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Technical Data Sheet
397413R-B21 ✓ Verified by PartsTable
HP · 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

HP 4GB FULLY BUFFERED DIMM PC2-5300 2X2GB DDR2 MEMORY KIT. Key specifications include special_features: HP 4GB FBD PC2-5300 2X2GB KIT GB, end_item_identification: 00554671(28480), SERVER ML370G5 RACKMOUNT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-559-2618, 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 397413R-B21
NSN: 5998-01-559-2618
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: A4944 — HEWLETT PACKARD ITALIANA SRL (ITA)
SPECIFICATIONS
special_featuresHP 4GB FBD PC2-5300 2X2GB KIT GB
end_item_identification00554671(28480), SERVER ML370G5 RACKMOUNT
NSN5998-01-559-2618
COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC4 RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 4GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 397413R-B21 MFR HP 4GB —
KEY FEATURES
4GB 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 FEATURESHP 4GB FBD PC2-5300 2X2GB KIT GB
END ITEM IDENTIFICATION00554671(28480), SERVER ML370G5 RACKMOUNT
SPECIAL FEATURESHP 4GB FBD PC2-5300 2X2GB KIT GB
END ITEM IDENTIFICATION00554671(28480), SERVER ML370G5 RACKMOUNT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
397413-B21Interchangeable
HP 4GB Fully Buffered Dimm Pc2-5300 2x2gb Ddr2 Memory Kit
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 397413R-B21?
397413R-B21 is a HP 4GB FULLY BUFFERED DIMM PC2-5300 2X2GB DDR2 MEMORY KIT manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 397413R-B21?
There is 1 known substitute for 397413R-B21: 397413-B21. Substitute compatibility should be verified for your specific system.
What is the NSN for 397413R-B21?
397413R-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-559-2618. This indicates validated use in U.S. government and defense supply chains.
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