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Technical Data Sheet
450260-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 2GB DUAL RANK PC2-6400(DDR2-800) UNBUFFERED

HP 2GB DUAL RANK PC2-6400(DDR2-800) UNBUFFERED. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-576-9447, 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 450260-B21
NSN: 5962-01-576-9447
FSC: 5962
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number450260-B21
ManufacturerHP
Capacity2GB
NSN5962-01-576-9447
COMPONENT DIAGRAM
ECC 2GB 2Rx4 PC4 RDIMM HP 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 450260-B21 MFR HP 2GB —
KEY FEATURES
2GB Capacity
MEMORY DEVICE TYPE: RAM
MEMORY CAPACITY: 2GB GB
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)
OVERALL LENGTH4.500 INCHES NOMINAL IN
MEMORY DEVICE TYPERAM
OVERALL HEIGHT7.000 INCHES NOMINAL IN
MEMORY CAPACITY2GB GB
OVERALL WIDTH1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
460424-001Compatible
HP 2Gb PC2-6400E 800Mhz ECC UB DR x8 CL6 240-Pin DIMM - Intel
compatible
445167-061Compatible
HP 2Gb PC2-6400E 800Mhz ECC UB DR x8 CL6 240-Pin DIMM - Intel
compatible
450264-B21Compatible
HP 2Gb PC2-6400E 800Mhz ECC UB DR x8 CL6 240-Pin (1x2Gb) Memory Kit - Intel
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
445167-061SUBSTITUTE
HP 2Gb PC2-6400E 800Mhz ECC UB DR x8 CL6 240-Pin (1x2Gb) Memory Kit - Intel
HPE
450264-B21SUBSTITUTE
HP 2Gb PC2-6400E 800Mhz ECC UB DR x8 CL6 240-Pin (1x2Gb) Memory Kit - Intel
HPE
460424-001SUBSTITUTE
HP 2Gb PC2-6400E 800Mhz ECC UB DR x8 CL6 240-Pin (1x2Gb) Memory Kit - Intel
HPE
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FREQUENTLY ASKED QUESTIONS
What is 450260-B21?
450260-B21 is a HP 2GB Dual Rank Pc2-6400(ddr2-800) Unbuffered manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 450260-B21?
There are 3 known substitutes for 450260-B21: 460424-001, 445167-061, 450264-B21. Substitute compatibility should be verified for your specific system.
What is the NSN for 450260-B21?
450260-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-576-9447. This indicates validated use in U.S. government and defense supply chains.
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