(OLD MODEL) Crucial BX100 1TB SATA 2.5&rdquo; 7mm (with 9.5mm adapter) Internal Solid State Drive - CT1000BX100SSD1 Sequential reads/writes up to 535 / 450 MB/s on all file types Random reads/writes up to 90k / 87k IOPS on all file types Over 15x faster, 2x more reliable and 2x more energy efficient than a typical hard drive More durable than a hard drive Includes spacer for 9.5mm applications