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Catalog/Servers/Dell PowerEdge R640
Dell · Server

Dell PowerEdge R640 — supported memory

Which DDR4 RDIMM / LRDIMM modules fit the PowerEdge R640, and the compatible parts we track.

Memory support vendor documentation
GenerationDDR4
Form factorsRDIMM / LRDIMM
Max speedup to 2933 MT/s CPU-dependent
24 DIMM slots. 'All DIMMs must be DDR4.' Memory bus operates at 2933/2666/2400/2133 MT/s depending on profile and CPU; 2933 MT/s only at 1 DPC. Also supports NVDIMM-N and Intel Optane PMem (not tradeable module types). RDIMM and LRDIMM must not be mixed. No UDIMM support.
Compatible memory we track 281 modules
ManufacturerPart numberSpecFit
Kingston 9995640-011.A00G 32 GB · DDR4-2400 · RDIMM · 2Rx4 ✓ Confirmed
Micron MTA36ASF4G72PZ-2G6D1QK 32 GB · DDR4-2666 · RDIMM · 2Rx4 ✓ Confirmed
Micron MTA36ASF4G72PZ-2G9J3UI 32 GB · DDR4-2933 · RDIMM · 2Rx4 ✓ Confirmed
Samsung M393A2G40DB0-CPB 16 GB · DDR4-2133 · RDIMM · 2Rx4 ✓ Confirmed
Samsung M393A2G40DB0-CPB3Q 16 GB · DDR4-2133 · RDIMM · 2Rx4 ✓ Confirmed
Samsung M393A4K40BB0-CPB 32 GB · DDR4-2133 · RDIMM · 2Rx4 ✓ Confirmed
Samsung M393A4K40BB1-CRC4Q 32 GB · DDR4-2400 · RDIMM · 2Rx4 ✓ Confirmed
Samsung M393A4K40CB2-CVFBY 32 GB · DDR4-2933 · RDIMM · 2Rx4 ✓ Confirmed
Samsung M393A8G40MB2-CVFBY 64 GB · DDR4-2933 · RDIMM · 2Rx4 ✓ Confirmed
SK hynix HMA42GR7MFR4N-TF 16 GB · DDR4-2133 · RDIMM · 2Rx4 ✓ Confirmed
SK hynix HMA84GR7AFR4N-UH 32 GB · DDR4-2400 · RDIMM · 2Rx4 ✓ Confirmed
SK hynix HMA84GR7AFR4N-VK 32 GB · DDR4-2666 · RDIMM · 2Rx4 ✓ Confirmed
SK hynix HMA84GR7CJR4N-WM 32 GB · DDR4-2933 · RDIMM · 2Rx4 ✓ Confirmed
SK hynix HMA84GR7DJR4N-WM 32 GB · DDR4-2933 · RDIMM · 2Rx4 ✓ Confirmed
SK hynix HMA84GR7MFR4N-TF 32 GB · DDR4-2133 · RDIMM · 2Rx4 ✓ Confirmed
Kingston 9932022-001.A00G 16 GB · DDR4-2133 · RDIMM · 2Rx4 Spec match
Kingston 9932022-003.A00G 16 GB · DDR4-2133 · RDIMM · 2Rx4 Spec match
Kingston 9932022-006.A00G 16 GB · DDR4-2133 · RDIMM · 2Rx4 Spec match
Kingston 9965589-008.E00G 16 GB · DDR4-2666 · RDIMM · 1Rx4 Spec match
Kingston 9965600-023.A00G 16 GB · DDR4-2133 · RDIMM · 2Rx4 Spec match
Kingston 9965600-033.A00G 16 GB · DDR4-2133 · RDIMM · 2Rx4 Spec match
Kingston 9965604-033.D00G 16 GB · DDR4-2400 · RDIMM · 2Rx8 Spec match
Kingston 9965640-006.A01G 32 GB · DDR4-2400 · RDIMM · 2Rx4 Spec match
Kingston 9965640-008.A01G 32 GB · DDR4-2400 · RDIMM · 2Rx4 Spec match
Kingston 9965640-033.C00G 32 GB · DDR4-2666 · RDIMM · 2Rx4 Spec match
Kingston 9965662-012.A01G 16 GB · DDR4-2133 · RDIMM · 2Rx4 Spec match
Kingston 9965662-12.A01G 16 GB · DDR4-2133 · RDIMM · 2Rx4 Spec match
Kingston 9965694-026.B00G 32 GB · DDR4-3200 · RDIMM · 2Rx4 Spec match
Kingston 9965757-040.A00G 64 GB · DDR4-3200 · RDIMM · 2Rx4 Spec match
Kingston 9995754-033.A00G 32 GB · DDR4-3200 · RDIMM · 2Rx8 Spec match
Kingston 9995757-002.A00G 64 GB · DDR4-3200 · RDIMM · 2Rx4 Spec match
Kingston 9995757-003.A00G 64 GB · DDR4-3200 · RDIMM · 2Rx4 Spec match
Kingston 9995757-016.A00G 64 GB · DDR4-3200 · RDIMM · 2Rx4 Spec match
Kingston 9995757-044.A00G 64 GB · DDR4-3200 · RDIMM · 2Rx4 Spec match
Micron MTA144ASQ16G72LSZ-2S6 128 GB · DDR4-2666 · LRDIMM · 8Rx4 Spec match
Micron MTA18ADF4G72PZ-2G9B1TL 32 GB · DDR4-2933 · RDIMM · 1Rx4 Spec match
Micron MTA18ASF1G72PDZ-2G6 8 GB · DDR4-2666 · RDIMM · 2Rx8 Spec match
Micron MTA18ASF1G72PZ-2G1 8 GB · DDR4-2133 · RDIMM · 1Rx4 Spec match
Micron MTA18ASF2G72PDZ-2G3B1 16 GB · DDR4-2400 · RDIMM · 2Rx8 Spec match
Micron MTA18ASF2G72PDZ-2G3B1II 16 GB · DDR4-2400 · RDIMM · 2Rx8 Spec match
View all 281 compatible modules in the catalog →
Confirmed = listed in the vendor's memory documentation. Spec match = meets this platform's JEDEC requirements (generation, form factor, validated speed); interchangeability is spec-based, not per-server testing. How we verify →