General Knoppix support for those who've read the FAQ at the Wiki
ORICO Multi Bay RAID Hard Drive Enclosure USB 3.0/ Type-C For 2.5/3.5'' HDD SSDs
$164.99
Dell 7H4CN PERC H730P Raid Controller Mini Mono12GBPS 2GB NV Cache
$44.99
ORICO 5 Bay Raid USB3.0 to SATA External Hard Drive Enclosure for 3.5'' HDD LOT
$175.99
Dell KMCCD PERC H730 MINI MONO 1GB RAID CONTROLLER W/Battery
$26.99
LSI MegaRAID 9361-8i 12Gbps PCIe 3 x8 SATA SAS 3 8 Port RAID + BBU & CacheVault
$39.00
Inspur LSI YZCA-00424-101 Raid Card 12Gbps HBA Controller Low Profile 9300-8i IT
$15.98
ACASIS 2.5/3.5 inch 2 Bay SATA USB 3.0 Hard Drive Disk HDD SSD Enclosure 4 RAID
$55.45
DELL PERC H310 RAID Controller with Cables, OHV52W, 6Gb/s SAS SATA PCIe x8
$19.95
Dell PERC H730 1GB Mini Mono RAID Controller Card w/Battery Dell P/N: 0KMCCD
$21.99
Yottamaster 5-Bay RAID Hard Drive Enclosure USB C, External Aluminum USB C3.1
$164.99