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Dell PowerEdge R640 Memory Upgrades ✓­ Guaranteed Compatible

Make & Model:Dell PowerEdge R640
Total Memory Slots:24
Maximum Memory:3TB

It's easy to buy Dell PowerEdge R640 memory here.

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Have a question about your Dell PowerEdge R640 memory upgrade? Our technical support can help you with any question to ensure you get the best module option for your Dell PowerEdge R640 system.

100% Guaranteed
Compatible

Get proven Dell PowerEdge R640 memory upgrades here. We ship approved, certified and OEM qualified modules to ensure total Dell PowerEdge R640 system memory reliability.

Quick Advance
Replacement

Nothing is perfect. Sometimes things happen. If your Dell PowerEdge R640 memory upgrade fails at anytime–we will ship a replacement same day. We support your Dell PowerEdge R640 memory purchase long after the sale.

Meet the increasing demands of your applications with more Dell PowerEdge R640 memory.
Expand system performance with an upgrade at lower costs today!

DIMM Type    Speed    Configuration Guide    Lifetime WarrantyLifetime WarrantyLifetime WarrantyLifetime Warranty
Never worry. We support you long after the sale. If any module ever fails–we will replace at zero cost to you!

Showing 1–50 of 75 results

Part #Part NumberMade ByCapacitySpeedForm FactorPrice
A9810569

Memory for Dell PowerEdge R640
Original Replacement1x 64GBDDR4-2666RDIMM $ 348 Buy Now
AA601615

Memory for Dell PowerEdge R640
Original Replacement1x 64GBDDR4-2933RDIMM $ 298 Buy Now
SNP4JMGMC/64G

Memory for Dell PowerEdge R640
Original Replacement1x 64GBDDR4-2666RDIMM $ 348 Buy Now
SNPW403YC/64G

Memory for Dell PowerEdge R640
Original Replacement1x 64GBDDR4-2933RDIMM $ 298 Buy Now
A9781929

Memory for Dell PowerEdge R640
Original Replacement1x 32GBDDR4-2666RDIMM $ 108 Buy Now
A9810568

Memory for Dell PowerEdge R640
Original Replacement1x 32GBDDR4-2666RDIMM $ 108 Buy Now
AA579531

Memory for Dell PowerEdge R640
Original Replacement1x 32GBDDR4-2933RDIMM $ 132 Buy Now
AA601616

Memory for Dell PowerEdge R640
Original Replacement1x 32GBDDR4-2933RDIMM $ 132 Buy Now
SNP8WKDYC/32G

Memory for Dell PowerEdge R640
Original Replacement1x 32GBDDR4-2933RDIMM $ 132 Buy Now
SNPTN78YC/32G

Memory for Dell PowerEdge R640
Original Replacement1x 32GBDDR4-2666RDIMM $ 108 Buy Now
A9781928

Memory for Dell PowerEdge R640
Original Replacement1x 16GBDDR4-2666RDIMM $ 78 Buy Now
AA138422

Memory for Dell PowerEdge R640
Original Replacement1x 16GBDDR4-2666RDIMM $ 78 Buy Now
AA174381

Memory for Dell PowerEdge R640
Original Replacement1x 16GBDDR4-2666RDIMM $ 78 Buy Now
AA579532

Memory for Dell PowerEdge R640
Original Replacement1x 16GBDDR4-2933RDIMM $ 98 Buy Now
AA601617

Memory for Dell PowerEdge R640
Original Replacement1x 16GBDDR4-2933RDIMM $ 98 Buy Now
SNPDFK3YC/16G

Memory for Dell PowerEdge R640
Original Replacement1x 16GBDDR4-2666RDIMM $ 78 Buy Now
SNPTFYHPC/16G

Memory for Dell PowerEdge R640
Original Replacement1x 16GBDDR4-2933RDIMM $ 98 Buy Now
SNPVM51CC/16G

Memory for Dell PowerEdge R640
Original Replacement1x 16GBDDR4-2666RDIMM $ 78 Buy Now
A9781927

Memory for Dell PowerEdge R640
Original Replacement1x 8GBDDR4-2666RDIMM $ 54 Buy Now
A9810566

Memory for Dell PowerEdge R640
Original Replacement1x 8GBDDR4-2666RDIMM $ 54 Buy Now
SNP1VRGYC/8G

Memory for Dell PowerEdge R640
Original Replacement1x 8GBDDR4-2666RDIMM $ 54 Buy Now
SNP917VKC/128G

Memory for Dell PowerEdge R640
Original Replacement1x 128GBDDR4-2666LRDIMM $ 1,124 Buy Now
A9781930

Memory for Dell PowerEdge R640
Original Replacement1x 64GBDDR4-2666LRDIMM $ 272 Buy Now
A9816030

Memory for Dell PowerEdge R640
Original Replacement1x 64GBDDR4-2666LRDIMM $ 272 Buy Now
SNP2WMMMC/32G

Memory for Dell PowerEdge R640
Original Replacement1x 32GBDDR4-2666LRDIMM $ 238 Buy Now
M393A8G40AB2-CVF

Memory for Dell PowerEdge R640
SAMSUNG1x 64GBDDR4-2933RDIMM Request For Quote
M393A8G40MB2-CVF

Memory for Dell PowerEdge R640
SAMSUNG1x 64GBDDR4-2933RDIMM $ 314 Buy Now
M393A8K40B22-CWD

