From the manufacturer
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PRODUCT INSTALLATION VIDEO
Install your WD_BLACK SN770M NVMe SSD – Powered by Sandisk with our quick and easy video guide for the ASUS ROG Ally.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.sn770m how to video
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PLAY WITH CONFIDENCE
Introducing the WD_BLACK SN770M SSD – Powered by Sandisk, the first M.2 2230 NVMe SSD built from a brand gamers trust.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.wd black sn770m video
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SUPERCHARGE YOUR HANDHELD GAMING DEVICE
Upgrade compatible handheld gaming PCs such as the ASUS ROG Ally and Steam Deck with speeds up to 5,150MB/s(1) (1TB and 2TB(2) models) for blazingly quick game installations and level loads.
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GAME MORE ON THE GO
Take your large gaming library wherever you are with up to 2TB(2) of trusted SSD storage.
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UNCOMPROMISING FEATURES
Prepare for immersive gaming with PCIe Gen 4.0, SANDISK's nCache 4.0 Technology, and Microsoft’s DirectStorage Support.
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ALSO COMPATIBLE WITH ULTRATHIN PCs
Revitalize and expand the storage of your M.2 2230 SSD compatible laptop, such as many Microsoft Surface and Dell models.
A TRUSTED GAMING BRAND
Keep your gaming SSD tuned with the SANDISK Dashboard (Windows only) software.
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Customer Reviews
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4.7 out of 5 stars 779
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4.8 out of 5 stars 6,311
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4.8 out of 5 stars 17,559
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4.8 out of 5 stars 11,127
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Price
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$399.99$399.99 |
$559.95$559.95 |
$369.99$369.99 |
$370.00$370.00 |
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Compatible with
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Rog Ally and Steam Deck |
PC & Laptop |
PC Gaming |
PS5 |
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Form Factor
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M.2 2230 |
M.2 2280 |
M.2 2280 Opt Heatsink |
M.2 2280 Heatsink Only |
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Read Speed(1)
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Up to 5,150MB/s (1TB & 2TB) |
Up to 7,250 MB/s (1TB & 2BT) |
Up to 7,300 MB/s |
Up to 7,300 MB/s |
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Capacity(2)
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Up to 2TB |
Up to 4TB |
Up to 8TB |
Up to 8TB |
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Features
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DirectStorage |
DirectStorage |
DirectStorage, GM 2.0 |
DirectStorage, GM 2.0 |
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Endurance
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Up to 2,300TBW (2TB) |
Up to 2,400TBW (4TB) |
Up to 2,400TBW (4TB) |
Up to 2,400TBW (4TB) |
Legal Disclaimers
(1) Based on read speed, unless otherwise stated. 1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.
(2) 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.
(3) PCIe Gen 4.0 storage technology requires a compatible motherboard. WD_BLACK SN770M NVMe SSD is backwards-compatible with PCIe Gen3.
SANDISK, the SANDISK logo and nCache are registered marks or marks of Sandisk Corporation or its affiliates in the U.S. and/or other countries. WD_BLACK and the WD_BLACK logo are registered marks or marks of Western Digital Corporation or its affiliates in the U.S. and/or other countries. The NVMe word mark is a mark of NVM Express, Inc. Asus and ROG Ally are marks of ASUSTeK Computer Incorporated. Dell is a mark of Dell Inc. or its subsidiaries. PCIe is a registered mark of PCI-SIG. Windows and Microsoft are registered marks or marks of the Microsoft group of companies. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products.
2025 Sandisk Corporation or its affiliates. All rights reserved.
Product Description
Expand your handheld gaming device or M.2 2230 compatible laptop’s storage with a WD_BLACK SN770M NVMe SSD with up to 2TB[2] of storage. Bring your large game library wherever you are and immerse yourself with blazingly quick game installations and level loads.







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