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
$239.99
Dell EMC 092GD6 Broadcom 9305-16i LSI Quad Port 4 Port SAS RAID Controller
$84.99
OWC Guardian Maximus Raid Enclosure SATA Hard Drive FireWire
$36.99
Yottamaster 2 Bay RAID Hard Drive Enclosure USB 3.1 For 2.5" SATA HDD SSD UASP
$56.25
Dell PERC H330 PCIe 3.0 x8 RAID Storage Controller 4Y5H1 High Profile
$15.99
LSI MegaRAID 9361-8i 12Gbps PCIe 3 x8 SATA SAS 3 8 Port RAID + BBU & CacheVault
$39.00
NU209 Dell R710 R610 R510 R410 PERC 5I 6I H700 H800 Raid Battery FR463 Good Batt
$10.00
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
Yottamaster 2 Bay RAID Hard Drive Enclosure USB 3.1 Type B For 3.5" SATA HDDs
$69.91