Product information notice: Some specifications may describe a broader product range and may not apply to this exact model. Use the product summary above as the primary model reference. Bundled software may be trial software and can require a separate licence.
Overview Summary
Upgrade your laptop or compact PC with the Western Digital SN740 256GB M.2 2230 PCIe Gen4 NVMe SSD. Delivering read speeds of up to 4000MB/s and write speeds of up to 2000MB/s, it provides responsive boot times, faster application loading, and reliable everyday performance in a compact M.2 2230 form factor.
Designed for thin and lightweight systems, this SSD combines high-speed PCIe Gen4 performance with power efficiency for modern computing. Buy now to enjoy a dependable internal storage upgrade, or shop now for a fast and efficient NVMe SSD suited to compatible laptops and small form factor devices.
Performance tier: Mid-range PCIe Gen4 NVMe SSD
Uses: Laptop storage upgrades, operating system installation, faster boot drives, everyday computing, business laptops, compact PCs, application storage
Overview
High-Speed Storage for Compact PCs and Laptops The Western Digital SN740 256GB M.2 2230 PCIe Gen4 x4 NVMe Solid State Drive is built for modern laptops, mini PCs, and other compact devices that require fast, power-efficient storage. Combining impressive PCIe Gen4 performance with a compact M.2 2230 form factor, it delivers the speed needed for demanding applications while helping improve system responsiveness and battery efficiency.
Description
Designed for users who need dependable everyday performance, the Western Digital SN740 offers rapid boot times, faster application loading, and smooth file transfers. Its advanced PCIe Gen4 interface provides a significant performance upgrade over previous-generation SSDs, making it an excellent choice for system upgrades, replacements, or new compact builds. Developed using Western Digital's in-house controller, 3D NAND technology, and firmware, the drive delivers reliable performance in a space-saving design.
Features
Why Choose the Western Digital SN740 Whether you are upgrading an ultrabook, replacing an existing SSD, or building a compact system, the SN740 is engineered to balance speed, efficiency, and reliability. Its PCIe Gen4 x4 architecture enables faster data access while maintaining lower power consumption, making it suitable for thin and lightweight devices, including systems designed around Intel Evo platform requirements.
Unlike larger drives, the M.2 2230 form factor fits a wide range of modern compact devices without compromising storage performance.
Performance Highlights
Capacity: 256GB
M.2 2230 form factor
PCIe Gen4 x4 NVMe interface
Sequential read speeds up to 4000 MB/s
Sequential write speeds up to 2000 MB/s
Optimised for thin and lightweight laptops
Low power consumption for improved efficiency
Built with Western Digital controller, firmware, and 3D NAND technology
Built for Everyday Productivity The SN740 helps accelerate common computing tasks including operating system boot-up, software launches, document editing, content creation, and large file transfers. Its efficient design also makes it a suitable storage solution for mobile professionals, students, and business users looking for dependable high-speed performance in compact devices.
Western Digital has engineered the SN740 as a fully integrated storage solution, combining hardware and firmware developed in-house to deliver consistent operation across a variety of workloads.
Ideal Applications
Ultrabooks and lightweight laptops
Mini PCs
Compact desktop systems
Business notebooks
Mobile workstations
General productivity upgrades
Technical Information
Brand: Western Digital
Model: SN740
Part Number / SKU: WD_SN740_256GB_2230
Storage Capacity: 256GB
Interface: PCIe Gen4 x4 NVMe
Form Factor: M.2 2230
Maximum Read Speed: Up to 4000 MB/s
Maximum Write Speed: Up to 2000 MB/s
When ordering or requesting compatibility assistance, reference Part Number WD_SN740_256GB_2230 to ensure you receive the correct Western Digital SN740 256GB M.2 2230 PCIe Gen4 NVMe SSD.
Reviews have been submitted by users and do not necessarily reflect our own opinion.
The best price and guaranteed service and backup from official computer suppliers in South Africa for the WD_SN740_256GB_2230 Western Digital SN740 256GB M.2 2230 PCI-e Gen4 x4 NVMe Solid State Drive - oem.
The Western Digital
WD_SN740_256GB_2230Western Digital SN740 256GB M.2 2230 PCI-e Gen4 x4 NVMe Solid State Drive - oem is available for R752. The product is sold by ComX Computers as new. Prices are valid today 2026-10-20 (before , by quote, while stocks last). The product is expected to be in stock, although this is not guaranteed.
Available from this online computer store delivering door-to-door in Johannesburg, Cape Town, Port Elizabeth, Pretoria, Pietermaritzburg, Polokwane, Durban and all over South Africa.
Find related WD_SN740_256GB_2230 Western Digital SN740 256GB M.2 2230 PCI-e Gen4 x4 NVMe Solid State Drive - oem products in our M.2 SATA & PCIe SSD Category for even more options. Read reviews and find out about WD_SN740_256GB_2230 Western Digital SN740 256GB M.2 2230 PCI-e Gen4 x4 NVMe Solid State Drive - oem. Discounts, specials and cheap prices only at ComX Computers.
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