cheapest per tb
The cheapest terabytes you can buy today
Spinning disk only, in stock only, ranked purely on total delivered cost divided by capacity. No sponsored placement — a drive that pays us nothing outranks one that does if the maths says so.
As of 16 October 2026, the lowest cost per TB for in-stock SAS and SATA hard drives is $7.50/TB: the Hitachi Ultrastar 7K6000 2TB SAS, used, at $14.99 delivered (price plus shipping), from eBay. How this is calculated.
Models tracked
238
best $/TB
$7.50
average $/TB
$28.67
today's floor
- 1Hitachi Ultrastar 7K6000 2TB SAS$7.50/TB
- 2Seagate Constellation ES.3 4TB SAS$7.50/TB
- 3HGST Ultrastar 7K4000 3TB SAS$8.33/TB
- 4Toshiba MG04 2TB SAS$8.49/TB
- 5HGST Ultrastar 7K4000 2TB SAS$8.97/TB
Not sure what SAS / SATA / NVMe means? Try our 3-question buyer’s guide →
| Drive | Cond. | Buy | |||
|---|---|---|---|---|---|
Hitachi Ultrastar 7K6000 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 2TB | Used | $14.99 | $7.50 | Buy → |
| 4TB | Used | $30.00 | $7.50 | Buy → | |
HGST Ultrastar 7K4000 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 3TB | Used | $24.99 | $8.33 | Buy → |
Toshiba MG04 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 2TB | Used | $16.99 | $8.49 | Buy → |
HGST Ultrastar 7K4000 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 2TB | Used | $17.95 | $8.97 | Buy → |
HGST Ultrastar 7K4000 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 4TB | Used | $35.99 | $9.00 | Buy → |
| 3TB | Used | $27.00 | $9.00 | Buy → | |
| 4TB | Used | $38.00 | $9.50 | Buy → | |
| 2TB | Used | $19.99 | $9.99 | Buy → | |
| 4TB | Used | $40.45 | $10.11 | Buy → | |
HPE Midline SAS Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 4TB | Used | $44.95 | $11.24 | Buy → |
HPE Midline SAS Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 6TB | Used | $69.95 | $11.66 | Buy → |
Dell Enterprise Nearline Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 4TB | Used | $46.89 | $11.72 | Buy → |
Seagate Exos 7E8 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 1TB | Used | $11.95 | $11.95 | Buy → |
| 6TB | Used | $74.95 | $12.49 | Buy → | |
Dell Enterprise Nearline Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 6TB | Used | $75.00 | $12.50 | Buy → |
Hitachi Ultrastar 7K6000 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 4TB | Used | $49.99 | $12.50 | Buy → |
| 6TB | Used | $74.99 | $12.50 | Buy → | |
HPE 10K SAS SFF Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 900GB | Used | $11.95 | $13.28 | Buy → |
HGST Ultrastar He8 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 6TB | Used | $79.99 | $13.33 | Buy → |
Dell Enterprise 10K SAS Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 1.8TB | Used | $24.99 | $13.88 | Buy → |
Seagate Exos 10E2400 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 1.2TB | Used | $16.79 | $13.99 | Buy → |
| 12TB | Used | $170.00 | $14.17 | Buy → | |
| 1TB | Used | $14.55 | $14.55 | Buy → | |
Dell Enterprise 10K SAS Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 600GB | Used | $8.75 | $14.58 | Buy → |
| 6TB | Used | $87.95 | $14.66 | Buy → | |
Seagate Exos 10E2400 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 600GB | Used | $8.89 | $14.82 | Buy → |
| 10TB | Used | $155.00 | $15.50 | Buy → | |
| 8TB | Used | $125.00 | $15.63 | Buy → | |
WD Ultrastar DC HC510 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 8TB | Used | $125.00 | $15.63 | Buy → |
| 20TB | Used | $314.49 | $15.72 | Buy → | |
| 10TB | Used | $159.90 | $15.99 | Buy → | |
| 4TB | Used | $64.99 | $16.25 | Buy → | |
| 10TB | Used | $165.00 | $16.50 | Buy → | |
| 10TB | Used | $164.99 | $16.50 | Buy → | |
| 14TB | Refurb | $230.99 | $16.50 | Buy → | |
HPE 10K SAS SFF Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 600GB | Used | $9.93 | $16.55 | Buy → |
Dell Enterprise 10K SAS Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 900GB | Used | $14.95 | $16.61 | Buy → |
Dell Enterprise 10K SAS Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 1.2TB | Used | $19.98 | $16.65 | Buy → |
| 6TB | Used | $99.99 | $16.66 | Buy → | |
HGST Ultrastar 7K4000 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 3TB | Used | $50.00 | $16.67 | Buy → |
| 10TB | Used | $172.99 | $17.30 | Buy → | |
HPE 10K SAS SFF Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 1.2TB | Used | $21.00 | $17.50 | Buy → |
| 2TB | Used | $34.99 | $17.50 | Buy → | |
| 2TB | Used | $35.00 | $17.50 | Buy → | |
| 4TB | Used | $70.00 | $17.50 | Buy → | |
| 8TB | Used | $139.99 | $17.50 | Buy → | |
| 5TB | Refurb | $89.00 | $17.80 | Buy → | |
| 6TB | Used | $107.00 | $17.83 | Buy → | |
WD Ultrastar DC HC560 WUH722020ALE6L4 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 20TB | Used | $358.00 | $17.90 | Buy → |
| 500GB | Used | $8.99 | $17.98 | Buy → | |
| 6TB | Used | $109.99 | $18.33 | Buy → | |
| 6TB | Used | $109.99 | $18.33 | Buy → | |
| 3TB | Used | $55.05 | $18.35 | Buy → | |
HGST Ultrastar He8 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 8TB | Used | $149.00 | $18.63 | Buy → |
| 2.4TB | Used | $44.99 | $18.75 | Buy → | |
| 8TB | Used | $150.00 | $18.75 | Buy → | |
WD Ultrastar DC HC330 Listing identity unconfirmed. We cannot confirm this listing is exactly this model, so we do not rate it. | 10TB | Used | $189.00 | $18.90 | Buy → |
| 6TB | Used | $113.99 | $19.00 | Buy → | |
| 14TB | Used | $275.00 | $19.64 | Buy → |
prices last checked 2026-10-16 14:07 UTC
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