The SSD marketplace can seem overwhelming at first glance. Each production claims to be the fastest with avant-garde technologies that get out the competition in the grit. In that location's a lot of marketing fluff and artificial numbers thrown effectually, though ultimately it's a great time to upgrade your storage considering ever-lower prices and ii distinct segments that become from fast and relatively affordable storage to extremely fast and more costly solutions. Today we'll be taking a look at the latter segment, comprised exclusively of NVMe solid storage.

Which products are the best for sure workloads, what technologies are out there, and what should yous choose for your next build. Nosotros're taking a look at top players Samsung's 970 Pro and 970 Evo, Intel's Optane M.two modules and Intel's Optane PCIe card and WD's Blackness SSD. A previous generation NVMe SSD from Intel has likewise been thrown in for comparison.

As the SATA link became a bottleneck for the advancing speeds of SSDs, manufacturers started connecting them directly through the PCI Express passenger vehicle. This offers higher throughput, lower latency, and more room for scaling. To draw a straightforward comparing: Samsung's nearly popular SATA SSD is the SSD 860 Pro (~$120 for 500GB) and that'south possibly equally fast as a SATA drive will become. Until but a few years ago we rejoiced for getting those kind of speeds. Just for the most part products reviewed today will be anywhere from ii to three times faster in raw throughput figures.

Not-Volatile Memory Express, or NVMe, is now the standard for high speed storage drives. You'll demand a relatively new chipset to support this technology since older motherboards do not take M.ii ports. Some systems and drives may be backwards compatible which volition permit you to run in a legacy SATA mode over Thousand.2, but you'll desire to cheque your transmission before purchasing.

Having commanded many of our top SSD lists for the by few years, the first models in our roundup are Samsung'due south 970 Pro and 970 Evo SSD. They represent the successors to the highly successful 960 Pro and 960 Evo line from belatedly 2022. Both of these SSDs use Samsung'southward 3D V-NAND engineering science to achieve high density at an affordable cost. Compared to traditional NAND storage in which the cells are laid out flat on the PCB, V-NAND uses a vertical system. Samsung claims that stacking the cells as well improves longevity and power efficiency.

The 970 Pro is available in 500GB and 1TB versions at a price of $230 and $570, respectively. The 970 Evo is available in 250GB, 500GB, 1TB and 2TB variants with prices ranging from $107 for the 250GB version up to $800 for the 2TB variant.

For testing today, nosotros have the 1TB version of the 970 Pro and the 500GB version of the 970 Evo.

Samsung advertises the ii drives every bit having operation similar to each other. The key deviation between the ii drives is the type of internal retention they use. The 970 Pro uses 2-bit MLC flash, while the 970 Evo uses 3-flake MLC flash in a TLC configuration which is cheaper to manufacture. On newspaper, the two drives, comparing across the same storage capacity, have very like read and write speeds.

Samsung'due south new strategy thus becomes clearer, every bit the more than pop Evo line is now taking over the Pro equally the main offering for most consumers. The higher priced 970 Pro with its two-chip MLC wink is rated for 4x write endurance but given the Evo'southward impecable rails tape and ample terabytes written rating (TBW), to the boilerplate user those figures won't matter much.

Next on the listing is Intel's Optane storage engineering science which they launched final year. Intel boasts of Optane every bit i of the biggest breakthroughs in computer storage history. Optane works in a fundamentally unlike manner from other types of storage nosotros seen earlier. Chief memory similar RAM is groovy at storing small $.25 of data that need to exist accessed very quickly, only it is expensive and doesn't accept a large capacity. Secondary storage, like an SSD or HDD, is great for storing large amounts of information that don't need to exist accessed as ofttimes. And then Intel's take here is to offering storage that is faster than NAND flash with latencies closer to RAM, larger capacity than RAM only pricing closer to an SSD, and significantly higher endurance than traditional SSDs.

Intel currently has three chief flavors of Optane on the market place: small accelerator modules meant to act every bit a cache for spinning disks, medium sized drives meant to shop your Os and a few select programs, and full sized drives for your huge Steam library or other data intensive workloads.

While Optane products are very fast, they're not meant to have the absolute fastest read and write speeds, instead focusing on low latency and consistent performance across a wide variety of queue depths. We have 3 drives in the lab for testing: the SSD 800P 58GB, the SSD 800P 118GB, and the SSD 900P 280GB.

