Host Memory Buffer (HMB) The Host Memory Buffer (HMB) feature utilizes the DMA (Direct Memory Access) of PCI Express to allow SSDs to use some of the DRAM on PC system, instead of requiring the SSD to bring its own DRAM. Breaking the barriers of SATA limitations (512GB) Outstanding performance - GIGABYTE NVMe SSD provides performance for your daily computing tasks, boast of best controller & NAND flash that provide. - Sequential read speeds up to 1700 MB/s. - Sequential write speeds up to 1550 MB/s. - GIGABYTE M.2 PCIe SSD gives you faster data transferring experience compared to 2.5\" SATA solid state drive. SSD Tool Box The newly updated SSD Tool Box is an application that helps users monitor SSD Status, provides general information such as model name, FW version, health condition, drive optimization and also detects sensor temperature. Moreover, users can clear all the data with the Secure Erase function. You can download the SSD Tool Box from the Support. Capacity 512GB Model GP-GSM2NE3512GNTD Form Factor M.2 2280 Interface PCI-Express 3.0 x4, NVMe 1.3 Connections 1 x M.2 (SATA) Flash Memory Type NAND Flash Max Read/Write Read: Up to 1700 MB/s Write: Up to 1550 MB/s Max 4KB Random Read/Write Read: Up to 270K Write:Up to 340K MTBF 1.5M hours Dimensions (W x H x D) 80 x 22 x 2.3 mm