SSK
Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/16/17Pro, Windows, Mac, Android Phones and Tablets
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/16/17Pro, Windows, Mac, Android Phones and Tablets is a niche pick — read recent reviews before buying in the external storage category, priced around $419.99. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB… as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. SSK's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by SSK's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Capacity Reminder: 4tb external hard drive may display as 3725GB on Windows but 4TB on macOS due to measurement differences. The capacity reduction from hard drive actual capacity stems from algorithmic differences, where 1GB is calculated as 1,024MB on Windows versus 1,000MB on SSDs
- 1050 MB/s Speed: Instantly access to your files with blazing-fast 10Gbps external SSD read up to 1050MB/s and write up to 1000MB/s. LED Light indicates USB SSD instant activity
- Data Security: Master solid state drives health with S.M.A.R.T. monitoring. TRIM technology ensures consistent write speeds and extends the lifespan of the portable SSD
- USB-C & USB-A Cable: Both USB-C and USB-A cables featuring rapid USB 3.2 Gen2, this USB SSD effortlessly bridges devices, enabling seamless cross-platform file transfers between computers, smartphones, tablets and Phones
- Always Fast: No slowdowns during large file transfers. When transferring files smaller than 250GB, this external ssd remains steady 10Gbps with SLC caching (25%of the current available capacity is allocated for high speed cache)
Full Specifications
| Brand | SSK |
|---|---|
| Color | Grey |
| Model Name | SD500/4TB |
| Read Speed | 1050 Megabytes Per Second |
| Form Factor | Portable |
| Media Speed | 1000 Megabytes Per Second |
| Connectivity | USB-C |
| Model Number | SD500 |
| Compatibility | Android, iOS, Mac |
| Built-In Media | 4TB External SSD Drive, USB-A TO USB-C Cable (10Gbps), USB-C TO USB-C Cable (10Gbps) |
| Hard Disk Size | 4 TB |
| Hard-Drive Size | 4 TB |
| Mfr Part Number | SD500 |
| Number of Items | 1 |
Ready to buy?
SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/16/17Pro, Windows, Mac, Android Phones and Tablets is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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