 "HPE Smart Array P222/512 with FBWC - storage controller (RAID) SATA 6Gb/s" " HPE 6Gb/s 631667-B21 RAID Controllers CDW.com
"The HPE Smart Array P222 Controller is a low profile, 6 Gb/s, PCIe 3.0, Serial Attached SCSI (SAS) RAID controller that provides entry-level, storage performance, scalability, and data protection for select HP ProLiant Gen8 rack and tower servers. It features four internal and four external SAS lanes and delivers increased server uptime by providing advanced storage functionality, including online RAID level migration with flash back write cache, global online spare, and pre-failure warning. Data Compatibility among all models of Smart Array controllers allows simple and easy migration at any time when needs for higher performance, capacity, and availability increase. Even new generations of Smart Array controllers can understand the data format of previous generations of Smart Array controllers." 
 "631667-B21 HP Smart Array P222/512 Controller", "Null" "New 631667-B21 Controller Wholesale Price 631667-B21"
"Description:HP Smart Array P222/512 FBWC 6Gb1-port Int/1-port Ext SAS ControllerPart Number(s)
Option Part# 631667-B21
Spare Part# 633537-001
Assembly Part# 610669-003" 
 Specifications: Category Proliant Controller Sub-Category Smart Array Generation P222/512 Part Number 631667-B21 Products ID 461056 Manufacturer HP Product Type Storage Controller Host Interface PCI Express 3.0 x8 Controller Type Serial ATA/600 Data Transfer Rate 600MB/s RAID Level RAID 0 1 10 5 50 6 60 Drive Support 64 x Logical Memory 512MB ECC DDR3 SDRAM Form Factor Low-Profile Plug-in Card