Dell Precision 7820 Tower: руководство по обслуживанию

System specifications

Feature

Specification

Processor type

Intel Xeon Platinum 81xx processors
Intel Xeon Gold 51xx processors
Intel Xeon Gold 61xx processors
Intel Xeon Silver 41xx processors
Intel Xeon Gold 52xx processors
Intel Xeon Silver 42xx processors
Intel Xeon Bronze 32xx processors
Intel Xeon Platinum 82xx processors
Intel Xeon Gold 62xx processors

Total cache

Upto 38.5 MB

Memory specifications

Features

Specifications

Type

DDR4 ECC RDIMMs - Supported only with Xeon W Series CPUs
DDR4 Non-ECC UDIMMs supported with Core X Series CPUs

Speed

2666 MHz
2933 MHz
3200 MHz

NOTE:2933 MHz RDIMMs are not offered with Xenon W Skylake Series CPUs.

NOTE:Computer configurations offered with 2933 MHz RDIMMs operating with Sky Lake processors will operate at 2666 MHz.

NOTE:Computer configurations offered with 3200 MHz RDIMMs operating with Cascade Lake processors will operate at 2933 MHz.

Connectors

6 DIMM Slots

NOTE:For computers shipped with dual CPU configuration, 6 more memory connectors for the second CPU are available on the Riser card.

Capacity

32 GB per slot 2666 MHz DDR4
64 GB per slot 2933 MHz DDR4
64 GB per slot 3200 MHz DDR4

Maximum memory

256 GB for Sky Lake Series CPUs
512 GB for Cascade Lake Series CPUs

NOTE:Intel Optane persistent memory (PMem) is supported on this system.

Video specifications

Features

Specifications

Graphic card

Radeon Pro WX 9100
NVIDIA Quadro GP100
NVIDIA Quadro P6000
NVIDIA Quadro P5000
Radeon Pro WX 7100
Radeon Pro WX 5100
Radeon Pro WX 4100
NVIDIA Quadro P4000
NVIDIA Quadro P2000
Radeon Pro WX 3100
Radeon Pro WX 2100
NVIDIA Quadro P1000
NVIDIA Quadro P600
NVIDIA Quadro P400
NVIDIA Quadro T400
NVIDIA Quadro T600
NVIDIA Quadro T1000
NVIDIA NVS 310
NVIDIA NVS 315
NVIDIA Quadro RTX 4000
NVIDIA Quadro RTX 5000/6000
NVIDIA GEFORCE RTX 2080 B
NVIDIA GEFORCE RTX 3080
NVIDIA GEFORCE RTX 3090
NOTE:NVIDIA GEFORCE RTX 3080 and 3090 Graphics cards are qualified to be used on the slot 2 and slot 4, PCIe slot of the system board.

Audio specifications

Features: Specifications
Type: High Definition Audio Codec (2 Channel)
Controller: Integrated Realtek ALC3234
Internal Speaker Power Rating: 2W
Internal microphone support: no

Network specifications

Features

Specifications

Integrated

Intel i219 Gigabit Ethernet controllers with Intel Remote Wake UP, PXE and Jumbo frames support

Optional

Intel i210 10/100/1000 single port PCIe (Gen 1 x 1) gigabit network card.
Intel X550-T2 10GbE dual port PCIe (Gen 3 x 4) network card
Aquantia AQN-108 2.5Gbit/5Gbe single port PCIe (Gen 3 x 4) network card.
Intel X710-T2L-t 10GbE dual port PCIe (Gen 3 x8 ) network card.

NOTE:Wake on LAN (WoL) is not supported on the Intel X550-T2 network card and the Intel X710-T2L-t network card.

