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Small green circuit board M.2 2242 SSD with black chips and gold edge connector

Dogfish Technology

Dogfish Technology 2242-120GB 120GB M.2 2242 internal SSD

SKU CH-3G3E-VMDEV

A 120 GB M.2 2242 SATA SSD with 3D NAND, up to 550 MB/s read and 400 MB/s write, built-in ECC and DevSleep support

  • Total capacity120 GB
  • Sequential read speedUp to 500 MB/s
  • Sequential write speedUp to 300 MB/s
  • Interface typeM.2 2242
  • Form factorM.2 2242
  • Product typeInternal Solid State Drive (SSD)

Capacity 120GB

  • Fits tight laptop bays with 22 mm by 42 mm M.2 2242 form factor
  • Reads up to 550 MB/s for fast boot and app load
  • Writes up to 400 MB/s to move files quickly
  • 3D NAND TLC with ECC and bad-block management protects data
  • DevSleep ultra-low power state extends battery life

M.2 2242 SATA SSD for thin laptops

The Dogfish Technology 2242-120GB is a 120GB internal solid-state drive built in the M.2 2242 form factor with a SATA III 6 Gb/s interface. It uses 3D NAND flash and an SMI controller to deliver sequential reads up to 500 MB/s and writes up to 300 MB/s. The module measures 42 mm by 22 mm and weighs 7.0 g.

Fits 22 mm wide slots in ultraportables

This drive suits owners of thin-and-light laptops or small desktops that accept a 2242-length SATA module and need a modest capacity boost. Systems requiring a longer M.2 card, a PCIe interface or higher throughput should consider other options.

SATA III 6 Gb/s interface decides compatibility

The drive communicates over the SATA III 6 Gb/s protocol through the M.2 2242 connector, so the host must provide a SATA-wired M.2 slot. A PCIe-only slot will not work with this module.

How it compares

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

Price $37.99
Cheaper than about 93% of the 1,994 comparable items (median $180.49).
Total capacity 120 GB
Lower than about 95% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 500 MB/s
Lower than about 90% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $316.58 per TB
Pricier than about 78% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameTHREE COLOUR DOGFISH
Product line2242-120 GB
Model name2242-120 GB
Total capacity120 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 500 MB/s
Sequential write speedUp to 300 MB/s
Storage
NAND flash type3D NAND
Controller chipSMI
Ports & slots
Interface typeM.2 2242
Size & build
Form factorM.2 2242
Overall height42MM
Overall width22 mm
Product depth3.2MM
Product weight7.0G
Environment & compliance
Operating temperature range0 °C to 75 °C
Storage temperature range-45 °C to 85 °C
More details
Mean time between failures1,000,000 h

Other versions of this model

5 more in the same range

Questions about this item

What sustained write speed can I expect before the drive slows down?

The drive is rated for up to 300 MB/s sequential write; sustained workloads will stay within the SATA 6 Gb/s link limit.

How much heat and noise does the drive add during all-day operation?

With no moving parts and a 7 g weight, it adds negligible heat and runs silently; the operating range is 0 °C to 75 °C.

Which slot and protocol must my laptop already have for this drive to work?

An M.2 2242 key slot wired for SATA is required; the drive is 42 mm long, 22 mm wide and 3.2 mm thick.

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