Dell Pro Tower Plus QBT1250: руководство по обслуживанию

Dimensions and weight

The following table lists the height, width, depth, and weight of your Dell Pro Tower Plus QBT1250.

Table 1. Dimensions and weight
The following table provides the detailed display specifications of Dell Pro Tower Plus QBT1250.
Description		Values
Height		324.30 mm (12.77 in.)
Width		154 mm (6.06 in.)
Depth		293 mm (11.54 in.)
Weight NOTE:The weight of your computer depends on the configuration that is ordered and manufacturing variability.		Minimum: 4.55 kg (10.03 lb) Maximum: 7.17 kg (15.81 lb)

Processor

The following table lists the details of the processors that are supported by your Dell Pro Tower Plus QBT1250.

Table 1. Processor
The following table provides the various processor options that are supported for Dell Pro Tower Plus QBT1250.
Description	Option one	Option two	Option three	Option four	Option five
Processor type	Intel Core Ultra 5 225	Intel Core Ultra 5 235	Intel Core Ultra 5 245	Intel Core Ultra 7 265	Intel Core Ultra 9 285
Processor wattage	65 W	65 W	65 W	65 W	65 W
Processor total core count	10	14	14	20	24
Performance-cores	6	6	6	8	8
Efficient-cores	4	8	8	12	16
Processor total thread count NOTE:Intel Hyper-Threading Technology is only available on Performance-cores.	10	14	14	20	24
Processor speed	Up to 4.90 GHz	Up to 5 GHz	Up to 5.10 GHz	Up to 5.30 GHz	Up to 5.60 GHz
Performance-cores frequency
Processor base frequency	3.30 GHz	3.40 GHz	3.50 GHz	2.40 GHz	2.50 GHz
Maximum turbo frequency	4.90 GHz	5 GHz	5.10 GHz	5.30 GHz	5.60 GHz
Efficient-cores frequency
Processor base frequency	2.70 GHz	2.90 GHz	3 GHz	1.80 GHz	1.90 GHz
Maximum turbo frequency	4.40 GHz	4.40 GHz	4.50 GHz	4.60 GHz	4.60 GHz
Processor cache	20 MB	24 MB	24 MB	30 MB	36 MB
Integrated graphics	Intel Graphics	Intel Graphics	Intel Graphics	Intel Graphics	Intel Graphics

Chipset

The following table lists the details of the chipset that is supported by your Dell Pro Tower Plus QBT1250.

Table 1. Chipset The following table lists the details of the chipset that is supported by your Dell Pro Tower Plus QBT1250.
Description	Values
Chipset	Intel Q870
Processor	Intel Core Ultra 5/7/9
DRAM bus width	64-bit/128-bit
Flash EPROM	32 MB RPMC + 32 MB nRPMC
PCIe bus	Up to Gen4

Operating system

Your Dell Pro Tower Plus QBT1250 supports the following operating systems:

Windows 11 Home
Windows 11 Pro
Windows 11 Pro National Education
Ubuntu Linux 24.04 LTS

Memory

The following table lists the memory specifications that are supported by your Dell Pro Tower Plus QBT1250.

Table 1. Memory specificationsThe following table lists the memory specifications of your computer.
Description	Values
Memory slots	Four UDIMM slots
Memory type	DDR5
Memory speed	Up to 4400 MT/s Up to 4800 MT/s Up to 5600 MT/s
Maximum memory configuration	128 GB
Minimum memory configuration	8 GB
Memory size per slot	8 GB, 16 GB, or 32 GB
Memory configurations supported	8 GB: 1 x 8 GB, single-channel DDR5, up to 5600 MT/s 16 GB: 1 x 16 GB, single-channel DDR5, up to 5600 MT/s 16 GB: 2 x 8 GB, dual-channel DDR5, up to 5600 MT/s 32 GB: 1 x 32 GB, single-channel DDR5, up to 5600 MT/s 32 GB: 2 x 16 GB, dual-Channel DDR5, up to 5600 MT/s 32 GB: 4 x 8 GB, dual-Channel DDR5, up to 4800 MT/s 64 GB: 2 x 32 GB, dual-Channel DDR5, up to 5600 MT/s 64 GB: 4 x 16 GB, dual-Channel DDR5, up to 4800 MT/s 128 GB: 4 x 32 GB, dual-Channel DDR5, up to 4400 MT/s

External ports and slots

The following table lists the external ports and slots of your Dell Pro Tower Plus QBT1250.

