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Dell Precision 7820 Tower Workstation

The Dell Precision 7820 Workstation Tower can power through complex, demanding applications with either a single or dual socket configuration.

Dell’s Precision Optimizer comes standard and helps tune your workstation to extract the best performance from a range of single or multi-threaded ISV certified applications.


Dell precision 7820 tower workstation can power through complex, demanding applications with either a single or dual socket configuration.

Dell’s Precision Optimizer comes standard and helps tune your workstation to extract the best performance from a range of single or multi-threaded ISV certified applications.

It’s highly adaptable and will grow with your ideas no matter where they take you, thanks to its versatile design and exceptional storage capabilities.

Dell Precision 7820 Tower Performance

  • Intel Xeon Scalable processors support up to 28 cores each, for up to 56 cores with two processors.
    In addition, the multichannel thermal design of the chassis delivers advanced cooling to protect critical internal components and ensure your system runs at peak performance.
  • The Dell 7820 Tower Workstation also supports two next-generation GPUs totaling up to 500W.
  • GPU options include top tier AMD Radeon Pro and NVIDIA Quadro professional graphics options for 3D rendering and other graphics-intensive tasks.Dell Precision 7820 Tower


  • Four front-accessible storage bays are located behind the bezel and support up to four 2.5-inch or four 3.5-inch SAS, SATA or U.2 NVMe drives.
  • A single 5.25-inch media bay can be outfitted with one additional 3.5-inch or two 2.5-inch drives for a maximum of five 3.5-inch drives or six 2.5-inch drives.
  • PCIe M.2 drives are also supported with optional dual and quad PCIe cards.
  • You can also install dual M.2 drives in one of the front drive bays using a hot plug flex tray with a special M.2 drive caddy.
  • With all storage considered, the system supports a maximum of 28TB. Intel CAS-W cache acceleration software for workstations is a great option providing enhanced storage performance for both spinning and solid state drives.

Dell Precision 7820 Tower Memory

  • Run your software as fast as possible and get real time results thanks to the workstation’s memory expansion capabilities.
  • Each Intel Xeon Scalable processor has six memory channels and supports six memory module slots. In a two processor configuration, there are 12 memory slots, total, supporting up to 384GB of DDR4 ECC memory operating at up to 2666MHz.
  • ECC memory enables your Workstation to catch any memory errors and remove dead sectors ensuring reliable


  • The Dell 7820 has two USB 3.1 Type A and two Type C slots in the front along with one universal audio jack.
  • On the back of the system you’ll find six more USB 3.1 Type A slots, one RJ45 network slot, and two PS2 slots.
  • The workstation also supports a total of 6 PCIe Generation 3 slots which are capable or running up to three high-end 3D graphics cards such as the Radeon Pro WX 9100 or the NVIDIA Quadro GP100.


  • Dell Precision 7820 Tower supports three main operating systems: Windows 10 Pro, Red Hat Enterprise Linux, or Ubuntu Linux.
  • We know your security is very important, and the 7820 workstation provides a suite of tools including Interface Security, lockable power supplies, Dell Data Guardian, Dell Endpoint Security Suite Enterprise, and more.
  • Dell’s Precision Optimizer also helps you get the most out of your system by analyzing your configuration and modifying settings to get the best performance out of both single and multi-threaded ISV certified applications.

Summary of Dell Precision 7820 Tower

  • The Dell Precision 7820 Tower is a powerful dual socket desktop workstation and second in line to Dell’s most powerful workstation, the Dell 7920.
  • With its storage, compute, and graphics performance, users can rest assured that it will handle most resource-intensive workloads with ease.




  • One or two Intel Xeon processor Scalable family CPUs with up to 28 cores per processor and Intel Advanced Vector Extensions, Intel Trusted Execution Technology, Intel AES New instructions, Optimized Intel Turbo Boost and optional Intel vPro technology

Operating system options

  • Windows 10 Pro for Workstations (up to 4 Cores)
  • Windows 10 Pro for Workstations (4 Cores Plus)
  • Windows 10 Pro for Workstations Downgrade to Windows 7 (up to 4 Cores)
  • Windows 10 Pro for Workstations Downgrade to Windows 7 (4 Cores Plus)
  • Red Hat Enterprise Linux 7.3
  • Ubuntu Linux 16.04
  • Suse Linux (SLES 12 SP2) supported
  • NeoKylin 6.0 SP3 (China only)

Memory options

  • Six channel memory up to 384GB 2666MHz DDR4 ECC memory with dual CPUs, 12 DIMM Slots (6 DIMMs per CPU).


