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Lexar 4TB NM790 SSD PCIe Gen4 NVMe M.2 2280 Heatsink 7400MB/s

Name: Lexar 4TB NM790 SSD PCIe Gen4 NVMe M.2 2280 Heatsink 7400MB/s
Brand: Lexar
SKU: B0CGKY9K2Y
Price: 579.99 USD
Availability: InStock
Rating: 4.8 (1278 reviews)

4.8 (1,278 reviews)

Posted Jun 1, 2026

$579.99$697.84

17% OFFYou save $117.85

Get This Deal at Amazon

In StockPrice changed 13d ago

Is this a good deal?

[4TB] Exceptional performance up to 7400MB/s read, 6500MB/s write; 3000TBW
2x faster than PCIe Gen 3 SSDs
Designed with a heatsink to keep your rig cool for better performance and power efficiency
Up to 40% less power consumption than DRAM cache-enabled PCIe Gen 4 SSDs
Host Memory Buffer (HMB) 3.0 activates the DRAM cache function of your device for a smoother transfer speed and seamless performance
Compatible with PlayStation 5
Five-year limited warranty

Great Deal

Save 17% on this 4TB PCIe Gen4 SSD with speeds up to 7400MB/s. Ideal for gamers and creators needing fast, high-capacity storage with included heatsink.

What we like

Read up to 7400MB/s, write up to 6500MB/s
4TB capacity fits large game libraries
Included heatsink for thermal management
3000TBW endurance with 5-year warranty

Watch out for

No dedicated DRAM cache (uses HMB 3.0)
Heatsink may not fit ultra-slim laptops

Tip: Install in PS5 for expansion; the heatsink easily fits the PS5 slot.

Our Take

Best for: Gamers and content creators needing fast 4TB storage.

The Lexar NM790 4TB with heatsink delivers flagship PCIe Gen4 performance. Read speeds hit 7400MB/s and writes 6500MB/s, putting it among the fastest drives available. The 4TB capacity is generous for modern game installs and 4K video projects. 0 technology ensures smooth operation without a dedicated DRAM cache. With 3000TBW endurance and a 5-year warranty, it's built to last. The current 17% discount makes this a strong buy for anyone needing high-capacity, high-speed storage.

Price Analysis

At $579.99, this 4TB drive is 17% off the $697.84 original price. The 30-day average was $697.84, so you're saving about $118. This is the best price we've seen recently, making it a great time to buy.

Common Questions

Is this SSD compatible with PlayStation 5?

Yes, the Lexar NM790 with heatsink is officially compatible with PS5. The included heatsink fits the PS5 expansion slot, and the drive meets Sony's speed requirements.

What is the endurance rating?

The 4TB model has a 3000TBW (terabytes written) endurance rating, which is excellent for heavy use in gaming or creative work.

Does it require a heatsink?

The drive comes with a pre-installed heatsink, so no separate purchase is needed. The heatsink is effective for maintaining performance under load.