The solid state drive was pulled from BRAND laptops for upgrade purpose The SSD has been wiped and formatted It works with all brand laptops with a PCIe interface (SSD length 80mm) Capacity: 256GBInterface: PCIe Gen3 x4Maximum Interface Speed: 32 GT/s (PCIe Gen3 x4)Sequential Read up to (MB/s): 2,200Sequential Write up to (MB/s): 1,400Random Read up to (IOPS): 330KRandom Write up to (IOPS): 190KMTTF: 1,500,000 HOURS