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4X77A88052 ✓ Verified by PartsTable
LENOVO · MEMORY · RDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW

Memory reliability, performance and quality are even more critical today as customers utilize greater memory capacities for Big Data Analytics, Cloud Computing, Virtualization, Database and High Performance Computing workloads. Lenovo offers TruDDR5 and TruDDR4 Memory portfolio for ThinkSystem servers which help dramatically improve workload performance. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MEMORY→ RDIMM→ 4X77A88052
SPECIFICATIONS
Component forServer
Internal memory64 GB
Memory clock speed5600 MHz
Memory form factor288-pin DIMM
Buffered memory typeRegistered (buffered)
Internal memory typeDDR5
Memory layout (modules x size)1 x 64 GB
COMPONENT DIAGRAM
ECC 64GB 2Rx4 PC4 5600MHz RDIMM LENOV NOTCH ~133.35 mm DDR4 RDIMM | 64GB | 5600MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 4X77A88052 MFR LENOVO 64GB 5600MHz
KEY FEATURES
•
Up to 64 GB
•
DDR5 Interface
•
64GB Capacity
•
5600MHz Speed
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4X77A88052?
4X77A88052 is a Lenovo 64GB TruDDR5 5600MHz (2Rx4) 10x4 RDIMM manufactured by LENOVO. It is classified as a MEMORY (RDIMM).
Is 4X77A88052 still available?
4X77A88052 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026