Dell Precision 7875 Tower: руководство по обслуживанию

Dimensions and weight

The following table lists the height, width, depth, and weight of your Precision 7875 Tower.

Table 1. Dimensions and weight
The following table provides the detailed display specifications of Precision 7875 Tower.
Description		Values
Height		17.42 in. (442.70 mm) 17.58 in. (446.60 mm) with rubber foot protruding
Width		6.79 in. (172.60 mm) 6.94 in. (176.50 mm) with rubber foot protruding
Depth		18.30 in. (465.00 mm) 19.19 in. (487.50 mm) with lock structure protruding
Weight NOTE:The weight of your computer depends on the configuration that is ordered and manufacturing variability.		Minimum - 18.34 kg (40.39 lb) Maximum - 25.57 kg (56.34 lb)

Processor

The following table lists the details of the processors supported by your Precision 7875 Tower.

Table 1. Processor
The following table provides the various processor options that are supported for Precision 7875 Tower.
Description	Option one	Option two	Option three	Option four	Option five	Option six
Processor type	AMD Ryzen Threadripper Pro 9995WX	AMD Ryzen Threadripper Pro 9985WX	AMD Ryzen Threadripper Pro 9975WX	AMD Ryzen Threadripper Pro 9965WX	AMD Ryzen Threadripper Pro 9955WX	AMD Ryzen Threadripper Pro 9945WX
Processor wattage	350 W	350 W	350 W	350 W	350 W	350 W
Processor core count	96 cores	64 cores	32 cores	24 cores	16 cores	12 cores
Processor thread count	192	128	64	48	32	24
Processor speed	2.50 GHz to 5.40 GHz	3.20 GHz to 5.40 GHz	4.0 GHz to 5.40 GHz	4.20 GHz to 5.40 GHz	4.50 GHz to 5.40 GHz	4.70 GHz to 5.40 GHz
Processor cache	488 MB total cache	325 MB total cache	163 MB total cache	154 MB total cache	81 MB total cache	77 MB total cache

Table 2. Processor
The following table provides the various processor options that are supported for Precision 7875 Tower.
Description	Option seven	Option eight	Option nine	Option ten	Option eleven	Option twelve
Processor type	AMD Ryzen Threadripper Pro 7995WX	AMD Ryzen Threadripper Pro 7985WX	AMD Ryzen Threadripper Pro 7975WX	AMD Ryzen Threadripper Pro 7965WX	AMD Ryzen Threadripper Pro 7955WX	AMD Ryzen Threadripper Pro 7945WX
Processor wattage	350 W	350 W	350 W	350 W	350 W	350 W
Processor core count	96 cores	64 cores	32 cores	24 cores	16 cores	12 cores
Processor thread count	192	128	64	48	32	24
Processor speed	2.50 GHz to 5.10 GHz	3.20 GHz to 5.10 GHz	4.0 GHz to 5.30 GHz	4.20 GHz to 5.30 GHz	4.50 GHz to 5.30 GHz	4.70 GHz to 5.30 GHz
Processor cache	480 MB total cache	320 MB total cache	160 MB total cache	152 MB total cache	80 MB total cache	76 MB total cache

Chipset

The following table lists the details of the chipset supported by your Precision 7875 Tower.

Table 1. Chipset
The following table provides the chipset specifications for Precision 7875 Tower.
Description	Values
Chipset	AMD PROM21
Processor	PRO 695
DRAM bus width	64-bit
Flash EPROM	32 MB + 4 MB
PCIe bus	Up to Gen 5.0
Non-volatile memory	Yes
BIOS configuration Serial Peripheral Interface (SPI)	256 Mbit (32 MB) located at SPI_FLASH
Trusted Platform Module (TPM) 2.0 (Discrete TPM Enabled)	24 KB located at TPM 2.0 on chipset
Firmware-TPM (Discrete TPM disabled)	By default the Platform Trust Technology feature is visible to the operating system.
NIC EEPROM	LOM configuration contained within SPI flash ROM instead of LOM e-fuse

Operating system

Your Precision 7875 Tower supports the following operating systems:

Windows 10 22H2
Windows 11 SV1
Windows 11 SV2
Ubuntu 22.04 LTS, 64-bit
Ubuntu 24.04 LTS, 64-bit
Red Hat Enterprise Linux 9.6

Memory

The following table lists the memory specifications that are supported by your Precision 7875 Tower.

