General Knoppix support for those who've read the FAQ at the Wiki
WD HDD Ultrastar DC HC520 HUH721212AL4205 12TB 3.5" SAS Server Hard Disk Drive
$45.22
Seagate ST8000NM0055 8TB 7200RPM 256MB SATA 6.0 Gb/s 3.5" Enterprise Hard Drive
$41.57
*LOT OF 40* 500GB Desktop PC 3.5" SATA Hard Drive HDD*Tested*
$212.00
Western Digital WD4000FYYZ RE 4TB 7200 RPM 64MB Cache SATA 6Gb/s 3.5" Hard Drive
$28.44
HGST Ultrastar DC HC520 12TB SATA 6Gb 256MB 3.5" Enterprise HDD- HUH721212ALE601
$89.99
1TB HDD/SSD 2.5" SATA Hard Drive for Laptop with Win 10/Win 11 Pro Pre-installed
$19.99
Seagate Exos X14 12TB SATA6Gb/s 7200RPM 3.5" Enterprise Hard Drive ST12000NM0558
$99.95
WD Ultrastar DC HC530 14TB SATA 6G 3.5" 7200RPM Enterprise HDD - WUH721414ALE604
$109.00
HGST 3.5 Internal Hard Drive 3TB 7200rpm 0F12470
$30.00
Western Digital 4TB Internal 7.2KRPM 3.5" (WD4000FYYZ) SATA Hard Drive ZERO HOUR
$69.99