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

Dogfish Technology

Dogfish Technology 2242-240GB M.2 2242 internal SSD

SKU CH-WMBS-3G74G

M.2 2242 SATA internal SSD with 240 GB capacity, up to 550 MB/s read and 400 MB/s write, 3D NAND and SM2256KAB controller

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2242
  • Capacity240GB
  • Memory Components3D NAND
  • InterfaceSATA3

Options 240GB

  • M.2 2242 form factor fits slim laptops and compact desktops
  • SATA III interface delivers up to 550 MB/s read and 400 MB/s write
  • 3D NAND TLC memory provides 240 GB capacity with enhanced reliability
  • Built-in ECC and bad-block management protect data integrity
  • DevSleep ultra-low power state extends battery life in portable devices

Compact M.2 2242 drive for space-constrained systems

This 2242 form factor SSD fits laptops, ultrabooks and small-form-factor desktops that only accept a 42mm module. The SATA 6 Gb/s interface works with any host that supports the AHCI protocol. It delivers 240GB of 3D NAND storage for everyday computing.

Built-in ECC, bad-block management

The SM2256KAB controller applies error correction and wear-leveling algorithms to extend cell life. DevSleep enables an ultra-low power state that reduces battery drain during idle periods. SMART, TRIM and NCQ commands are also supported for health monitoring and sustained write performance.

Sequential speeds limited by the SATA 6 Gb/s ceiling

Maximum sequential read reaches 450 MB/s and write reaches 400 MB/s, well below the interface theoretical limit. Random I/O and sustained workloads will fall further as the drive fills. Operating temperature range is 0 °C to 75 °C, so thermal throttling may occur in poorly ventilated chassis.

Highlights

  • M.2 2242 form factor fits slim laptops and compact desktops
  • SATA III interface delivers up to 550 MB/s read and 400 MB/s write
  • 3D NAND TLC memory provides 240 GB capacity with enhanced reliability
  • Built-in ECC and bad-block management protect data integrity
  • DevSleep ultra-low power state extends battery life in portable devices

Specifications

BrandTHREE COLOUR DOGFISH
Series2242-240GB
Model2242-240GB
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2242
Capacity240GB
Memory Components3D NAND
InterfaceSATA3
ControllerSM2256KAB
Max Sequential ReadUP TO 450MBps
Max Sequential WriteUP TO 400MBps
MTBF10,000,000 hours
Operating Temperature0°C ~ +75°C
Storage Temperature-40°C ~ +85°C
Operating Humidity0% ~ 95%
Height42MM
Width22mm
Depth3.2MM
Weight7.0G

Other versions of this model

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Questions about this item

Will the 3D NAND TLC memory or SM2256KAB controller need replacement within the 10,000,000 hour MTBF rating?

The drive has no moving parts and uses 3D NAND with built-in ECC and bad-block management; under normal consumer workloads the SM2256KAB controller and memory are designed to last the full MTBF period without scheduled replacement.

What thermal limit appears first during sustained transfers on the SATA III 6 Gb/s interface?

The operating temperature ceiling is 75 °C; if the drive reaches that point the controller will throttle speeds to protect the 3D NAND and SM2256KAB components.

How much heat and noise does the 7.0 g M.2 2242 module produce when running all day?

With no moving parts the drive generates minimal heat and zero acoustic noise; power draw drops further in DevSleep ultra-low-power state during idle periods.

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