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4X77A90963 Server memory · Illustration, not to scale
Lenovo · Server memory

4X77A90963

Lenovo ThinkSystem TruDDR5 16GB 6400MHz 1Rx8 RDIMM

  • Genuine Lenovo
  • New, factory sealed

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  • Tax invoiceIssued by Rabash Technologies Pte. Ltd., Singapore

4X77A90963 at a glance

  • Lenovo ThinkSystem TruDDR5 16GB 6400MHz 1Rx8 RDIMM
  • Capacity: 16GB
  • Type: DDR5 RDIMM
  • Speed: 6400MHz
  • Rank: 1Rx8
  • Fits: ThinkSystem SR650 V4; ThinkSystem SR630 V4
  • New, factory sealed

Specifications

Part number4X77A90963
BrandLenovo
SeriesThinkSystem
Capacity16GB
TypeDDR5 RDIMM
Speed6400MHz
Rank1Rx8
FitsThinkSystem SR650 V4; ThinkSystem SR630 V4
ConditionNew, factory sealed

Compatibility

  • ThinkSystem SR650 V4
  • ThinkSystem SR630 V4

Description

This 16GB TruDDR5 RDIMM has a 1Rx8 organisation and a published 6400MHz rating. Lenovo lists the exact option for ThinkSystem SR650 V4 and SR630 V4. For P-core systems, use 1, 4 or 8 modules per processor; water-cooled memory configurations have separate population limits. Install identical option numbers and balance quantities across two processors. Actual speed depends on the processor and population, reaching up to 6400MHz at one DIMM per channel and 5200MHz at two. This option is restricted to P-core processors in the SR630 V4.

Typical uses

  • Expanding compatible server memory
  • Replacing a matching memory module

Before you order

  1. Check memory generation, rank and host compatibility
  2. Follow the host memory population rules
  3. Confirm the listing condition and included items

FAQ

What condition is the 4X77A90963?

This listing is new, factory sealed.

Shipping and returns

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Related part numbers

4X77A90964 ThinkSystem · Server memory Price on request 4X77A90965 ThinkSystem · Server memory Price on request 4X77A90966 ThinkSystem · Server memory Price on request

Product guides & buying advice

Lenovo 4X77A90963: memory upgrade planningPlan 4X77A90963 with its exact specifications, configuration checks and nearby Lenovo models. Includes manufacturer references and quote checklist.Read guide →Refurbished vs new hardwareCompare condition, accessories, inspection evidence and seller coverage before ordering.Read guide →Server memory and drivesCheck platform compatibility, population rules, storage paths and SSD workload needs.Read guide →

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