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HP Smart Array P812 Controller - Specifications

Physical specifications

31.1 cm (12.3 in)
11.1 cm (4.4 in)
1.2 cm (0.5 in)


Technical specifications

PCI card size
Full-height, full-length PCI Express
PCI label
PCIe2 x8 (i.e. x8 mechanical, up to x8 electrical)
PCI link rate
x8 5 GT/s PCI Express (4 GB/s maximum bandwidth in each direction)
SAS/SATA connectivity
2 Mini SAS 4i connectors
4 Mini SAS 4x connectors
SAS/SATA link rate
SAS protocol: 6 Gb/s, 3 Gb/s, or 1.5 Gb/s
SATA protocol: 3 Gb/s or 1.5 Gb/s
SAS/SATA performance
Controller supports a maximum of 4.8 GB/s maximum bandwidth in each direction (allocated across all the connectors)
RAID cache
1 GiB capacity (not all of which is available for user data)
64-bit data width with 8-bit error correcting code (ECC)
Flash-backed on power loss
Tether to capacitor pack
RAID cache bus speed
DDR2-800 (6.4 GiB/s maximum bandwidth)
Maximum drive count
108 drives
System memory addressing
64-bit, supporting servers memory space greater than 4 GiB
RAID support
  • RAID 6 (Advanced Data Guarding)

  • RAID 60

  • RAID 5 (Distributed Data Guarding)

  • RAID 50

  • RAID 1+0 (Striping & Mirroring)

  • RAID 1 (Mirroring)

  • RAID 0 (Striping)

Upgradeable firmware
Flashable ROM with redundant firmware images


Legal Disclaimer: Products sold prior to the November 1, 2015 separation of Hewlett-Packard Company into Hewlett Packard Enterprise Company and HP Inc. may have older product names and model numbers that differ from current models.

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Document title: HP Smart Array P812 Controller - Specifications
Document ID: emr_na-c02019979-1
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