SSK
SSK USB Drive 128GB up to 550MB/s External SSD USB C+A 3.2 Thumb Drive
Bottom line: The SSK USB Drive 128GB up to 550MB/s External SSD USB C+A 3.2 Thumb Drive: Rated 560MB/s read and 500MB/s write, SSD-class speed in a thumb drive; main trade-off: 128GB fills fast with 4K video, and Windows shows only about 119GB usable.
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Pros & Cons
Pros
- ✓ Rated 560MB/s read and 500MB/s write, SSD-class speed in a thumb drive
- ✓ USB-C and USB-A on one stick via a 2-in-1 sliding switch, with no cap to lose
- ✓ Zinc alloy metal housing built for travel and daily carry
- ✓ S.M.A.R.T. monitoring and TRIM support, rare on a flash stick
- ✓ Plug-and-play on Windows, macOS, Linux, Android and iPadOS with no software
Cons
- ✗ 128GB fills fast with 4K video, and Windows shows only about 119GB usable
- ✗ No Lightning plug, so older Lightning iPhones and iPads cannot use it
- ✗ Listing gives both 550MB/s and 560MB/s read, so treat the peak speed as approximate
- ✗ Maker warns against unplugging mid-transfer, so always eject it safely first
SpecPicks Verdict
SpecPicks scored SSK USB Drive 128GB up to 550MB/s External SSD USB C+A 3.2 Thumb Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. SSK's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for ssds & 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Extra Fast 560 MB/s Portable USB SSD: 10x Quicker than Old USB Drives!Experience blazing 560MB/s read and 500MB/s write speeds—perfect for transferring high-res photos, 4K videos, and large files in seconds.With built-in S.M.A.R.T.monitoring and TRIM support,your data stays secure,and performance remains consistent over time.A reliable, compact external ssd for creators and professionals on the go
- USB Photo Stick with 2 in 1 Sliding Design: With 2 in 1 Sliding switch design,SSK USB C 3.2 Flash Dual drive allows you transfer data between smartphone/tablet and computer conveniently,and also get rid of lossing your cap! Instantly release space or quickly move pictures or movies on your OTG enabled Android Type C phone, tablet, Windows computer,smart TV and more
- Plug&Play USB Thumb Drive—Instant Phone & PC Storage Expansion:Experience true plug-and-play convenience. This USB C Memory Stick requires no software or external power, instantly adding massive storage to your phone and computer via USB-C. It's the simplest solution for direct file sharing, fast data transfer, and smooth video playback from your mobile device, ideal for work or study on the go
- Zinc Alloy & Rugged usb hard drive:Encased in a robust zinc alloy metal housing, it rivals full-sized SATA SSD performance.USB storage flash drive built for ultimate durability,offering reliable data protection for on-the-go use.The ideal blend of U-portability and SSD power.Tips: Always eject safely before disconnecting. Never disconnect the USB SSD from the computer during data transfer
- Universal Compatibility: High speed memoria usb drive compatible with computer equipment, smart phones, iPhone 15, iPad, xBOX, Laptops, Macbook and more.External solid state drives works with most systems such as Windows、macOS、Linux、Android、iPadOS/Android(Incompatible with lightning port)
- Capacity Note Storage:For a 128 GB SSD USB stick its displayed capacity often varies between operating systems: it typically shows the full 128 GB on macOS but only around 119 GB on Windows. The capacity reduction from flash drive actual capacity stems from algorithmic differences, where 1GB is calculated as 1024MB on Windows versus 1000MB on SSDs
Full Specifications
| Brand | SSK |
|---|---|
| Model Name | SD304/128GB |
| Read Speed | 560 megabits_per_second |
| Unit Count | 1 Count |
| Form Factor | USB Thumb Drive |
| Media Speed | 500 megabytes_per_second |
| Connectivity | USB-C |
| Model Number | SD304 |
| Compatibility | PC, Xbox, Switch, Android, iOS, Mac, Linux |
| Built-In Media | SSD drive, protective cover, user manual |
| Hard Disk Size | 128 GB |
| Hard-Drive Size | 128 GB |
| Number of Items | 1 |
| Package include | 1 pc SD304,1 pc protective cover,1 pc user manual |
| Special Feature | Portable |
| Installation Type | External Hard Drive |
| Compatible Devices | Laptop |
| Data Transfer Rate | 550 megabytes_per_second |
| Additional Features | Portable |
| Hard Disk Interface | USB 3.2 |
Ready to buy?
SSK USB Drive 128GB up to 550MB/s External SSD USB C+A 3.2 Thumb Drive is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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