⭐ Expert Features  The WD_BLACK SN850X NVMe™ SSD 4TB is basically the digital equivalent of strapping a rocket engine to your gaming PC and politely whispering, “Hold my FPS.” Designed for gamers who treat loading screens like a personal enemy, this drive brings hyper-performance, low latency, and future-forward firmware sorcery — all without a heatsink this time, because some heroes prefer to run sleek. Elite-Speed Gaming Powerhouse — Unleash up to 7,300MB/s sequential read and 6,600MB/s sequential write, giving you the kind of load times that feel illegal in older universes. Sandisk TLC 3D NAND Built for the Long Game — High-density NAND means you get space AND speed, so go ahead — install everything. Even the 120GB game you swear you’ll “play soon.” Full-Throttle Performance Without the Lag Dragons — Slash texture pop-ins, reduce stutters, and obliterate bottlenecks with firmware-level enhancements built for pro-level smoothness. Game Mode 2.0 (Windows® Only) — Flip the switch in the WD_BLACK Dashboard to unlock exclusive gaming optimizations that help your rig hit maximum warp. Predictive Loading, Overhead Balancing & Adaptive Thermal Management — Smart tech that anticipates your next move, balances workloads, and prevents thermal tantrums. DirectStorage Support — Turbo-boosted load times and ultra-fast asset streaming for next-gen games. Room for a Whole Gaming Kingdom — 4TB capacity ready for massive libraries, DLC collections, and your lifelong screenshots folder. M.2 2280 Form Factor — Fits into any PC with an M-key slot that supports M.2 2280 PCIe Gen4 x4 SSDs. ⭐ Expert Specs Table  Category Specification Product Name WD_BLACK SN850X NVMe™ SSD – 4TB (Without Heatsink) Capacity 4TB Form Factor M.2 2280 Connector M.2 Interface PCIe Gen4 x4 Sequential Read 7300MB/s Sequential Write 6600MB/s Random Read 1200K IOPS Random Write 1100K IOPS Endurance (TBW) 2400 units NAND Type Sandisk TLC 3D NAND Dimensions (L × W × H) 3.15″ × 0.87″ × 0.09″ Weight 7.5gms Operating Temperature 0°C to 85°C Non-Operating Temperature -40°C to 85°C Certifications BSMI, CAN ICES-3(B)/NMB-3(B), CE, FCC, KCC, Morocco, RCM, TUV, UL, VCCI Product Features Top-Tier Performance, Short Load Times, High Capacities, Optional Heatsink Version, Sandisk TLC 3D NAND Software WD_BLACK Dashboard (Windows® Only) Advanced Features Predictive Loading, Overhead Balancing, Adaptive Thermal Management DirectStorage Support Yes Compatibility Windows® 10+, System with M.2 (M-Key) Port Supporting M.2 2280