Solved: Amber blinking light indicvating (HP ProLiant DL380p G8) that Cache Module Status is disabled because a capacitor has failed to charge to an acceptable level | Experts Exchange
HP Smart Array P420i - 1GB FBWC 633540-001 for DL360p DL380p Gen8 | eBay
660093-001 HP Battery Capacitor Pack 36” Cable for P420/P421