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

Dogfish Technology

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

SKU CH-PZZQ-S77FP

A compact M.2 2242 internal SSD with 120 GB capacity, SATA interface, 3D NAND flash, sequential read up to 500 MBps and write up to 420 MBps

  • Total capacity120 GB
  • Sequential read speedUp to 500 MB/s
  • Sequential write speedUp to 420 MB/s
  • Interface typeSATA III
  • Form factorM.2 2242
  • Product typeInternal Solid State Drive (SSD)

Model 120GB M.2 2242

Show 2 more
  • Compact M.2 2242 form factor fits slim laptops and desktops
  • 3D NAND flash memory provides 120 GB of reliable storage
  • Sequential read up to 500 MB/s speeds up boot and app loading
  • Sequential write up to 420 MB/s handles file saves and installs efficiently
  • MTBF of 1,000,000 hours indicates long-term drive endurance

Compact M.2 2242 form factor for tight spaces

The Dogfish Technology 2242-120GB is an internal solid-state drive built to the M.2 2242 form factor. It fits laptops and small-form-factor desktops that cannot accept longer modules. The SATA III interface provides broad compatibility with mainstream systems. This 120GB capacity suits operating-system installs and light application storage.

3D NAND TLC with SMI controller and firmware

The drive uses 3D NAND flash memory paired with an SMI controller. Built-in ECC and bad-block management correct errors on the fly. Support for DevSleep, S.M.A.R.T., TRIM and NCQ commands helps maintain performance and reduce power draw during idle periods. Sequential speeds reach up to 500 MB/s read and 420 MB/s write.

No moving parts with wide temperature tolerance

A solid-state design eliminates mechanical noise and reduces heat output compared with traditional hard drives. The module measures 22 mm by 42 mm by 3.2 mm and weighs 0.05 g. It operates from 0 °C to 75 °C and survives storage from -45 °C to 85 °C at up to 95 % humidity. An MTBF rating of 1,000,000 hours indicates long-term reliability.

How it compares

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

Price $39.99
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 $333.25 per TB
Pricier than about 80% 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 420 MB/s
Storage
NAND flash type3D NAND
Controller chipSMI
Ports & slots
Interface typeSATA III
Size & build
Form factorM.2 2242
Overall height42MM
Overall width22 mm
Product depth3.2MM
Product weight0.05g
Environment & compliance
Operating temperature range0 °C to 75 °C
Storage temperature range-45 °C to 85 °C
Operating humidity range0% ~ 95%
More details
Mean time between failures1,000,000 h

Other versions of this model

5 more in the same range

Questions about this item

Will this drive fit in a laptop slot that only accepts M.2 2242 modules?

Yes, the drive uses the M.2 2242 form factor measuring 22 mm wide by 42 mm long, matching that exact slot size.

Does the SATA III interface work with a motherboard that has an M.2 key M PCIe-only slot?

No, this is a SATA drive and requires an M.2 key B or key B+M slot wired for SATA; a key M PCIe-only slot will not support it.

What sequential read and write speeds should I expect in everyday file transfers?

The drive is rated for up to 500 MB/s read and up to 420 MB/s write over the SATA III interface.

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