Plextor M8Pe AIC 256GB NVMe PCI-Express 3.0 x4 MLC Internal Solid State Drive (SSD) PX-256M8PeY Max Sequential Read: Up to 2000 MBps Max Sequential Write: Up to 900 MBps 4KB Random Read: Up to 210,000 IOPS Controller: Marvell 88SS1093 4KB Random Write: Up to 23,000 IOPS Cache: 512MB MTBF: 2,400,000 hours Operating Temperature: 0°C ~ +70°C