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491191-B21 — HP Smart Array P212/ZM 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 SAS Controller

HPE · RAID CONTROLLER
PRODUCT OVERVIEW

491191-B21: HP Smart Array P212/ZM 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 SAS Controller.

HP Smart Array P212/ZM 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 SAS Controller. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number491191-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 491191-B21 MFR HPE HP Smart Array P212/ZM 6G 1-Port Int/1-P
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 4
462834-B21CompatiblePARTNER
HP Smart Array P212/256Mb 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 SAS Controller
compatible
462594-001CompatiblePARTNER
HP Smart Array P212/ZM 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 SAS Controller
compatible
013218-001CompatiblePARTNER
HP Smart Array P212/ZM 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 SAS Controller
compatible
462828-B21CompatiblePARTNER
HP Smart Array P212/ZM 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 SAS Controller
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 4
013218-001SUBSTITUTE
HP Smart Array P212/256Mb 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 FIO SAS Controller
HPE
462594-001SUBSTITUTE
HP Smart Array P212/256Mb 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 FIO SAS Controller
HPE
462828-B21SUBSTITUTE
HP Smart Array P212/256Mb 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 FIO SAS Controller
HPE
462834-B21SUBSTITUTE
HP Smart Array P212/256Mb 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 FIO SAS Controller
HPE
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FREQUENTLY ASKED QUESTIONS
What is 491191-B21?
491191-B21 is a HP Smart Array P212/ZM 6G 1-Port Int/1-Port Ext PCI-E 2.0x8 SAS Controller manufactured by HPE.
What parts can replace 491191-B21?
There are 4 known substitutes for 491191-B21: 462834-B21, 462594-001, 013218-001 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.