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405140-B21 — HP Smart Array BBWC 256Mb Cache Module for P400

HPE · RAID CONTROLLER
PRODUCT OVERVIEW

405140-B21: HP Smart Array BBWC 256Mb Cache Module for P400.

HP Smart Array BBWC 256Mb Cache Module for P400. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number405140-B21
ManufacturerHPE
Capacity256MB
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COMPONENT DIAGRAM
RAID ASIC CACHE FBWC SAS 0 SAS 1 SAS 2 SAS 3 BATT EXT 0 EXT 1 PCIe x8 ~187 mm STORAGE CONTROLLER | RAID 0,1,5,6,10 | PCIe SAS/SATA | FBWC cache | Battery backup connector | TITLE RAID CTRL PN 405140-B21 MFR HPE HP Smart Array BBWC 256Mb Cache Module f
KEY FEATURES
•
256MB Capacity
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
SUBSTITUTES & CROSS-REFERENCES 4
405836-001CompatiblePARTNER
HP Smart Array BBWC 256Mb Cache Module for P400
compatible
405139-B21CompatiblePARTNER
HP Smart Array BBWC 256Mb Cache Module for P400
compatible
012764-004CompatiblePARTNER
HP Smart Array BBWC 256Mb Cache Module for P400
compatible
013126-000CompatiblePARTNER
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
405139-B21SUBSTITUTE
HP Smart Array BBWC 256Mb Cache Module for P400
HPE
405836-001SUBSTITUTE
HP Smart Array BBWC 256Mb Cache Module for P400
HPE
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FREQUENTLY ASKED QUESTIONS
What is 405140-B21?
405140-B21 is a HP Smart Array BBWC 256Mb Cache Module for P400 manufactured by HPE.
What parts can replace 405140-B21?
There are 4 known substitutes for 405140-B21: 405836-001, 405139-B21, 012764-004 and 1 more. Substitute compatibility should be verified for your specific system.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.