Best 8TB Hard Drives (2026)
8TB is the sweet spot for serious storage builders in 2026. It offers enough capacity for a multi-drive NAS without the premium pricing of 12TB+ drives. Whether you're building a Synology NAS, a Plex media server, or adding bulk storage to a homelab, 8TB CMR drives deliver reliable performance at a competitive cost per TB.
At this capacity tier, always verify the drive is CMR — several 8TB budget models use SMR recording, which will cause serious problems in RAID arrays.
Live 8TB Drive Comparison
Prices updated daily from Amazon. Sorted by lowest cost per TB.
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8TB Buying Guide
What’s a Good Price Per TB?
In 2026, a good price for a new 8TB CMR drive is $15–$20/TB. Refurbished or server-pull 8TB drives can drop to $8–$12/TB. Anything above $22/TB for a new 8TB drive is overpriced — check the comparison table above for live pricing.
CMR vs SMR at 8TB
At 8TB, some budget drives (notably older Seagate Barracuda ST8000DM004 and certain WD Red models) use SMR. For NAS or RAID use, stick to confirmed CMR drives: Seagate IronWolf ST8000VN004, WD Red Plus WD80EFBX, or Toshiba N300 HDWG480. Check our CMR drives page for a verified list.
8TB for NAS: How Many Bays?
In a 2-bay RAID 1 (mirrored): 8TB usable. In a 4-bay RAID 5: 24TB usable. In a 4-bay RAID 6: 16TB usable. Use our RAID calculator to model different configurations before buying.
Refurbished 8TB: Worth It?
Server-pull 8TB enterprise drives (Seagate Exos, WD Ultrastar) are often excellent value — these were built for 24/7 datacenter use and are typically in better condition than consumer drives of the same age. Look for drives with low SMART power-on hours (under 30,000) and check the refurbished drives page.