13 drives tracked from $20.00/TB. Prices updated every 4 hours.
| $/TB ▲ | Brand / Model | Cap | Interface | Tech | Cache | Sector | Wty | Price | Cond. | 90D | Buy | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
👑$20.00 ↓ vs 30d avg | HGST HUS724030ALA640 3TB SATA Enterprise HUS724030ALA640 Refurb · CMR · | 3TB | SATA-6G 7,200 RPM | CMR | — | 512n | — | $59.99 | REFURB | Buy →Details | ▼ | |
$31.21 ↓ vs 30d avg | Seagate BarraCuda 3TB ST3000DM001 ST3000DM001 Refurb · | 3TB | SATA-6G 7,200 RPM | — | — | — | — | $93.62 | REFURB | Buy →Details | ▼ | |
$32.67 ↓ vs 30d avg | WD WD Purple 3TB WD30PURX WD30PURX Refurb · | 3TB | SATA-6G | — | — | — | — | $98.00 | REFURB | Buy →Details | ▼ | |
$33.33 ~ 30d avg | MDD 3TB SATA 6G 7200RPM Enterprise MDD3TSATA6472E Refurb · CMR · | 3TB | SATA-6G 7,200 RPM | CMR | 64MB | 512n | — | $99.99 | REFURB | Buy →Details | ▼ | |
$36.00 ↓ vs 30d avg | WD WD Purple 3TB WD30PURZ WD30PURZ Refurb · 3yr | 3TB | SATA-6G 5,400 RPM | — | 64MB | — | 3yr | $108.00 | REFURB | Buy →Details | ▼ | |
$49.87 ~ 30d avg | WD WD Red Legacy 3TB WD30EFRX WD30EFRX Refurb · CMR · | 3TB | SATA-6G | CMR | — | — | — | $149.60 | REFURB | Buy →Details | ▼ | |
$50.00 ↓ vs 30d avg | Seagate SkyHawk 3TB ST3000VX009 ST3000VX009 Refurb · CMR · 3yr | 3TB | SATA-6G | CMR | 256MB | — | 3yr | $149.99 | REFURB | Buy →Details | ▼ | |
$56.67 ~ 30d avg | HP MB3000GBKAC 3TB SATA 6G MB3000GBKAC Refurb · CMR · | 3TB | SATA-6G 7,200 RPM | CMR | — | 512n | — | $170.00 | REFURB | Buy →Details | ▼ | |
$58.33 ↑ vs 30d avg | Seagate BarraCuda 3TB ST3000DM001 ST3000DM001 | 3TB | SATA-6G 7,200 RPM | — | — | — | — | $175.00 | new | Buy →Details | ▼ | |
$66.66 ↑ vs 30d avg | WD WD Purple 3TB WD30PURX WD30PURX | 3TB | SATA-6G | — | — | — | — | $199.99 | new | Buy →Details | ▼ | |
$73.33 ↑ vs 30d avg | HGST HUS724030ALA640 3TB SATA Enterprise HUS724030ALA640 CMR · | 3TB | SATA-6G 7,200 RPM | CMR | — | 512n | — | $220.00 | new | Buy →Details | ▼ | |
$81.32 ↑ vs 30d avg | WD WD Purple 3TB WD30PURZ WD30PURZ 3yr | 3TB | SATA-6G 5,400 RPM | — | 64MB | — | 3yr | $243.95 | new | Buy →Details | ▼ | |
$98.15 ↑ vs 30d avg | Seagate SkyHawk 3TB ST3000VX009 ST3000VX009 CMR · 3yr | 3TB | SATA-6G | CMR | 256MB | — | 3yr | $294.45 | new | Buy →Details | ▼ |
Small-capacity SATA enterprise drives are often available as refurb datacenter pulls at rock-bottom prices. Check seller ratings and SMART data on arrival.
2-4TB external drives rarely contain enterprise mechanisms. At this capacity, buying bare enterprise drives is usually cheaper than shucking.
Perfect for home NAS builds, media servers, and development environments. At these capacities even consumer-grade is adequate, but enterprise CMR ensures RAID safety.
If you need IOPS over capacity, consider 10K SAS 2.5" drives instead. For pure storage, 7.2K SATA at 2-4TB is the cheapest entry point.
3TB SATA drives work well in RAID arrays for home labs and small NAS builds. At this capacity, consider RAID 10 for performance or RAID 5 for capacity.
Seagate Barracuda, WD Red, and MDD Enterprise offer the widest selection at this capacity. Refurbished Exos and Ultrastar pulls are also common.
Refurbished 3TB SATA drives from datacenter pulls offer 40-60% savings. For home NAS and non-critical storage, refurb is excellent value. For business NAS, new IronWolf Pro or Red Pro with full warranties provide peace of mind.
Get emailed when 3TB SATA drops below your target $/TB.
SATA enterprise HDDs offer the best $/TB for bulk nearline storage, backup targets and cold archive tiers.