397411R-B21 — Memory Specs & Substitutes

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HPE · MRO · MRO_GENERAL

WHAT YOU NEED TO KNOW

2Rx4 = Dual Rank ×4 chip width (standard server) RDIMM = Registered (servers) | LRDIMM = Load-Reduced (max density)

DDR3 ≠ DDR4 ≠ DDR5 — physically incompatible (notch position)

PRODUCT OVERVIEW

HP 2GB Fully Buffered DIMM PC2-5300 2x1GB DDR2 Memory Kit memory module 240-pin DIMM ECC. Key specifications include part_name_assigned_by_controlling_agency: MEMORY - 2 GB (2 X 1 GB) - FB-DIMM-DDR11 GB. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-549-2184, 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

MRO→ MRO_GENERAL→ 397411R-B21

NSN: 5998-01-549-2184
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: A4944 — HEWLETT PACKARD ITALIANA SRL (ITA)

SPECIFICATIONS

part_name_assigned_by_controlling_agency	MEMORY - 2 GB (2 X 1 GB) - FB-DIMM-DDR11 GB
NSN	5998-01-549-2184

COMPONENT DIAGRAM

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 (FLIS)

PART NAME ASSIGNED BY CONTROLLING AGENCY	MEMORY - 2 GB (2 X 1 GB) - FB-DIMM-DDR11 GB
PART NAME ASSIGNED BY CONTROLLING AGENCY	MEMORY - 2 GB (2 X 1 GB) - FB-DIMM-DDR11 GB

VERIFIED SUBSTITUTES & CROSS-REFERENCES 1

397411-B21Interchangeable

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 397411R-B21?

397411R-B21 is a HP 2GB Fully Buffered DIMM PC2-5300 2x1GB DDR2 Memory Kit memory module 240-pin DIMM ECC manufactured by HPE. It is classified as a MRO (MRO_GENERAL).

What parts can replace 397411R-B21?

There is 1 known substitute for 397411R-B21: 397411-B21. Substitute compatibility should be verified for your specific system.

What is the NSN for 397411R-B21?

397411R-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-549-2184. This indicates validated use in U.S. government and defense supply chains.

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397411R-B21 — Memory Specs & Substitutes

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