The Lexar NQ790 NVMe M.2 Gen4 SSD is a high-capacity, budget-friendly solid-state drive designed to deliver strong PCIe Gen4 performance for gaming, productivity, and everyday computing. Built on the PCIe 4.0 x4 NVMe 2.0 interface, it provides a significant speed upgrade over SATA SSDs and older Gen3 drives, making it a popular choice for users seeking affordable high-speed storage across multiple capacities: 512GB, 1TB, 2TB, and 4TB.

Using the standard M.2 2280 form factor, the NQ790 is compatible with most modern desktops, laptops, and gaming systems that support NVMe storage. It is a DRAM-less design but utilizes Host Memory Buffer (HMB) technology, which allows the drive to use system memory as a cache to improve responsiveness and reduce latency during everyday tasks.

In terms of performance, the Lexar NQ790 delivers sequential speeds of up to approximately 7,000 MB/s read and 6,000 MB/s write (1TB–4TB models). This places it in the upper tier of Gen4 SSD performance, making it well-suited for fast boot times, quick application launches, and smooth game loading. The 512GB model is slightly slower, but still significantly faster than SATA SSDs, with reduced write speeds due to smaller cache capacity.

The drive also supports dynamic SLC caching and advanced error correction (LDPC), which improves short-term burst performance and maintains data integrity during heavy use. While sustained write speeds may drop once the cache is filled—common in DRAM-less SSDs—it remains efficient for typical consumer workloads such as gaming, office work, and media storage.

For durability, the NQ790 offers solid endurance ratings depending on capacity, with up to 2400 TBW for the 4TB model. This makes it suitable for long-term usage, including large game libraries, video editing projects, and frequent file transfers. It also comes with a 5-year limited warranty, adding confidence for everyday reliability.

Thermally, the SSD is designed for efficiency, with operating temperatures typically between 0°C to 70°C, ensuring stable performance in laptops and desktops with proper airflow. Its low power consumption also makes it suitable for portable systems where battery life is important.

Overall, the Lexar NQ790 Gen4 SSD is a strong value-focused storage solution offering high-speed performance, large capacity options, and reliable endurance, making it a practical choice for gamers, students, and general users who want fast NVMe storage without premium pricing.