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Dell PowerEdge R540

The Dell PowerEdge R540 is a 2U two-socket rack server that balances compute and large 3.5" storage at a value price. It runs up to two 2nd Gen Intel Xeon Scalable processors with up to 20 cores each, 16 DDR4 DIMM slots for up to 1TB at 2666 MT/s, and up to twelve 3.5" front drives plus two in the rear. Up to five PCIe slots, M.2 boot SSDs on BOSS, flexible LOM networking, redundant power and iDRAC9 round it out. Fully configurable.

Looking to compare generations? See its Gen 15 successor, the Dell PowerEdge R550, or compare Gen 14 models: Dell PowerEdge R440 and Dell PowerEdge R740xd.

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  • Form Factor: 2U Rack
  • Processors: Up to 2x 2nd Gen Intel Xeon Scalable (up to 20 cores)
  • Memory: 16x DDR4 RDIMM/LRDIMM slots, up to 1TB
  • Memory Speed: Up to 2666 MT/s
  • Storage: Up to 12x 3.5" front + 2x 3.5" rear
  • Expansion: Up to 5x PCIe (3x Gen3, 2x Gen2)
  • GPU Support: Not listed by Dell
  • Networking: 2x 1GbE LOM + optional 2x 1GbE/10GbE riser
  • Management: iDRAC9 with Lifecycle Controller
  • Cooling: Air, up to 6 fans
  • Power: Redundant PSUs, 495W to 1100W

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Dell PowerEdge R540 vs R550: Specs & Key Differences

Feature PowerEdge R540 PowerEdge R550
Processors Up to 2x 2nd Gen Intel Xeon Scalable (up to 20 cores) Up to 2x 3rd Gen Intel Xeon Scalable (up to 24 cores)
Memory 16x DDR4 RDIMM/LRDIMM slots, up to 1TB 16x DDR4 RDIMM slots, up to 1TB
Memory Speed Up to 2666 MT/s Up to 2933 MT/s
Storage Up to 12x 3.5" front + 2x 3.5" rear Up to 16x 2.5" or 8x 3.5"
PCIe Up to 5 (3x Gen3, 2x Gen2) 3x PCIe Gen4 + 1x Gen3, OCP 3.0
Networking 2x 1GbE LOM + optional riser 2x 1GbE LOM, OCP 3.0 options
Management iDRAC9 iDRAC9
Power 495W to 1100W hot-plug 600W to 1100W redundant
Form Factor 2U Rack 2U Rack

Frequently Asked Questions

Up to two 1st or 2nd Gen Intel Xeon Scalable processors, with up to 20 cores per socket on the 2nd Gen options in Dell's spec sheet.

Sixteen DDR4 DIMM sockets accept RDIMMs or LRDIMMs, for up to 1TB at speeds up to 2666 MT/s.

Up to twelve 3.5-inch SAS/SATA drives in front plus two 3.5-inch drives in the rear, with M.2 boot SSDs on the optional BOSS card. RAID options include PERC H330, H730P, H740P and newer H350/H750. Please specify your capacity needs when you submit your quote configuration.

Hot-plug Platinum supplies at 495W, 750W or 1100W, with HVDC versions, all with a full redundancy option.

The Gen 15 R550 moves to 3rd Gen Xeon Scalable with up to 24 cores, DDR4-2933, PCIe Gen4 slots and OCP 3.0 networking, but tops out at eight 3.5-inch drives. The R540 holds up to 14 large drives, so it stays the stronger choice for bulk capacity.

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