WD_BLACK SN770M M.2 2230 PCIe Gen4 NVMe SSD up to 5150MB/s, TLC 3D NAND - 2TB

The WD BLACK SN770M 2TB is a high-performance NVMe SSD designed for portable devices and compact gaming systems that rely on the M.2 2230 form factor. It delivers impressive speeds and stable performance through the PCIe Gen4 NVMe interface, combined with advanced technologies such as nCache 4.0 and Host Memory Buffer (HMB). This makes it an excellent upgrade choice for ultra-thin laptops and handheld gaming devices like the Steam Deck and ROG Ally. With fast read and write speeds, generous capacity, it ensures smooth gameplay and reliable storage.

Key Features

• 2TB compact storage in M.2 2230 form factor

• High-performance PCIe Gen4 ×4 NVMe interface

• Sequential read speeds up to 5150 MB/s

• Sequential write speeds up to 4850 MB/s

• Endurance rating of 1200 TBW for the 2TB model

• HMB technology to compensate for DRAM-less design

• Ideal for handheld gaming consoles and small form factor PCs

• Backed by a 5-year limited warranty

Full Technical Specifications

Design

• Model: WD BLACK SN770M

• Capacity: 2TB

• Form Factor: M.2 2230

• NAND Type: 3D TLC NAND

Performance

• Sequential Read Speed: Up to 5150 MB/s

• Sequential Write Speed: Up to 4850 MB/s

• Random IOPS: Up to 650,000 (read) / 800,000 (write)

Capacity & Endurance

• Total Bytes Written (TBW): 1200 TB

• Mean Time to Failure (MTTF): Up to 1.75 million hours

Power

• Low power consumption with HMB technology

• Optimized for portable and compact systems

Dimensions

• Length: 30 mm

• Width: 22 mm

• Thickness: 2.38 mm