Cheapest by spindle speed
| Spindle speed | Amazon, per drive | eBay, per drive |
|---|---|---|
| 5400 | $180 ($180 for 1 drive) | — |
| 7200 | — | $220 ($220 for 1 drive) |
All 10 listings, single drives first, then multipacks
| Item | Size | Price | Per drive | ||
|---|---|---|---|---|---|
| Seagate Skyhawk 4TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System w… 1 drive | 1 drive | $160 | $160 | Amazon → | |
| Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX 1 drive | 1 drive | $180 | $180 | Amazon → | |
| Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Stor… 1 drive | 1 drive | $190 | $190 | 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 1 drive | 1 drive | $211 | $211 | Amazon → | |
 | Western Digital SE 4TB, 7200 RPM, 3.5 inch Internal Hard Drive - WD4000F9YZ 1 drive | 1 drive | $220 | $220 | eBay → |
 | HITACHI HUS726060ALS641 6TB 7200RPM SAS 6GB/S 3.5-INCH INTERNAL HARD DRIVE 1 drive | 1 drive | $222 | $222 | eBay → |
| Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ 1 drive | 1 drive | $227 | $227 | Amazon → | |
 | Seagate IronWolf 4TB NAS Internal Hard Drive HDD 3.5 Inch SATA 6Gb/s ST4000VN006 1 drive | 1 drive | $243 | $243 | eBay → |
 | MaxDigitalData 6TB 7200RPM 128MB Cache 6.0Gb/s 3.5inch Internal Hard Drive 1 drive | 1 drive | $271 | $271 | eBay → |
 | Seagate Skyhawk 6TB Video Internal Hard Drive HDD 3.5 Inch SATA ST6000VXZ09/009 1 drive | 1 drive | $276 | $276 | 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.