 "HPE Smart Array P420/2GB with FBWC - storage controller (RAID) SATA 6Gb/s" " HPE 6Gb/s 631671-B21 RAID Controllers CDW.com
"The HPE Smart Array P420 Controller is a low profile, 6 Gb/s, PCIe 3.0, Serial Attached SCSI (SAS) RAID controller that provides enterprise class, storage performance and data protection for select HP ProLiant Gen8 rack and tower servers. It features eight internal SAS ports and delivers increased server uptime by providing advanced storage functionality, including online RAID level migration (between any RAID levels) 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." 
 "295643-B21 HP Smart Array 3200", "Null" Price 295643-B21" 3200 Wholesale 295643-B21
"Description: Smart Array 3200 2CH PCIUltra2 SCSI Controller 64MBPart Number(s)
Option Part# 295643-B21" 
 Specifications: Category Proliant Sub-Category Controller Generation Ultra2 Part Number 295643-B21 Products ID 1070 RAID Level RAID 0, RAID 1, RAID 4, RAID 5 Max Storage Devices Qty 30 Supported Devices Hard Drive Buffer Size 64MB (Installed) / 64MB (Max) Data Transfer Rate 80MB/s Controller Interface Type Ultra2 Wide SCSI Interface(s) Required PCI Device Type Storage Controller (RAID) Plug-in Card Compatibility PC