Kingston does not fully promise what is inside the NV2. That sentence is the review, more or less. The drive on the box is a 1TB PCIe 4.0 M.2 stick at a low price, but the parts on it can vary, and they change how it behaves during a long write. For an operating system and everyday files, that may never matter. For backups and video work, it will.
There is more lab data here than direct owner feedback, so please read the numbers below as published test results.
Product image from the Amazon listing.
The Lottery Inside the Label
KitGuru’s review put it plainly in its cons list: “Components may differ.” Its 1TB sample used 144-layer QLC flash, and it noted that Kingston may instead fit “112-Layer BiCS5 3D TLC or 144-layer QLC.” PCWorld’s 1TB sample also had 144-layer QLC, on a Silicon Motion SM2267XTV controller. That is a DRAM-less design, which borrows a little system memory through a feature called host memory buffer.
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Why care? QLC stores more bits per cell, which keeps the price low, and it is usually slower to write once the fast cache runs out. TLC tends to hold up better. Owners know the risk. In an OzBargain thread about the 2TB model, one commenter summed it up as a “QLC vs TLC lottery.” The original poster called it a “Cheap disposable Gen 4 drive.” Tom’s Hardware titled its review “Cheap But Risky.” That title says a lot.
Do not expect the listing to tell you which version you will get. You only find out by testing the drive once it arrives.
What Happens on a Long Write
Kingston rates the 1TB model at 3,500 MB/s for reads and 2,100 MB/s for writes, according to SSD-Tester. Those figures describe short bursts. Like most cheap drives, it treats part of its flash as a fast cache, and the real speed shows when that cache fills.
The tests here do not agree, and that is the story. SSD-Tester found that its sample wrote fast for about 269GB, then slowed, with an average of 896 MB/s across a 300GB write. PCWorld ran a 450GB write on its QLC sample and saw speed fall to an average of 140 MB/s once the cache ran out. An OzBargain owner of the 2TB drive reported writes dropping to about 600 MB/s when the drive was 76 percent full, and another commenter blamed the cache shrinking as the drive filled.
Let me put that into plain arithmetic. At 140 MB/s, copying 500GB takes about an hour. That is slower than many people expect from an NVMe drive, and in that state it is closer to a hard disk than to the number on the box. If you only write a few gigabytes at a time, you stay inside the cache and never meet this limit.
As a result, I would not fill this drive to the top. The cache depends on free space, so leaving a good share empty should help. No owner I read measured how much, so treat that as a rule of thumb.
Product image from the Amazon listing.
Heat Looks Fine, Endurance Looks Modest
KitGuru’s test showed a peak of 51°C during its benchmark runs, an average of 41°C and no throttling. That is reassuring for a desktop, though a benchmark is shorter than a full-disk copy, and I found no test of temperature over a very long write. In a slim laptop or a small enclosure, I would still keep an eye on it.
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The rating for endurance is 320TB written, with a three-year warranty. KitGuru called the warranty “a bit mean” next to the common five years, and PCWorld called the endurance low, reflecting QLC flash. The number is still more than most people use. If you wrote it evenly across the three years, that is about 290GB a day by my arithmetic. A home user will not get near that. A person who dumps a full camera card and renders video daily might get closer than they think.
As for failures, I found too little to say anything useful. One OzBargain comment said the poster’s last dead SSD was a Kingston, without naming a model, which proves nothing. I can’t give you a failure rate, and neither can anyone in the sources I read.
Check the Slot Before You Buy
This is an M.2 2280 NVMe drive on PCIe 4.0 x4. It is not a SATA drive. Some older laptops have M.2 slots that only accept SATA, and this will not work in those, even though it fits physically. Check your manual, or look up your exact machine, before you order.
A PCIe 3.0 slot should still run it, with lower peak speed. For a PlayStation 5, be careful: an OzBargain commenter said the 2TB model “gets no where near the recommended 5500 MB/s,” so it falls short of that figure on paper. I found no owner report of this 1TB model on a PS5, or on a Steam Deck.
Mac owners have a simple answer for internal use. Apple silicon Macs have no M.2 slot you can use, so this drive only reaches a Mac through an external enclosure. If you go that way, buy an enclosure that says NVMe, because a SATA-only M.2 box will not accept it. Your speed will then depend on the enclosure’s USB or Thunderbolt link too. I found no owner report of the NV2 in a specific enclosure on a Mac. For a Time Machine backup, which writes in smaller pieces after the first run, the first copy is the one that may hit the slow zone. Expect that first backup to take longer than the speed on the box suggests.
Product image from the Amazon listing.
How I Would Use One
PCWorld’s verdict is fair: “Performance is more than adequate for the average user.” It also said the drive is not for pros who write large amounts of data, and I agree on both counts. KitGuru gave it 7.5 out of 10 and said it “may not set the world on fire.”
Here is what I would do with one. I would use it as a boot drive for a family PC, for reviving an older laptop with a compatible slot, or as a game library, where the drive mostly reads. Games and documents are the kind of load where a cheap drive feels just as fast as a costly one.
For backups, I would use it only with a second copy somewhere else. A cheap drive with parts that may vary should not hold the only copy of anything you care about. After your first backup, restore one or two files to prove that it works. A backup you have never tested is only a hope.
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As soon as the drive arrives, run a large test write of your own. Copy 300GB or so and watch the speed. If it falls off a cliff and that bothers you, your return window is the time to act.
A Fine Cheap Drive With a Known Catch
I recommend the NV2 for people who mostly read data, who want a big jump from a hard disk or an old SATA drive, and who will not move hundreds of gigabytes at once. For that buyer, the value is good.
Skip it if you shoot and edit large video, run a NAS cache, or copy huge files on a regular basis. A TLC drive with a DRAM cache and a five-year warranty costs more and earns it. Skip it too if you want to know exactly what you are buying, since this drive cannot promise that.
If your workload is light, the Kingston NV2 NVMe SSD 1TB is a practical upgrade, as long as you test it early and keep a second copy of anything important. This is an affiliate link. As an Amazon Associate I earn from qualifying purchases.
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