This is a Kingston SKC600 256GB/SATA III SSD

Kingston's KC600 is a full-capacity SSD designed to deliver excellent performance and optimized to deliver functional system responsiveness with incredible boot, load and transfer times. It is presented in a 2.5' and mSATA formats with SATA Rev 3.0 backwards compatible interface. The KC600 uses state-of-the-art TLC 3D NAND technology and incorporates a sophisticated security package that includes 256-bit AES hardware encryption, TCG Opal 2.0 and eDrive. It reaches read/write speeds of up to 550/520 MB/s and can store up to 2 TB of data without difficulty.