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77P6499 — IBM 2GB PC2-5300 DDR2-667MHz SERVER ECC RAM 4522

✓ Government record, cited
IBM · MEMORY · RDIMM
PRODUCT OVERVIEW

77P6499: IBM 2GB PC2-5300 DDR2-667MHz SERVER ECC RAM 4522.

IBM 2GB PC2-5300 DDR2-667MHz SERVER ECC RAM 4522. Key specifications include SPECIAL FEATURES: 4096MB (2X2048MB) RDIMMS, 667 MHZ 512MB DRAM MB, END ITEM IDENTIFICATION: ATOPS, PART NAME ASSIGNED BY CONTROLLING AGENCY: 4096MB RDIMMS MB. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-576-3542, 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→ 77P6499
NSN: 7025-01-576-3542
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 30874 — INTERNATIONAL BUSINESS MACHINES CORPORATION DBA IBM (USA)
SPECIFICATIONS
SPECIAL FEATURES4096MB (2X2048MB) RDIMMS, 667 MHZ 512MB DRAM MB
END ITEM IDENTIFICATIONATOPS
PART NAME ASSIGNED BY CONTROLLING AGENCY4096MB RDIMMS MB
NSN7025-01-576-3542
COMPONENT DIAGRAM
ECC 2GB 2Rx4 PC4 — RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 2GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 77P6499 MFR IBM 2GB —
KEY FEATURES
•
2GB 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
SPECIAL FEATURES4096MB (2X2048MB) RDIMMS, 667 MHZ 512MB DRAM MB
PART NAME ASSIGNED BY CONTROLLING AGENCY4096MB RDIMMS MB
END ITEM IDENTIFICATIONATOPS
OTHER ITEMS IN FSC 7025 — Information Technology Input/output and Storage Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7025-00-001-2681 7025-00-001-5588 7025-00-001-6998 7025-00-001-6999 7025-00-001-7000 7025-00-001-7025 7025-00-001-7026 7025-00-001-7027
SUBSTITUTES & CROSS-REFERENCES 1
4522SubstituteBROKER-VERIFIED
IBM 4GB Memory Kit (2x 2048MB) PC2-5300 667MHz RDIMMs
substitute
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 77P6499?
77P6499 is a IBM 2GB PC2-5300 DDR2-667MHz SERVER ECC RAM 4522 manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 77P6499?
There is 1 known substitute for 77P6499: 4522. Substitute compatibility should be verified for your specific system.
What is the NSN for 77P6499?
77P6499 is cataloged in the U.S. Government catalog under NSN 7025-01-576-3542. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.