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Best M.2 SSD to Massively Improve Your PC’s Performance

An upgrade from your old SATA to the modern NVMe m.2 SSD will make a huge difference to the speed of your computer. Modern storage drives come in the well-known “gumstick” m.2 format that have gotten a lot faster – almost 4 times as fast as SATA SSDs.

Every year manufactures release a new series of m.2 drives that one-up their predecessors in both price and performance. It’s hard to keep up with this technological progress, which is why this article exists.

Best M.2 SSD Reviewed

If you’re confused about the evolution of data storage technology, we can’t blame you. The design and technology behind data storage has changed rapidly the past few years. Every year new m.2 SSDs come out and the ones prior to them become obsolete, slower, and lack the same cost per GB value as newer models.

We’ve handpicked the 5 best NVMe m.2 SSDs you can buy today based on their speed, endurance, and cost per GB value. To help you with any confusion regarding the current technology, there’s also a Buyer’s Guide and FAQs section after the reviews.

Best Overall

Best Overall

Samsung 970 Evo

Best Balance of Performance and Price

The Samsung 970 Evo is this year’s top model for its incredible read/write speeds and good cost per GB when compared to others. It comes in a wide range of capacities and is four times faster than SATA SSDs.

Samsung’s 970 Evo is the hands down the best m.2 SSD you can buy in 2018 because of its incredibly stable, reliable, and fast performance that doesn’t demand a premium price.

Best Value

Best Value

Adata XPG SX8200

Great Performance at an Affordable Price

The Adata XPG SX8200 offers great speeds and excellent endurance at a fantastic price. In-terms of value, very few m.2 solid state drives can compete with this model. It offers the same fast controller Intel uses on its m.2 SSDs.

If you’re looking for an affordable yet fast m.2 SSD, the Adata should be one of your top considerations as it boasts incredible cost per GB.

Samsung 970 Evo

Samsung970Evo

Samsung started the trend of NVMe m.2 SSDs, and they constantly deliver with their 900 series. The 970 Evo is, without a doubt, the best overall m.2 SSD in the market right now. It features incredible performance, lots of capacity, and comes at a price that at least won’t scare you away if it doesn’t attract you.

It’s not the fastest m.2 SSD in the world, but it is the most stable and best overall on a price per GB and speed point of view. The 970 Pro has the EVO beat for sheer speed, but it’s not something you’ll be able to tell without an SSD benchmark test.

This powerful m.2 SSD is compatible with a PCIe x4 interface, has a read/write speeds of 3,400/2,500MB/s, and Random IO of 500K/450K IOPS read/write.

The endurance of the Samsung 970 Evo is also impressive. It comes in a wide range of capacities and compared to SATA SSD drives it is four times faster.

Pros

  • Incredible performance
  • Excellent speeds
  • Lots of endurance
  • Balance between performance and price

Cons

  • Still a bit pricey

WD Black NVMe

WDBlack

If you want a great alternative to the 970 Evo, the Western Digital Black NVMe m.2 SSD is a great option. It costs slightly less than the 970 Evo and is nearly as fast. The read speeds of the WD Black are the same as Samsung’s 970 Evo. The different however is in the write speeds which are marginally slower.

The 2018 Black is WD’s correction of their mistake with their first series of NVMe drives. The new model features 3D NAND and its performance can nearly match the 970 Evo.

The WD Black struggles a bit with heavy sustained random writes, but for gaming computers and general desktop use this is perhaps the second-best option available after the 970 Evo. Depending on the pricing in your area, it’s a toss-up between the WD Black and the Samsung 970 Evo even though the latter perhaps better on paper.

Pros

  • Excellent performance
  • Good endurance
  • Balance between performance and price

Cons

  • Random write speed is inferior to the 970 Evo

Samsung 970 Pro

Samsung970Pro

We believe the Samsung 970 Evo is the best overall m.2 SSD, but if you’re looking for the downright fastest, you won’t find anything that can beat the 970 Pro in this form factor.

The Pro version of Samsung’s m.2 SSDs have been all about blazing fast speeds with ridiculous endurance. The Pro is all about raw speed. The read speeds are the same as the 970 Pro, but it’s the write speeds (often the biggest determinants of tangible speed) that have been bumped to a whopping 2,700 MB/s.

This gives the Samsung 970 Pro the official crown for the fastest m.2 SSD you can buy in 2018. The ridiculous 600 TB endurance is also a hug appeal.

The downside? The price. For a small bump in speed and endurance, you’re expect to pay $120 more than you would for the Samsung 970 Evo. The real-life difference between the two in intensive scenarios may be of a couple of seconds max, so it’s up to you to decide if that’s worth paying so much extra for.

Pros

  • The fastest m.2 SSD you can buy
  • Excellent endurance
  • Unparalleled performance

Cons

  • Extremely expensive

Intel 760p Series

The biggest turnoff for most users looking to buy an m.2 SSD is the high price per GB. Even though prices have gone down the last couple of years, they still need more than what anyone would hope to pay.

Intel is looking to change with their new line of m.2 solid state drives. First the 660p, and not the updated version, the 760p series. What lets Intel price these drives at below average price without sacrificing performance is their use of QLC NAND, leading to the lowest prices for gumstick drives.