Intel offers the high-terminate 900P in both the U.ii form factor and in a standard PCIe x4 add-in card. The U.2 model retails for $330 with a capacity of 280GB and the PCIe version comes in capacities of 280GB and 480GB with prices of $330 and $540, respectively. While we were working on this comparison, Intel released the newer Optane 905p which offers a small-scale bump in performance over the 900p nosotros tested. It's not meant to replace the 900p, only rather solidify Intel'south lead in low queue depth tasks while calculation a larger and more expensive 960GB version.

Intel's 3D-Xpoint works past stacking cells on pinnacle of each other in two memory layers, hence the 3D name. Cells are read from and written to by varying the voltage sent to selectors that command the cells. This configuration means each cell does not require a transistor unlike traditional NAND wink or DRAM. Past eliminating the transistors, the cells become cheaper, faster, and can shop more than information.

The 58GB and 118GB drives occupy an interesting segment of the marketplace, coming in at $110 and $200. They are simply large enough for your operating system and a few select programs withal cost iv times more per GB than traditional NAND based SSDs. My showtime idea when they came out was if y'all are going to spend all that money on an SSD, who would want ane so small. The 800P line is as well a step upward from Intel'southward original Optane line which had capacities of just 16GB or 32GB and could only be used to accelerate an HDD -- no longer a very common scenario, it'd announced.

Compared to the 900P'southward well-nigh unheard of lifetime endurance of over 5PB written, the 800P but manages 365TB. Fifty-fifty though that is a 93% drop, information technology's still more than twice the endurance of previous generation NAND based SSDs. On paper, the 800P has slower read and write speeds than the 900P but maintains a similar ultra-low level of latency.

To wrap up our SSD roundup is Western Digital'southward Blackness NVMe SSD. A relatively newcomer to the solid state market place is debuting with a direct rival to Samsung's flagship drives. It uses similar 3D NAND technology, and is meant to sell for a bit less. Both lines claim to offer like functioning, so value will exist a key cistron in choosing which drive to selection.

The WD Black is available in 250GB, 500GB, and 1TB sizes with pricing of $110, 200, and $400, respectively.

Storage reviews involve a lot of numbers and data points, so here is a quick table highlighting some key product data for each drive. The drives are available in different capacities as mentioned above, only we've only included data for the drives we're testing today. The write endurance value represents how many terabytes of information the drive is expected to exist able write before failure.

Bulldoze Capacity Max Read (MB/s) Max Write (MB/s) Write Endurance (TB) Cost Toll/GB
Intel Optane 800P 58GB 1450 640 365 $108 $1.86
Intel Optane 800P 118GB 1450 640 365 $200 $1.69
Samsung 970 Pro 1TB 3500 2700 1200 $500 $0.48
Samsung 970 Evo 500GB 3400 2300 300 $200 $0.xl
Intel SSD 600P 512GB 1775 560 288 $240 $0.47
Intel Optane SSD 900P 280GB 2500 2000 5110 $330 $1.18
Western Digital Blackness 1TB 3400 2800 600 $400 $0.39

Benchmark Results

Moving on to the operation tests, we'll get-go with synthetic benchmarks to get a experience for how each drive works under ideal circumstances then move into more real world scenarios. The ii most important benchmarks for a drive's performance are speed and latency. These categories are further broken downwards into sequential and random access patterns. Sequential results represent reading large files such as textures or videos that are stored together. On the other hand, random access represents loading many, typically smaller, discontinuous files such as when launching a game or booting an operating system.

My testing was done on the Z370 platform with a Core i7-8700k. Constructed tests are typically done past accessing the drive under test from from another drive that you are booted to. Real world tests were done by installing the aforementioned Windows installation on each bulldoze and conducting the tests locally. I used an Intel SSD 600P as my boot bulldoze for the synthetic tests and also threw its results in for comparison. It is an older bulldoze and represents operation results from previous generation NVMe drives.

ATTO Disk Benchmark

The get-go examination I ran was ATTO Disk Benchmark. This gives a skillful thought of how each drive performs with various files increasing in size from 512 bytes up to 64MB. Small files are harder to procedure since there is more than overhead for the controller. We can come across that the Optane based drives mostly attain their peak read speeds effectually 16-32k, sooner than the NAND based ones. These are all considered summit-of-the-line SSDs and we tin run into the broad range in their performance numbers.

The 970 Pro only barely edges out the WD Black in the read test but can't sustain its rated 3500MB/southward speed for long. The 970 Evo had some troubles hither and despite being rated at 3400MB/s, only achieved a max of about 3150MB/due south before tapering off substantially. The Optane 800P modules are spot on to their advertised numbers and the 900P is well above its rated 2500MB/s.