Table 1. Memory specificationsThe following table lists the memory specifications of your computer.
Description	Values
Memory slots	Eight DIMM slots
Memory type	DDR5 RDIMM
Memory speed	5200 MT/s, ECC (AMD Ryzen Threadripper Pro 7000 series) 5600 MT/s, ECC (AMD Ryzen Threadripper Pro 9000 series)
Maximum memory configuration	2 TB
Minimum memory configuration	16 GB
Memory size per slot	16 GB, 32 GB, 64 GB, 128 GB, 256 GB
Memory configurations supported	AMD Ryzen Threadripper Pro 7000 series: 16 GB: 1 x 16 GB, DDR5, 5200 MT/s, ECC 32 GB: 2 x 16 GB, DDR5, 5200 MT/s, ECC 64 GB: 4 x 16 GB, DDR5, 5200 MT/s, ECC 64 GB: 2 x 32 GB, DDR5, 5200 MT/s, ECC 128 GB: 8 x 16 GB, DDR5, 5200 MT/s, ECC 128 GB: 4 x 32 GB, DDR5, 5200 MT/s, ECC 256 GB: 8 x 32 GB, DDR5, 5200 MT/s, ECC 256 GB: 4 x 64 GB, DDR5, 5200 MT/s, ECC 512 GB: 8 x 64 GB, DDR5, 5200 MT/s, ECC 512 GB: 4 x 128 GB, DDR5, 5200 MT/s, ECC 768 GB: 6 x 128 GB, DDR5, 5200 MT/s, ECC 1024 GB: 8 x 128 GB, DDR5, 5200 MT/s, ECC 1024 GB: 4 x 256 GB, DDR5, 5200 MT/s, ECC 1536 GB: 6 x 256 GB, DDR5, 5200 MT/s, ECC 2048 GB: 8 x 256 GB, DDR5, 5200 MT/s, ECC AMD Ryzen Threadripper Pro 9000 series: 16 GB: 1 x 16 GB, DDR5, 5600 MT/s, ECC 32 GB: 2 x 16 GB, DDR5, 5600 MT/s, ECC 64 GB: 4 x 16 GB, DDR5, 5600 MT/s, ECC 64 GB: 2 x 32 GB, DDR5, 5600 MT/s, ECC 128 GB: 8 x 16 GB, DDR5, 5600 MT/s, ECC 128 GB: 4 x 32 GB, DDR5, 5600 MT/s, ECC 256 GB: 8 x 32 GB, DDR5, 5600 MT/s, ECC 256 GB: 4 x 64 GB, DDR5, 5600 MT/s, ECC 512 GB: 8 x 64 GB, DDR5, 5600 MT/s, ECC 512 GB: 4 x 128 GB, DDR5, 5600 MT/s, ECC 768 GB: 6 x 128 GB, DDR5, 5600 MT/s, ECC 1024 GB: 8 x 128 GB, DDR5, 5600 MT/s, ECC 1024 GB: 4 x 256 GB, DDR5, 5600 MT/s, ECC 1536 GB: 6 x 256 GB, DDR5, 5600 MT/s, ECC 2048 GB: 8 x 256 GB, DDR5, 5600 MT/s, ECC
NOTE:ACPI S3 is disabled by default in high-capacity memory configurations (2 TB in all speeds, 1.5 TB in 5600 MT/s v2) due to the risk of DIMM thermal protection activation under elevated ambient, extended S3 conditions.

Memory matrix

The following table lists the memory configurations supported on your Precision 7875 Tower.

Table 1. Memory matrixThe following table provides the detailed memory configurations that are supported for your Precision 7875 Tower.
NOTE: Ensure to install the DIMM slots as per the AMD memory population guide:

Channel 1: Installation with DIMM1.

Channel 2: Installation with DIMM1 and DIMM2.

Channel 4: Installation with DIMM1, DIMM2, DIMM3, and DIMM4.

Channel 6: Installation with DIMM1, DIMM2, DIMM3, DIMM4, DIMM5, and DIMM 6.

