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Lenovo 4X77A64957 product image
Lenovo

Lenovo ThinkSystem 256GB DDR4 2933MT/s 8Rx4 3DS RDIMM Performance+

MPN4X77A64957

The Lenovo ThinkSystem 4X77A64957 is a 256GB 8Rx4 3DS RDIMM at 2933MT/s with ECC and 1.2V, listed for the ThinkSystem SR950.

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  • 1 year warranty
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Lenovo ThinkSystem 256GB DDR4 2933MT/s 8Rx4 3DS RDIMM Performance+

4X77A64957 · Refurbished · 1 year warranty

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Overview

A 256GB module is a statement about capacity, and the Lenovo ThinkSystem 4X77A64957 is built that way: an 8Rx4 3DS RDIMM running DDR4 at 2933MT/s, 1.2V, with ECC, marked Performance+.

3DS means the module stacks DRAM dies to reach this density, which is why the rank count reads 8Rx4. Listed compatible system: Lenovo ThinkSystem SR950, a four-socket-class platform. Its feature code is B5NA.

Buyers choose modules of this size when a database or in-memory workload needs a very large total pool and every slot counts. Check how many DIMMs per channel your SR950 build supports at this speed.

We can supply the 4X77A64957 refurbished with a choice of 1 year or 3 years of warranty, or used with 90 days. No new unit is listed. Send us the quantity and the server details and we will reply with pricing.

Specifications

Lenovo 4X77A64957 specifications
Manufacturer part number4X77A64957
BrandLenovo
ECCYes
Rank / organization8Rx4
Speed2,933 MT/s
Voltage1.2 V
Capacity256 GB
Memory typeDDR4
Module type3DS RDIMM
Feature codeB5NA
Performance tierPerformance+
Compatible systemsLenovo ThinkSystem / System x: SR950

Specifications from the manufacturer's datasheet ↗

Compatibility

The manufacturer lists this part for:

Lenovo ThinkSystem / System x: SR950

Not sure it fits? Add your system model to the message in your request and we will check before you order.

FAQ

What kind of module is the 4X77A64957?
A 256GB 8Rx4 3DS RDIMM, DDR4 at 2933MT/s, 1.2V, ECC.
Which system is listed?
The Lenovo ThinkSystem SR950.
What is the feature code?
B5NA.
Which conditions are offered?
Refurbished (1 year or 3 years) and used (90 days).

Can't find the exact part?

Send us the part number. We search our supplier network for new, refurbished and used stock and reply within 1 business day.

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