Seagate Expansion Desktop Spec and Price in the United States
Seagate Expansion Desktop is the bare external: a 3.5-inch drive with USB 3.0, no software, and a one-year warranty — Seagate's value answer to WD Elements, per the Seagate product page. The drive inside is a CMR unit; Seagate publishes no transfer rate for it. It is a pure capacity play from 4TB to 24TB, with the largest single-drive desktop externals Seagate sells at the top of the range.
Captured periodically and may have changed.
- 4TB
- 6TB
- 8TB
- 10TB
- 12TB
- 14TB
- 16TB
- 20TB
- 22TB
- 24TB
Each point is one capture, not a list price. How we track prices
Specifications
- Capacity
- 8TB
- Interface
- USB
- Form factor
- 3.5-inch
- Warranty
- 1 years
Capacities
| Configuration | Part number | Current best price |
|---|---|---|
| 4TB | STKP4000400 | $198.07 at Amazon.com · captured 2026-09-13 |
| 6TB | STKP6000400 | $219.99 at Amazon.com · captured 2026-09-15 |
| 8TB | STKP8000400 | $279.99 at Newegg · captured 2026-09-15 |
| 10TB | STKP10000400 | $344.29 at Amazon.com · captured 2026-09-15 |
| 12TB | STKP12000400 | $599.00 at Amazon.com · captured 2026-09-09 |
| 14TB | STKP14000402 | $660.00 at Newegg · captured 2026-09-15 |
| 16TB | STKP16000400 | $616.10 at Amazon.com · captured 2026-09-15 |
| 18TB | STKP18000400 | — |
| 20TB | STKP20000400 | $993.99 at Newegg · captured 2026-09-15 |
| 22TB | STKP22000400 | $812.56 at Amazon.com · captured 2026-09-13 |
| 24TB | STKP24000400 | $699.99 at Amazon.com · captured 2026-09-15 |
Guides for this category
What owners and reviewers say
Summarised from 1 source(s), reviewed September 13, 2026. A source is counted only where it names this model exactly. How we track prices
Commonly praised
- Delivers a huge amount of capacity for far less than an equivalent bare internal drive.
- Good value for buyers willing to remove it from the enclosure, with a straightforward layout.
Commonly criticised
- Requires a separate power adapter rather than being bus-powered, and uses an older connector instead of USB-C.
- The enclosure is awkward to open.
Sources behind this summary
Sources
Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.