PartsTable
Technical Data Sheet
Download PDF

405139-B21 — HP 256MB memory module 0.25 GB 1 x 0.25 GB

HPE · COMPONENT
PRODUCT OVERVIEW

405139-B21: HP 256MB memory module 0.25 GB 1 x 0.25 GB.

HP 256MB memory module 0.25 GB 1 x 0.25 GB. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number405139-B21
ManufacturerHPE
Capacity256MB
MORE FROM HPE
Popular HPE machine pages — browsing only, not a fit claim for 405139-B21.
ProLiant DL360 Gen10 ProLiant DL380 Gen10 ProLiant BL460c Gen10 ProLiant DL380 Gen9 ProLiant DL360 Gen9 3PAR StoreServ 8450 ProLiant BL685c G7 3PAR StoreServ 8400 3PAR StoreServ 8440 3PAR StoreServ 8200 MSA 2052 SAN Storage ProLiant BL460c Gen9
All HPE machines and parts
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: HPE CAP: 256MB HP 256MB memory module 0.25 GB 1 x 0.25 GB TITLE COMPONENT PN 405139-B21 MFR HPE HP 256MB memory module
KEY FEATURES
•
256MB 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
SUBSTITUTES & CROSS-REFERENCES 4
012764-004CompatiblePARTNER
HP Smart Array BBWC 256Mb Cache Module for P400
compatible
405836-001CompatiblePARTNER
HP Smart Array BBWC 256Mb Cache Module for P400
compatible
013126-000CompatiblePARTNER
HP Smart Array BBWC 256Mb Cache Module for P400
compatible
405140-B21CompatiblePARTNER
HP Smart Array BBWC 256Mb Cache Module for P400
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 4
012764-004SUBSTITUTE
HP Smart Array BBWC 256Mb Cache Module for P400
HPE
013126-000SUBSTITUTE
HP Smart Array BBWC 256Mb Cache Module for P400
HPE
405140-B21SUBSTITUTE
HP Smart Array BBWC 256Mb Cache Module for P400
HPE
405836-001SUBSTITUTE
HP Smart Array BBWC 256Mb Cache Module for P400
HPE
Ready to buy 405139-B21?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 405139-B21?
405139-B21 is a HP 256MB memory module 0.25 GB 1 x 0.25 GB manufactured by HPE.
What parts can replace 405139-B21?
There are 4 known substitutes for 405139-B21: 012764-004, 405836-001, 013126-000 and 1 more. Substitute compatibility should be verified for your specific system.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 405139-B21

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.