Details

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WD Green SN350 NVMe SSD
 is a budget-friendly solid-state drive with performance that varies by capacity. The speeds you listed (2400mb/s read, 1500mb/s write) are specific to the 500GB model, with the 1TB and 2TB versions offering faster performance. The drive is intended for everyday computing, and while it's faster than a traditional SATA SSD, reviews note that the "Green" line is built for low cost and not for intensive, performance-critical tasks
 

Capacity	Sequential read speed	Sequential write speed
500GB	Up to 2400 MB/s	Up to 1500 MB/s
1TB	Up to 3200 MB/s	Up to 2500 MB/s
2TB	Up to 3200 MB/s	Up to 3000 MB/s

Key features

• Target use case: The 
  SN350
   is built for daily computing tasks like web browsing, chatting, and light office work. It can revitalize an older PC and offers a significant speed upgrade for users coming from traditional hard drives or SATA SSDs.
• Technology: The drive uses cost-effective NVMe PCIe Gen3 x4 technology in a slim M.2 2280 form factor. It has no moving parts, making it more durable and shock-resistant than a traditional hard disk drive.
• Drive health monitoring: Western Digital offers a downloadable SSD Dashboard that allows you to monitor the drive's health, temperature, performance, and space availability.
• Warranty and reliability: Western Digital backs the drive with a 3-year limited warranty. However, some reviews raise concerns about the long-term reliability and lower-cost components of the Green series for more intensive use cases, suggesting that for mission-critical data, a higher-end drive like a WD Blue or Black might be a better investment.