Plextor M6e 256GB PCIe HHHL Internal Solid-State Drive (PX-256M6e-BK) Supports PCI Express Gen 2 x 2. Sequential read/write speed of the M6e Black Edition & M6e Black Edition Advanced to 770/ 580 MB/s. Random read/ write speeds also broke through the 105K/100K Supports S.M.A.R.T. and TRIM commands. Supports standard SATA external power cable Exclusive Software: Plexturbo; PlexVaut; PlexCompressor Unique Technology: True Speed; True Protect Supports bootable device and UEFI and Legacy BIOS boot up. Supports external cable for SSD access lighting.