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Black mid-tower workstation chassis, front panel with Dell badge and optical bay cover

DELL

DELL Precision 5820 Tower Workstation Xeon W-2123 256GB DDR4 1TB NVMe Quadro P4000

SKU CH-ZW45-QZ21E

Mid-tower workstation with Xeon W-2123 3.6GHz 4-core CPU, 256GB DDR4 ECC memory, 1TB NVMe SSD and Quadro P4000 8GB graphics

  • TypeBusiness Desktops & Workstations
  • Form FactorMid Tower
  • UsageBusiness
  • ColorBlack
  • MonitorMonitor not included
  • Operating SystemWindows 11 Pro
  • Xeon W-2123 reaches 3.9 GHz turbo for fast single-thread work
  • 256 GB DDR4 2666 MHz ECC memory handles large datasets
  • 1 TB NVMe SSD gives rapid boot and load times
  • Quadro P4000 with 8 GB GDDR5 drives four displays
  • 950 W 80 Plus Gold supply delivers stable 90 % efficient power

Precision 5820 Tower Workstation

The Dell Precision 5820 Tower Workstation is built around an Intel Xeon W-2123 3.6GHz (3.9GHz Turbo) 4 Core Processor. It ships with 256GB DDR4 2666MHz Registered ECC memory across eight slots. A 1TB PCIe NVMe solid-state drive provides primary storage. The Nvidia Quadro P4000 graphics card adds 8GB GDDR5 memory and four DisplayPort outputs. Windows 11 Pro is pre-installed for professional environments.

Upgrading from entry systems

This configuration replaces desktop platforms limited to consumer processors and non-ECC memory. The jump is worth it when workloads require registered ECC DDR4 at 2666MHz and a 950 Watt 80 Plus Gold certified power supply delivering 90% efficiency. The Xeon W-2123 on LGA 2066 supports multi-threaded compute that consumer sockets cannot sustain. Buyers who need more than 256GB memory capacity or higher core counts must evaluate alternative workstation classes.

LGA 2066 and Quadro P4000 limits

The LGA 2066 socket caps memory at 256GB DDR4 across eight slots, matching the installed configuration. The Quadro P4000 uses a 256-bit GDDR5 interface with four DisplayPort connectors, limiting display outputs to four panels. The 950 Watt power supply defines the ceiling for additional internal cards or drives. Integrated Intel i219 Gigabit Ethernet and Realtek ALC3234 audio remain fixed on the motherboard.

Points forts

  • Xeon W-2123 reaches 3.9 GHz turbo for fast single-thread work
  • 256 GB DDR4 2666 MHz ECC memory handles large datasets
  • 1 TB NVMe SSD gives rapid boot and load times
  • Quadro P4000 with 8 GB GDDR5 drives four displays
  • 950 W 80 Plus Gold supply delivers stable 90 % efficient power

Caractéristiques

SeriesPrecision
ModelT5820
TypeBusiness Desktops & Workstations
Form FactorMid Tower
UsageBusiness
ColorBlack
MonitorMonitor not included
Operating SystemWindows 11 Pro
CPU TypeIntel Xeon
CPU NameW-2123 (3.60GHz)
CPU Socket TypeLGA 2066
GPU/VGA TypeNVIDIA Quadro P4000
Memory Capacity256GB DDR4
Memory SpeedDDR4 2666
Memory Slot (Total)8
Maximum Memory Supported256 GB
SSD1 TB PCIe
HDDNo
Screen SizeNo Screen

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Questions sur cet article

What power supply clearance does the 950 watt unit require in the mid-tower chassis?

The 950 watt 80 Plus Gold power supply is built into the Precision 5820 mid-tower, so no extra clearance beyond the standard case depth is needed.

Which memory slots should the 8x 32GB DDR4 2666 registered ECC modules occupy for correct installation?

Populate all eight DDR4 slots with the matched 32 GB modules; the workstation expects a full 256 GB configuration across every slot.

When should the 950 watt power supply be considered for replacement in this workstation?

Plan to evaluate the 950 watt 80 Plus Gold unit after several years of continuous high-load operation, as capacitor ageing can reduce efficiency over time.

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