Channel 8: Installation with all DIMM slots.
Configuration	Slot
Memory	DIMM1	DIMM2	DIMM3	DIMM4	DIMM5	DIMM6	DIMM7	DIMM8
16 GB DDR5	16 GB	None	None	None	None	None	None	None
32 GB DDR5	16 GB	16 GB	None	None	None	None	None	None
64 GB DDR5	16 GB	16 GB	16 GB	16 GB	None	None	None	None
64 GB DDR5	32 GB	32 GB	None	None	None	None	None	None
128 GB DDR5	16 GB	16 GB	16 GB	16 GB	16 GB	16 GB	16 GB	16 GB
128 GB DDR5	32 GB	32 GB	32 GB	32 GB	None	None	None	None
256 GB DDR5	32 GB	32 GB	32 GB	32 GB	32 GB	32 GB	32 GB	32 GB
256 GB DDR5	64 GB	64 GB	64 GB	64 GB	None	None	None	None
512 GB DDR5	64 GB	64 GB	64 GB	64 GB	64 GB	64 GB	64 GB	64 GB
512 GB DDR5	128 GB	128 GB	128 GB	128 GB	None	None	None	None
768 GB DDR5	128 GB	128 GB	128 GB	128 GB	128 GB	128 GB	None	None
1024 GB DDR5	128 GB	128 GB	128 GB	128 GB	128 GB	128 GB	128 GB	128 GB
1024 GB DDR5	256 GB	256 GB	256 GB	256 GB	None	None	None	None
1536 GB DDR5	256 GB	256 GB	256 GB	256 GB	256 GB	256 GB	None	None
2048 GB DDR5	256 GB	256 GB	256 GB	256 GB	256 GB	256 GB	256 GB	256 GB

External ports and slots

The following table lists the external ports and slots on your Precision 7875 Tower.

Table 1. External ports and slots
The following table lists ports and connectors available on Precision 7875 Tower.
Description	Values
Network port	One RJ45 Ethernet port, 1 G (rear) One RJ45 Ethernet port, 10 G (rear)
USB ports	Front: Two USB 3.2 Gen 1 ports One USB 3.2 Gen 2 Type-C port with PowerShare One USB 3.2 Gen 2 Type-C port Rear: Three USB 3.2 Gen 2 Type-C ports Two USB 3.2 Gen 1 ports One USB 3.2 Gen 1 port with Smart Power On NOTE: All USB Type-C ports do not support the display mode in Precision 7875 Tower.
Audio port	One headset (headphone and microphone combo) port (front) One line-out audio port (rear)
Video port(s)	Using Discrete GPU
Media-card reader	One SD-card 6.0 slot (front)
Power-adapter port	Not supported
Security-cable slot	N/A

Internal slots

The following table lists the internal slots of your Precision 7875 Tower.

Table 1. Internal slotsThe following table lists the internal slots on your Precision 7875 Tower.
Description	Values
Expansion slots	One full-height Gen5 PCIe x16 slot One full-height Gen4 PCIe x16 slot Two full-height Gen4 PCIe x8 slots, open-ended One full-height Gen5 PCIe x8 slot, open-ended One full-height Gen4 PCIe x8 slot (x4 electrical), open-ended
SATA/SAS	Two SATA 3.0 slots for 3.5-inch/2.5-inch hard drives Two SATA 3.0 slots for externally facing storage flex bays One SATA 3.0 slot for optical drive
M.2	Two M.2 2230/2280 slots for PCIe NVMe Gen4 solid state drives Two M.2 2230/2280 slots for externally facing PCIe NVMe Gen4 storage flex bays NOTE:To learn more about the features of different types of M.2 cards, search in the Knowledge Base Resource at Dell Support Site.

Ethernet

The following table lists the wired ethernet Local Area Network (LAN) specifications of your Precision 7875 Tower.

Table 1. Ethernet specifications
The following table provides the specifications of Ethernet that is supported by your Precision 7875 Tower.
Description	Values
Model	Realtek RTL8111-EPP Marvell AQC113-B1-C
Transfer rate	Realtek RTL8111-EPP, 1G Marvell AQC113-B1-C, 10G

Wireless module

The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Precision 7875 Tower.

Table 1. Wireless module specifications
The following table provides the wireless module specifications of Precision 7875 Tower.
Description	Values
Model number	Qualcomm WCN6856-DBS
Transfer rate	3571 Mbps
Frequency bands supported	2.4 GHz/5 GHz/6 GHz NOTE:The 6 GHz frequency is supported on computers installed with Windows 11 operating system only.
Wireless standards	Wi-Fi 802.11a/b/g Wi-Fi 4 (Wi-Fi 802.11n) Wi-Fi 5 (Wi-Fi 802.11ac) Wi-Fi 6E (Wi-Fi 802.11ax)
Encryption	64-bit and 128-bit WEP AES-CCMP TKIP
Bluetooth wireless card NOTE:The functionality of the Bluetooth wireless card may vary based on the operating system.	5.3 wireless card

Audio

The following table lists the audio specifications of your Precision 7875 Tower.

