TurboVS
Transcend MTE255S 2TB specifications and in-depth review

Transcend MTE255S 2TB

Manufacturer: Transcend

The Transcend MTE255S 2TB is a high-capacity M.2 NVMe solid-state drive built around the PCIe 4.0 interface, offering a practical storage option for users who need both speed and substantial space in a compact form factor. It uses TLC NAND flash memory managed by the Silicon Motion SM2268XT controller and relies on Host Memory Buffer (HMB) caching rather than dedicated DRAM, keeping the design lean while still leveraging system RAM for performance assistance. The drive ships without an integrated heatsink, so thermal management falls to the host system or an aftermarket solution.

On the performance side, the MTE255S 2TB is rated for sequential reads of 7400 MB/s and sequential writes of 6500 MB/s, while random workloads are handled at up to 700,000 read IOPS and 500,000 write IOPS. The four-channel controller supports NVMe version 2, and the drive recorded a PassMark SSD score of 33,761. Endurance is rated at 1,200 TBW with an MTBF figure of 2 million hours, and Transcend backs the drive with a five-year warranty. It also includes RGB lighting, though it does not offer hardware-level AES encryption support.

Pros
  • Sequential read and write speeds of 7400 MB/s and 6500 MB/s respectively indicate strong throughput for large file operations
  • Random read performance reaches 700,000 IOPS, supporting responsive handling of scattered data access patterns
  • A TBW rating of 1,200 terabytes points to solid long-term write endurance for sustained workloads
  • The five-year warranty provides extended coverage over a meaningful ownership period
  • An MTBF of 2 million hours reflects a high reliability rating for the drive
  • RGB lighting adds a visual customization element for builds where aesthetics matter
Cons
  • Relies on Host Memory Buffer instead of dedicated DRAM cache, which means caching performance depends on available system memory
  • No integrated heatsink is included, leaving thermal management entirely to the host system or a separately sourced solution
  • Hardware AES encryption is not supported, which limits options for users who require drive-level data security
  • The four-channel controller configuration may constrain parallelism compared to eight-channel designs at this storage capacity
Who is this for?

This drive is a strong fit for users running PCIe 4.0-compatible systems who regularly work with large files, such as video editors, software developers, or content creators who need high sequential throughput without bottlenecks. The 2TB capacity combined with a 1,200 TBW endurance rating makes it practical for workloads that involve frequent, sustained write activity over an extended period. Users building systems where aesthetics matter will also appreciate the inclusion of RGB lighting, and the five-year warranty makes it a reasonable long-term storage choice for desktop builds.

Who is this NOT for?

Users who require hardware-level AES encryption for data security compliance or sensitive environments will find this drive unsuitable, as it offers no such capability. Those working in thermally constrained systems or compact form factors where heat management is critical may be at a disadvantage given the absence of an integrated heatsink, since temperature control relies entirely on the host platform. Additionally, users who depend on system memory for other demanding tasks may find that the HMB caching approach introduces inconsistency, as cache performance is tied to available RAM rather than a dedicated onboard buffer.

Read speed:

sequential read speed 7400 MB/s
random read speed 700000 IOPS

The Transcend MTE255S 2TB delivers a sequential read speed of 7400 MB/s, making it well-suited for large file transfers and data-intensive tasks that benefit from high throughput. For workloads involving smaller, scattered data, the drive is rated at 700,000 read IOPS, reflecting solid performance in random access scenarios.

Write speed:

sequential write speed 6500 MB/s
random write speed 500000 IOPS

The MTE255S 2TB is rated for a sequential write speed of 6500 MB/s, handling sustained write operations across large files at a strong throughput level. When it comes to random write workloads, the drive is specified at 500,000 write IOPS, providing reliable responsiveness for tasks that involve frequent, non-sequential data writes.

Benchmarks:

PassMark result 33761

The Transcend MTE255S 2TB achieved a PassMark score of 33,761, reflecting the drive's measured performance as recorded through standardized benchmark testing.

General info:

type M2
SSD cache HMB (Host Memory Buffer)
Is an NVMe SSD ✓
NVMe version 2
internal storage 2000GB
controller Silicon Motion SM2268XT
SSD storage type TLC
PCI Express (PCIe) version 4
Controller channels 4
Terabytes Written (TBW) 1200
MTBF 2million hours
warranty period 5 years
Has an integrated heatsink ✕
bits of encryption supported 0
has RGB lighting ✓

The Transcend MTE255S 2TB is an M.2 NVMe SSD operating over a PCIe 4.0 interface and conforming to NVMe version 2, with 2000GB of internal storage built on TLC NAND flash. It is driven by the Silicon Motion SM2268XT controller running four channels, and uses Host Memory Buffer (HMB) in place of dedicated DRAM cache. The drive carries a TBW rating of 1,200 terabytes and an MTBF of 2 million hours, backed by a five-year warranty. It does not include an integrated heatsink and offers no hardware AES encryption support, though it does feature RGB lighting.

Final Verdict

The Transcend MTE255S 2TB presents itself as a capable PCIe 4.0 M.2 NVMe drive built around a clear set of priorities: high sequential throughput, solid endurance, and a five-year warranty that signals confidence in long-term reliability. Its sequential read speed of 7400 MB/s and a 1,200 TBW rating make it a practical choice for desktop users handling data-heavy workloads who want dependable sustained performance without managed DRAM overhead. That said, the absence of hardware encryption and an integrated heatsink means it suits best those working in thermally accommodating systems with no strict security requirements. For users whose platform aligns with those conditions, the MTE255S 2TB is a well-specified drive that covers the essentials without unnecessary compromise.