Gigabyte GP-GSM2NE3512GNTD
512Gb Gen3x4 series
NGFF ( M.2 ) MLC SSD with NVMe PCIe (Gen3.0) x4 mode
type 2280 -22x80x2.3mm (single sided)
HMB ( Host Memory Buffer ) with DMA support
burst performance read/write : 1700/1550 mb/sec ; random ioPS 4K read/write : 270000/340000