  • Intel C621 (Lewisburg)

Graphics options

  • Support for 2 PCI Express x16 Gen 3 graphics cards up to 500W with maximum of 2 x 250W double-width graphics cards on single CPU configurations.
    Up to 2 x 150W single width graphics cards on dual CPU configurations.

High end 3D cards:

  • Radeon Pro WX 9100 Radeon Pro SSG (future) NVIDIA Quadro GP100 NVIDIA Quadro P6000 NVIDIA Quadro P5000

Mid-range 3D cards:

  • Radeon Pro WX 7100 Radeon Pro WX 5100 Radeon Pro WX 4100 NVIDIA Quadro P4000 NVIDIA Quadro P2000

Entry 3D cards:

  • Radeon Pro WX 3100 Radeon Pro WX 2100 NVIDIA Quadro P1000 NVIDIA Quadro P600 NVIDIA Quadro P400

Professional 2D cards:


Storage options

  • Front accessible FlexBays support up to 4 x 2.5”/3.5” SATA HDD/SSDs and up to 6 x 2.5” and 5 x 3.5” drives with 5.25” bay populated.
  • Up to 2 front accessible (hot plug) M.2 NVMe PCIe SSDs are supported in FlexBays on enabled PCIe chassis with integrated Intel controller.
  • NVMe RAID 0,1 option (Intel RSTe vROC).
    Dell M.2 carrier with PCIe SSD for PCIe FlexBay available as customer kit.
  • Up to 4 x M.2 NVMe PCIe SSDs via 1 x Dell Ultra-Speed Drive Quad x16 card. NVMe RAID 0,1,10 option (Intel RSTe vROC).
  • M.2 NVMe PCIe SSDs: Up to 4 x 1TB drives on 1 Dell Precision Ultra-Speed Drive Quad x16 cards.
  • Front FlexBay M.2 NVMe PCIe SSDs: Up to 2 x 1TB drives
  • 2.5” SATA SSD: Up to 6 x 1TB drives 2.5”
    SAS SSD: Up to 6 x 800GB drives
  • 3.5” SAS 7200 RPM 12Gb/s: Up to 5 x 4TB
  • 2.5” SAS 10K RPM 12Gb/s: Up to 6 x 1.8TB 2.5” SAS 15K RPM 12Gb/s: Up to 6x 900GB (future)
  • 2.5” Self Encrypting Drives: 512GB 2.5” SED (OPAL/ FIPS (140-2) HDD


  • Height: 417.9 mm (16.45”) X Width: 176.5 mm (6.95”) X Depth: 518.3 mm (20.41”). Optional 19” rackmount rail kit. Starting weight: 15.9kg (35.1 lb)


  • Trusted Platform Module (TPM 2.0); Optional CAC/PIV card reader for slimline bay, chassis Intrusion switch; Setup/BIOS Password; I/O Interface Security; Kensington lock slot, Padlock ring, lockable power supply; Optional hard drive locking sleds (key lock), Dell Data Guardian, Dell Endpoint Security Suite Enterprise


  • Front 2 USB 3.1 Type A 2 USB 3.1 Type C 1 Universal Audio Jack Up to 2 (future 4) PCIe slots in PCIe enabled chassis for M.2 and U.2 (future) PCIe SSDs
  • Internal 1 USB 2.0 1 USB 2.0 header. (requires 3rd party splitter cable to support 2 USB 2.0 Type A ports) 8 SATA @6Gb/s plus 1 SATA for optical
  • Rear 6 USB 3.1 Type A 1 Serial 1 RJ45 Network 2 PS2 1 Audio Line out 1 Audio Line in/Microphone


  • All slots PCIe Gen 3 2 PCIe x16 1 PCIe x16 wired as x8 1 PCie x16 wired as x4 1 PCIe x16 wired as x1 1 PCI 32/33
  • Chassis Bays: (2) FlexBays and (1) 5.25” FlexBay (can support 1 x 3.5” or 2 x 2.5” HDD/SSD drives as factory option or customer kit) (1) Slimline optical bay; (1) SD slot UHS ll Class 3 with read only support
  • (SW enabled).Available PCIe chassis with PCIe FlexBays supporting M.2 NVMe PCIe SSDs and future U.2 NVMe PCIe SSDs. PCIe FlexBay customer kit available.

Additional information


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