Table 1. External ports and slots
The following table lists ports and connectors available on Dell Pro Tower Plus QBT1250.
Description	Values
Network port	One RJ45 ethernet port (1 Gbps)
USB ports	One USB 2.0 (480 Mbps) with PowerShare port One USB 2.0 (480 Mbps) port One USB 3.2 Gen 2x2 (20 Gbps) Type-C port One USB 3.2 Gen 2 (10 Gbps) port Three USB 3.2 Gen 1 (5 Gbps) ports Two USB 2.0 (480 Mbps) with SmartPower On ports One USB 3.2 Gen 2 (10 Gbps) Type-C port
Audio port	One global headset jack
Video port(s)	Three DisplayPort 1.4a (HBR3) ports
Media-card reader	One SD-card 4.0 slot (optional)
Power port	One power-cable connector
Peripheral port	One legacy serial port (optional)
Security-cable slot	One padlock ring One security cable slot (for a Kensington lock)

External Port (optional module slot)

The following table lists the external ports that are supported on the optional module slot for Dell Pro Tower Plus QBT1250.

NOTE:The ports that are listed in this table are mutually exclusive. Your Dell Pro Tower Plus QBT1250 can only support one of the listed options.

Table 1. External ports (optional module)The following table lists the external ports that are supported on the optional module on your Dell Pro Tower Plus QBT1250.
Description	Values
Network port	One RJ45 ethernet port (5 Gbps) One fiber optic port (5 Gbps, peer-to-peer)
USB ports	Two USB 3.2 Gen 2 (10 Gbps) ports One USB 3.2 Gen 2 (10 Gbps) Type-C with DisplayPort Alt Mode port One Thunderbolt 4 port + One USB 3.2 Gen 2 (10 Gbps) Type-C port
Video ports	One HDMI 2.1 (FRL) port One VGA port One DisplayPort 2.1 (UHBR20) port

Internal slots

The following table lists the internal slots on your Dell Pro Tower Plus QBT1250.

Table 1. Internal slotsThe following table lists the internal slots on your Dell Pro Tower Plus QBT1250.
Description	Values
M.2	One M.2 2230 slot for WiFi and Bluetooth combo card One M.2 2230 slot solid-state drive Two M.2 2230/2280 slots for solid-state drive NOTE:To learn more about the features of different types of M.2 cards, search in the Knowledge Base Resource at Dell Support Site.
SATA	One SATA 3.0 slot for 3.5-inch hard drive One SATA 3.0 slot for slimline optical drive
PCIe	One full-height PCIe x16 slot One full-height PCIe x1 slot One full-height PCIe x4 open-end slot One full-height PCIe x4 slot (wired as x2, for optional expansion board)

Ethernet

The following table lists the wired ethernet Local Area Network (LAN) specifications of your Dell Pro Tower Plus QBT1250.

Table 1. Ethernet specifications
The following table provides the specifications of Ethernet that is supported by your Dell Pro Tower Plus QBT1250.
Description	Values
Model	Intel i219-LM
Transfer rate	10/100/1000 Mbps

Wireless module

The following table lists the Wireless Local Area Network (WLAN) module specifications of your Dell Pro Tower Plus QBT1250.

Table 1. Wireless module specifications
The following table provides the wireless module specifications of Dell Pro Tower Plus QBT1250.
Description	Option one	Option two	Option three
Model number	Intel Wi-Fi 6E AX211	Intel Wi-Fi 7 BE200	MediaTek Wi-Fi 6 MT7920
Transfer rate	Up to 2400 Mbps	Up to 5760 Mbps	Up to 1200 Mbps
Frequency bands supported	2.4 GHz/5 GHz/6 GHz	2.4 GHz/5 GHz/6 GHz	2.4 GHz/5 GHz
Wireless standards	WiFi 802.11a/b/g Wi-Fi 4 (WiFi 802.11n) Wi-Fi 5 (WiFi 802.11ac) Wi-Fi 6E (WiFi 802.11ax)	WiFi 802.11a/b/g Wi-Fi 4 (WiFi 802.11n) Wi-Fi 5 (WiFi 802.11ac) Wi-Fi 6 (WiFi 802.11ax) Wi-Fi 7 (WiFi 802.11be)	WiFi 802.11a/b/g Wi-Fi 4 (WiFi 802.11n) Wi-Fi 5 (WiFi 802.11ac) Wi-Fi 6 (WiFi 802.11ax)
Encryption	64-bit/128-bit WEP AES-CCMP TKIP	64-bit/128-bit WEP AES-CCMP TKIP	64-bit/128-bit WEP AES-CCMP TKIP
Bluetooth wireless card NOTE:The functionality of the Bluetooth wireless card may vary based on the operating system.	Bluetooth 5.3	Bluetooth 5.4	Bluetooth 5.4

