Vi550 SATA III 2.5" Internal SSD is an ideal choice for transforming the performance of any hard drive-based PC or laptop computer. Featuring the SATA III interface, the Vi550 Internal SSD features transfer speeds of up to 560MB per second read speed and up to 535MB per second write speed. With transfer speeds far superior to mechanical hard drives, get ready to experience decreased system boot time, more efficient multitasking and faster system responsiveness. This SSD utilizes 3D NAND flash technology along with a Phison controller to deliver lightning-fast and reliable SSD performance. Memory capacity is 128GB. Compact drive measures 2.75" x 3.94" x 0.28".