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647901B21 — HP 16GB (1x16GB) Dual Rank x4 PC3L-10600R (DDR3-1333)

✓ Government record, cited
HP · MEMORY · RDIMM
PRODUCT OVERVIEW

647901B21: HP 16GB (1x16GB) Dual Rank x4 PC3L-10600R (DDR3-1333).

HP 16GB (1x16GB) Dual Rank x4 PC3L-10600R (DDR3-1333). This part is cataloged in the U.S. Government catalog under NSN 5962-01-626-4454, 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→ 647901B21
NSN: 5962-01-626-4454
FSC: 5962 — Microcircuits, Electronic
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number647901B21
ManufacturerHP
InterfaceDDR3
Capacity16GB
NSN5962-01-626-4454
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COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC3 — RDIMM HP NOTCH ~133.35 mm DDR3 RDIMM | 16GB | — | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 647901B21 MFR HP 16GB —
KEY FEATURES
•
DDR3 Interface
•
16GB Capacity
•
DDR3 Memory
•
BODY WIDTH: 3.500 INCHES NOMINAL IN
•
BODY HEIGHT: 0.750 INCHES NOMINAL IN
•
MEMORY DEVICE TYPE: PROGRAMMABLE
•
BODY LENGTH: 8.500 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 240 PIN
•
MEMORY CAPACITY: 16 MB MB
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
BODY WIDTH3.500 INCHES NOMINAL IN
BODY HEIGHT0.750 INCHES NOMINAL IN
MEMORY DEVICE TYPEPROGRAMMABLE
BODY LENGTH8.500 INCHES NOMINAL IN
SPECIAL FEATURESDDR3-1333/PC3-10600R
PART NAME ASSIGNED BY CONTROLLING AGENCYREGISTERED CAS-9 LOW VOLTAGE MEMORY KIT
TERMINAL TYPE AND QUANTITY240 PIN
MEMORY CAPACITY16 MB MB
OTHER ITEMS IN FSC 5962 — Microcircuits, Electronic
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5962-00-001-1861 5962-00-001-1901 5962-00-001-1902 5962-00-001-1905 5962-00-001-1906 5962-00-001-1907 5962-00-001-1908 5962-00-001-1909
SUBSTITUTES & CROSS-REFERENCES 6
647653081SubstituteBROKER-VERIFIED
HP 16GB (1x16GB) Dual Rank x4 PC3L-10600R (DDR3-1333)
substitute
664692-001CompatiblePARTNER
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
compatible
647653-08HCompatiblePARTNER
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
compatible
696682-B21CompatiblePARTNER
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel G8
compatible
698890-001CompatiblePARTNER
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
compatible
743134-001CompatiblePARTNER
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
compatible
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
THIS PART SUBSTITUTES FOR 6
647653-081SUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
HPE
647653-08HSUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
HPE
664692-001SUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
HPE
696682-B21SUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
HPE
698890-001SUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
HPE
743134-001SUBSTITUTE
HP 16Gb PC3L-10600R 1333Mhz ECC REG DR x4 CAS-9 LV DIMM - Intel v1 - G8
HPE
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FREQUENTLY ASKED QUESTIONS
What is 647901B21?
647901B21 is a HP 16GB (1x16GB) Dual Rank x4 PC3L-10600R (DDR3-1333) manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 647901B21?
There are 6 known substitutes for 647901B21: 647653081, 664692-001, 647653-08H and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 647901B21?
647901B21 is cataloged in the U.S. Government catalog under NSN 5962-01-626-4454. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.