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The Dell PowerEdge R940 is a refurbished 3U Rack server (14G) for the 2nd Generation Intel Xeon Scalable, DDR4 · up to 15360 GB · 48 DIMM slots · up to 2933 MT/s · 6 channels per CPU · ECC. Drive layouts: 8x 2.5-inch SAS/SATA (passive backplane); 24x 2.5-inch SAS/SATA/SSD/NVMe (active backplane). Every unit is tested, warrantied and shipped from Canada; configure it online with parts that are checked for compatibility.
Best for: hpc, storage, virtualization, database.
| Form factor | 3U Rack |
|---|---|
| Generation | 14G |
| CPU | 4 socket(s) · 2nd Generation Intel Xeon Scalable · LGA3647 · up to 28 cores per CPU · max 205 W TDP |
| Memory | DDR4 · up to 15360 GB · 48 DIMM slots · up to 2933 MT/s · 6 channels per CPU · ECC |
| Drive bays | 8x 2.5-inch SAS/SATA (passive backplane); 24x 2.5-inch SAS/SATA/SSD/NVMe (active backplane) |
| Storage controllers | H330, H740P, 12 Gb SAS HBA · boot: BOSS-S1 (HWRAID 2x M.2 SATA SSDs), IDSDM (microSD) · M.2 boot |
| PCIe | Gen 3.0 · 13 slots · 10× x16 |
| Networking | Flexible Rack Network Daughter Cards (rNDC) |
| GPU | up to 4 GPUs · 2 double-width |
| Power | 1100W Platinum, 1100W Platinum, 1100W Platinum, 1600W Platinum, 2000W Platinum, 2400W Platinum · redundant · hot-swap |
| Management | iDRAC9 · iDRAC9 Express |
| Cooling | ASHRAE A4 · hot-swap fans |
| Dimensions | 130.3 × 482.0 × 777.046 mm |
Real parts from our catalog for this chassis, priced from live market listings and vendor offers:
Chassis pricing is quoted by our team; component prices come from live market listings and vendor offers and are refreshed nightly. Lines without market evidence are quoted by our team.
An expansion module is not necessary for the R940 server, as it supports only two CPUs mounted directly on the motherboard. All four CPUs are installed on the motherboard in other models. [community thread]
No, you cannot mix different capacities of Intel Optane persistent memory in the same system. Each server must have only one capacity of Optane RAM, and mixing operating modes is also not supported. [community thread]
First, ensure the chassis is securely closed, as an open chassis can prevent startup. Next, check that all power supplies are functioning and properly connected, and consider reseating CPU 4 and its RAM. If issues persist, inspect the motherboard for damage and test power supply voltages. [community thread]
Compatibility of transceivers with the Broadcom 57412 adapter may vary, and it's recommended to consult with sales support or check with authorized resellers for specific part numbers. The SFP+ part number C5RNH has been noted for the R960 model, but confirming compatibility before purchase is advisable. [community thread]
To resolve UEFI0375 or UEFI0351 errors, ensure that the NVDIMMs are installed in the correct CPU slots. Then, access the System BIOS, navigate to Memory Settings, and configure the Persistent Memory by setting the Persistent Memory Mode to 100% Persistent. Save the changes and reboot the server. [community thread]