Manufacturer: Kioxia Corporation (Formerly Toshiba Memory)
Product Line: BG4 Series
Capacity: 256 GB
Interface: NVMe PCIe Gen3 x4
Flash Memory Type: 96-Layer BiCS FLASH (3D TLC NAND)
Performance: Up to 2,200 MB/s Sequential Read | Up to 1,400 MB/s Sequential Write
Architecture: DRAM-less with Host Memory Buffer (HMB) support
Form Factors: M.2 2230 (Single-sided), M.2 2242, M.2 2280
no warranty
It has been used for 3-4 months for office works.