Table 1. Audio specifications
The following table provides the detailed audio specifications of Precision 7875 Tower.
Description	Values
Audio type	Realtek Audio Controller ALC3246
Audio controller	24-bit Digital-to-Analog (DAC) and Analog-to-Digital (ADC)
Internal audio interface	HDA
External audio interface	One Universal audio port (front) One line-out audio port (rear)

Storage

This section lists the storage options on your Precision 7875 Tower.

Your Precision 7875 Tower supports one of the following storage configurations: Internal:

Two 2.5-inch hard drives/two 3.5-inch hard drives
Two M.2 solid state drives

Externally facing storage flexbays:

Two 2.5-inch hard drives/two 3.5-inch hard drives
Two M.2 solid state drives

Table 1. Storage specifications
The following table provides the different storage options available on Precision 7875 Tower.
Storage type	Interface type	Capacity
3.5-inch, 7200 RPM, HDD	SATA 3.0, up to 6 Gbps	Up to 12 TB
M.2 2280 solid state drive	PCIe Gen4 NVMe	Up to 2 TB
M.2 2280 solid state drive, SED Ready	PCIe Gen4 x4 NVMe	Up to 4 TB
M.2 2230 solid state drive, SED Ready	PCIe Gen4 x4 NVMe	256 GB
8x DVD-ROM, slimline	SATA 1, up to 1.5 Gbps	N/A
8x DVD±RW, slimline	SATA 1, up to 1.5 Gbps	N/A

Storage Matrix

Redundant Array of Independent Disks (RAID)

For optimal performance when configuring drives as a RAID volume, Dell Technologies recommends drive models that are identical.

RAID 0 (Striped, Performance) volumes benefit from higher performance when drives are matched because the data is split across multiple drives: any IO operations with block sizes larger than the stripe size will split the I/O and become constrained by the slowest of the drives. For RAID 0 I/O operations where block sizes are smaller than the stripe size, whichever drive the I/O operation targets will determine the performance, which increases variability and results in inconsistent latencies. This variability is particularly pronounced for write operations and it can be problematic for applications that are latency sensitive. One such example of this is any application that performs thousands of random writes per second in very small block sizes.

RAID 1 (Mirrored, Data Protection) volumes benefit from higher performance when drives are matched because the data is mirrored across multiple drives: all I/O operations must be performed identically to both drives, thus variations in drive performance when the models are different, results in the I/O operations completing only as fast as the slowest drive. While this does not suffer the variable latency issue in small random I/O operations as with RAID 0 across heterogeneous drives, the impact is nonetheless large because the higher performing drive becomes limited in all I/O types. One of the worst examples of constrained performance here is when using unbuffered I/O. To ensure writes are fully committed to nonvolatile regions of the RAID volume, unbuffered I/O bypasses cache (for example by using the Force Unit Access bit in the NVMe protocol) and the I/O operation will not complete until all the drives in the RAID volume have completed the request to commit the data. This kind of I/O operation completely negates any advantage of a higher performing drive in the volume.

RAID 5 provides better performance by using data striping and protection through parity. The disadvantage of RAID 5 is that rebuilding a large RAID 5 volume requires a longer period of time. The following are the key features of RAID 5:

Requires at least three drives.
Data is available even if one of the drives present in the volume fails. The failed drive must be replaced, and the volume must be rebuilt for the data to be accessible.
The total capacity is N-1, where N is the total capacity of the drives in the array. For example, if you use three 1 TB drives in a RAID 5 array, the total volume size is 2 TB.

RAID 10 is a stripe of mirrors that combines the features of RAID 0 and RAID 1. As the blocks are striped and mirrored, the performance and redundancy are higher. The disadvantage of RAID 10 is that it is more expensive than other RAID levels, with a higher number of drives required. The following are the key features of RAID 10:

Requires a minimum of four drives. Only an even number of drives can be used, and an odd number of drives are not possible.
The total volume capacity is half the sum of individual drive capacity. For example, when you use four drives of 1 TB, you get a RAID 10 volume of 2 TB.

