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Red aluminium M.2 2242 external SSD, 10 by 3 by .9 cm, 70g

Dogfish Technology

Dogfish Technology 512GB M.2 2242 USB 3.1 Type-C external SSD

SKU CH-HS2H-86M65

A 512GB M.2 2242 external SSD with USB 3.1 Gen-2 Type-C reaching 540 MBps read and 420 MBps write in a 70g aluminium case

  • Total capacity512 GB
  • Sequential read speedUp to 540 MB/s
  • Sequential write speedUp to 420 MB/s
  • Interface typeUSB 3.1 Gen-2 Type-C (10Gb/s)
  • Form factorM.2 2242
  • Product typeExternal Solid State Drive (SSD)
  • Ultra-compact at 10 × 3 × 0.9 cm for easy carry
  • Weighs only 70 g so it fits in any bag
  • USB 3.1 Gen-2 Type-C delivers up to 540 MB/s read
  • Sequential write reaches 420 MB/s for fast transfers
  • 3D NAND with TRIM, ECC and S.M.A.R.T. ensures data integrity

512GB M.2 2242 USB-C external SSD

This Dogfish Technology drive packs 512GB of 3D NAND storage into an M.2 2242 form factor with a USB 3.1 Gen-2 Type-C interface. It is built for users who need fast portable storage that works across Windows, macOS, Android and Linux devices.

Sustained load behaviour

Sequential reads reach up to 540 MBps and writes up to 420 MBps over the 10Gb/s link. The controller includes bad-block management, TRIM, garbage collection, S.M.A.R.T monitoring and ECC error correction to maintain consistent throughput and data integrity during long transfers.

Installation and common issues

The drive uses a single Type-C cable that adapts to both computers and phones, so no extra cables are required. It arrives without any pre-loaded data; users should download a clean OS image from the official source to avoid malware. Actual usable capacity is slightly lower than 512GB because operating systems calculate gigabytes in 1024-based units while the drive is labelled in 1000-based units.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $62.99
Cheaper than about 85% of the 1,994 comparable items (median $180.49).
Total capacity 512 GB
Lower than about 60% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 540 MB/s
Lower than about 83% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $123.03 per TB
Cheaper than about 71% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameDogfish Technology
Total capacity512 GB
Product typeExternal Solid State Drive (SSD)
Performance
Sequential read speedUp to 540 MB/s
Sequential write speedUp to 420 MB/s
Storage
NAND flash type3D NAND
Ports & slots
Interface typeUSB 3.1 Gen-2 Type-C (10Gb/s)
Size & build
Form factorM.2 2242

Questions about this item

Will this drive fit inside my laptop's M.2 slot?

The drive is built as an external USB enclosure containing an M.2 2242 module. It connects via the supplied Type-C cable and is not designed for direct internal installation.

What devices can I use it with?

The enclosure supports USB 3.1 Gen-2 Type-C at 10Gb/s and works with Windows, macOS, Linux and Android devices that have a compatible USB-C or USB-A port.

What real-world speeds should I expect?

Sequential reads reach up to 540 MB/s and writes up to 420 MB/s over USB 3.1 Gen-2. Actual throughput depends on the host controller, cable quality and file sizes.

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