The Transcend MTE250S is a solid-state drive in the M.2 2280 form factor, launched on October 26th, 2022. It is available in capacities ranging from 1 TB to 4 TB. This page reports specifications for the 4 TB variant. With the rest of the system, the Transcend MTE250S interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the SM2264F from Silicon Motion, a DRAM cache chip is available. Transcend has installed 112-layer TLC NAND flash on the MTE250S, the flash chips are made by Toshiba. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are handled more quickly. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The MTE250S is rated for sequential read speeds of up to 7,500 MB/s and 6,700 MB/s write; random IO reaches 540K IOPS for read and 440K for writes.
The SSD's price at launch is unknown. The warranty length is set to five years, which is an excellent warranty period. Transcend guarantees an endurance rating of 3120 TBW, a typical value for consumer SSDs.