You get incredible performance that is only slightly inferior to last year’s incredible Samsung 960 Evo, and given its price, this is the best value m.2 SSD you could possibly get your hands on. It features incredible read/write speeds for the price of 3,056 MB/s and 1,606 MB/s respectively.

There are obviously faster NVMe drives available out there, but they’ll demand a premium price. For anyone looking for an incredible value deal, there’s no m.2 SSD that can match the price to performance ratio of the 760p.

Pros

  • Great value
  • Fast speeds
  • Game changer in price per GB

Cons

  • Slightly sluggish write speed

Adata XPG SX8200

Adata and Intel are the MVPs of the SSD industry because they’re hell-bent on find the best ways to decrease the price per GB. The Adata XPG SX8200 is a fantastic budget option for those unwilling to dish a ridiculous amount for an m.2 SSD.

Coming in at a single capacity of 480 GB, this NVMe m.2 SSD is the best offering speed-wise from Adata. The SX8200 uses the SM2262 controller which is the same one used in the Intel 760p. the sequential read/write speed of the Adata XPG are 3,200 and 1,700 MB/S respectively, which is better than the Intel 760p.

In real life situation, the difference is minimal, and Adata’s offer is hard to ignore because of cost-effective they are compared to others. It’s a perfect solution if you want to build a fast PC but feel uncomfortable investing so much in your m.2 SSD.

Pros

  • Great value
  • Fast speeds for the price
  • Great price per GB ratio

Cons

  • Not commonly available
  • Only comes in a single capacity

Buyer’s Guide

    The most important thing you need to look at when buying your m.2 SSD is the bus your desktop or laptop computer uses. The bus is the trickiest part of an m.2 upgrade.

    A few years ago, most m.2 drives were just SATA drives in a smaller form factor. They were designed to be small so they could fit in thinner laptops and narrower desktop towers, and that was the only real advantage to them.

    Much has changed since then. While older m.2 SSDs that use the SATA bus still exist, majority of the newer models all utilize the faster PCIe x4 bus. This bus allows them to unleash their incredible speeds.

    How does that information determine your purchase decision? You need to know which bus your desktop or laptop utilizes. In case of laptops, there isn’t much you can do if your machine supports m.2 SATA bus SSDs only. You can only swap them out for m.2 SSDs designed for SATA.

    Many modern, lean premium laptops use PCI-e bus m.2 SSDs too, and most modern desktop motherboards with m.2 slots will support m.2 SSD memory.

    However, it is a bit trickier with desktops to figure it out. Some motherboards have m.2 slots that support both SATA bus and PCI-e bus on the same slot. Others offer more exclusivity, supporting only SATA or only PCI Express.

    Furthermore, not all motherboards that have PCI-e bus on their m.2 slot will support PCIe x4 or NVMe. Make sure you do thorough research on what kind of m.2 slot your motherboard has before you purchase an NVMe m.2 SSD.

    Not all m.2 SSDs come in the same size. Though the width of the m.2 SSD standard is fairly consistent, the length varies a lot. This is a much bigger issue with laptops than it is with desktops.

    The length of the SSD can vary between 42mm, 60mm, 80mm, and 120mm. This length can often vary with the storage capacity, but there are other factors (such as the controllers on the board) that make an m.2 SSD longer as well.

    The designation is usually shown by the m.2 SSD’s number. The first two digits designate the width while the remaining digits designate the length. Typically, you’ll find m.2 SSDs with designations like 2260 and 2280.

    The cost per GB of an m.2 SSD is the main yardstick by which the affordability and overall value of the drive is measured in the industry. You should expect higher cost per GB for PCI-e x4 NVMe SSDs, and even within them there is a considerable variation that depends on the architecture, storage, speeds, and performance.

    To get the cost per GB of an SSD, divide the price in dollars by the capacity of the drive in GB. If two m.2 SSDs have similar performance but one has a considerably lower cost per GB, then you know that is the one you should go for.

    What does NVMe stand for and why is it so special?

    NVMe stands for Non-Volatile Memory Express. It is an improved interface over older memory interfaces that combines with PCI-e to maximize the data transfer speeds for flash memory (solid state memory).

    Are SATA m.2 SSDs obsolete?

    It’s harder to find new m.2 SSDs that are designed for SATA. Modern PCs and laptops all utilize a PCI express powered m.2 interface. SATA SSDs are more commonly found in 2.5 inch drive models instead of in an m.2 format.

    What do some m.2 PCIe drives have better price per GB than others?

    This is a difficult question to answer as it depends on a lot of things. The most important and common is the technology involved and how much it costs to design/manufacture these drives. Factors like controllers, storage, speed, technology type, brand name, and more create the variation in the price between m.2 SSDs.

    What is endurance?

    Endurance is the amount of data you can write on a drive before its function could drastically decrease. This amount for m.2 SSDs is usually very high, between 300 to 600 TB. This means that you’ll be able to write over 300 to 600 terabytes of data on the drive before it begins to show signs of malfunction or expiry. With average consumer use, this can take decades.

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