MPN:
STKM4000400
Seagate Expansion STKM4000400 external hard drive 4 TB 2.5″ 3.2 Gen 1 (3.1 Gen 1) Black
- Capacity
- 4 TB
- Depth
- 20.9 mm
- Wi-Fi
- N
- Width
- 80 mm
- Height
- 115.3 mm
- Weight
- 257 g
- Drive form factor
- 2.5
- User guide
- Y
- USB version
- 3.2 Gen 1 (3.1 Gen 1)
Overview
Seagate Expansion portable drive, add-on storage for your PC
The Seagate Expansion portable drive is compact and perfect for onthe-go. Instantly add more storage space to your PC or Mac and take large files with you when you travel.
Setup is simple and straightforward; simply connect a single USB cable and you are ready to go. The drive is powered from the USB cable, so there is no need for an external power supply. Plus, it is automatically recognized by the Windows or Mac operating system, so there is no software to install and nothing to configure. Saving files is easy—simply drag-and-drop.
Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.
Hardware Compatibility
Hardware Quest Open-DBPhysical clearance, socket pinout, and chipset validation are continuously indexed from verified hardware specifications. Complete dimensions and socket pairing rules will display here once verified.
Technical Specifications
Showing 19 key specifications of 19
All values come from this product’s catalog record.- Capacity
- 4 TB
- Depth
- 20.9 mm
- Wi-Fi
- No
- Width
- 80 mm
- Height
- 115.3 mm
- Weight
- 257 g
- Drive form factor
- 2.5
- User guide
- Yes
- USB version
- 3.2 Gen 1 (3.1 Gen 1)
- Ethernet LAN
- No
- Colour
- Black
- Thunderbolt technology
- No
- macOS versions supported
- Yes
- Windows versions supported
- Yes
- Package depth
- 40 mm
- Package width
- 105 mm
- Package height
- 146 mm
- Package weight
- 340 g
- Customs (HS) code
- 84717050
Market Value History
Price history table
| Date | Price |
|---|---|
| 2025-05-06 | $134.94 |
| 2025-05-13 | $131.13 |
| 2025-05-20 | $135.05 |
| 2025-05-26 | $135.07 |
| 2025-06-02 | $133.81 |
| 2025-06-11 | $133.79 |
| 2025-06-17 | $133.82 |
| 2025-06-24 | $133.81 |
| 2025-06-30 | $135.95 |
| 2025-07-07 | $135.07 |
| 2025-07-16 | $134.02 |
| 2025-07-21 | $134.00 |
| 2025-07-28 | $134.01 |
| 2025-08-19 | $133.97 |
| 2025-08-26 | $133.98 |
| 2025-09-01 | $192.96 |
| 2025-09-08 | $119.99 |
| 2025-09-15 | $192.96 |
| 2025-09-22 | $179.05 |
| 2025-09-29 | $192.96 |
| 2025-10-07 | $156.80 |
| 2025-10-13 | $120.28 |
| 2025-11-04 | $119.63 |
| 2025-11-13 | $124.99 |
| 2025-11-17 | $188.48 |
| 2025-11-24 | $167.64 |
| 2025-12-01 | $168.42 |
| 2025-12-10 | $119.99 |
| 2025-12-22 | $119.99 |
| 2025-12-30 | $149.99 |
| 2026-01-07 | $149.99 |
| 2026-01-18 | $131.53 |
| 2026-01-22 | $149.99 |
| 2026-01-28 | $131.53 |
| 2026-02-03 | $149.99 |
| 2026-02-20 | $191.69 |
| 2026-02-24 | $175.09 |
| 2026-03-02 | $190.49 |
| 2026-03-10 | $192.00 |
| 2026-03-16 | $184.70 |
| 2026-03-26 | $184.73 |
| 2026-04-01 | $207.75 |
| 2026-04-13 | $199.50 |
| 2026-04-23 | $199.99 |
| 2026-04-28 | $198.30 |
| 2026-05-04 | $199.49 |
| 2026-05-12 | $199.49 |
| 2026-05-25 | $199.49 |
| 2026-06-04 | $196.50 |
| 2026-06-11 | $199.49 |
| 2026-06-15 | $199.49 |
| 2026-06-22 | $233.12 |
| 2026-06-29 | $208.60 |
| 2026-07-06 | $200.46 |
| 2026-07-13 | $221.46 |
| 2026-07-20 | $215.27 |
| 2026-07-27 | $228.70 |
| 2026-08-04 | $230.21 |
| 2026-08-10 | $231.19 |
| 2026-08-17 | $249.28 |
Customer Reviews & Feedback
Based on 20,185 verified customer reviews on Amazon US.
Review Verification
Hardware Quest synchronizes these ratings daily with Amazon to reflect real buyer experiences, build quality, and long-term reliability.
Sources
Product lifecycle
Catalog: on-marketThe current catalog record marks this product as on-market; this is not independent manufacturer confirmation.
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