Care must be taken to match not only the drive vendor, capacity, and class, but also the specific model. Drives from the same vendor, with the same capacity, and even within the same class, can have very different performance characteristics for certain types of I/O operations. Thus, matching by model ensures that the RAID volume is comprised of a homogeneous array of drives that will deliver all the benefits of a RAID volume without incurring the additional penalties when one or more drives in the volume are lower performing.

Precision 7875 Tower supports RAID with more than one hard drive configuration.

Media-card reader

The following table provides the specification of media cards that are supported by your Precision 7875 Tower.

Table 1. Media-card reader specificationsThe following table provides the specification of media cards that are supported by your Precision 7875 Tower.
Description	Values
Media-card slot type	One SD-card 6.0 slot
Media-cards supported	Secure Digital (SD) Secure Digital High Capacity (SDHC) Secure Digital Extended Capacity (SDXC)
NOTE:The maximum capacity of the media-card reader varies depending on the standard of the media card that is inserted in your computer.

Power ratings

The following table lists the power rating specifications of Precision 7875 Tower.

Table 1. Power ratings
The following table provides the power rating specifications of Precision 7875 Tower.
Description	Option one	Option two
Type	1350 W Platinum internal power supply (C20 inlet)	1000 W Platinum internal power supply (C14 inlet)
Input voltage	90 VAC–264 VAC	90 VAC–264 VAC
Input frequency	47 Hz–63 Hz	47 Hz–63 Hz
Input current (maximum)	16 A	13.60 A
Output current (continuous)	Operating: 12 VA/42 A 12 VB/36 A 12 VC/72 A Standby mode: 12 VA/1.5 A 12 VB/5 A	Operating: 12 VA/36 A 12 VB/27 A 12 VC/36 A Standby mode: 12 VA/1.5 A 12 VB/5 A
Rated output voltage	+12 VA +12 VB +12 VC	+12 VA +12 VB +12 VC
Temperature range
Operating	5°C (41°F) to 45°C (113°F)	5°C (41°F) to 45°C (113°F)
Storage	-40°C to 70°C (-40°F to 158°F)	-40°C to 70°C (-40°F to 158°F)

Power supply connector

The following table lists the Power supply connector specifications of your Precision 7875 Tower.

Table 1. Power supply connector The following table lists the Power supply connector specifications of your Precision 7875 Tower.
Description	Values
1350 W (Platinum)	C20 inlet Three 4-pin connectors for the processor One 12-pin connector for the system board Four 8-pin (6 + 2) auxiliary connectors for expansion cards
1000 W (Platinum)	C14 inlet Two 4-pin connectors for the processor One 10-pin connector for the system board Two 8‑pin (6+2) and two 6-pin auxiliary power connectors for expansion cards. NOTE: Select only one of the GFX1 or GFX2 connectors for use. Select only one of the GFX3 or GFX4 connectors for use.

GPU—Discrete

The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Precision 7875 Tower.

Table 1. GPU—Discrete
The following table provides the detailed discrete graphics specifications of Precision 7875 Tower.
Controller	Memory size	Memory type
A400	4 GB	GDDR6
A1000	8 GB	GDDR6
NVIDIA A800	40 GB	HBM2
NVIDIA RTX 2000 Ada	16 GB	GDDR6 with ECC
NVIDIA RTX 4000 Ada	20 GB	GDDR6 with ECC
NVIDIA RTX 4500 Ada	24 GB	GDDR6 with ECC
NVIDIA RTX 5000 Ada	32 GB	GDDR6 with ECC
NVIDIA RTX 6000 Ada Generation	48 GB	GDDR6 with ECC
NVIDIA RTX Pro 2000 Blackwell	16 GB	GDDR7 with ECC
NVIDIA RTX Pro 4000 Blackwell	24 GB	GDDR7 with ECC
NVIDIA RTX Pro 4500 Blackwell	32 GB	GDDR7 with ECC
NVIDIA RTX Pro 5000 Blackwell	48 GB	GDDR7 with ECC
NVIDIA RTX Pro 6000 Blackwell Max-Q	96 GB	GDDR7 with ECC
NVIDIA RTX A6000	48 GB	GDDR6 with ECC
NVIDIA RTX A4000	16 GB	GDDR6 with ECC
NVIDIA RTX A2000	12 GB	GDDR6 with ECC
NVIDIA T1000	8 GB	GDDR6
NVIDIA T400	4 GB	GDDR6
NVIDIA GeForce RTX 4090	24 GB	GDDR6X
NVIDIA GeForce RTX 5080	16 GB	GDDR7
AMD Radeon Pro W6300	2 GB	GDDR6
AMD Radeon Pro W6400	4 GB	GDDR6
AMD Radeon Pro W7400	8 GB	GDDR6
AMD Radeon Pro W7500	8 GB	GDDR6
AMD Radeon Pro W7600	8 GB	GDDR6
AMD Radeon Pro W7700	16 GB	GDDR6 with ECC
AMD Radeon Pro W7900	48 GB	GDDR6 with ECC