Audio

The following table lists the audio specifications of your Dell Pro Tower Plus QBT1250.

Table 1. Audio specifications
The following table provides the detailed audio specifications of Dell Pro Tower Plus QBT1250.
Description	Values
Audio type	High Definition Audio
Audio controller	Realtek ALC3204
Internal audio interface	High Definition Audio (HDA) interface
External audio interface	One global headset jack

Storage

This section lists the storage options on your Dell Pro Tower Plus QBT1250.

Your Dell Pro Tower Plus QBT1250 supports a combination of the following storage configurations:

One 3.5-inch hard drive
Up to three M.2 2230 solid-state drives
Up to two M.2 2280 solid-state drives

The primary drive of your Dell Pro Tower Plus QBT1250 is the M.2 solid-state drive.

Table 1. Storage specifications
The following table provides the different storage options available on Dell Pro Tower Plus QBT1250.
Storage type	Interface type	Capacity
3.5-inch hard drive	SATA AHCI, up to 6 Gbps	Up to 4 TB
M.2 2230 QLC solid-state drive	PCIe Gen4x4 NVMe, up to 64 GT/s	Up to 512 GB
M.2 2230 TLC solid-state drive	PCIe Gen4x4 NVMe, up to 64 GT/s	Up to 1 TB
M.2 2280 self-encrypting Opal 2.0 solid-state drive	PCIe Gen4x4 NVMe, up to 64 GT/s	Up to 2 TB
9.5 mm 8x slimline DVD-RW drive	SATA AHCI, up to 1.5 Gbps	One slimline DVD-RW

Media-card reader

The following table provides the specification of media cards that are supported by your Dell Pro Tower Plus QBT1250.

Table 1. Media-card reader specificationsThe following table provides the specification of media cards that are supported by your Dell Pro Tower Plus QBT1250.
Description	Values
Media-card slot type	One SD-card 4.0 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 Dell Pro Tower Plus QBT1250.

Table 1. Power ratings
The following table provides the power rating specifications of Dell Pro Tower Plus QBT1250.
Description	Option one	Option two
Type	260 W, Bronze	360 W, Platinum
Input voltage	90 VAC–264 VAC	90 VAC–264 VAC
Input frequency	47 Hz–63 Hz	47 Hz–63 Hz
Input current (maximum)	4.20 A	5 A
Output current (continuous)	Operating: 12 VA: 18 A 12 VB: 16 A Storage: 12 VA: 1.50 A 12 VB: 3.30 A	Operating: 12 VA: 18 A 12 VB: 18 A 12 VC: 13 A Storage: 12 VA: 1.50 A 12 VB: 3.30 A 12 VC: 0 A
Rated output voltage	12 VA 12 VB	12 VA 12 VB 12 VC
Temperature range:
Operating	5°C to 45°C (41°F to 113°F)	5°C to 45°C (41°F to 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 Dell Pro Tower Plus QBT1250.

Table 1. Power supply connector The following table lists the Power supply connector specifications of your Dell Pro Tower Plus QBT1250.
Power supply	Connectors
260 W internal power supply unit (PSU), 80 Plus Bronze	Two 4-pin connectors for processor One 8-pin connector for system board
360 W internal power supply unit (PSU), 80 Plus Platinum	Two 4-pin connectors for processor One 8-pin connector for system board One 8-pin connector for graphics card NOTE:An 8-pin power cable is only included on configurations with a discrete graphics card that requires it.

GPU—Integrated

The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Dell Pro Tower Plus QBT1250.

