Lenovo 4XB7A17089 internal solid state drive 2.5" 960 GB Serial ATA III 3D TLC NAND Mini PCI Express MacBook Air Power MacBook Air Power operating modes Hard drive SSD capacity 960 GB Memory type 3D TLC NAND Data transmission Read speed 540 MB s Write speed 520 MB s Random write (4KB) 75000 IOPS Random read (4KB) 95000 IOPS Write latency 100 µs Read latency 175 µs Data transfer rate 6 Gbit s Security Security algorithms 256 bit AES Endurance Uncorrectable Bit Error Rate (UBER) < 1 per 10^17 bits read Mean time between failures (MTBF) 3000000 h Certificates Certification CE 5" Sustainability certificates RoHS Weight & dimensions Package width 174 mm Package depth 133 mm Package height 63 mm Package weight 434 g Width 70 mm Weight 70 g Height 7 mm Depth 100 mm Packaging data Package width 174 mm Package depth 133 mm Package height 63 mm Package weight 434 g Other features Uncorrectable Bit Error Rate (UBER) < 1 per 10^17 bits read