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Dell PowerEdge R420XR Memory Upgrades ✓­ Guaranteed Compatible

Make & ModelDell PowerEdge R420XR
Total Memory Slots12
Maximum Memory384GB

It's easy to buy Dell PowerEdge R420XR memory here.

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Support

Have a question about your Dell PowerEdge R420XR memory upgrade? Our technical support can help you with any question to ensure you get the best module option for your Dell PowerEdge R420XR system.

100% Guaranteed
Compatible

Get proven Dell PowerEdge R420XR memory upgrades here. We ship approved, certified and OEM qualified modules to ensure total Dell PowerEdge R420XR system memory reliability.

Quick Advance
Replacement

Nothing is perfect. Sometimes things happen. If your Dell PowerEdge R420XR memory upgrade fails at anytime–we will ship a replacement same day. We support your Dell PowerEdge R420XR memory purchase long after the sale.

Meet the increasing demands of your applications with more Dell PowerEdge R420XR 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 214 results

Part #Part NumberMade ByCapacitySpeedForm FactorPrice
0284FC

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
284FC

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
319-1812

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
319-1943

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
370-21961

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
370-AAGI

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
A5940905

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
A5940906

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
A6761613

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
A6994465

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
A6996807

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
A7515505

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
A8255125

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
CPA-JDF1M

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
JDF1M

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
JR5VJ

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
P12GC

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
SNP20D6FC/16G

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
SNPJDF1MC/16G

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
SNPT8XR5C/16G

Memory for Dell PowerEdge R420XR
Original Replacement1x 16GBDDR3-1600RDIMM $ 40 Buy Now
A5681559

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 18 Buy Now
A5681561

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 18 Buy Now
A5816804

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 18 Buy Now
A5816812

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 18 Buy Now
A5816819

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 18 Buy Now
A6761616

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 20 Buy Now
A7134886

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 20 Buy Now
A7545680

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 20 Buy Now
A7990613

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 28 Buy Now
RKR5J

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 20 Buy Now
SNPPKCG9C/8G

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 28 Buy Now
SNPRKR5JC/8G

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 20 Buy Now
SNPRVY55C/8G

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 20 Buy Now
SNPRYK18C/8G

Memory for Dell PowerEdge R420XR
Original Replacement1x 8GBDDR3-1600RDIMM $ 18 Buy Now
A5681560

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM Request For Quote
A5681562

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM Request For Quote
A5816803

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM Request For Quote
A5816810

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM Request For Quote
A5816825

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM Request For Quote
A5816827

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM Request For Quote
A6996786

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM Request For Quote
SNPD65JJC/4G

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM Request For Quote
SNPN1TP1C/4G

Memory for Dell PowerEdge R420XR
Original Replacement1x 4GBDDR3-1600RDIMM $ 34 Buy Now
A6222872

Memory for Dell PowerEdge R420XR
Original Replacement1x 32GBDDR3-1333RDIMM $ 78 Buy Now
A6222874

Memory for Dell PowerEdge R420XR
Original Replacement1x 32GBDDR3-1333RDIMM $ 78 Buy Now
A6994464

Memory for Dell PowerEdge R420XR
Original Replacement1x 32GBDDR3-1333RDIMM $ 78 Buy Now
A6994476

Memory for Dell PowerEdge R420XR
Original Replacement1x 32GBDDR3-1333RDIMM $ 78 Buy Now
SNP0R45JC/32G

Memory for Dell PowerEdge R420XR
Original Replacement1x 32GBDDR3-1333RDIMM $ 78 Buy Now
SNPG5DJ5C/32G

Memory for Dell PowerEdge R420XR
Original Replacement1x 32GBDDR3-1333RDIMM $ 78 Buy Now
SNPM9FKFC/32G

Memory for Dell PowerEdge R420XR
Original Replacement1x 32GBDDR3-1333RDIMM $ 78 Buy Now

Learn more about Dell PowerEdge R420XR memory

What Dell PowerEdge R420XR DIMM type is supported?

RDIMM

Why are there various DIMM types supported?

Factory configured R420XR 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 Dell PowerEdge R420XR memory speed is supported?

DDR3-1333 and DDR3-1600

Why may there be various speeds of Dell PowerEdge R420XR memory?

Some servers often have various configurations and versions. If you are unsure what you need, please refer to your R420XR manual or data sheet. If you need tech support, please contact us.

General DIMM population guideline for Dell PowerEdge R420XR upgrade to consider.

Some may or may not apply.

  • If mixing memory speeds, all 12 DIMMs run at the lowest DDR3-1333 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 R420XR 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 R420XR upgrades. All modules listed are qualified to work in your Dell PowerEdge R420XR.


 

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