VisionTek Products 500GB M.2 2280 SATA III NGFF Internal SSD 900831 Sequential Read/Write: Up to 550 MB/s at 128K/Up to 500 MB/s at 128K Ultra-efficient block management and wear leveling. Intelligent recycling for advanced free space management SATA 3.0 compliant; SATA 6.0Gb/s with 3Gb/s and 1.5Gb/s support Industry-standard, 512-byte sector size support.