Cheapest by capacity
| Capacity | Amazon, per drive | eBay, per drive |
|---|---|---|
| 1 TB | — | $53.49 |
| 2 TB | $99.99 | $115 |
| 4 TB | $160 | $220 |
| 8 TB | $280 | $215 |
| 12 TB | — | $379 |
| 16 TB | $716 | — |
| 18 TB | $711 | — |
| 24 TB | $1,060 | — |
Capacity is rounded to the nearest standard size. Per-drive price = listing price ÷ drives in the pack (eBay includes shipping).
Cheapest by spindle speed
| Spindle speed | Amazon, per TB | eBay, per TB |
|---|---|---|
| 5400 | $45.00 ($180 for 4 TB) | $45.85 ($367 for 8 TB) |
| 5640 | $38.75 ($310 for 8 TB) | — |
| 5900 | $49.99 ($99.99 for 2 TB) | — |
| 7200 | $44.17 ($1,060 for 24 TB) | $31.58 ($379 for 12 TB) |
All 39 listings, cheapest per TB first
| Item | Size | Price | Per TB | ||
|---|---|---|---|---|---|
 | Barracuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/S, 5,400 RPM, 256 MB 8 TB | 8 TB | $215 | $26.82 | eBay → |
 | Toshiba N300 Pro 12TB 3.5 inch Internal Hard Drive CMR SATA 6 Gb/s 7200 RPM 512 12 TB | 12 TB | $379 | $31.58 | eBay → |
| Seagate 8TB BarraCuda Internal Hard Drive | SATA 6 Gb/s (ST8000DM004) 8 TB | 8 TB | $280 | $35.00 | Amazon → | |
 | Seagate Barracuda 8TB SATA 6Gb/s 256MB 3.5-Inch Internal Hard Drive ST8000DM004 8 TB | 8 TB | $280 | $35.00 | eBay → |
 | Toshiba N300 Pro 12TB 3.5 inch Internal Hard Drive CMR SATA 6 Gb/s 7200 RPM 512 12 TB | 12 TB | $422 | $35.17 | eBay → |
 | HITACHI HUS726060ALS641 6TB 7200RPM SAS 6GB/S 3.5-INCH INTERNAL HARD DRIVE 6 TB | 6 TB | $222 | $36.99 | eBay → |
 | Toshiba N300 Pro 12TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RP 12 TB | 12 TB | $444 | $37.02 | eBay → |
 | 3TB 7200RPM SAS Hard Drive - 6Gbps 3.5-inch Internal Storage - 64MB Cache - Rene 3 TB | 3 TB | $115 | $38.33 | eBay → |
 | Western Digital 8TB, Internal, 3.5 inch (WD80EFBX) Hard Drive 8 TB | 8 TB | $307 | $38.33 | eBay → |
 | Western Digital 8TB, Internal, 3.5 inch (WD80EFPX) Hard Drive + 3 yr warranty 8 TB | 8 TB | $308 | $38.46 | eBay → |
 | Seagate Skyhawk 8TB Video Internal Hard Drive HDD 3.5 Inch SATA ST8000VX010 8 TB | 8 TB | $310 | $38.75 | eBay → |
| Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ 8 TB | 8 TB | $310 | $38.75 | Amazon → | |
| Seagate Enterprise ST18000NM004J Internal Hard Drive 3.5" 18TB SAS 18 TB | 18 TB | $711 | $39.53 | Amazon → | |
| Seagate Skyhawk 4TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System w… 4 TB | 4 TB | $160 | $40.00 | Amazon → | |
 | Seagate IronWolf 8TB, Internal, 7200RPM, 3.5inch (ST8000VNA04) Hard Drive 8 TB | 8 TB | $329 | $41.18 | eBay → |
| Seagate IronWolf Pro 24TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAI… 24 TB | 24 TB | $1,060 | $44.17 | Amazon → | |
| Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFPX 8 TB | 8 TB | $355 | $44.37 | Amazon → | |
 | Western Digital 8TB, Internal, 3.5 inch (WD80EFZZ) Hard Drive 8 TB | 8 TB | $356 | $44.46 | eBay → |
| Seagate Skyhawk AI 16TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera Sys… 16 TB | 16 TB | $716 | $44.75 | Amazon → | |
| Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX 4 TB | 4 TB | $180 | $45.00 | Amazon → | |
 | MaxDigitalData 6TB 7200RPM 128MB Cache 6.0Gb/s 3.5inch Internal Hard Drive 6 TB | 6 TB | $271 | $45.19 | eBay → |
 | BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB 8 TB | 8 TB | $364 | $45.50 | eBay → |
 | Western Digital Purple 8TB Internal 5400 RPM 3.5 inch (WD84PURU) Hard Drive 8 TB | 8 TB | $367 | $45.85 | eBay → |
 | Seagate Skyhawk 6TB Video Internal Hard Drive HDD 3.5 Inch SATA ST6000VXZ09/009 6 TB | 6 TB | $276 | $46.00 | eBay → |
| Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Stor… 4 TB | 4 TB | $190 | $47.50 | Amazon → | |
| MDD MAXDIGITALDATA 2TB 64MB Cache 5900RPM SATA 6.0Gb/s 3.5inch Internal Surveillence Hard Drive - MDD2TSATA6459DVR 2 TB | 2 TB | $99.99 | $49.99 | Amazon → | |
| Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ 4 TB | 4 TB | $211 | $52.75 | Amazon → | |
 | Western Digital WD Purple Pro 8TB, 7200 RPM, 3.5 inch Internal Hard Drive -... 8 TB | 8 TB | $423 | $52.87 | eBay → |
 | MaxDigitalData (MDD) 1TB 3.5-inch Internal Surveillance Hard Drive 1 TB | 1 TB | $53.49 | $53.49 | eBay → |
 | Western Digital WD Purple Pro 8TB, 7200 RPM, 3.5 inch Internal Hard Drive -... 8 TB | 8 TB | $430 | $53.75 | eBay → |
 | Western Digital SE 4TB, 7200 RPM, 3.5 inch Internal Hard Drive - WD4000F9YZ 4 TB | 4 TB | $220 | $55.00 | eBay → |
| Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ 4 TB | 4 TB | $227 | $56.75 | Amazon → | |
 | 1TB 7200RPM 128MB Cache SAS Internal Enterprise Hard Drive - 3.5inch, Fast Perfo 1 TB | 1 TB | $58.49 | $58.49 | eBay → |
 | Western Digital RE3 1TB Internal 7200RPM 3.5inch (WD1002FBYS) Hard Drive 1 TB | 1 TB | $60.67 | $60.67 | eBay → |
 | Seagate IronWolf 4TB NAS Internal Hard Drive HDD 3.5 Inch SATA 6Gb/s ST4000VN006 4 TB | 4 TB | $243 | $60.85 | eBay → |
 | Western Digital RE3 1TB Internal 7200RPM 3.5inch (WD1002FBYS) Hard Drive 1 TB | 1 TB | $61.65 | $61.65 | eBay → |
 | ST2000DM006 BarraCuda 2TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/ 2 TB | 2 TB | $124 | $61.88 | eBay → |
| Seagate BarraCuda 2TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache – Frustration Free Packaging (… 2 TB | 2 TB | $145 | $72.49 | Amazon → | |
| Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD, CMR, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ 2 TB | 2 TB | $155 | $77.50 | Amazon → |
Amazon per TB, by day
typical cheapest, per TB
eBay per TB, by day
typical cheapest, per TB
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.
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