Western Digital SN850 1 TB M.2 PCI Express 4.0 NVMe SSD

The Western Digital SN850 1TB M.2 PCI Express 4.0 NVMe SSD delivers high-end storage performance for PCs and laptops that support the PCIe Gen4 interface. With sequential read speeds up to 7000 MB/s and write speeds up to 5300 MB/s, this M.2 2280 form factor drive offers fast data access and responsiveness for demanding applications and large game libraries. The compact SSD is available in models with or without an optional heatsink and integrates with the WD_BLACK Dashboard for drive monitoring and performance optimization.

Advantages

The SSD provides extremely fast sequential read and write speeds suitable for reducing load times and improving system responsiveness. Its M.2 form factor saves space inside desktops and laptops while supporting high-capacity storage in a single drive. Optional heatsink models help maintain sustained performance under heavy workloads, and compatibility with the WD_BLACK Dashboard enables drive health monitoring and a gaming mode for optimized operation.

Suitable for

• High-performance gaming PCs and laptops
• Content creation and video editing workflows
• Software development and virtual machines
• General system boot and application acceleration

Key specifications

• Storage capacity: 1000 GB
• Form factor: M.2 2280
• Interface: PCI Express 4.0 x4, NVMe
• Sequential read speed: up to 7000 MB/s
• Sequential write speed: up to 5300 MB/s
• IOPS: up to 1,000,000 (typical peak for random reads)
• Available with or without optional heatsink
• Uses 3D NAND technology

How to use

Install the M.2 SSD into an available M.2 2280 slot on a compatible motherboard or laptop that supports PCIe Gen4 NVMe drives. For desktop systems, secure the module with the mounting screw and, if using the heatsink variant, follow the manufacturer's instructions for correct orientation and attachment. After physical installation, initialize and format the drive in your operating system, install firmware updates if available, and use the WD_BLACK Dashboard to monitor health and enable gaming mode when required.

Recommendations

For sustained peak performance, use the optional heatsink model in systems with limited airflow or under prolonged heavy workloads. Ensure your system BIOS and platform firmware support PCIe Gen4 to achieve the published speeds, and install the latest WD_BLACK Dashboard on Windows to monitor drive temperature and health.