Video port resolution

The following table lists the video port resolution for your Precision 7875 Tower.

Table 1. Video port resolutionThe following table provides the video port resolution for your Precision 7875 Tower.
Graphics card	Video ports	Maximum supported resolution
A400	Four mini-DisplayPort 1.4a	7680 x 4320 @ 24 bpp at 120 Hz. NOTE:Requires two DisplayPort 1.4a ports and DSC.
A1000	Four mini-DisplayPort 1.4a
NVIDIA A800 NOTE: The NVIDIA A800 40GB does not come equipped with display ports, so it has no video outputs.	N/A	N/A
NVIDIA RTX 2000 Ada	Four DisplayPort 1.4a	7680 x 4320 @ 24 bpp at 120 Hz. NOTE:Requires two DisplayPort 1.4a ports and DSC.
NVIDIA RTX 4000 Ada	Four DisplayPort 1.4a
NVIDIA RTX 4500 Ada	Four DisplayPort 1.4a
NVIDIA RTX 5000 Ada	Four DisplayPort 1.4a
NVIDIA RTX 6000 Ada Generation	Four DisplayPort ports
NVIDIA RTX Pro 2000 Blackwell	Four mini-DisplayPort 2.1b	7680 x4320 @ 24 bpp at 165 Hz. NOTE:Requires DisplayPort 2.1b with UHBR20 and DSC.
NVIDIA RTX Pro 4000 Blackwell	Four DisplayPort 2.1b ports
NVIDIA RTX Pro 4500 Blackwell	Four DisplayPort 2.1b ports
NVIDIA RTX Pro 5000 Blackwell	Four DisplayPort 2.1b ports
NVIDIA RTX Pro 6000 Blackwell Max-Q	Four DisplayPort 2.1b ports
NVIDIA RTX A6000	Four DisplayPort 1.4a ports	7680 x 4320 @ 24 bpp at 120 Hz. NOTE:Requires two DisplayPort 1.4a ports and DSC.
NVIDIA RTX A4000	Four DisplayPort 1.4a ports
NVIDIA RTX A2000	Four mini-DisplayPort 1.4a ports
NVIDIA T1000	Four mini-DisplayPort 1.4a ports
NVIDIA T400	Three mini-DisplayPort 1.4a ports
NVIDIA GeForce RTX 4090	Three DisplayPort 1.4 ports One HDMI 2.1 port	7680 x 4320 @ 60 Hz. NOTE:Requires two DP links with no compression or a single DP link with DSC compression.
NVIDIA GeForce RTX 5080	Three DisplayPort ports 2.1b 1 x HDMI 2.1b port	7680 x 4320 @ 60 Hz.
AMD Radeon Pro W6300	Two DisplayPort 1.4 ports	7680 x 4320 @ 60 Hz.
AMD Radeon Pro W6400	Two DisplayPort 1.4 ports	7680 x 4320 @ 60 Hz.
AMD Radeon Pro W7400	Four mini-DisplayPort 1.4	7680 x 4320 @ 24 bpp at 120 Hz. NOTE:Requires two DisplayPort 1.4a ports and DSC.
AMD Radeon Pro W7500	Two DisplayPort 1.4 ports	7680 x 4320 @ 60 Hz.
AMD Radeon Pro W7600	Two DisplayPort 1.4 ports	7680 x 4320 @ 60 Hz.
AMD Radeon Pro W7700	Four DisplayPort 2.1 ports	7680 x 4320 @ 24 bpp at 120 Hz. NOTE:Requires two DisplayPort 1.4a ports and DSC.
AMD Radeon Pro W7900	Three DisplayPort 2.1 ports One mini-DisplayPort port

Hardware security

The following table lists the hardware security of your Precision 7875 Tower.

