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863442-B21 — Memory Specs & Substitutes

✓ Government record, cited
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: Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW
HP PROLIANT BL460C GEN10 10GB/20GB FLEXIBLELOM BLADE

HP PROLIANT BL460C GEN10 10GB/20GB FLEXIBLELOM BLADE. Key specifications include Form Factor: Blade, Generation: Gen10, Platform: HPE ProLiant BL460C. This part is cataloged in the U.S.

Government catalog under NSN 7035-01-632-5318, 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→ 863442-B21
NSN: 7035-01-632-5318
FSC: 7035 — Information Technology Support Equipment
CAGE: A4944 — HEWLETT PACKARD ITALIANA SRL (ITA)
SPECIFICATIONS
Form FactorBlade
GenerationGen10
PlatformHPE ProLiant BL460C
NSN7035-01-632-5318
FITS THESE MACHINES
HPE ProLiant BL460c Gen10
COMPONENT DIAGRAM
ECC 10GB 2Rx4 PC4 — RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 10GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 863442-B21 MFR HP 10GB —
KEY FEATURES
•
10GB Capacity
•
Gen10 Generation
TYPICAL APPLICATIONS
  • Enterprise virtualization (VMware vSphere, Hyper-V)
  • Private cloud infrastructure (OpenStack, Azure Stack)
  • Email and collaboration platforms (Exchange, SharePoint)
  • High-availability clustering and failover
  • DevOps and CI/CD pipeline hosting
  • Remote desktop and VDI infrastructure
OTHER ITEMS IN FSC 7035 — Information Technology Support Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7035-00-001-2646 7035-00-001-2647 7035-00-001-2648 7035-00-001-2649 7035-00-001-2664 7035-00-001-4080 7035-00-001-4081 7035-00-001-4087
SUBSTITUTES & CROSS-REFERENCES 1
BL460CPossible match (shared part number)
HP ProLiant BL460C Gen10 10gb/20gb Flexiblelom Blade
Possible match (shared part number)
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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COMPATIBLE SYSTEMS & CONTROLLERS 1
BL460CCOMPATIBLE
Gen10
FREQUENTLY ASKED QUESTIONS
What is 863442-B21?
863442-B21 is a HP ProLiant BL460C Gen10 10gb/20gb Flexiblelom Blade manufactured by HP. It is classified as a MEMORY (RDIMM).
What systems is 863442-B21 compatible with?
863442-B21 is compatible with BL460C Gen10. Always verify compatibility with your specific configuration before ordering.
What parts can replace 863442-B21?
There is 1 known substitute for 863442-B21: BL460C. Substitute compatibility should be verified for your specific system.
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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.