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A small metal USB stick with a sliding cover revealing both a USB-C and a USB-A connector

SSK

SSK 256GB Dual USB-C / USB-A 3.2 Gen 2 Flash Drive

SKU CH-EHA9-PAJ2P

A dual USB-C and USB-A 3.2 Gen 2 flash drive with 256 GB capacity and up to 550 MB/s read speed for fast transfers between phones, tablets and computers

  • Total capacity256 GB
  • USB standardUSB 3.2 Gen 2

Capacity 256GB

  • Dual USB-C and USB-A ports simplify transfers between phones and computers
  • USB 3.2 Gen 2 interface delivers up to 550 MB/s read and 520 MB/s write speeds
  • Plug-and-play operation requires no software installation on any supported device
  • Zinc-alloy casing provides shock resistance and fast heat dissipation for data protection
  • Pre-formatted exFAT works with Windows, macOS, Linux, Android and iPhone 15

Dual USB-C and USB-A Drive

The SSK 256GB flash drive combines a USB-C connector and a USB-A 3.2 Gen 2 port in one zinc-alloy body. It is built for users who move large files between phones, tablets, laptops and desktop computers without carrying separate cables or adapters. The drive ships formatted in exFAT for immediate use across Windows, Linux, macOS and Android devices. It does not work with Lightning ports.

Sustained Transfer Behaviour

The drive maintains high read and write speeds throughout long transfers instead of dropping off sharply halfway through. Sequential rates reach up to 550 MB/s read and 520 MB/s write on a USB 3.2 Gen 2 host, while a USB 3.0 or 3.1 Gen 1 connection limits throughput to 450 MB/s. The metal casing provides fast heat dissipation to keep performance stable during extended workloads. Shock resistance protects data during daily transport.

Installation and Common Issues

Plug-and-play operation requires no driver or software installation on any supported platform. On Windows the usable capacity appears as roughly 238 GB because the OS calculates gigabytes as 1024 MB while the drive uses 1000 MB; macOS shows the full 256 GB. The only compatibility limitation is the absence of a Lightning connector for older iPhone models.

How it compares

Measured against everything we stock in USB Thumb Drives, at today’s prices. Recalculated every night.

Price $49.99
Pricier than about 63% of the 1,099 comparable items (median $31.99).
Total capacity 256 GB
Higher than about 80% of the 746 comparable items (median 64 GB).
Price per TB $195.27 per TB
Cheaper than about 60% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Total capacity256 GB
Ports & slots
USB standardUSB 3.2 Gen 2

Other versions of this model

4 more in the same range

Questions about this item

Does the zinc-alloy casing keep the drive cool enough when I move large 4K files all day?

The zinc-alloy body provides fast heat dissipation so the drive maintains stable read and write speeds without sharp drops during sustained transfers.

My laptop only has USB 3.0 Type-A ports — will I still get the advertised 550 MB/s read speed?

When connected to USB 3.0 or USB 3.1 Gen 1 the transfer speed is limited to 450 MB/s; full 550 MB/s read requires a USB 3.2 Gen 2 port.

Can I plug this straight into my iPhone 15 and an older Android phone with a USB-C port without reformatting?

The drive ships formatted exFAT so it works immediately on iPhone 15, iPad, Mac, Windows, Linux and Android devices with USB-C; Lightning-port devices are not compatible.

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