Home Hp Raid Controller HP Smart Array P840 4G Controller
HP Smart Array P840 4G Controller
- Model Number: 726897 B21
- Product features:
- Supports up to 16 drives without need for expander card
- Seamless upgrades to and from other HP Smart Array controllers
- Recovery Read-Only Memory (ROM) protects against ROM corruption
- Capable of supporting both legacy and Unified Extensible Firmware Interface (UEFI) boot operation on Gen9 servers
- 4GB Transportable Flash-backed write cache (Not all of which is available for user data)
- PCIe 3.0 8 x Host interface provides up to 8 GiB/s in each direction
- 12 Gb/s SAS Performance when used on Gen9 servers with 12 Gb/s devices (Hard Disk Drive (HDD) or Solid State Drive (SSD))
- 12 Gb/s SAS Technology delivers up to 1200 MB/s per physical link
- 6 Gb/s SATA Technology delivers up to 600 MB/s for directly attached SATA drives
- Mix And Match SAS and SATA drives
- HP SSD Smart Path feature included in the Smart Array software stack
- HP SmartCache feature included with P840 controller
- HP Secure Encryption, available as an option, is a Smart Array controller-based data encryption solution for ProLiant Gen9 servers
- Performance:
- 12 Gb/s SAS (1200 MB/s Theoretical bandwidth per physical lane)
- 4 GiBytes 72 bit wide DDR3 1866 FBWC provides up to 14.9 GB/s maximum cache bandwidth
- PCI Express Gen3 x 8 link width
- Read ahead caching
- Write Back caching
- Ports: 16 SAS/SATA Physical links distributed across 2 double wide Mini SAS 8i connectors
- Warranty: 1 year Warranty
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