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HYMD512646CP8J-D43 — Memory Specs & Substitutes

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— · 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

1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM. Key specifications include special_features: MEMORY MODULE, 1GB DDR 400MHZ GB, end_item_identification: DALR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-567-3472, 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→ HYMD512646CP8J-D43
NSN: 7025-01-567-3472
FSC: 7025
CAGE: 0N1B7 — HYNIX SEMICONDUCTOR AMERICA (USA)
SPECIFICATIONS
special_featuresMEMORY MODULE, 1GB DDR 400MHZ GB
end_item_identificationDALR
NSN7025-01-567-3472
COMPONENT DIAGRAM
ECC 1GB 2Rx4 PC4 — RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | 1GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN HYMD512646CP8J-D43 MFR OEM 1GB —
KEY FEATURES
•
1GB 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)
SPECIAL FEATURESMEMORY MODULE, 1GB DDR 400MHZ GB
END ITEM IDENTIFICATIONDALR
SPECIAL FEATURESMEMORY MODULE, 1GB DDR 400MHZ GB
END ITEM IDENTIFICATIONDALR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
M368L2923DUN-CCCInterchangeable
Same NIIN cross-reference
interchangeable
601F0048-51Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other
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FREQUENTLY ASKED QUESTIONS
What is HYMD512646CP8J-D43?
HYMD512646CP8J-D43 is a 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM. It is classified as a MEMORY (RDIMM).
What parts can replace HYMD512646CP8J-D43?
There are 2 known substitutes for HYMD512646CP8J-D43: M368L2923DUN-CCC, 601F0048-51. Substitute compatibility should be verified for your specific system.
What is the NSN for HYMD512646CP8J-D43?
HYMD512646CP8J-D43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-567-3472. 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: August 2026