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Technical Data Sheet
PartsTable / MEMORY / 452-6
452-6 ✓ 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 (2x 4GB) PC3-8500 DDR3 ECC 1066MHz DIMMS

IBM 8GB (2x 4GB) PC3-8500 DDR3 ECC 1066MHz DIMMS. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-980-2767, 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→ 452-6
NSN: 6625-00-980-2767
FSC: 6625
CAGE: 0EP33 — IRD MECHANALYSIS INC (USA)
SPECIFICATIONS
Part Number452-6
ManufacturerIBM
InterfaceDDR3
Capacity8GB
Speed1066MHz
NSN6625-00-980-2767
COMPONENT DIAGRAM
ECC 8GB 2Rx4 PC3 1066MHz RDIMM IBM NOTCH ~133.35 mm DDR3 RDIMM | 8GB | 1066MHz | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 452-6 MFR IBM 8GB 1066MHz
KEY FEATURES
•
DDR3 Interface
•
8GB Capacity
•
1066MHz Speed
•
DDR3 Memory
•
OVERALL DIAMETER: 2.190 INCHES NOMINAL IN
•
COMPONENT TYPE AND QUANTITY: 1 SENSOR AND 1 CONNECTOR AND 1 HOUSING
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 IDENTIFICATIONVIBRATION ANALYZER
OVERALL DIAMETER2.190 INCHES NOMINAL IN
OVERALL LENGTH4.781 INCHES NOMINAL IN
SPECIAL FEATURESFSC APPLICATION DATA:TEST SET,ELECTRONIC EQUIPMENT
COMPONENT TYPE AND QUANTITY1 SENSOR AND 1 CONNECTOR AND 1 HOUSING
END ITEM IDENTIFICATIONVIBRATION ANALYZER
OVERALL DIAMETER2.190 INCHES NOMINAL IN
OVERALL LENGTH4.781 INCHES NOMINAL IN
SPECIAL FEATURESFSC APPLICATION DATA:TEST SET,ELECTRONIC EQUIPMENT
COMPONENT TYPE AND QUANTITY1 SENSOR AND 1 CONNECTOR AND 1 HOUSING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4526Interchangeable
IBM 8GB (2x4GB) Memory DIMMs, 1066 MHz, 2Gb DDR3 DRAM
interchangeable
526-6884-000Interchangeable
interchangeable cross-reference
interchangeable
678-0084-000Interchangeable
interchangeable cross-reference
interchangeable
20166Interchangeable
interchangeable cross-reference
interchangeable
4526-1Interchangeable
interchangeable cross-reference
interchangeable
S1216-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 452-6?
452-6 is a IBM 8GB (2x4GB) Memory DIMMs, 1066 MHz, 2Gb DDR3 DRAM manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 452-6?
There are 11 known substitutes for 452-6: 4526, 526-6884-000, 678-0084-000 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 452-6?
452-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-980-2767. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026