Card slots

Features

Specifications

Type

PCIe Gen 3

Slots

2 PCIe x 16
1 PCIe x 16 wired as x8
1 PCIe x 16 wired as x4
1 PCIe x 16 wired as x1
1 PCI 32/33

NOTE:For technical reasons, it is required that the Qualcomm WCN6856-DBS Wi-Fi/Bluetooth Card be installed in PCIe Slot 5 on the system board

Storage specifications

Features

Specifications

Externally Accessible

DVD-ROM; DVD+/-RW 5.25” Bay Options: BD, DVD+/-RW

Internally Accessible

M.2 NVMe PCIe SSDs — Up to 4 x 1 TB drives on 1 Dell Precision Ultra-Speed Drive Quad x16 cards
Front FlexBay M.2 NVMe PCIe SSDs —Up to 2 x 1 TB drives
Up to 6 x 2.5” SATA drives
Up to 5 x 3.5” SATA drives
Slim ODD
SAS available with optional controller
Total possible SATA storage—60 TB made up of 5 x 3.5" SATA drives with a storage capacity of 12 TB per drive.

External connectors

Features

Specifications

Audio

Rear—1 x Audio Line in/Microphone
Rear—1 x Audio Line out
Front—1 x Universal Audio Jack

Network

Rear—1 x RJ45 Network

USB

Front—4 x USB 3.1 Gen1
Rear—6 x USB 3.1 Gen1

Serial port

Rear—1 x Serial port

PS2

Rear—1 x Keyboard
Rear—1 x Mouse

Power specifications

Features: Specifications
Wattage: 950 W
Voltage: input voltage 100 VAC-240 AC

Physical specifications

Features

Specifications

Height

417.9 mm

Width

176.5 mm

Depth

518.3 mm

Optional

19” rackmount rail kit

Environmental specifications

Temperature: Specifications
Operating: 5 °C to 35 °C (41 F to 95 °F)
NOTE:* Starting at 5000 ft, the maximum operating ambient temperature is derated by 1 C (1.8 F) per 1000 ft up to 10,000 ft.
Storage: -40 °C to 65 °C(-40 F to 149 F)

Relative humidity (maximum): Specifications
Operating: 8% to 85% (non-condensing)
Storage: 5% to 95% (non-condensing)

Maximum vibration: Specifications
Operating: 0.52 Grms, 5 to 350 Hz
Storage: 2.0 Grms, 5 to 500 Hz

Maximum Shock: Specifications
Operating: 40 G half-sine 2.5 ms pulse
Storage: 105 G half-sine 2.5 ms pulse

CPU utilization matrix for AEP DIMM

NOTE: While using a 512 GB SKU configuration, you may see high CPU utilization (25% to 75%) persisting between 5 to 40 minutes when you boot into Windows Operating system.

Table 1. AEP Support MatrixCPU utilization matrix
Channels		Ch5		Ch4		Ch3		Ch0		Ch1		Ch2		Ch5		Ch4		Ch3		Ch0		Ch1		Ch2
Integrated Memory Controller		iMC1 (CPU0)						iMC0 (CPU0)						iMC0 (CPU1)						iMC1 (CPU1)
VM (GB)	PM (GB)	DIMM2 (0)	DIMM8 (1)	DIMM4 (0)	DIMM10 (1)	DIMM6 (0)	DIMM12 (1)	DIMM5 (0)	DIMM11 (1)	DIMM3 (0)	DIMM9 (1)	DIMM1 (0)	DIMM7 (1)	DIMM1 (0)	DIMM7 (1)	DIMM3 (0)	DIMM9 (1)	DIMM5 (0)	DIMM11 (1)	DIMM6 (0)	DIMM12 (1)	DIMM4 (0)	DIMM10 (1)	DIMM2 (0)	DIMM8 (1)
64	256	128		16		16			16		16		128
64	512	256		16		16			16		16		256
128	1024	512		32		32			32		32		512
64	512	128		8		8			8		8		128	128		8		8			8		8		128
64	2048	512		8		8			8		8		512	512		8		8			8		8		512
128	512	128		16		16			16		16		128	128		16		16			16		16		128
128	1024	256		16		16			16		16		256	256		16		16			16		16		256
256	2048	512		32		32			32		32		512	512		32		32			32		32		512