Table 1. GPU—Integrated
The following table provides the detailed integrated graphics specifications of Dell Pro Tower Plus QBT1250.
Controller	Memory size	Processor
Intel Graphics	Shared system memory	Intel Core Ultra 5/7/9

Video port and resolution matrix

The following table lists the Video port and resolution matrix of your Dell Pro Tower Plus QBT1250.

NOTE:DisplayPort Multi-Stream Technology is a feature that allows you to connect up to four displays to a single DisplayPort port on your device using a daisy chain. This enables you to use multiple displays simultaneously, increasing your productivity and workspace efficiency.

Table 1. Video port and resolution matrixThe following table lists the video port and resolution matrix of your Dell Pro Tower Plus QBT1250.
Port type	DisplayPort 1.4a (HBR3)	DisplayPort 2.1 (UHBR20)	VGA	HDMI 2.1 (FRL)
Maximum resolution—single display	5120 x 3200 at 60 Hz	7680 x 4320 at 60 Hz	1920 x 1200 at 60 Hz	5120 x 3200 at 60 Hz
Maximum resolution—dual MST	3840 x 2160 at 60 Hz	5120 x 3200 at 60 Hz	Not applicable	Not applicable
Maximum resolution—triple MST	2560 x 1600 at 60 Hz	4096 x 2304 at 60 Hz	Not applicable	Not applicable
Maximum resolution—quadruple MST	2560 x 1440 at 60 Hz	4096 x 2304 at 60 Hz	Not applicable	Not applicable

GPU—Discrete

The following table lists the specifications of the discrete Graphics Processing Unit (GPU) supported by your Dell Pro Tower Plus QBT1250.

Table 1. GPU—Discrete
The following table provides the detailed discrete graphics specifications of Dell Pro Tower Plus QBT1250.
Controller	Memory size	Memory type
NVIDIA GeForce RTX 4060	8 GB	GDDR6
NVIDIA GeForce RTX 5060	8 GB	GDDR7
AMD Radeon RX 6300	2 GB	GDDR6
AMD Radeon RX 7400	8 GB	GDDR6
NVIDIA RTX A400	4 GB	GDDR6

Hardware security

The following table lists the hardware security of your Dell Pro Tower Plus QBT1250.

Table 1. Hardware security The following table provides the hardware security details on your Dell Pro Tower Plus QBT1250.
Hardware security
Chassis intrusion switch
Chassis lock slot support
China fTPM
Intel Authenticate
Intel Secure Boot
Security-cable slot (Kensington lock)
Local hard drive data wipe through BIOS (Secure Erase)
Lockable cable covers
Microsoft 10 Device Guard and Credential Guard (Enterprise SKU)
Microsoft Windows BitLocker
Padlock ring
SafeBIOS: includes Dell Off-host BIOS Verification, BIOS Resilience, BIOS Recovery, and additional BIOS Controls
SafeID including Trusted Platform Module (TPM) 2.0
Self-encrypting storage drives (Opal, FIPS)
Smart card keyboard (FIPS)
Supply chain tamper alerts
Trusted Platform Module TPM 2.0

Environmental

The following table lists the environmental specifications of your Dell Pro Tower Plus QBT1250.

Table 1. Environmental The following table lists the environmental specifications of your Dell Pro Tower Plus QBT1250.
Feature	Values
Recyclable packaging	Yes
BFR/PVC—free chassis	Yes
Vertical orientation packaging support	Yes
Multi-Pack packaging	No
Energy-Efficient Power Supply	Yes
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 Dell Pro Tower Plus QBT1250.

Table 1. Regulatory complianceThe following table lists the regulatory compliance of your Dell Pro Tower Plus QBT1250.
Regulatory compliance
Product Safety, EMC and Environmental Datasheets
Dell Regulatory Compliance Home page
Responsible Business Alliance policy

Operating and storage environment

This table lists the operating and storage specifications of your Dell Pro Tower Plus QBT1250.

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 Dell Pro Tower Plus QBT1250.
Description	Operating	Storage
Temperature range	Dell Pro Tower Plus: 10°C to 35°C (50°F to 95°F) Dell Pro Tower Plus XE5: 5°C to 45°C (41°F to 113°F)	-40°C to 65°C (-40°F to 149°F)
Relative humidity (maximum)	20% to 80% (non-condensing)	5% to 95% (non-condensing)
Vibration (maximum)^*	0.26 GRMS	1.37 GRMS
Shock (maximum)	40 G†	105 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.}