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Dell Alienware X51 R2 Memory Upgrades ✓­ Guaranteed Compatible

Make & Model:Dell Alienware X51 R2

It's easy to buy Dell Alienware X51 R2 memory here.

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Have a question about your Dell Alienware X51 R2 memory upgrade? Our technical support can help you with any question to ensure you get the best module option for your Dell Alienware X51 R2 system.

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Get proven Dell Alienware X51 R2 memory upgrades here. We ship approved, certified and OEM qualified modules to ensure total Dell Alienware X51 R2 system memory reliability.

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Nothing is perfect. Sometimes things happen. If your Dell Alienware X51 R2 memory upgrade fails at anytime–we will ship a replacement same day. We support your Dell Alienware X51 R2 memory purchase long after the sale.

Meet the increasing demands of your applications with more Dell Alienware X51 R2 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 all 43 results

Part #Part NumberMade ByCapacitySpeedForm FactorPrice

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR4-2400UDIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR4-2400UDIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR4-2400UDIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR3-1600UDIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR3-1600UDIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR3-1600UDIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR3-1600UDIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 4GBDDR3-1600UDIMM $ 24 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 4GBDDR3-1600UDIMM $ 24 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 4GBDDR3-1600UDIMM $ 24 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR3-1600SODIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR3-1600SODIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR3-1600SODIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
Original Replacement1x 8GBDDR3-1600SODIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR4-2400UDIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR4-2400UDIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR3-1600UDIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR3-1600UDIMM Request For Quote

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR3-1600UDIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR3-1600UDIMM Request For Quote

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR3-1600UDIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 4GBDDR3-1600UDIMM $ 39 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 4GBDDR3-1600UDIMM $ 24 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 4GBDDR3-1600UDIMM $ 24 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR3-1600SODIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR3-1600SODIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
SAMSUNG1x 8GBDDR3-1600SODIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
SK HYNIX1x 8GBDDR4-2400UDIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
SK HYNIX1x 8GBDDR3-1600UDIMM Request For Quote

Memory for Dell Alienware X51 R2
SK HYNIX1x 8GBDDR3-1600UDIMM Request For Quote

Memory for Dell Alienware X51 R2
SK HYNIX1x 8GBDDR3-1600UDIMM Request For Quote

Memory for Dell Alienware X51 R2
SK HYNIX1x 8GBDDR3-1600UDIMM Request For Quote

Memory for Dell Alienware X51 R2
SK HYNIX1x 4GBDDR3-1600UDIMM $ 24 Buy Now

Memory for Dell Alienware X51 R2
SK HYNIX1x 4GBDDR3-1600UDIMM $ 24 Buy Now

Memory for Dell Alienware X51 R2
SK HYNIX1x 4GBDDR3-1600UDIMM Request For Quote

Memory for Dell Alienware X51 R2
SK HYNIX1x 8GBDDR3-1600SODIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
SK HYNIX1x 8GBDDR3-1600SODIMM $ 44 Buy Now

Memory for Dell Alienware X51 R2
SK HYNIX1x 8GBDDR3-1600SODIMM Request For Quote

Memory for Dell Alienware X51 R2
MICRON1x 8GBDDR4-2400UDIMM Request For Quote

Memory for Dell Alienware X51 R2
MICRON1x 8GBDDR4-2400UDIMM Request For Quote

Memory for Dell Alienware X51 R2
MICRON1x 8GBDDR3-1600UDIMM $ 48 Buy Now

Memory for Dell Alienware X51 R2
MICRON1x 4GBDDR3-1600UDIMM $ 39 Buy Now

Memory for Dell Alienware X51 R2
CRUCIAL1x 8GBDDR3-1600SODIMM $ 44 Buy Now

Learn more about Dell Alienware X51 R2 memory

What Dell Alienware X51 R2 DIMM type is supported?

SODIMM and UDIMM

Why are there various DIMM types supported?

Factory configured X51 R2 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 an unbuffered memory module?

Unbuffered, non-registered DIMM memory modules have no buffer/register component between the DRAM modules and the motherboard memory controller. Faster

What Dell Alienware X51 R2 memory speed is supported?

DDR3-1600 and DDR4-2400

Why may there be various speeds of Dell Alienware X51 R2 memory?

Some servers often have various configurations and versions. If you are unsure what you need, please refer to your X51 R2 manual or data sheet. If you need tech support, please contact us.

General DIMM population guideline for Dell Alienware X51 R2 upgrade to consider.

Some may or may not apply.

  • Do not mix DIMM SODIMM and UDIMM types.
  • 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 Alienware X51 R2 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 Alienware X51 R2 upgrades. All modules listed are qualified to work in your Dell Alienware X51 R2.

 

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