ComparisonSSDVRAM Usage EstimatorUpdated Mon Feb 09 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

Lexar NM790 2TB vs WD Blue SN5000 2TB: Which Should You Actually Buy?

Head-to-head: Lexar NM790 2TB vs WD Blue SN5000 2TB. Side-by-side specs, real-world performance, price-to-performance and a clear buy recommendatio...

Lexar NM790 2TB vs WD Blue SN5000 2TB: Which Should You Actually Buy?

A head-to-head comparison of the Lexar NM790 2TB and the WD Blue SN5000 2TB. 2TB PCIe 4.0 NVMe. Last updated 2026-02-09.

Lexar NM790 2TB vs WD Blue SN5000 2TB: the short version

Two strong options in the same ssd class, aimed at different buyers. Below is a clean side-by-side, the real performance gap, and a no-nonsense recommendation so you stop second-guessing and buy the one that fits your build and budget.

Side-by-side specs

| Spec | Lexar NM790 2TB | WD Blue SN5000 2TB | | --- | --- | --- | | Vendor | Lexar | WD | | Tier | high | high | | Released | 2023 | 2024 | | Capacity | 2TB | 2TB | | Interface | PCIe 4.0 NVMe | PCIe 4.0 NVMe | | Form factor | M.2 2280 | M.2 2280 |

Head-to-head: who wins what

  • Performance: Lexar NM790 2TB and WD Blue SN5000 2TB trade blows by workload. Lexar NM790 2TB has the edge where its stronger 2TB of PCIe 4.0 NVMe matters; WD Blue SN5000 2TB wins the rest.
  • Efficiency: See the spec table for board power and plan your PSU accordingly.
  • Value: Same-class rivals shift price constantly — check current street pricing and let the cheaper one at your target resolution decide value.
  • Our pick: Buy Lexar NM790 2TB if you want the outright ceiling and can cool/power it. Buy WD Blue SN5000 2TB if you want lower power, lower cost, or a feature the other lacks. (Plan for ~0 W board power plus the rest of the system.)

Confirm headroom before you commit

A limit you cannot see will eat your gains. Run the VRAM Usage Estimator to confirm the pair fits your build before you buy either.

Frequently Asked Questions

Is the Lexar NM790 2TB worth it over the WD Blue SN5000 2TB?
If you need the extra 2TB of PCIe 4.0 NVMe and can power/cool it, yes. If you are at 1080p/2K or on a budget, the WD Blue SN5000 2TB is the smarter buy — the gap narrows fast once you are not the bottleneck.
Which is better for gaming, Lexar NM790 2TB or WD Blue SN5000 2TB?
For maximum frame rate, Lexar NM790 2TB. For the best balance of cost and smooth play, WD Blue SN5000 2TB. Match the pick to your monitor resolution and your CPU.
Do I need to upgrade my PSU for either?
Plan around the higher board power of the two (0 W) plus the rest of the system. Use the power calculator before committing.
Which has better driver / firmware support?
Both Lexar and WD ship regular updates. Run the latest stable branch and avoid the known-bad versions noted for each model.
Is now a good time to buy, or should I wait?
Prices in this class move with new launches. If you have a clear need, buy; if your current hardware still works, waiting a generation often improves value.
Will it work with my current build?
Check case clearance, PSU wattage, the PCIe 4.0 NVMe slot/header, and CPU bottleneck before buying. The matching calculator confirms headroom.

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