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Dell PowerEdge R420XR Memory Upgrades βœ“Β­ Guaranteed Compatible

Make & ModelDell PowerEdge R420XR
Total Memory Slots12
Maximum Memory384GB

It's easy to buy Dell PowerEdge R420XR memoryΒ 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 TypeΒ Β Β Β SpeedΒ Β Β Β Configuration GuideΒ Β Β Β 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!

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Made By

Showing 1–50 of 62 results

Part # Part Number Made By Capacity Speed Form Factor Price
A5681560
A5681560
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM Request For Quote
A5681562
A5681562
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM Request For Quote
A5816803
A5816803
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM Request For Quote
A5816810
A5816810
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM Request For Quote
A5816825
A5816825
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM Request For Quote
A5816827
A5816827
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM Request For Quote
A6996786
A6996786
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM Request For Quote
SNPD65JJC/4G
SNPD65JJC/4G
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM Request For Quote
SNPN1TP1C/4G
SNPN1TP1C/4G
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1600 RDIMM $ 34 Buy Now
9J5WF
9J5WF
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A3965765
A3965765
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM Request For Quote
A4051430
A4051430
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM Request For Quote
A4188257
A4188257
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM Request For Quote
A4837577
A4837577
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849715
A4849715
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849716
A4849716
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849719
A4849719
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849720
A4849720
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849721
A4849721
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849722
A4849722
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849723
A4849723
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849724
A4849724
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849725
A4849725
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849726
A4849726
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A4849727
A4849727
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A5185911
A5185911
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A5272865
A5272865
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A5816813
A5816813
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
A6994477
A6994477
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM Request For Quote
A6996785
A6996785
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
SNP9J5WFC/4G
SNP9J5WFC/4G
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 14 Buy Now
SNPH5DDHC/4G
SNPH5DDHC/4G
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
SNPMFTJTC/4G
SNPMFTJTC/4G
Memory for Dell PowerEdge R420XR
Original Replacement 1x 4GB DDR3-1333 RDIMM $ 24 Buy Now
M393B5173QH0-YK0
M393B5173QH0‐YK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5273CH0-CK0
M393B5273CH0‐CK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5273CH0-YK0
M393B5273CH0‐YK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5273DH0-CK0
M393B5273DH0‐CK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5273DH0-YK0
M393B5273DH0‐YK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5273EB0-CK0
M393B5273EB0‐CK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5273EB0-YK0
M393B5273EB0‐YK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5273QB0-CK0
M393B5273QB0‐CK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5273QB0-YK0
M393B5273QB0‐YK0
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1600 RDIMM Request For Quote
M393B5170GB0-YH9
M393B5170GB0‐YH9
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1333 RDIMM Request For Quote
M393B5270CH0-YH9
M393B5270CH0‐YH9
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1333 RDIMM $ 12 Buy Now
M393B5270DH0-YH9
M393B5270DH0‐YH9
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1333 RDIMM $ 12 Buy Now
M393B5273CH0-YH9
M393B5273CH0‐YH9
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
M393B5273DH0-YH9
M393B5273DH0‐YH9
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1333 RDIMM $ 18 Buy Now
M393B5273EB0-YH9
M393B5273EB0‐YH9
Memory for Dell PowerEdge R420XR
SAMSUNG 1x 4GB DDR3-1333 RDIMM Request For Quote
HMT351R7BFR8C-PB
HMT351R7BFR8C‐PB
Memory for Dell PowerEdge R420XR
SK HYNIX 1x 4GB DDR3-1600 RDIMM Request For Quote
HMT351R7CFR8C-PB
HMT351R7CFR8C‐PB
Memory for Dell PowerEdge R420XR
SK HYNIX 1x 4GB DDR3-1600 RDIMM Request For Quote

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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