WD_BLACK SN770M – NVMe M.2 2230 SSD (500 GB to 2 TB)
Laptop upgrade: SN770M M.2 2230 PCIe Gen4 up to 5150 MB/s . Boosts ROG Alliance / Steam Deck . Smooth gameplay, lightning-fast loading.
The WD_BLACK SN770M is an M.2 2230 NVMe SSD designed for portable consoles and ultra-thin PCs . It features a PCIe Gen4 x4 interface, speeds up to 5150 MB/s (1/2 TB), nCache 4.0 technology, DirectStorage support, and management via Western Digital Dashboard . Available in capacities up to 2 TB and comes with a 5-year warranty .
Strengths
- M.2 2230 form factor ideal for ASUS ROG Alliance and Steam Deck
- Speeds up to 5150 MB/s ( PCIe Gen4 x4 ) for fast loading
- nCache 4.0 and DirectStorage technologies for more responsive gaming
Designed for handheld consoles
Compact and powerful, the SN770M offers up to 2TB of storage for your library. Its M.2 2230 form factor integrates easily with compatible devices.
Speed & responsiveness
The PCIe Gen4 x4 interface and speeds of up to 5150 MB/s (1/2 TB) reduce installation and loading times. nCache 4.0 technology stabilizes performance during long sessions.
Ultra-thin PC compatibility
Suitable for many M.2 2230 compatible ultrabooks (e.g. Microsoft Surface, Dell), the SN770M modernizes your storage without compromising on battery life or heat.
Why should I buy the WD_BLACK SN770M NVMe SSD?
Because it combines a compact M.2 2230 form factor , Gen4 speeds up to 5150MB/s , DirectStorage , nCache 4.0 , up to 2TB and a 5-year warranty — the ideal upgrade for ROG Ally , Steam Deck and compatible PCs .
Technical specifications
M.2 2230 (M-Key) NVMe SSD , PCIe Gen4 x4 interface. Up to 5150/— MB/s (1/2 TB) and 5000/4000 MB/s (500 GB), nCache 4.0 , DirectStorage , managed via Western Digital Dashboard (Windows). 5-year limited warranty .
• Capacities: 500 GB , 1 TB , 2 TB
• Format: M.2 2230 — Connector: M.2 (M-Key)
• Interface: PCIe Gen4 x4
• 500 GB: Read 5000 MB/s ; Write 4000 MB/s ; Random 460K/800K IOPS ; 300 TBW
• Dimensions: 29.97 × 22.1 × 2.29 mm — Weight: 2.8 g
• Temperatures: operating 0–85 °C ; non-operating −40–85 °C
• Compatibility: Device/PC with M.2 2230 slot ( ROG Alliance , Steam Deck , Surface, Dell compatible); Windows 10+
Usage tips
Check the M.2 2230 format and the M- Key of your device. Update the firmware/BIOS, back up your data, install the SSD , and then initialize it. On ROG Alliance / Steam Deck , follow the manufacturer's guide and leave sufficient free space for stable performance .
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Designed for handheld consoles
Compact and powerful, the SN770M frees up to 2TB of storage capacity to take your library with you. Its M.2 2230 form factor integrates easily with compatible handheld consoles and PCs.
Speed & responsiveness
With its PCIe Gen4 x4 interface and speeds up to 5150 MB/s (1/2 TB), this NVMe SSD reduces installation and loading times. nCache 4.0 technology stabilizes transfer speeds for extended sessions.
Ultra-thin PC compatibility
The SN770M is also compatible with many ultrabooks (e.g., Microsoft Surface, Dell compatibles). Follow the manufacturer's recommendations and enjoy fast storage every day.