SATA III M.2 SSDs

M.2 SSD 425S

Transcend's SATA III 6Gb/s M.2 SSD 425S comes with a small form factor and high-quality 3D NAND flash, upgrading your Ultrabooks and laptops in a snap. The SSD is designed with multiple firmware optimization technologies like SLC caching and LDPC ECC mechanism, which enhance the storage reliability and prolong the drive lifespan. A great difference can be made with a small upgrade.


Unparalleled performance

Featuring the M.2 standard (42mm), the mainstream SATA III 6Gb/s interface and a powerful controller, Transcend's M.2 SSD 425S reaches incredible read and write speeds of up to 530MB/s and 480MB/s, providing 1.5 times faster boot time than conventional hard drives.

Designed for slim devices

The height of the M.2 SSD 425S is only 42mm, making it ideal for Ultrabooks and lightweight notebooks. Thinner and lighter than normal hard drives, the M.2 SSD 425S gives your computer a much needed boost while saving space!

Respond fast

Dedicated to maximizing high-performance computing, the M.2 SSD 425S features 4k random file read and write speeds of up to 75,000 IOPS. It delivers incredibly short loading times and an almost instant response for heavy graphics and multimedia applications.

Store more in less space

Built with high-quality 3D NAND flash, the M.2 SSD 425S unleashes up to 1TB of capacity for your computer, adding more storage space and enhancing computing efficiency.

Remarkable reliability

Despite its extra-small dimensions, the M.2 SSD 425S contains advanced features that allow the data to be stored more reliably and for the SSD to have a longer lifespan.

RAID engine and LDPC coding

Detects and corrects transfer errors to prevent data corruption

Garbage Collection

Relocates existing data to release memory blocks

Wear-leveling

Distributes data evenly across memory cells to prolong SSD's lifespan

Built-in SLC caching technology

Saves loading times and boosts system responsiveness

DevSleep

Intelligently shuts down SATA interface when not in use to prolong device's battery life

SSD Scope software

Transcend SSD Scope is advanced, user-friendly software that makes it easy to ensure your Transcend SSD remains healthy, and continues to run fast with no errors. It determines the condition and optimizing the performance of your drive. Learn more

Guaranteed quality

Transcend’s solid state drives are built to the highest standards and rigorously tested, and offer outstanding quality, performance, and reliability.

Specifications

Appearance

Dimensions42.0 mm x 22.0 mm x 3.58 mm (1.65" x 0.87" x 0.14")
Weight5 g (0.18 oz)
Type
  • M.2 2242

Interface

Bus Interface
  • SATA III 6Gb/s

Storage

Flash Type
  • 3D NAND flash
Capacity
  • 250GB
  • 500 GB
  • 1 TB

Operating Environment

Operating Temperature0°C (32°F) ~ 70°C (158°F)
Operating Voltage
  • 3.3V±5%

Performance

Sequential Read/Write (CrystalDiskMark)
  • TB
    up to / MB/s
  • TB
    up to / MB/s
  • 500 GB
    up to 530/480 MB/s
  • 250 GB
    up to 500/330 MB/s
  • GB
    up to / MB/s
  • GB
    up to / MB/s
  • GB
    up to / MB/s
4K Random Read/Write (IOmeter)
  • TB
    up to / IOPS
  • TB
    up to / IOPS
  • 500 GB
    up to 50,000/75,000 IOPS
  • 250 GB
    up to 40,000/75,000 IOPS
  • GB
    up to / IOPS
  • GB
    up to / IOPS
  • GB
    up to / IOPS
Terabytes Written (TBW)
  • TB
    TBW
  • TB
    TBW
  • 500 GB
    180 TBW
  • 250 GB
    90 TBW
  • GB
    TBW
  • GB
    TBW
  • GB
    TBW
Mean Time Between Failures (MTBF)2,000,000 hour(s)
Drive Writes Per Day (DWPD)0.3 (3 yrs)
Note
  • Speed may vary due to host hardware, software, usage, and storage capacity.
  • The workload used to rate DWPD may be different from your actual workload, which may vary due to host hardware, software, usage, and storage capacity.
  • Terabytes Written (TBW) expresses the endurance under the highest capacity.
  • For Mac users please visit our Apple Solutions here.

Warranty

Certificate
  • CE
  • FCC
  • BSMI
  • KC
  • RCM
  • UKCA
Warranty
  • Three-year Limited Warranty
Warranty Policy
  • Please click here for more information about the Transcend Warranty Policy.
  • Warranty does not apply when SSD Scope's lifetime indicator displays 0% within the warranty coverage.

System Requirement

Operating System
  • Microsoft Windows 7 or later
  • Linux Kernel 2.6.31 or later

Technology

TRIM & NCQ Command
S.M.A.R.T.
DDR3 DRAM Cache
  • -
Advanced Garbage Collection
DevSleep Mode
RAID Engine
LDPC Coding

Order Information

250GB
  • TS250GMTS425S
500GB
  • TS500GMTS425S
1TB
  • TS1TMTS425S

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