The ultimate expansion solution for homelab enthusiasts and small studio backups. This 4-bay tower holds up to four 22TB 3.5” hard disk drives in a compact vertical orientation. A whisper-quiet 80mm ball-bearing PWM fan draws cool air across all drive platters, keeping operating temperatures up to 15°C cooler under heavy RAID rebuild loads.
Storage Expansion Kits
Heavy-Duty 4-Bay 3.5” SATA Storage Tower with 80mm Silent PWM Fan
$59.99
Modular 4-drive enterprise storage tower featuring a dedicated 80mm low-noise cooling fan and toolless drive rail installation. Supports up to 88TB raw capacity.
Availability: 50 in stock
1 review for Heavy-Duty 4-Bay 3.5” SATA Storage Tower with 80mm Silent PWM Fan
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Eric Donaldson, Homelab YouTuber (verified owner) –
Best external 4-bay tower on the market. The integrated 80mm fan dropped my WD Red Plus temps from 49°C down to 34°C during a 14-hour ZFS parity check. Super impressed.