HP Smart Array P400 3Gb/s 8-Port PCI-Express SAS RAID Controller with 256MB Cache (507694-001) is an enterprise RAID controller designed for compatible HP ProLiant servers. It provides eight internal 3Gb/s SAS physical links through two internal x4 wide connectors and uses an x8 PCI Express host interface. The controller includes 256MB of ECC-protected cache memory and supports both SAS and SATA storage devices, making it suitable for RAID and enterprise server storage applications.
- Part Number: 507694-001
- Manufacturer: HP / HPE
- Product Type: Smart Array RAID Controller
- Model: Smart Array P400
- Controller Interface: PCI Express x8
- PCIe Speed: 2.5Gb/s per lane
- SAS Interface: 3Gb/s SAS
- SATA Support: 1.5Gb/s SATA
- Number of SAS Ports/Links: 8
- SAS Connector Configuration: 2 × internal x4 wide SFF-8484 connectors
- Cache Memory: 256MB
- Cache Type: ECC-protected DDR2
- Cache Speed: 533MHz
- Cache Upgrade: Up to 512MB with supported upgrade
- RAID Levels: RAID 0, RAID 1, RAID 1+0, RAID 5, and RAID 6/ADG with battery-backed cache
- Logical Drives Supported: Up to 32
- Host Memory Addressing: 64-bit
- Application: Server RAID / Enterprise Storage
- Form Factor: Low-profile PCIe controller card
- Compatible Systems: Supported HP ProLiant servers with compatible PCIe slots and internal SAS storage configurations
- Battery-Backed Cache: Requires supported battery-backed write-cache upgrade; the controller board itself does not include the backup power module.
- Controller Dimensions: Approximately 6.61 × 2.75 × 0.70 inches
