Introduction

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 500GB 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.

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

Features

SSD form factor

M.2

SSD capacity

250 GB

Interface

Serial ATA III

Memory type

3D NAND

NVMe

N

Component for

Notebook

Hardware encryption

N

Data transfer rate

6 Gbit/s

Read speed

500 MB/s

Write speed

330 MB/s

Random read (4KB)

40000 IOPS

Random write (4KB)

75000 IOPS

DevSlp (device sleep) support

Y

S.M.A.R.T. support

Y

TRIM support

Y

Native Command Queuing (NCQ)

Y

Mean time between failures (MTBF)

2000000 h

Windows operating systems supported

Windows 10, Windows 11, Windows 7, Windows 8, Windows 8.1

Linux operating systems supported

Kernel 2.6.31, Kernel 2.6.33, Kernel 3.12, Kernel 3.17, Kernel 3.3, Kernel 4.6.4, Linux Kernel 5.8

TBW rating

90

Certification

CE, FCC, BSMI, KC, RCM, UKCA

Power

Operating voltage

3.3 V

Operational conditions

Operating temperature (T-T)

0 - 70 °C

Maximum operating temperature

70 °C

Weight & dimensions

Width

22 mm

Depth

42 mm

Height

3.58 mm

Weight

5 g