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WD_SN740_256GB

Western Digital SN740 256GB M.2 2280 PCI-e Gen4 x4 NVMe Solid State Drive - ..

Western Digital - Western Digital SN740 256GB M.2 2280 PCI-e Gen4 x4 NVMe Solid State Drive - ooem, 4000 MB/s read speed, 2000 MB/s write speed
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Specials
Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. WD_SN740_256GB Western Digital SN740 256GB M.2 2280 PCI-e Gen4 x4 NVMe Solid State Drive - oem is available from Laptop Direct and it is sold as new from our M.2 SATA & PCIe SSD range of products. For reference purposes, the price of R752 is valid 2026-09-21, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the M.2 SATA & PCIe SSD category.
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Specification for the entire series

Important information: Kindly note that specifications differ between models. Features, options and accessories displayed below this paragraph are not included with this product unless it has been specified in the above description.


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WD_SN740_256GB

Western Digital SN740 256GB M.2 2280 PCI-e Gen4 x4 NVMe Solid State Drive - oem

Western Digital SN740 256GB M.2 2280 PCI-e Gen4 x4 NVMe Solid State Drive - ooem, 4000 MB/s read speed, 2000 MB/s write speed

Overview Summary:

Upgrade your system with the Western Digital SN740 256GB NVMe SSD, engineered for fast and efficient performance in modern laptops and PCs. With PCIe Gen4 technology delivering up to 4000MB/s read speeds, this compact M.2 drive ensures faster boot times, quick file transfers, and smooth everyday computing. Its energy-efficient design makes it ideal for thin and light devices without compromising speed.

Built with Western Digital's advanced 3D NAND and in-house controller, the SN740 offers reliable storage for work, gaming, and multitasking. Whether you're upgrading your current system or building a new one, this SSD provides the performance boost you need. Buy now and enjoy faster, more responsive computing. Shop now to upgrade your storage today.

What tier does this fall into?

Mid-range high-speed NVMe

What is this best for?

laptop upgrades, desktop storage expansion, faster boot drives, everyday computing, light gaming

Overview:

Upgrade everyday computing with the Western Digital SN740 256GB NVMe SSD, engineered to deliver fast data access and efficient performance in compact systems. Built on PCIe Gen4 x4 technology, this drive reaches sequential read speeds of up to 4000 MB/s and write speeds of up to 2000 MB/s, making it well suited for modern laptops and ultrabooks that demand both speed and responsiveness. Its M.2 2280 form factor allows for easy integration into thin devices without compromising on power efficiency or thermal performance.

Description:

The Western Digital SN740 256GB SSD is designed for users who need reliable speed in a compact footprint. It combines high throughput with low power consumption, helping extend battery life in portable systems while maintaining strong multitasking capability. With an in house controller, advanced 3D NAND, and optimized firmware, it delivers consistent performance for everyday workloads, content access, and productivity tasks. Its PCIe Gen4 interface ensures faster data handling compared to previous generations, making it a practical upgrade for modern computing environments.

Features:

High Speed PCIe Gen4 Storage Solution
Leveraging NVMe v1.4b architecture, this SSD improves system responsiveness and reduces load times across applications. The PCIe Gen4 x4 interface enables faster bandwidth, allowing users to handle demanding workloads more efficiently while maintaining stable performance under sustained use.

Optimized for Thin and Light Devices
Designed with mobility in mind, the SN740 supports low power operation, making it suitable for ultrabooks and compact laptops. Its efficiency contributes to longer battery life without sacrificing performance, aligning well with modern portable computing requirements.

Engineered for Reliability and Consistency
Western Digital integrates its own controller, NAND, and firmware into the SN740, ensuring tight optimization and consistent results. Rigorous validation processes help maintain reliability across different usage scenarios, from daily tasks to more intensive computing needs.

Technical Details and Key Data

  • Capacity: 256GB
  • Form factor: M.2 2280
  • Interface: PCIe Gen4 x4, NVMe v1.4b
  • Sequential read speed: up to 4000 MB/s
  • Sequential write speed: up to 2000 MB/s
  • Random read: up to 240K IOPS
  • Random write: up to 470K IOPS
  • Endurance rating: 200 TBW
  • Security support: TCG Opal SSC 2.01
  • Operating temperature: 0 C to 85 C
  • Non operating temperature: -40 C to 85 C

Compact Design with Broad Compatibility
The slim M.2 2280 design ensures compatibility with a wide range of modern motherboards and laptops. With a lightweight build and efficient thermal profile, it integrates seamlessly into space constrained systems while maintaining stable operation.

Model Identification

  • Model number: SDDQNQD-256G
  • Part number / SKU: WD_SN740_256GB


Specifications:

© 2026 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications
Product Code WD_SN740_256GB
Capacity 256GB
Form Factor M.2 2280
Connector M.2
Sequential Read Performance 4000MB/s
Sequential Write Performance 2000MB/s
Random Read 240K IOPS
Random Write 470K IOPS
Interface PCIe Gen4 x4, NVMe v1.4b
Security TCG Opal SSC 2.01
Endurance (TBW) 200
Dimensions (L x W x H) 3.15" x 0.87" x 0.09"
Weight 5.4gms
Model Number SDDQNQD-256G
Operating Temperature 0degreesC to 85degreesC
Non-Operating Temperature -40degreesC to 85degreesC
Certifications Windows HLK, FCC, UL, TUV, KCC, BSMI, VCCI

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