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The Western Digital 4TB WD Blue SN5100 is an NVMe solid state drive built on the PCIe Gen 4.0 interface, reaching read speeds up to 7100MB/s and write speeds up to 6600MB/s. It uses the M.2 2280 form factor, so it drops into desktops, laptops and small form factor PCs without an adapter. nCache 4.0 caching holds performance steady through heavy multitasking and long workloads, while the 3D CBA NAND design keeps power draw and heat low.

The Western Digital 4TB WD Blue SN5100 is an NVMe solid state drive built on the PCIe Gen 4.0 interface, reaching read speeds up to 7100MB/s and write speeds up to 6600MB/s. It uses the M.2 2280 form factor, so it drops into desktops, laptops and small form factor PCs without an adapter. nCache 4.0 caching holds performance steady through heavy multitasking and long workloads, while the 3D CBA NAND design keeps power draw and heat low.

PCIe Gen 4.0 read speeds of up to 7,100 MB/s give the WD Blue SN5100 up to 30% faster data transfer rates than the previous generation. That gap shows up where files are large and constant, such as AI projects, heavy multitasking and loading game or project assets. Applications open from the drive rather than waiting on it.

PCIe Gen 4.0 read speeds of up to 7,100 MB/s give the WD Blue SN5100 up to 30% faster data transfer rates than the previous generation. That gap shows up where files are large and constant, such as AI projects, heavy multitasking and loading game or project assets. Applications open from the drive rather than waiting on it.

The SN5100 range runs from 500GB up to 4TB, all in the same M.2 2280 form factor and all built on SanDisk 8th Generation QLC 3D CBA NAND. The 4TB model gives a game library, a video project archive and an operating system room to sit on one drive instead of being split across several.
The SN5100 range runs from 500GB up to 4TB, all in the same M.2 2280 form factor and all built on SanDisk 8th Generation QLC 3D CBA NAND. The 4TB model gives a game library, a video project archive and an operating system room to sit on one drive instead of being split across several.


SanDisk nCache 4.0 technology is built into the WD Blue SN5100 to keep large files and full project folders moving at speed. It is the caching layer that absorbs sustained writes, which is what separates a drive that stays fast during a long copy from one that slows partway through.

SanDisk nCache 4.0 technology is built into the WD Blue SN5100 to keep large files and full project folders moving at speed. It is the caching layer that absorbs sustained writes, which is what separates a drive that stays fast during a long copy from one that slows partway through.

Acronis True Image software is included, so an existing drive can be migrated onto the WD Blue SN5100 without rebuilding the system or losing data. It handles the clone and the backup side of the upgrade, which is the step most people are stuck on when replacing a boot drive.
Acronis True Image software is included, so an existing drive can be migrated onto the WD Blue SN5100 without rebuilding the system or losing data. It handles the clone and the backup side of the upgrade, which is the step most people are stuck on when replacing a boot drive.


The free SanDisk Dashboard software monitors the SN5100's performance, health status and firmware updates from the desktop. Checking drive health before it becomes a problem, and applying firmware as it is released, keeps the SSD running at the speeds it shipped with.

The free SanDisk Dashboard software monitors the SN5100's performance, health status and firmware updates from the desktop. Checking drive health before it becomes a problem, and applying firmware as it is released, keeps the SSD running at the speeds it shipped with.
Everything you need to know about this product
It reaches read speeds of up to 7100MB/s and write speeds of up to 6600MB/s over the PCIe Gen 4.0 interface.
It is an M.2 2280 NVMe drive, which fits desktops, laptops and small form factor PCs that take a standard 2280 slot.
The WD Blue SN5100 runs on the PCIe Gen 4.0 interface using the NVMe protocol.
It uses SanDisk 8th Generation QLC 3D CBA NAND, which is designed for durability and low power consumption.
The range starts at 500GB and goes up to 4TB, with every capacity in the same M.2 2280 form factor.
nCache 4.0 is SanDisk's caching technology built into the drive to keep large file and project folder transfers running quickly.
Yes, the WD Blue SN5100 includes Acronis True Image and the SanDisk Dashboard software.
Acronis True Image is included specifically to migrate existing data onto the SN5100 without data loss.
The free SanDisk Dashboard software reports performance, health status and available firmware updates.
Western Digital rates it at up to 30% faster data transfer rates compared with the previous generation.
It is aimed at gaming, streaming and professional content creation, including AI projects and high-resolution video editing.
The 3D CBA NAND design is built for low power consumption and energy-efficient operation in a standard M.2 slot.
AI-Generated Content: These FAQs are generated by an automated AI system and may contain inaccuracies or omissions. Evetech makes no warranties, express or implied, regarding their completeness or reliability. For definitive information, please refer to the manufacturer's official specifications.








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