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Black mid-tower workstation chassis with front panel vents and Dell Precision branding

DELL

DELL Precision 5820 Tower Xeon W-2135 128GB DDR4 1TB NVMe Quadro P4000 Win 11 Pro

SKU CH-6CT9-2T5PT

High-performance workstation with 6-core Xeon processor, 128GB DDR4 ECC memory, 1TB NVMe SSD and Quadro P4000 graphics for demanding professional applications

  • TypeBusiness Desktops & Workstations
  • Form FactorMid Tower
  • UsageBusiness
  • ColorBlack
  • MonitorMonitor not included
  • Operating SystemWindows 11 Pro
  • 6-core Xeon W-2135 reaches 4.5 GHz turbo for demanding workloads
  • 128 GB DDR4 2666 ECC memory handles large datasets without errors
  • 1 TB NVMe SSD provides fast storage for projects and applications
  • Quadro P4000 8 GB GDDR5 drives four displays for visualisation tasks
  • 950 W 80 Plus Gold PSU delivers 90 % efficient power to all components

Xeon W-2135 workstation

The Dell Precision 5820 Tower is built around an Intel Xeon W-2135 processor with six cores running at 3.7 GHz and a 4.5 GHz turbo frequency. It ships with 128 GB of DDR4 2666 registered ECC memory in four 32 GB modules. A 1 TB PCIe NVMe solid-state drive provides the primary storage. The NVIDIA Quadro P4000 graphics card adds 8 GB of GDDR5 memory and four DisplayPort outputs. Windows 11 Pro is pre-installed on the system.

DDR4 2666 memory ceiling

Memory operates at DDR4 2666 across eight total slots, with the current configuration occupying four of them. The platform maximum is 256 GB, so the installed 128 GB leaves four open slots for future expansion. Registered ECC modules are required for stability in this workstation class. Mixing unbuffered or non-ECC memory is not supported by the memory controller.

Storage and GPU headroom

The single 1 TB NVMe drive handles operating system, applications and active project files, but capacity will fill quickly with large datasets or media libraries. Additional internal drives would be needed for bulk storage. The Quadro P4000 drives up to four displays through its DisplayPort connectors and suits professional 3D and CAD workloads within its 8 GB frame buffer. More complex scenes or GPU compute tasks will exceed the available video memory.

Highlights

  • 6-core Xeon W-2135 reaches 4.5 GHz turbo for demanding workloads
  • 128 GB DDR4 2666 ECC memory handles large datasets without errors
  • 1 TB NVMe SSD provides fast storage for projects and applications
  • Quadro P4000 8 GB GDDR5 drives four displays for visualisation tasks
  • 950 W 80 Plus Gold PSU delivers 90 % efficient power to all components

Specifications

SeriesPrecision
ModelT5820
TypeBusiness Desktops & Workstations
Form FactorMid Tower
UsageBusiness
ColorBlack
MonitorMonitor not included
Operating SystemWindows 11 Pro
CPU TypeIntel Xeon
CPU NameW-2135 (3.70GHz)
CPU Socket TypeLGA 2066
GPU/VGA TypeNVIDIA Quadro P4000
Memory Capacity128GB DDR4
Memory SpeedDDR4 2666
Memory Slot (Total)8
Maximum Memory Supported256 GB
SSD1 TB PCIe
HDDNo
Screen SizeNo Screen

Other versions of this model

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Questions about this item

Should I pick the 128GB DDR4 2666 configuration or add more memory later?

The system ships with 128GB (4x 32GB) DDR4 2666 ECC registered modules and supports up to 256GB across 8 slots, so you can add another 128GB if workloads demand it.

What does the 3.7GHz base clock and 4.5GHz turbo mean for daily work?

The Xeon W-2135 runs six cores at 3.7GHz base and can boost to 4.5GHz on fewer cores, giving strong single-thread speed for CAD and simulation while sustaining multi-core throughput.

How does the PCIe NVMe drive perform compared to older interfaces?

The 1TB M.2 NVMe SSD uses PCIe lanes for high sequential throughput and low latency, cutting boot and load times versus legacy storage.

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