Cheapest 8 TB internal hard drive (3.5 inch)

All sizes of Internal hard drive (3.5 inch) →

Amazon $280/drivetypical $310 · 3 listings Buy on Amazon: $280 for 1 drive →as of 2026-11-06 18:49:58 UTC
eBay $215/drivetypical $329 · 11 new listings Buy on eBay: $215 for 1 drive →as of 2026-11-06 UTC

Amazon prices are before shipping (free on most items with Prime); eBay prices include shipping. We earn a commission when you buy through these links, at no cost to you.

Cheapest by spindle speed

Spindle speedAmazon, per driveeBay, per drive
5400 — $367 ($367 for 1 drive)
5640 $310 ($310 for 1 drive) —
7200 — $329 ($329 for 1 drive)

All 14 listings, single drives first, then multipacks

ItemSizePricePer drive
Barracuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/S, 5,400 RPM, 256 MB 1 drive1 drive$215$215 eBay →
Seagate 8TB BarraCuda Internal Hard Drive | SATA 6 Gb/s (ST8000DM004) 1 drive1 drive$280$280 Amazon →
Seagate Barracuda 8TB SATA 6Gb/s 256MB 3.5-Inch Internal Hard Drive ST8000DM004 1 drive1 drive$280$280 eBay →
Western Digital 8TB, Internal, 3.5 inch (WD80EFBX) Hard Drive 1 drive1 drive$307$307 eBay →
Western Digital 8TB, Internal, 3.5 inch (WD80EFPX) Hard Drive + 3 yr warranty 1 drive1 drive$308$308 eBay →
Seagate Skyhawk 8TB Video Internal Hard Drive HDD 3.5 Inch SATA ST8000VX010 1 drive1 drive$310$310 eBay →
Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ 1 drive1 drive$310$310 Amazon →
Seagate IronWolf 8TB, Internal, 7200RPM, 3.5inch (ST8000VNA04) Hard Drive 1 drive1 drive$329$329 eBay →
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX 1 drive1 drive$355$355 Amazon →
Western Digital 8TB, Internal, 3.5 inch (WD80EFZZ) Hard Drive 1 drive1 drive$356$356 eBay →
BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB 1 drive1 drive$364$364 eBay →
Western Digital Purple 8TB Internal 5400 RPM 3.5 inch (WD84PURU) Hard Drive 1 drive1 drive$367$367 eBay →
Western Digital WD Purple Pro 8TB, 7200 RPM, 3.5 inch Internal Hard Drive -... 1 drive1 drive$423$423 eBay →
Western Digital WD Purple Pro 8TB, 7200 RPM, 3.5 inch Internal Hard Drive -... 1 drive1 drive$430$430 eBay →

Amazon as of 2026-11-06 18:49:58 UTC: Amazon's own price, else its lowest new offer, before shipping and tax (via Keepa); product prices and availability are accurate as of the date/time indicated and are subject to change. eBay: new Buy It Now listings from US sellers as of 2026-11-06 UTC, item plus shipping.

Size comes from the seller's unit count or the listing title; check the listing before buying. As an Amazon Associate and eBay Partner, Sharpest earns from qualifying purchases.

More storage

Portable SSD $84.19/TBNVMe SSD $100/TBmicroSD card $95.70/TBSATA SSD (2.5 inch) $95.00/TBUSB flash drive $57.81/TBExternal hard drive $24.98/TB