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SSK 512GB USB C Flash Thumb Drive up to 550MB/s Dual USB C+A Memory Stick | 2… competes with other External Storage products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full External Storage category for alternatives.

SSK

SSK 512GB USB C Flash Thumb Drive up to 550MB/s Dual USB C+A Memory Stick | 2 in 1,OTG,USB A+C 3.2 Gen2,High Speed,Zinc Alloy,External Solid State Drive for iPhone 15/16/17/Android Phone/MAC

Name: SSK 512GB USB C Flash Thumb Drive up to 550MB/s Dual USB C+A Memory Stick | 2 in 1,OTG,USB A+C 3.2 Gen2,High Speed,Zinc Alloy,External Solid State
Brand: SSK
SKU: B0C365PLCC
Price: 87.99 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 →

$87.99

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View Current Price on Amazon → Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-08-17. Price and availability subject to change.

Bottom line: The SSK 512GB USB C Flash Thumb Drive up to 550MB/s Dual USB C+A Memory Stick | 2 in 1,OTG,USB A+C 3.2 Gen2,High Speed,Zinc Alloy,External Solid State Drive for iPhone 15/16/17/Android Phone/MAC is a niche pick — read recent reviews before buying in the external storage category, priced around $87.99. Compare close alternatives before committing.

The SSK 512GB USB C Flash Thumb Drive solves the dongle problem by putting a USB-C connector on one end and a USB-A 3.2 Gen 2 connector on the other, so the same stick plugs into an Android phone, a MacBook, a Windows laptop, a smart TV, or a car audio system without an adapter. SSK rates it at up to 550MB/s read and 500MB/s write, which is why a 4K video folder moves in the time a standard USB 3.0 stick is still spinning up. The housing is zinc alloy rather than plastic, with a double-head protective cover that caps both connectors when the drive is in your pocket, and the metal body…

SpecPicks Verdict

SpecPicks scored SSK 512GB USB C Flash Thumb Drive up to 550MB/s Dual USB C+A Memory… 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

Dual Drive USB C + USB A: Equipped with an USB-C port and USB-A 3.2 port,the Dual USB SSD flash drive allows you transfer data between smartphone/tablet and computer more conveniently. Instantly release space or quickly move pictures or movies on your OTG enabled Android Type C phone, tablet, MacBook, Windows computer, car audio system, smart TV and more.
Ultra Fast High Speed: SSK USB 3.2 Gen 2 flash drive up to 550mb/s read speeds and 500mb/s write speed, which is 10 times faster than traditional USB 3.0 memory stick. Let you move high-resolution photos, videos fast and large-capacity files. Based on internal testing, performance may vary slightly due to factors such as host equipment, interfaces, and usage conditions.
Plug and Play: Ultra dual drive supports plug and play, without any software installation. At the same time, USB stick storage can expand the capacity of phones and computer. It is convenient for everyone to use the mobile phone to directly read the flash drive for file sharing, data transmission, and video playback when working or studying. Work with most systems such as Windows / Android/ Macbook Pro and Mac OS. (incompatible with lightning port)
Safe & Reliable: USB SSD drive is made of high-grade zinc alloy shell, which is resistant to falling and abrasion. The design of the double-head protective cover better protects the two interfaces. External memory stick have excellent shock resistance and fast heat dissipation performance to better protect your data.
Universal Compatibility: High speed USB stick external storage compatible with computer equipment, smart TV, car audio, smart phones, iPhone 15, iPad, Laptops, Macbook and more. Backward-compatible with USB 3.0 and USB 2.0 ports. Comes with default format EXFAT, it works with most systems such as Windows/Linux/Mac OS./Android(Incompatible with lightning port)

Full Specifications

Brand	SSK
Color	grey
Model Name	SD301/512GB
Read Speed	550 megabytes_per_second
Unit Count	1 Count
Form Factor	2.5-inch
Media Speed	500 MB per second
Connectivity	USB-C
Model Number	SD301
Compatibility	Android, iOS, Mac, Linux
Built-In Media	USB Cable
Hard Disk Size	512 GB
Hard-Drive Size	512 GB
Mfr Part Number	SD301
Number of Items	1
Special Feature	Portable, Shock Resistant
Installation Type	External Hard Drive
Compatible Devices	Portable, Smartphone, Tablet, Television
Data Transfer Rate	550 megabits_per_second
Enclosure Material	Nand Flash

Ready to buy?

SSK 512GB USB C Flash Thumb Drive up to 550MB/s Dual USB C+A Memory Stick | 2 in 1,OTG,USB A+C 3.2 Gen2,High Speed,Zinc Alloy,External Solid State Drive for iPhone 15/16/17/Android Phone/MAC 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.

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*Price sourced from Amazon.com. Last updated 2026-08-17. Price and availability subject to change.