Memory for Dell PowerEdge R640
SAMSUNG1x 64GBDDR4-2666RDIMM $ 348 Buy Now
M393A4K40BB2-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 32GBDDR4-2666RDIMM $ 108 Buy Now
M393A4K40CB2-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 32GBDDR4-2666RDIMM $ 108 Buy Now
M393A4K40CB2-CVF

Memory for Dell PowerEdge R640
SAMSUNG1x 32GBDDR4-2933RDIMM $ 132 Buy Now
M393A4K40DB2-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 32GBDDR4-2666RDIMM Request For Quote
M393A4K40DB2-CVF

Memory for Dell PowerEdge R640
SAMSUNG1x 32GBDDR4-2933RDIMM Request For Quote
M393A4K40DB2-CWE

Memory for Dell PowerEdge R640
SAMSUNG1x 32GBDDR4-3200RDIMM Request For Quote
M393A4K40DB3-CWE

Memory for Dell PowerEdge R640
SAMSUNG1x 32GBDDR4-3200RDIMM Request For Quote
M393A2K43BB1-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 16GBDDR4-2666RDIMM Request For Quote
M393A2K43CB2-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 16GBDDR4-2666RDIMM $ 78 Buy Now
M393A2K43CB2-CVF

Memory for Dell PowerEdge R640
SAMSUNG1x 16GBDDR4-2933RDIMM $ 78 Buy Now
M393A2K43DB2-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 16GBDDR4-2666RDIMM Request For Quote
M393A2K43DB2-CVF

Memory for Dell PowerEdge R640
SAMSUNG1x 16GBDDR4-2933RDIMM Request For Quote
M393A2K43DB2-CWE

Memory for Dell PowerEdge R640
SAMSUNG1x 16GBDDR4-3200RDIMM Request For Quote
M393A2K43DB3-CWE

Memory for Dell PowerEdge R640
SAMSUNG1x 16GBDDR4-3200RDIMM Request For Quote
M393A1K43BB1-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 8GBDDR4-2666RDIMM $ 54 Buy Now
M393A1K43DB1-CWE

Memory for Dell PowerEdge R640
SAMSUNG1x 8GBDDR4-3200RDIMM Request For Quote
M393A1K43DB2-CWE

Memory for Dell PowerEdge R640
SAMSUNG1x 8GBDDR4-3200RDIMM Request For Quote
M386AAK40B40-CWD

Memory for Dell PowerEdge R640
SAMSUNG1x 128GBDDR4-2666LRDIMM $ 1,124 Buy Now
M386A8K40BM2-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 64GBDDR4-2666LRDIMM $ 272 Buy Now
M386A8K40CM2-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 64GBDDR4-2666LRDIMM $ 272 Buy Now
M386A8K40DM2-CTD

Memory for Dell PowerEdge R640
SAMSUNG1x 64GBDDR4-2666LRDIMM Request For Quote
M386A8K40DM2-CWE

Memory for Dell PowerEdge R640
SAMSUNG1x 64GBDDR4-3200LRDIMM Request For Quote

Learn more about Dell PowerEdge R640 memory

What Dell PowerEdge R640 DIMM type is supported?

LRDIMM and RDIMM

Why are there various DIMM types supported?

Factory configured R640 systems often have smaller, less expensive modules. As more memory is required different density and technologies are needed. DIMM type mixing is never recommended.

What is a registered memory module?

Registered DIMM memory modules have a register component between the DRAM modules and the motherboard memory controller. When manufactured as a dual in-line memory module (DIMM), a registered memory module is called an RDIMM.

What is a load reduced memory module?

Load reduced memory module technology uses a distributed data buffer to improve bandwidth efficiencies when scaling to higher capacities and speed on enterprise server systems. All LRDIMMs are registered but not all RDIMMs are LRDIMMs. LRDIMM or load-reduced DIMMs are (used in enterprise servers) support highest density modules and contain a memory buffer (MB) component usually made by IDT or Montage. The memory buffer minimizes the load on the server memory bus. LRDIMMs are commonly used to maximize Dell PowerEdge R640.

What Dell PowerEdge R640 memory speed is supported?

DDR4-2666, DDR4-2933 and DDR4-3200

Why may there be various speeds of Dell PowerEdge R640 memory?

Some servers often have various configurations and versions. If you are unsure what you need, please refer to your R640 manual or data sheet. If you need tech support, please contact us.

General DIMM population guideline for Dell PowerEdge R640 upgrade to consider.

Some may or may not apply.

  • Do not mix DIMM LRDIMM and RDIMM types.
  • If mixing memory speeds, all 24 DIMMs run at the lowest DDR4-2666 bus frequency.
  • Install DIMMs starting furthest from the processor.
  • Do not install DIMMs if the corresponding processor is not installed.
  • If only one processor is installed in a two CPU system, only half of the DIMM slots are available.
  • To maximize performance, balance the total memory capacity between all installed processors.
  • It is not required, but it is recommended to load the channels similarly if possible.

Why are there so many Dell PowerEdge R640 upgrade options?

IT buyers come from all walks of life. Some purchase by OEM part number. Some purchase by original module part number. Our goal is to give you confidence when purchasing Dell PowerEdge R640 upgrades. All modules listed are qualified to work in your Dell PowerEdge R640.

View Dell PowerEdge R640 full specifications on Dell logo

 

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