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SSK

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

Name: 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
Brand: SSK
SKU: B0FJLKWXPK
Price: 419.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$419.99

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View Current Price on Amazon → Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The 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 a niche pick — read recent reviews before buying in the external storage category, priced around $419.99. Compare close alternatives before committing.

The SSK Portable SSD 4TB is a pocket-sized external solid state drive built for people who move large files between phones, laptops, and tablets without waiting. It runs on USB 3.2 Gen2 at 10Gbps, delivering read speeds up to 1050MB/s and write speeds up to 1000MB/s, so a folder of 4K footage or a Steam library backup lands in minutes rather than an afternoon. SSK ships both a USB-C and a USB-A cable in the box, which means the same drive plugs into an iPhone 15/16/17 Pro, an Android phone, a Mac, or an older Windows tower without hunting for an adapter. SLC caching keeps transfers under…

SpecPicks Verdict

SpecPicks scored SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the external storage category. SSK's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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
Special Feature	1050 MB/s, LED Light, Portable, SMR Technology, TRIM Support
Hardware Platform	Linux, Mac, PC
Installation Type	External Hard Drive
Compatible Devices	Desktop, Laptop, Smartphone, Tablet, Television
Data Transfer Rate	1050 Megabytes Per Second
Enclosure Material	Aluminum

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.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.