Table 1. Hardware security The following table provides the hardware security details on your Precision 7875 Tower.
Hardware security
TPM 2.0 Discrete Hardware
TPM localization
TPM OS dependency
Factory Test Image with third-party solutions. (McAffe/Symantec)

Environmental

The following table lists the environmental specifications of your Precision 7875 Tower.

Table 1. Environmental The following table lists the environmental specifications of your Precision 7875 Tower.
Feature	Values
Recyclable packaging	Yes
BFR/PVC—free chassis	No
Vertical orientation packaging support	Yes
Multi-Pack packaging	No
Energy-Efficient Power Supply	Standard
ENV0424 compliant	Yes

NOTE: Wood‐based fiber packaging contains a minimum of 35% recycled content by total weight of wood‐based fiber. Packaging that contains without wood‐based fiber can be claimed as Not Applicable. The anticipated required criteria for EPEAT 2018.

Regulatory compliance

The following table lists the regulatory compliance of your Precision 7875 Tower.

Table 1. Regulatory complianceThe following table lists the regulatory compliance of your Precision 7875 Tower.
Regulatory compliance
EPEAT registered configurations are available
ENERGY STAR-compliant configurations available
TCO 9.0 certified configurations available
US CEC MEPS-compliant configurations available
WEEE
Japan Energy Law
EU RoHS
China RoHS

Operating and storage environment

This table lists the operating and storage specifications of your Precision 7875 Tower.

Airborne contaminant level: G1 as defined by ISA-S71.04-1985

Table 1. Computer environment
The following table lists the operating and storage environment conditions of Precision 7875 Tower.
Description	Operating	Storage
Temperature range	10°C to 35°C (50°F to 95°F)	-40°C to 65°C (-40°F to 149°F)
Relative humidity (maximum)	20% to 80% (non-condensing, Max dew point temperature = 26°C)	5% to 95% (non-condensing, Max dew point temperature = 33°C)
Vibration (maximum)^*	0.52 GRMS random at 5 Hz to 350 Hz	2.00 GRMS random at 5 Hz to 350 Hz
Shock (maximum)	Bottom half-sine pulse with a change in velocity of 40G, 2.5ms G†	105G half-sine pulse with a change in velocity of 105G, 2.5 ms G†
Altitude range	-15.2 m to 3048 m (-49.87 ft to 10000 ft)	-15.2 m to 10668 m (-49.87 ft to 35000 ft)
CAUTION:Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.

^{* Measured using a random vibration spectrum that simulates the user environment.}

^{† Measured using a 2 ms half-sine pulse.}

Dell support policy

For information about Dell support policy, search Dell Support Site.

Dell Optimizer

This section details the Dell Optimizer specifications of your Precision 7875 Tower.

Dell Optimizer is a software application that intelligently optimizes the performance of your system by using artificial intelligence and machine learning. Dell Optimizer dynamically configures your system settings to optimize the performance of your applications. It improves the productivity, performance, and user experience through system usage analysis and learning.

On Precision 7875 Tower with Dell Optimizer, the following features are supported:

Improves user experience through computer usage analysis and learning
Faster application launch and seamless application transition
Intelligent battery run-time extension
Optimized Audio for best meeting experience
Locks computer when walks away for enhanced security
Intelligently shows alerts
Updates automatically to minimize disruption

For more information about configuring and using these features, search for the Dell Optimizer User Guide at Dell Support Site.

Dell low blue light display

WARNING:Prolonged exposure to blue light from the display may lead to long-term effects such as eye strain, eye fatigue, or damage to the eyes.

Blue light is a color in the light spectrum which has a short wavelength and high energy. Chronic exposure to blue light, particularly from digital sources, may disrupt sleep patterns and cause long-term effects such as eye strain, eye fatigue, or damage to the eyes.

The display on this computer is designed to minimize blue light and complies with TÜV Rheinland's requirement for low blue light displays.

Low blue light mode is enabled at the factory, so no further configuration is necessary.

To reduce the risk of eye strain, it is also recommended that you:

Position the display at a comfortable viewing distance between 20 and 28 inches (50 and 70 cm) from your eyes.
Blink frequently to moisten your eyes, wet your eyes with water, or apply suitable eye drops.
Look away from your display, and gaze at a distant object at 20 ft (609.60 cm) away for at least 20 seconds during each break.
Take an extended break for 20 minutes every two hours.