Verbatim's Vi550 SATA III 2.5" Internal SSDs are an ideal choice for transforming the performance of any hard drive-based PC or laptop computer. Featuring the SATA III interface, the Vi550 Internal SSDs boast transfer speeds of up to 520 MB/s read and up to 430 MB/s write. Sequential transfer speeds based on internal testing using ATTO benchmark. Actual performance may vary depending on host computer environment and use conditions. Transfer speeds are capacity dependent - see spec sheet for additional details. With transfer speeds far superior to mechanical hard drives, get ready to experience decreased system boot time, more efficient multi-tasking, and faster system responsiveness. These SSDs utilize cutting-edge 3D NAND flash technology to deliver lightning-fast and reliable SSD performance. The Vi550 SATA III 2.5" Internal SSDs are an ideal choice for upgrading your hard drive-based system.