Writing to a drive typically happens less oft than reading and so manufacturers tend to focus on their efforts accordingly. The drives here are situated more closely than in the read tests and the gap between the Optane 800P line and the remainder of the drives has widened. Although they are slightly better than last generation'south SSD 600P, the Optane 800P modules achieved their rated write speeds of 640MB/s which isn't much faster than standard SATA based SSDs from several years ago. I certainly would have expected some better numbers hither.

Equally SSD Criterion

At the elevation of the nautical chart nosotros have the WD Black which actually exceeded its rated 2800MB/southward write speed. Behind that is the 970 Pro which slightly exceeded its 2700MB/s rated speed. The 970 Evo comes in third merely gives some very interesting results. The 500GB model I accept is only rated to 2300MB/s only really accomplished over 2500MB/s here. The Optane 900P finishes out our top four and also beat its 2000MB/s rating by virtually 10% here.

On to access time at present. These results are important for organization responsiveness and when applications need to admission many files. The faster the drive can answer to a asking, the faster it can move to the next asking in queue. With the exception of the SSD 600P, all of the results are fairly close together. The Optane drives do come out on tiptop by a slim margin.

The As SSD read and write tests are a scrap of a mixed bag. The 4K exam measures the drive's performance reading or writing a 4K chunk of information. This is a relatively pocket-size file so it is difficult for drives to manage at high speeds. The 4K-64Thrd exam measures the bulldoze'due south operation reading or writing a similar 4K chunk of data, but this fourth dimension running 64 threads meantime. This is as well known as a queue depth of 64. The tertiary test I ran was sequential read and write which tests the drive'south power to read or write a single big chunk of contiguous data.

The write tests don't really bear witness a articulate overall winner but the 970 Pro is the most consistent drive so I'll give it the win here. The WD Black drive leads in sequential writes just comes in 4th at 4K with a 64 queue depth. Among the top 4 drives, the standard 4K tests are all very close and could be considered within margin of error. Here we encounter the Optane 800P drive struggle compared to the rest of the field.

The read tests are a footling more well divers. The three Optane drive destroy the competition in 4K reads coming in at well-nigh 4 times the performance of the side by side closest drive. The Optane 900P besides leads in the 4K-64 thread examination by a sizable margin.

In terms of pure sequential reads, the Optane drives dull downwards with the 970 and WD Black drives neck and neck for the lead. I'll hand the win for this one to the Optane 900P given its ascendant 4K performance; something that more than closely resembles a real world workload.

Iometer Benchmark

Next upwards nosotros accept Iometer which is an extremely powerful tool and is seen equally the manufacture standard in storage benchmarks. Iometer can measure dozens of metrics, but since we accept already covered read and write speeds in details, I will be testing drive response time. Iometer is too well known for its input-output operations per 2d (IOPS) measurement, just that tin can vary widely depending on the system and configuration. It is also an extremely contrived test that doesn't reflect whatever workload a user would face outside of high functioning enterprise databases. If that is your employ case, then there are enough of drives specifically designed for it that this review won't cover.

I did 2 tests hither. The offset i is at a queue depth of 1 which represents the response fourth dimension for reading a unmarried file at a time. The 2d ready of tests was at a queue depth of 256 which represents the response fourth dimension for the drive receiving 256 requests for information at once. Thanks to the pattern advances of 3D-XPoint, the Optane drives actually shine here. While the 970 Pro slightly edges them out in terms of average write latency, the overall tests aren't even a contest. All three Optane drives perform almost identically and are more than three times faster than the closest competitor. Western Digital's bulldoze and its controller actually struggle here, coming in at roughly twice as slow as the next competitor.

The same tests repeated at a queue depth of 256 evidence a very similar upshot with the Optane 800P actually winning by a significant margin. The WD Black does actually take the best average read functioning and surprisingly the older SSD 600P had the best average write functioning, but overall, Optane wins by far. It'south an interesting result to see the 970 drives faster than the WD Blackness in the QD1 test, but significantly slower in the QD256 exam. We tin meet that since there are 256 data requests happening, the 970 Evo's cache fills up and its average write functioning is significantly worse than the 970 Pro.

In terms of overall response time performance, the articulate winner is the Optane drives. The older NAND architecture is no match for 3D-XPoint.

