HP Flash Backed Write Cache

Manufacturer	HP
Model Number	631681-B21

The Flash Backed Write Cache (FBWC) uses flash devices to retain cache data and super-capacitors (super-caps) instead of batteries to provide power during a power loss.

HP Flash Backed Write Cache - RAID controller cache memory (2GB) - for ProLiant DL320e Gen8, DL360e Gen8, DL385p Gen8, DL560 Gen8, ML310e Gen8, ML350e Gen8