WD_BLACK SN770 1TB NVMe Internal Gaming SSD – PCIe Gen4 M.2 2280 – Up to 5,150MB/s | WDS100T3X0E

Description

The WD_BLACK SN770 1TB NVMe SSD (WDS100T3X0E) is a high-performance internal solid-state drive designed for gaming PCs, desktops, and compatible laptops.

Featuring a PCIe Gen4 x4 interface, NVMe technology, and compact M.2 2280 form factor, the SN770 delivers sequential read speeds of up to 5,150 MB/s and write speeds of up to 4,900 MB/s, providing fast game loading, responsive system performance, and quick file transfers.

With 1TB capacity, gaming-focused WD_BLACK Dashboard support, and a 5-year limited warranty, it is a strong Gen4 upgrade for modern gaming systems.

Key Features

• 1TB storage capacity
• M.2 2280 form factor
• PCIe Gen4 x4 interface
• NVMe SSD
• Up to 5,150 MB/s sequential read
• Up to 4,900 MB/s sequential write
• Up to 740K random read IOPS
• Up to 800K random write IOPS
• Designed for gaming PCs
• WD_BLACK Dashboard support
• Gaming Mode support
• 600 TBW endurance
• Low-profile internal design
• No SATA cables required
• 5-year limited warranty
• Model: WDS100T3X0E
• Heatsink: No

Up to 5,150 MB/s Read Speed

The WD_BLACK SN770 takes advantage of PCIe Gen4 bandwidth to provide fast storage performance for gaming and everyday computing.

Performance

• Sequential Read: Up to 5,150 MB/s
• Sequential Write: Up to 4,900 MB/s
• Random Read: Up to 740,000 IOPS
• Random Write: Up to 800,000 IOPS

This performance can improve:

• Game loading
• Windows startup
• Application launches
• Game installations
• File transfers
• System responsiveness
• Multitasking

Actual performance depends on system hardware, firmware, workload, temperature, and available PCIe bandwidth.

1TB Storage Capacity

The 1TB capacity provides ample high-speed storage for a modern gaming system.

It can be used for:

• Windows
• AAA games
• Competitive games
• Game launchers
• Applications
• Photos
• Videos
• Documents
• Creative projects
• Frequently accessed files

Actual usable formatted capacity will be lower than the advertised 1TB.

PCIe Gen4 x4

The SN770 uses a PCIe 4.0 x4 interface, providing significantly greater bandwidth than older SATA storage.

Interface

• PCIe Generation: PCIe Gen4
• Lanes: x4
• Protocol: NVMe
• Form Factor: M.2 2280

A compatible PCIe Gen4 M.2 slot is recommended to achieve maximum performance.

M.2 2280 Form Factor

The WD_BLACK SN770 uses the widely adopted M.2 2280 form factor.

• Width: 22mm
• Length: 80mm
• Installation: Internal
• Data Interface: PCIe NVMe

Its compact design installs directly onto a compatible motherboard without separate SATA power or data cables.

Designed for Gaming

The SN770 is part of Western Digital's WD_BLACK gaming storage lineup.

Its fast NVMe performance helps provide:

• Faster game loading
• Faster level transitions
• Quick game installations
• Responsive game updates
• Faster large-file transfers
• Improved overall system responsiveness

The 1TB model provides a good balance between capacity and performance for mainstream gaming PCs.

WD_BLACK Dashboard

Compatible Windows users can manage the SN770 through WD_BLACK Dashboard software.

The software can provide access to:

• Drive health information
• Temperature monitoring
• Capacity monitoring
• Firmware updates
• Performance information
• Gaming-focused settings

Gaming Mode

WD_BLACK Dashboard provides gaming-focused functionality designed to help optimize the SSD for gaming workloads.

This allows users to manage the drive and prioritize performance while gaming.

600 TBW Endurance

The 1TB WD_BLACK SN770 is rated for 600 TBW (Terabytes Written) endurance.

Reliability

• Endurance: 600 TBW
• Warranty: 5-Year Limited Warranty

This provides strong durability for gaming, everyday computing, and regular file transfers.

No Integrated Heatsink

The WDS100T3X0E is supplied without a factory-installed heatsink.

Cooling

• Built-in Heatsink: No
• Motherboard M.2 heatsink can be used where available
• Good system airflow is recommended for demanding workloads

The lack of an integrated heatsink can also make installation easier in compatible laptops and motherboards with their own M.2 cooling solutions.

Specifications

• Brand: Western Digital
• Gaming Brand: WD_BLACK
• Series: SN770
• Model / Part Number: WDS100T3X0E
• Product Type: Internal NVMe SSD
• Capacity: 1TB
• Form Factor: M.2 2280
• Interface: PCIe Gen4 x4
• Protocol: NVMe
• Sequential Read: Up to 5,150 MB/s
• Sequential Write: Up to 4,900 MB/s
• Random Read: Up to 740K IOPS
• Random Write: Up to 800K IOPS
• Endurance: 600 TBW
• WD_BLACK Dashboard: Yes
• Gaming Mode: Yes
• Integrated Heatsink: No
• Desktop Compatibility: Yes, with compatible M.2 NVMe slot
• Laptop Compatibility: Yes, with compatible M.2 NVMe slot
• Installation: Internal
• Warranty: 5-Year Limited Warranty

SN770 vs SATA SSD

The SN770 offers significantly greater performance than conventional SATA SSDs.

WD_BLACK SN770

• PCIe Gen4 x4
• NVMe
• Up to 5,150 MB/s read
• Up to 4,900 MB/s write
• M.2 2280

Typical SATA III SSD

• SATA III
• Around 550 MB/s maximum sequential performance
• 2.5-inch or M.2 SATA
• Significantly lower interface bandwidth

For compatible systems, the SN770 provides a major storage-performance upgrade over SATA.

Best For

• Gaming PCs
• Desktop PCs
• Compatible Gaming Laptops
• AAA Games
• Windows Boot Drive
• Game Library Storage
• PC Upgrades
• Applications
• Fast File Transfers
• Everyday High-Performance Computing

Why Choose the WD_BLACK SN770 1TB?

• 1TB capacity provides plenty of space for Windows, applications, and games.
• Up to 5,150 MB/s read speed provides fast Gen4 gaming performance.
• Up to 4,900 MB/s write speed supports demanding file transfers and workloads.
• PCIe Gen4 x4 NVMe delivers significantly higher performance than SATA storage.
• M.2 2280 provides compact, cable-free installation.
• 600 TBW endurance provides strong long-term durability.
• WD_BLACK Dashboard provides drive monitoring and gaming-focused functionality.
• 5-year limited warranty provides long-term manufacturer coverage.
• The WDS100T3X0E is the non-heatsink version, making it suitable for systems with their own M.2 cooling solution.
• The combination of 1TB capacity, PCIe Gen4 x4, up to 5,150 MB/s read speed, 600 TBW endurance, and WD_BLACK gaming features makes the WD_BLACK SN770 1TB an excellent performance upgrade for compatible gaming PCs and laptops.