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660090-001 ✓ Verified by PartsTable
HP · CONTROLLER · RAID_HBA
WHAT YOU NEED TO KNOW
RAID HBAs — always confirm bracket height (full or half). Ship unlocked with test reports. Our edge: we can verify specific firmware versions. Key checks: Ship with test reports. Ship UNLOCKED.
Firmware must match server
PRODUCT OVERVIEW

HP SAS Smart Array P721m/512 controller. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
CONTROLLER→ RAID_HBA→ 660090-001
SPECIFICATIONS
Part Number660090-001
ManufacturerHP
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 660090-001 MFR HP HP SAS Smart Array P721m/512 controller
TYPICAL APPLICATIONS
  • Hardware RAID acceleration for enterprise storage
  • Data protection and parity management
  • Cache-backed write acceleration
  • Storage tiering and SSD caching
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
655636-B21Compatible
HP Smart Array P721m/512Mb FBWC 6G 4-Port Ext PCI-E 3.0x8 Mezzanine SAS Controller
compatible
650074-001Compatible
HP Smart Array P721m/512Mb FBWC 6G 4-Port Ext PCI-E 3.0x8 Mezzanine SAS Controller
compatible
650072-B21Compatible
HP Smart Array P721m/2Gb FBWC 6G 4-Port Ext PCI-E 3.0x8 Mezzanine SAS Controller
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
650072-B21SUBSTITUTE
HP Smart Array P721m/512Mb FBWC 6G 4-Port Ext PCI-E 3.0x8 Mezzanine SAS Controller
HPE
650074-001SUBSTITUTE
HP Smart Array P721m/512Mb FBWC 6G 4-Port Ext PCI-E 3.0x8 Mezzanine SAS Controller
HPE
655636-B21SUBSTITUTE
HP Smart Array P721m/512Mb FBWC 6G 4-Port Ext PCI-E 3.0x8 Mezzanine SAS Controller
HPE
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FREQUENTLY ASKED QUESTIONS
What is 660090-001?
660090-001 is a HP SAS Smart Array P721m/512 controller manufactured by HP. It is classified as a CONTROLLER (RAID_HBA).
What parts can replace 660090-001?
There are 3 known substitutes for 660090-001: 655636-B21, 650074-001, 650072-B21. Substitute compatibility should be verified for your specific system.
Is 660090-001 still available?
660090-001 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026