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77P8632 ✓ Verified by PartsTable
IBM · 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
IBM 8GB 1X8GB PC3-8500R DIMM

The IBM 8GB 1x8gb Pc3-8500r Dimm is a IBM memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-628-9218, indicating validated use in U.S.

government and defense logistics supply chains. 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→ 77P8632
NSN: 5998-01-628-9218
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 30874 — INTERNATIONAL BUSINESS MACHINES CORPORATION DBA IBM (USA)
SPECIFICATIONS
Part Number77P8632
ManufacturerIBM
Capacity8GB
NSN5998-01-628-9218
COMPONENT DIAGRAM
ECC 8GB 2Rx4 PC4 — RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 8GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 77P8632 MFR IBM 8GB —
KEY FEATURES
•
8GB Capacity
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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONENROUTE AUTOMATION MODERNIZATION (ERAM)
PART NAME ASSIGNED BY CONTROLLING AGENCYMEMORY
SPECIAL FEATURES16GB (2X8GB) MEMORY DIMMS, 1066 MHZ, DDR3 DRAM GB
END ITEM IDENTIFICATIONENROUTE AUTOMATION MODERNIZATION (ERAM)
PART NAME ASSIGNED BY CONTROLLING AGENCYMEMORY
SPECIAL FEATURES16GB (2X8GB) MEMORY DIMMS, 1066 MHZ, DDR3 DRAM GB
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77P8632?
77P8632 is a IBM 8GB 1x8gb Pc3-8500r Dimm manufactured by IBM. It is classified as a MEMORY (RDIMM).
What is the NSN for 77P8632?
77P8632 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-628-9218. This indicates validated use in U.S. government and defense supply chains.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026