IRRATIONALLY FAST. IMPOSSIBLY REAL. Long load times are obsolete with next-gen PCIe Gen4 technology. Arm your system with RGB lighting, an optional heatsink model, and up to 2TB capacity. EXPERIENCE SUPREME PERFORMANCE Prepare for the next evolution of speed with the WD_BLACK SN850 NVMe SSD, giving you supreme PCIe Gen4 technology for your PC or laptop so you dont lag out on the next generation of games. SPEED KILLS. THIS DECIMATES. You asked for fast, we overdelivered. The WD_BLACK SN850 NVMe SSD reaches irrational 7000MB/s read speed and 5300MB/s write speed to get you in quicker, with up to 1,000,000 IOPS for a smooth, responsive and powerful gaming experience. LIGHT UP YOUR STATION WITH RGB (heatsink only) Enhance your gaming station with fully customizable RGB lighting controlled through the downloadable WD_BLACK Dashboard (Windows only), designed to match your style. STORE MORE, PLAY MORE With up to 2TB capacity, the WD_BLACK SN850 NVMe SSD gives you the space to store your favorite games so you still have room for the next big title. THROTTLE NOTHING BUT YOUR ENEMIES (heatsink only) Supreme performance is best served cold with the WD_BLACK SN850 NVMe SSD, featuring an optional heatsink model so your PC doesnt bottom out when youre at the top of your game (heatsink model only). SN850 is available with or without heatsink. SN850 with heatsink is intended for Desktop PCs. OPTIMIZED WITH THE WD_BLACK DASHBOARD Take total control with the downloadable WD_BLACK Dashboard, allowing you to monitor the health of your drive and optimize performance using gaming mode to ensure youre firing on all cylinders during intense gaming sessions. PERFORMANCE PACKED TIGHT Designed with an M.2 2280 slim, light, and compact form factor to easily slide into your gaming rig. MADE TO GAME Engineered and built with Western Digital 3D NAND to give you the reliability and endurance needed to sustain pro-level performance. Product Specification:Performance- Sequential Read: 1TB: 7,000MB/s- Sequential Write: 1TB: 5,300MB/s- Interface: PCI-e Gen4 x4Dimensions: - Length: 80 0.15mm- Width: 22 0.15mm- Height: 2.38mmWeight: 7.5g 1gEndurance (TBW): 600Sytem Compatibility:Backward Compatible With:- PCIe Gen3 x2, PCIe Gen3 x1,- PCIe Gen2 x4, PCIe Gen2 x2,- PCIe Gen2 x1- Windows: 8.1 and 10Limited Warranty: 5 Years