Western Digital SN770M NVMe 2TB M.2 2230 PCIe Gen 4.0 5150MB/s Internal SSD

Overview

The Western Digital WDS200T3X0G-00CHY0 is a 2TB NVMe solid state drive designed for compact devices with an M.2 2230 slot, using a PCIe Gen 4.0 interface to deliver high-speed storage. It offers sequential read speeds up to 5,150 MB/s and write speeds up to 4,850 MB/s, making it a strong choice for handheld gaming systems and ultraportable laptops that need fast, reliable storage without sacrificing space.

This drive supports demanding workloads with an endurance rating of 1,200 TBW, ensuring long-term reliability for frequent installs, updates, and large file transfers. Its compatibility with Microsoft DirectStorage enhances gaming performance by enabling faster asset streaming on supported Windows systems.

Key features

• Compact M.2 2230 form factor fits small devices like the ASUS ROG Ally and Steam Deck without requiring extra space
• High sequential read and write speeds reduce load times and speed up file transfers for a smoother user experience
• Strong random IOPS performance ensures quick access to small files, improving responsiveness in everyday tasks and gaming
• Endurance rating of 1,200 TBW provides confidence for heavy usage and long-term data integrity
• Support for Microsoft DirectStorage helps compatible games load assets more efficiently, reducing in-game stutter
• Western Digital Dashboard software offers easy drive health monitoring, firmware updates, and secure erase options on Windows

Key specs

• Storage capacity: 2 TB
• Interface: PCIe Gen 4.0 NVMe
• Form factor: M.2 2230
• Sequential read speed: up to 5,150 MB/s
• Sequential write speed: up to 4,850 MB/s
• Random read IOPS: up to 650,000
• Random write IOPS: up to 800,000
• Endurance: 1,200 TBW

Connectivity and compatibility

This SSD is designed specifically for devices that accept the M.2 2230 form factor, making it a perfect upgrade for handheld gaming consoles and ultraportable laptops. It fits seamlessly into systems like the ASUS ROG Ally and Steam Deck, providing a significant storage boost without requiring additional adapters or modifications.

Its PCIe Gen 4.0 interface ensures compatibility with modern motherboards and devices that support this standard, delivering the fastest possible data transfer rates for supported hardware.

Performance and reliability

The drive’s high endurance rating and robust random IOPS performance make it well suited for users who frequently install new software, update games, or work with large project files. Its ability to handle sustained workloads without degradation ensures consistent performance over time.

With support for Microsoft DirectStorage, this SSD helps reduce bottlenecks in game asset streaming, which benefits gamers looking for smoother gameplay on compatible Windows systems.

Ideal uses and environments

This SSD fits well in compact gaming devices and ultraportable laptops where space is limited but high-speed storage is essential. Gamers can store large libraries without relying on slower external or microSD storage, while professionals working on the go gain ample room for demanding applications and files.

It is a strong choice for users who need a balance of capacity, speed, and endurance in a small form factor, especially in handheld or thin-and-light computing environments.