With or without DRAM, both of these super fast 2 TB SSDs are great value for money at just 7 cents per GB

HardwareStorageSSDsWith or without DRAM, both of these super fast 2 TB SSDs are great value for money at just 7 cents per GBWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.

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(Image credit: Lexar)

Two Lexar NVMe SSDs against a teal background, with a white border

Lexar NM790 | 2 TB | NVMe | PCIe 4.0 | 7,400 MB/s read | 6,500 MB/s write |$153$139.99 at Amazon (save $13.01)This is pretty much the best value 2 TB SSD around right now, with an ideal balance of price tag and performance. If you need one with a heatsink, then they’re $20 more onAmazon.Price check:Newegg $149.99View Deal

Price check:Newegg $149.99

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Price check:Newegg $190.75|Amazon $154.99

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Lexar’s NM790 is a brilliant NVMe PCIe 4.0 gaming SSD, as it offers great performance for a very reasonable price, as we discovered when wereviewed the 4 TB version. It doesn’t have the very latest flash memory and controller chips, but the whole setup is very balanced and Lexar has done a fine job of configuring everything to work well.

There are, of course,better gaming SSDsbut they’re more expensive and the NM790 should be more than quick enough for most gamers. What it doesn’t have, though, is a very large cache. Let me explain.

NAND flash, the type of memory that’s used in SSDs, isn’t super quick, especially when being written to. So when you’re trying to get lots of files copied from your PC’s system RAM onto the drive, the data needs to be buffered somewhere to stop things slowing to a crawl. And the table that stores the locations of where everything is on the SSD also needs to be constantly updated.

That SLC cache is more than big enough for most PC gamers' needs but if you use your rig for more than just gaming, and sustained write performance is important to you, then don’t worry—the Lexar NM800 Pro might just be the perfect SSD for you.

That’s because it comes with 2 GB of DDR4 RAM, and combined with the SLC portion of the flash memory, the total cache size is roughly double that of the NM790. In other words, the NM800 Pro will keep going at its full speed for a lot longer than the NM790. That DRAM also hosts the location tables, so you save a tiny bit of system memory, too.

However, the NM800 Pro’s controller chip isn’t quite as good as the NM790’s, so you won’t see the same level of sustained write performance.

If all of this talk about DRAM and caches is leaving you a tad bewildered, then here’s a simpler breakdown. For PC gaming and general use, get the Lexar NM790. If you do a lot of AI stuff or transfer lots of big files around all the time (e.g. video editing), then get the Lexar NM800 Pro.

At just seven cents per GB of storage, both are really great value for money and the perfect SSD upgrade for any gaming PC.

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