Real-Globe Applications

At present nosotros'll move on to to some real world benchmarks. I selected a wide variety of different scenarios that will test different aspects of the drives. These are all tasks that occur often for everyone and should give a good result of how each drive would perform in an actual build. The showtime test is a full Windows drive image restore. I performed a clean installation of Windows 10 and then immediately imaged the bulldoze using Macrium Reflect. I then restored that same drive image to each SSD in the roundup and timed how long that took.

The 600P is not included in this test since that is where I stored the raw image. With the exception of the two Optane 800P drives, the finish results are all within two seconds of each other. I would telephone call that inside a margin of error. Despite the pregnant differences we saw in the synthetic benchmarks above, when it comes to performing this particular task, the top 4 drives perform nearly identically.

Side by side up are two file copy tests. I used the files for a desktop program since that represents numerous pocket-sized files for the first function. For the second part, I used the unmarried big fill-in image from the previous test for the 2d part since that represents moving a single large file. These tests were performed by copying the image from one directory and pasting it to a different directory on the same drive. This means the drive has to read the data, procedure where it is going to put it, and and so actually write it thus testing reading, writing, and access time.

The SSD 600P was the winner for the program copy but finished in last place for the drive image re-create. There are some more interesting trends to notice hither likewise. The Optane 900P and NAND based 970 and WD Black drives all performed better at copying the fill-in image than the program. Overall the 970 Pro, 970 Evo, and WD Black performed identically and so I'll marker this 1 up as a three-way tie.

This adjacent test is extracting a compressed file and writing it to another location on the same drive. But like with the previous test, this involves reading the archive, performing some processing to extract the files, and them writing them to the bulldoze. There is roughly a 10% difference in speed from summit to bottom with the 900P winning this i.

The concluding test is very interesting from a mundane taks, twenty-four hours to day point of view. Information technology shows the time for the computer to boot from completely off to the Windows desktop and and then also the time to launch Counter-Strike: Global Offensive. For the most part both test results were inside 2 seconds across the lath...

Closing Remarks

Many of the common storage related tasks didn't seem to exist overly affected past which drive from this round up they were run on. As anticipated, Optane drives and 2nd-generation NVMe SSDs are the top players in the market place offering a considerable performance advantage against more affordable SATA solid state drives. But it'southward in the subtle details where yous can depict some conclusions on what to buy based on your needs.

Going back to our storage buying recommendations before this year, mainstream users do not need to invest in super fast NVMe SSDs. For one-half the price (or double the storage chapters) most consumers will be satisfied with what's offered by Samsung's 860 Evo, WD's Blue, or the infamous Crucial MX500 SATA drive.

Meanwhile, enthusiasts and professionals will definitely leap at the opportunity of wild storage performance offered by today's NVMe offerings. If your workload involves moving large amounts of data around, you'll want to go with the 970 Evo/Pro or WD Black since they accept the best sequential read and write speeds. Notation that the WD Black offers Evo-similar pricing but with meliorate write endurance, while the 970 Pro goes across the 2 at a premium. The 970 Evo is the only series to offering a 2TB version.

If your workload requires super fast response times or analyzing large collections of information with many files, you'd practice best with the Optane 900p since it offers incredibly low response times. The high-end Optane is what we'd call a niche inside a niche product, ane that dominates its competitors at small file reads and writes coupled with an insanely high endurance rating. If that's what you lot demand, there'south nothing like the expensive Optane, which as of writing received a slight bump (new model 905p) offering a larger 960GB version for a handsome $one,299.

In our opinion, the "mid-range" Optane 800P is a harder sell due to pricing. The pitch of running a "cheap" bulldoze to put your Bone and a game or 2 on might have worked a few years ago, but the 800p is non affordable enough to get in better than alternative larger chapters drives.


TechSpot Outstanding Award:
All-time SSD for enthusiasts: Samsung 970 Evo and WD Blackness NVMe SSD
Best workstation SSD: Intel Optane 900P/905P

Bottom line, for a wide majority of enthusiasts and pro users we wouldn't look past the 970 Evo and the equally competent WD Blackness. Both are wildly fast drives that won't pause the depository financial institution. The 970 Pro may perform slightly better in some scenarios, but too costs more and unless you require the endurance, we wouldn't bother. Finally, the Optane 900p/905p is simply the best at that place is right now, merely if you don't need the latency and "queue depth" doesn't mean anything to y'all, the top NVMe drives have comparable read and write speeds.

Shopping Shortcuts
  • Samsung 970 Evo on Amazon, Newegg
  • Western Digital Black on Amazon, Newegg
  • Intel Optane SSD 900P on Amazon, Newegg
  • Samsung 970 Pro on Amazon, Newegg