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Technical Data Sheet
PartsTable / MEMORY / 627812-B21
627812-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 16GB (1*16GB) 2RX4 PC3L-10600R DDR3-1333MHZ 1.35V RDIMM

HP 16GB (1*16GB) 2RX4 PC3L-10600R DDR3-1333MHZ 1.35V RDIMM. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-616-1675, 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→ 627812-B21
NSN: 7025-01-616-1675
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number627812-B21
ManufacturerHP
InterfaceDDR3
Capacity16GB
Speed1333MHz
NSN7025-01-616-1675
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC3 1333MHz RDIMM HP NOTCH ~133.35 mm DDR3 RDIMM | 16GB | 1333MHz | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 627812-B21 MFR HP 16GB 1333MHz
KEY FEATURES
•
DDR3 Interface
•
16GB Capacity
•
1333MHz Speed
•
DDR3 RDIMM
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
632204-001Compatible
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel
compatible
628974-081Compatible
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel
compatible
A0R59ACompatible
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
A0R59ASUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel
HPE
628974-081SUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel
HPE
632204-001SUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel
HPE
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FREQUENTLY ASKED QUESTIONS
What is 627812-B21?
627812-B21 is a HP 16GB (1*16gb) 2Rx4 Pc3l-10600r DDR3-1333MHZ 1.35V RDIMM manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 627812-B21?
There are 3 known substitutes for 627812-B21: 632204-001, 628974-081, A0R59A. Substitute compatibility should be verified for your specific system.
What is the NSN for 627812-B21?
627812-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-616-1675. 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