HP Smart Array P431 SAS RAID controller kit
2GB Flash Backed Write Cache (FBWC)
PCIe3 x 8 low profile
2 external x4 wide mini-SAS ports
6Gb/s transfer rate for SAS
Part Number(s)
Option Part# 698531-B21 (complete kit)
Spare Part# 729636-001 (controller only)
Spare Part# 633543-001 (memory only)
Spare Part# 660093-001 (battery and cable only)