The Biostar M700 is a solid-state drive in the M.2 2280 form factor, launched on November 22nd, 2019. It is available in capacities ranging from 256 GB to 1 TB. This page reports specifications for the 512 GB variant. With the rest of the system, the Biostar M700 interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the SM2263XT from Silicon Motion, a DRAM cache is not available. Biostar has installed 64-layer TLC NAND flash on the M700, the flash chips are made by Micron. Please note that this SSD is sold in multiple variants with different NAND flash or controller, which could affect performance, the "Notes" section at the end of this page has more info. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are processed more quickly. The M700 is rated for sequential read speeds of up to 2,000 MB/s and 1,600 MB/s write; random IOPS reach up to 240K for reads and 260K for writes.
At its launch, the SSD was priced at 50 USD. The warranty length is set to three years, which is above average, but shorter than the five years offered by many other vendors. The TBW rating for the Biostar M700 512 GB is unknown.