 "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
 "291966-B21 HP Smart Array 641 Controller" "Null"
 "Description:Smart Array 641 Ultra320 Controller with 64MB Cache 64-bit 133MHz PCI-X PC Board - Has one Internal 68-pin connector Can add 128MB Battery Backed Write (BBWC) ModuleSee optional BBWC BelowPart Number(s)Option Part# 291966-B21 Spare 305414-001"
 Specifications: Category Proliant Controller Sub-Category SCSI PCI-X Generation 641 Part Number 291966-B21 Products ID 8591 Board/Module Type Daughterboard Channels 1 Controller Type SCSI Drive Array (RAID) Drive Array Support RAID 0 1 5 10 Included Components Manual Installed Cache Memory 64MB Interface PCI, Ultra SCSI PCI, Ultra SCSI Maximum Cache Memory 128MB Maximum Number of Devices Supported 6 Maximum Transfer Rate 320MB/s System Type Linux, PC