Best NVMe SSDs of 2026

Roughly double the sequential speed of anything else on this page is the headline: 14,700 MB/s reads, 13,400 MB/s writes, and random performance to match. That only happens on a PCIe 5.0 x4 slot, which rules out most laptops and a fair share of desktops, so the first thing to read is your board's spec sheet rather than the drive's.

For the person who can use it — a Gen5 desktop, a workstation chewing through multi-gigabyte project files, a pipeline where minutes compound — we think it justifies its place at the top of the range. The 5nm controller is measurably more efficient than the 990 PRO's, and the 2GB LPDDR4x cache keeps heavy parallel jobs from stuttering. For everyone else the extra speed is a number on a box.

Heat is the other half of Gen5. This listing is the bare drive, and Samsung's own PS5 compatibility note assumes you add a heatsink. In a desktop with a board heatsink and real airflow that's an easy afternoon; in a cramped build it's the difference between peak speed and throttled speed, which is worth knowing before the drive arrives.

A 1TB Gen4 drive at 7400/6500 MB/s that costs less than several slower drives in this guide — that's the whole pitch, and it's why the GM7 is what we point to for a first build or a laptop refresh. Nothing about it feels like a compromise until you push a very large file at it.

It's DRAM-less, borrowing a slice of system memory through HMB instead of carrying its own cache chip, and it leans on an SLC cache for burst writes. That's how Acer gets to this price. For Windows, apps, and game installs — read-heavy work — we never found the arrangement wanting, and the thermal throttling and power management keep it from cooking inside a laptop.

The five-year warranty is the same length Samsung and SanDisk offer, and Biwin's management software covers firmware and health, so nothing about the support story is cut-rate. If your board has a Gen4 slot and you want one fast terabyte without flagship money, this is the one to put in the basket.

Video editors and photographers buy storage by the terabyte, and the drive that matters is the one that doesn't fall over halfway through a huge transfer. The Optimus 5100 reads at 7100 MB/s and writes at 6700 MB/s, and SanDisk builds it on its own flash with a power-efficient controller aimed at laptops as much as towers.

The 2TB version is the sweet spot in a family that runs from 500GB to 4TB, and endurance scales with it — SanDisk quotes up to 1,200 TBW at the top of the range, so the smaller drives sit below that figure. The five-year limited warranty is standard for this class, and the Dashboard app handles firmware and health checks.

What we paid attention to is how little it asks of you. The controller is designed for low power, there's no exotic cooling requirement, and nothing about the install differs from any other M.2 stick. That unglamorous quality is what you want from the drive your work lives on.

Against the 990 PRO it gives up a little sequential speed and keeps a real price advantage, which is the right trade when the drive is a work tool rather than a toy. It's the pick here for anyone whose storage has to carry a project folder and a backup at once without either one being the compromise.

The NV3's 4,000 MB/s write rating is the lowest of the Gen4 drives here, and it's the first thing to be straight about: this is a drive built to a price. What it has is 6,000 MB/s of read speed, which is the half of the specification you actually feel when Windows loads and games launch.

That makes it our budget Gen4 pick, because the money goes where it gets used. It runs cool, it installs like any other M.2 stick, and it's backward compatible with Gen3 slots, so it's a sensible buy for a machine that was never going to saturate it. If you routinely write large files to the drive, the 4,000 MB/s ceiling is the number to weigh.

Kingston bundles Acronis cloning software, which saves an evening and a fiddly third-party tool when you're moving an existing Windows install across. The wrinkle is Mac compatibility, which is inconsistent enough that a MacBook owner should confirm the slot and the drive before committing.

Not every slot needs 7,000 MB/s. The SN350 is a Gen3 drive at 3,200 MB/s, which makes it the wrong buy for a new Gen4 build and a very good one for an older laptop, a second M.2 slot that only holds a game library, or a mini-PC that shipped with a hard drive.

It's QLC flash, which trades write endurance for cost per gigabyte. Read that as a workload note rather than a warning: it's fine as a boot and library drive, and it's the wrong tool for video scratch work or anything writing continuously. The three-year warranty is shorter than the five years most of this group carries, and it fits the price.

Cool running is the other point in its favor. There's no heatsink to fit, no throttling drama in a thin chassis, and it slips into a slot with almost no clearance above it. For a laptop you're reviving rather than a desktop you're showing off, that's the right set of priorities.

Two terabytes is the reason to buy it, and a big drive at Gen3 speed beats a small one at Gen4 speed once the games stop fitting. If you do have a Gen4 slot and the budget for it, the Acer Predator GM7 is the faster purchase for the same job, and we'd point a new build there first.

Most drives in this group arrive as a bare stick and you buy the heatsink separately. The X7400 comes with one, plus a screwdriver kit and a quick start guide — small things that matter at nine in the evening when the only screw you have is the wrong length.

The drive itself is a 1TB Gen4 part quoted at 7350 MB/s reads, which puts it in the same conversation as the Acer and the Samsung on paper. The heatsink is the piece to inspect: it's a thin plate, and how it fastens matters in a vertical mount, where the plate carries the drive's weight rather than resting on it.

For a PS5 or a desktop where cooling would otherwise be an extra purchase, the bundle is the reason to pick this one, and the five-year warranty covers the drive itself. On a PS5 Slim, check the fit before you commit — that's the build where heatsink height and drive thickness get tight, and it's the one caveat we'd flag to a console owner.

Three thousand megabytes per second and 512GB for the least money in this guide. The P320 is Gen3, NVMe 1.3, and about as plain as an SSD gets — no heatsink, no software bundle, and no claims about Gen4 headroom it can't deliver.

Where it earns a place is the machine nobody wants to spend money on: an office desktop on its last legs, a Linux box, a spare build for the kids. Cloning an old hard drive onto it is the difference between a computer you avoid and one you use, and that jump is far bigger than the one from this drive to a Gen4 model.

The catch sits on the listing itself: the warranty field reads no warranty, which is worth knowing before you trust a drive with anything. For a throwaway build, or a machine whose files live in the cloud, that's an acceptable trade. For anything you care about, spend a little more and take the WD Green SN350 instead.