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668943-B21 — HP 12in Super Capacity Option for Smart Array

HPE · RAID CONTROLLER
PRODUCT OVERVIEW

668943-B21: HP 12in Super Capacity Option for Smart Array.

HP 12in Super Capacity Option for Smart Array. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number668943-B21
ManufacturerHPE
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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 668943-B21 MFR HPE HP 12in Super Capacity Option for Smart
TYPICAL APPLICATIONS
  • Hardware RAID acceleration for enterprise storage
  • Data protection and parity management
  • Cache-backed write acceleration
  • Storage tiering and SSD caching
SUBSTITUTES & CROSS-REFERENCES 2
654873001SubstituteBROKER-VERIFIED
HP FBWC Capacitor W/ 12IN Cable
substitute
660091001SubstituteBROKER-VERIFIED
Flash-backed write cache (FBWC) capacitor cable pack - Includes 30cm (12in) long cable
substitute
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
654873-001SUBSTITUTE
HP Smart Array FBWC Super Capacitor Pack with 12in Cable
HPE
660091-001SUBSTITUTE
HP Smart Array FBWC Super Capacitor Pack with 12in Cable
HPE
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FREQUENTLY ASKED QUESTIONS
What is 668943-B21?
668943-B21 is a HP 12in Super Capacity Option for Smart Array manufactured by HPE.
What parts can replace 668943-B21?
There are 2 known substitutes for 668943-B21: 654873001, 660091001. 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.