Name: WDBB9G0040BNC WD Black SN850X 4TB M.2 PCIe 4.0 NVMe Internal Solid State Drive
Brand: Western Digital
SKU: WDBB9G0040BNC
Price: 688.85 USD
Availability: InStock
Rating: 4.8 (117 reviews)

Product Overview
The WD Black SN850X 4TB M.2 PCIe 4.0 NVMe SSD offers a powerful blend of large capacity and fast performance. It fits into the M.2 slot on desktops or laptops and is designed for applications that demand quick data access, like gaming or creative workloads. This drive stands out by providing high-speed storage that supports modern PCIe 4.0 systems, making it a solid option for users needing both space and speed in one package.

General Information
Brand	Western Digital
Part Number	WDBB9G0040BNC

Technical Information
Capacity	4TB
Memory Technology	Triple-Level Cell (TLC)
Form Factor	M.2 2280
Interface	PCIe Gen 4.0 x4
Cache	DRAM cache
MTBF	1,750,000 hours
Hot Swappable	No
Hot Pluggable	No

Performance
Max Sequential Read	7300 MB/s
Max Sequential Write	6900 MB/s
Random Read	1,000,000 IOPS
Random Write	1,100,000 IOPS
Endurance (TBW)	1400 TBW

Physical Characteristics
Dimensions	3.5 x 22 x 80 mm
Weight	3.00
Condition	Refurbished

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC

Product Description
The WD Black SN850X is an internal solid state drive built to deliver high performance and large storage in a compact M.2 2280 form factor. It’s commonly found in gaming rigs and workstations where speed and reliability matter. This SSD uses PCIe 4.0 technology to minimize loading times, allowing users to handle intensive applications or huge files smoothly. Often used by gamers, content creators, and IT professionals, it provides a balance of capacity and rapid responsiveness needed for demanding tasks. Its advanced NVMe protocol ensures quick access to data, making it suitable for gaming, video editing, or software development environments. Key Features Speeds that reduce game load and file transfer times significantly Supports up to 4TB capacity to store vast amounts of data PCIe Gen4 x4 interface for cutting-edge bandwidth Robust endurance and reliability tuned for heavy workloads Optimized for high-performance desktop and laptop setups This drive is typically installed inside gaming PCs, high-end laptops, or content creation stations where fast storage improves overall system responsiveness. Users notice quicker boot times and smoother multitasking compared to traditional drives. It’s a practical choice for those aiming to upgrade their system’s speed and storage without compromising reliability.

Use Cases
The WD Black SN850X 4TB M.2 PCIe 4.0 NVMe SSD is commonly deployed in high-performance computing setups where rapid data access and large storage capacity are critical. It is ideal for professionals in gaming, content creation, and data-intensive applications requiring swift load times and seamless multitasking. How It's Used: Installed in gaming desktops to reduce load times and enhance responsiveness for AAA titles and streaming setups. Integrated into high-end workstations for video editors and 3D artists managing large project files and rendering tasks. Used in software development environments requiring fast compilation and testing cycles across large codebases. Deployed in remote offices or mobile workstations where compact M.2 form factor and high throughput optimize productivity. Employed in virtualization environments to accelerate VM storage performance and reduce I/O bottlenecks. This SSD supports demanding workflows by delivering scalable storage performance essential for maintaining operational efficiency. Its integration into systems requiring high I/O throughput enables smoother data handling and reduces latency in critical applications.