General Knoppix support for those who've read the FAQ at the Wiki
HITACHI HUS724040ALA640 4TB 7200RPM 64MB SATA 6.0Gb/s 3.5" HARD DRIVE ZERO HOURS
$52.00
Seagate ST8000NM0055 8TB 7200RPM 256MB SATA 6.0 Gb/s 3.5" Enterprise Hard Drive
$34.34
Western Digital WD4000FYYZ RE 4TB 7200 RPM 64MB Cache SATA 6Gb/s 3.5" Hard Drive
$24.11
Seagate ST8000NM0055 8TB 7200RPM 256MB SATA 6.0 Gb/s 3.5" Enterprise Hard Drive
$41.65
HGST Ultrastar DC HC520 12TB SATA 6Gb 256MB 3.5" Enterprise HDD- HUH721212ALE601
$79.99
WD Ultrastar DC HC530 14TB SATA 6G 3.5" 7200RPM Enterprise HDD - WUH721414ALE604
$110.00
Seagate ST12000NM0127 12TB 256MB 7200RPM 3.5" SATA 6.0Gb/s Enterprise Hard Drive
$93.99
CISCO A03-D1TBSATA 1TB 7.2K 6G 2.5INCH SATA HDD
$9.00
Western Digital DC HC320 Ultrastar 8TB 7200RPM SATA HD, HUS728T8TALE6L4, 0B36404
$99.00
Western Digital 4TB Internal 7.2KRPM 3.5" (WD4000FYYZ) SATA Hard Drive ZERO HOUR
$69.99