General Knoppix support for those who've read the FAQ at the Wiki
Intel VROC Virtual RAID Upgrade Key (Standard) BD 5Module VROCSTANMOD J55901-103
$99.99
ORICO 5 Bay Raid USB3.0 to SATA External Hard Drive Enclosure for 3.5'' HDD LOT
$134.39
OWC Mercury Elite Pro Dual 36TB 7200 RPM USB 3.1 External RAID Exceptional
$299.00
Sonnet Technology Fusion D400Q 4HDD Storage RAID Enclosure
$59.95
LSI SAS9207-8e 8-Port PCIe IT Mode 9207-8e SAS 6Gb/s External HBA RAID Card
$28.00
Adaptec - ASR-7805 6Gbs SAS- PCI EXPRESS 3.0 X8 -1GB Cache RAID Controller Card
$24.99
Promise Pegasus2 R8 28TB Thunderbolt RAID
$275.00
PCI To 2 Port SATA RAID Controller Card Sil3112 chipset SATA PCI Controller Card
$13.98
G-Technology G-RAID Thunderbolt 0G02290 External Drive 4tb Untested Powers On
$79.99
ASUS Hyper M.2 X16 RAID Card PCIE4-GEN 4 Expansion Card
$30.00