Dell Precision 7820
Dual-processor capability for applications that benefit from additional CPU cores. Compare platform specifications, then select your configuration.
Buying the Dell Precision 7820
Our refurbished CTO systems offer TekBoost’s best value and are the models we sell most commonly. Use the configurator to select the available processors, memory, storage and other options. Review the final configuration and price before ordering.
Need an option outside the configurator? Send a custom quote request with the model and required components.
Platform specifications
These are platform capabilities and documented options. Match the exact processor, chassis and installed components to the applicable manufacturer document.
| Processors | One or two Intel Xeon Scalable CPUs, 1st or 2nd generation, up to 28 cores each |
|---|---|
| Memory | Six-channel DDR4 ECC, up to 768GB at 2933MHz across 12 DIMM slots (dual-CPU) |
| Graphics slots | Two PCIe x16 Gen 3 graphics slots; power ceiling depends on CPU count (see above) |
| Storage (FlexBay) | Up to 4× 2.5"/3.5" SATA (up to 6×2.5" + 5×3.5" with the 5.25" bay populated); up to 2 front hot-plug M.2/U.2 NVMe; up to 4 M.2 NVMe via an add-in card |
| Storage controllers | Integrated Intel chipset SATA + software RAID 0/1/5/10; optional Broadcom MegaRAID hardware/software RAID controllers |
| Expansion slots | 2× PCIe x16, 1× PCIe x16 (x8-wired), 1× PCIe x16 (x4-wired), 1× PCIe x16 (x1-wired), 1× PCI 32/33 — all PCIe Gen 3 |
| Power supply | 950W, 90% efficient, 80 PLUS Gold certified, externally accessible and lockable |
| Chassis | 16.45" (H) × 6.95" (W) × 20.4" (D), approximately 34lb |
| Rack option | An official Dell rack-conversion accessory exists for this platform (shared with the Precision 5820) |
| Original documented operating systems | Dell's original platform documentation lists Windows 10 Pro for Workstations and specified Linux releases (RHEL 7.5/8.0, Ubuntu 16.04/18.04) ; verify current OS and driver support for the selected configuration |
Dell Precision 7820 specifications PDF
Download the manufacturer document hosted by TekBoost. Check the revision inside the PDF; archived editions may cover different options from later releases.
Plan a complete configuration
Processor & memory
Match your application requirements to the supported processor family. Verify DIMM type, occupied slots and population rules; installed CPU count can affect available memory and expansion.
Graphics & expansion
Confirm graphics-card dimensions, occupied PCIe slots, PSU capacity, power connectors and application certification.
Condition & delivery
Compare the complete configured price, warranty terms and lead time. Include your quantity, destination and preferred condition when requesting a quote.
Common questions
Can I configure and buy this model online?
Yes. Use Configure & Buy to open the current CTO listing and choose its available options. Contact us for requirements outside that listing.
Does the specification sheet describe my exact system?
No. It describes platform options for its document edition. Check your installed processor, memory, chassis, controller, power supply and expansion components before selecting parts.
Compare related systems
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Dell Precision 5820
A single-processor tower with motherboard choices to match your processor platform. Compare platform specifications, then select your configuration.
Choose your next step
Configure a common refurbished platform for the best value, or request a quote around your workload.