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Original Replacement Memory

AD258631 - Dell 1x 256GB DDR5-6400 RDIMM PC5-51200R Octa Rank x4 Replacement

32 in stock $ 2,608

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Have a question about the AD258631 - Dell 1x 256GB DDR5-6400 RDIMM PC5-51200R Octa Rank x4 Replacement?
Our technical support can help you with any question to ensure AD258631 is right for your system.

100% Guaranteed
Compatible

This AD258631 replacement is a proven memory product. It's either approved, certified or OEM qualified to ensure total reliability.

Quick Advance
Replacement

Nothing is perfect. Sometimes things happen. If your AD258631 replacement upgrade fails at anytime–we will ship a replacement same day. We support your AD258631 memory purchase long after the sale.

GET REAL

AD258631

Get ➔ Lifetime warranty ✓ Great savings ✓ Buy factory original AD258631 compatible replacement memory modules configured to your Dell PowerEdge system.

The Truth in Memory

Dell does not manufacture memory! They buy from one of only three original memory module makers. Samsung, Hynix and Micron make the DRAM and assemble modules. They sell to the world’s largest system manufacturers including, Dell.

Guaranteed by federal law - This AD258631, Dell 256GB (1x 256GB) Octal Rank x4 PC5-51200R (DDR5-6400) Registered CAS-52 Memory Kit equivalent made by Samsung Logo, SK Hynix Logo or Micron Logo does not affect or void Dell warranties.

The right memory. At the right price. Right here for you.

AD258631 Memory Price Trend

Last updated: 23 July 2025
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Lifetime Warranty

Lifetime Warranty

Never worry. We support you long after the sale. If any module ever fails–we will replace at zero cost to you!

Features

Weight 0.1 lbs
Dimensions 0.5 × 2 × 8 in
Form Factor

RDIMM

Kit Qty

1x 256GB

Technology

DDR5-6400

Error Correction Code

ECC

Voltage

1.1V

Height

STD

Rank

8Rx4

Speed

PC5-51200R

Cas Latency

CL52

Used In

Dell

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AD258631

AD258631 Specifications

Capacity
256GB
Memory Type
DDR5
ECC
ECC
DIMM Type
RDIMM
Rank
8Rx4
Speed
6400
Voltage
1.1V
Height
STD
Qty
1
Module Name
PC5-51200R
Form Factor
DIMM
Width
x40
Pins
288-pin
Depth
32G
Chip Size
16Gb
Banks
32 Banks
Organization
x4
Package
FBGA (Halogen-free & Lead-free, 2H TSV)
Frequency
3200
CL
52
TRCD
52
TRP
52
 

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