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507780-B21 — Memory Specs & Substitutes

✓ Verified by PartsTable
HPE · 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

HPE ProLiant BL460c G6 server 0 GB Blade Intel® Xeon® 5000 Sequence E5530 2.4 GHz 6 GB DDR3-SDRAM. Key specifications include ECC: Yes, Depth: 509 mm, Tcase: 76 °C, Width: 56 mm, Height: 182 mm, Weight: 6.45 kg. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7035-01-625-0786, 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→ 507780-B21
NSN: 7035-01-625-0786
FSC: 7035
CAGE: K3464 — HEWLETT-PACKARD LTD (GBR)
SPECIFICATIONS
ECCYes
Depth509 mm
Tcase76 °C
Width56 mm
Height182 mm
Weight6.45 kg
Bus typeQPI
Capacity0 GB
Intel 64Yes
SteppingD0
FSB ParityNo
Idle StatesYes
NSN7035-01-625-0786
COMPONENT DIAGRAM
ECC 0GB 2Rx4 PC3 — RDIMM HPE NOTCH ~133.35 mm DDR3 RDIMM | 0GB | — | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN 507780-B21 MFR HPE 0GB —
KEY FEATURES
•
E5530
Intel® Xeon® 5000 Sequence — Socket B (LGA 1366)
•
Up to 192 GB
12x DIMM
•
0 GB
•
Ethernet 10G
•
DDR3 Interface
•
0GB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
RELATED PARTS 1
257414-B21
HPE 257414-B21 rack accessory Fan
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COMPATIBLE SYSTEMS & CONTROLLERS 1
BL460CCOMPATIBLE
FREQUENTLY ASKED QUESTIONS
What is 507780-B21?
507780-B21 is a HPE ProLiant BL460c G6 server 0 GB Blade Intel® Xeon® 5000 Sequence E5530 2.4 GHz 6 GB DDR3-SDRAM manufactured by HPE. It is classified as a MEMORY (RDIMM).
What systems is 507780-B21 compatible with?
507780-B21 is compatible with BL460C. Always verify compatibility with your specific configuration before ordering.
What is the NSN for 507780-B21?
507780-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7035-01-625-0786. 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: August 2026