Plextor M8Pe M.2 2280 1TB NVMe PCI-Express 3.0 x4 MLC Internal Solid State Drive (SSD) PX-1TM8PeG Max Sequential Read: Up to 2500 MBps Max Sequential Write: Up to 1400 MBps 4KB Random Read: Up to 280,000 IOPS Controller: Marvell 88SS1093 4KB Random Write: Up to 240,000 IOPS Cache: 1024MB MTBF: 2,400,000 hours HeatSink: Yes