FreeNAS only detecting 2 drives of Smart Array P420i | TrueNAS Community
013548-001 HP SMART ARRAY P420I 6GB/S MEZZANINE CONTROLLER CARD FOR HP PROLIANT SL4540 G8 - FOR I/O MODULE NO CACHE 8GB/S BANDWIDTH SUPPORTS SAS / SATA PCI-E 3.0 X8
HP Smart Array P420 FBWC 1Gb 2-ports Int SAS Controller review – EVILBOX
653203-B21 | HP ProLiant DL385p G8- CTO Chassis with No Cpu, No Ram, 8SFF HDD Bays, Smart Array P420i Controller, 2u Rack Server
HP Smart Array P222 P420 P421 1GB FBWC Cache Module With Battery 633542-001 | eBay
HP Smart Array P420 PCIe SAS RAID Controller 633538-001 / 633542-001 | eBay
HP Smart Array Advanced Pack 2.0 (SAAP) features now part of base firmware - for free - BITCON IT consultants
Cheap HP 692276-B21 Mezzanine Smart Array | Bulk
633538-001 HP SMART ARRAY P420 8-CH DUAL PORTS 6GB SAS CONTROLLER - 610670-001, | eBay