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SSD Ranking: The Fastest Solid State Drives

by: Glenn Santos Thursday, January 1st, 2015

Want to remove the speed limit on your PC? How about revving up the transfers and reads on your servers? Here’s the list of the fastest SSDs around at the time of writing (January 2015).This list is not aspiring to be the final word on SSD performance–only a rough guide to NAND Flash-based storage. It is primarily based on sequential read and write speeds (ideal circumstances); keep in mind that there are several other factors that should be taken into consideration when choosing a solid state drive, not least reliability. An SSD’s life span is determined by the number of times each block can be written to before it wears out. SLC (Single-Level Cell) NAND is superior to MLC (Multi-Level Cell), which in turn is superior to TLC (Triple-Level Cell) NAND. On top of which the older (e.g. 34nm) production process is more durable than the newer (e.g. 25nm) process and so on. For the average home or office user this is not a major issue, since a 25nm MLC-based drive will still last for many years and likely outlive the rest of the computer.

Table of Contents
Top 10 SATA (Consumer) SSDs
Top 10 Enterprise SSDs
Top 10 PCI-Express SSDs

Consumer/Client Drives (2.5-inch SATA)

Samsung 840 Pro1. Samsung 850 Pro

Available Capacities: 128GB – 1TB
Interface: SATA III 6Gbps
550MB/s read (256GB)
520MB/s write (256GB)

Samsung’s biggest strength in the SSD segment so far has been reliability–many have opted for Samsung drives mainly on account of their hassle-free operation. Unlike many other known brands that rely on third-party components, including NAND modules as well as the even more important controller, Samsung uses its own hardware throughout. The 850 Pro series uses its own MEX controller in combination with state-of-the-art 3D NAND (V-NAND), which increases density without compromising on performance. Indeed, the 850 Pro series is consistently ahead of the competition in most areas, so you will have to move away from the SATA interface to see better performance.

Check prices: Amazon, Newegg, Amazon UK


sandisk extreme pro2. SanDisk Extreme Pro

Available Capacities: 240GB – 960GB
Interface: SATA 3 6Gbps
550MB/s read
520MB/s write

SanDisk’s Extreme Pro is a direct successor to the Extreme II (see below). Just like its predecessor the drive lives up to the expectations implied in the model name. It is slightly ahead of the Extreme II in most areas with sequential read speeds of 550 MB/s and write speeds of 520 MB/s (4K random read/write 100K/90K IOPS), although you will hardly notice the difference in everyday tasks.

More importantly though, SanDisk is confident enough to offer a 10-year warranty with the Extreme Pro – a unique offer in the consumer segment. The 19nm MLC NAND is allegedly good for writing 22 GB of data per day for 10 years. Consequently, when this drive finally wears out in the average system built today, the SATA interface will be long since obsolete.

Check prices: Amazon, Newegg, Amazon UK


vertex 1503. OCZ Vector 150

Available Capacities: 120GB – 480GB
Interface: SATA 3 6GBps
550MB/s read
530MB/s write

A bankruptcy was apparently needed for OCZ to get back on track. Today the company is owned by Toshiba; the OCZ brand lives on, as does its proprietary Indilinx Barefoot controller, but the NAND circuitry is of course provided by Toshiba. The 19nm Toggle-mode NAND modules performs very well in combination with the Indilinx Barefoot 3 controller in the Vector 150. In addition to excellent sequential transfer rates, random IO throughput is consistently high (up to 100K/90K IOPS read/write). Another positive aspect is the 5-year warranty that allows you to shuffle 50 GB of data per day.

Check prices: Amazon, Newegg, Amazon UK


sandisk-extreme-ii4. SanDisk Extreme II

Available Capacities: 120GB – 480GB
Interface: SATA 3 6Gbps
550MB/s read
510MB/s write

The Extreme II from Flash storage-giant SanDisk delivers excellent performance at a reasonable price point. Its sequential read speeds of 550 MB/s and write speeds of 510 MB/s are complemented by very good random read/write figures as well (95K/78K IOPS). SanDisk uses a controller from Marvell in this particlar line of SSDs – a chip with the fanciful designation 88SS9187 (also known as Monet) – with SanDisk’s own firmware and 19nm eX2 ABL MLC NAND (also from SanDisk), which makes for a particularly long-lasting combination according to several reports.

Check prices: Amazon, Newegg, Amazon UK


samsung 850 evo5. Samsung 850 EVO

Available Capacities: 120GB – 1TB
Interface: SATA 3 6Gbps
550 MB/s read
520 MB/s write

In spite of its low-end characteristics, i.e. Samsung’s use of TLC (Triple-Level-Cell) NAND, the 850 EVO performs extremely well. Not only is the sequential bandwidth excellent – the EVO also manages random read/write speeds of up to 100K/90K IOPS, according to the drive specs. While durabilty might be a concern with TLC-based drives, Samsung offers a 5-year warranty on the new EVO lineup, which is more than what you get with many high-end MLC SSDs.

Check prices: Amazon, Newegg, Amazon UK


vertex 4606. OCZ Vertex 460

Available Capacities: 120GB – 480GB
Interface: SATA 3 6GBps
540MB/s read
525MB/s write

The Vertex 460 is to the Vector 150 what the Samsung 850 EVO is to the Pro – a more budget-friendly alternative. It is similar in many ways and almost as fast as OCZ’s current flagship. While it uses the same 19nm Toshiba NAND in combination with a somewhat lower clocked Indilinx Barefoot 3 controller, the difference in pricing is reflected in the drive’s endurance rating and warranty. OCZ offers a 3-year warranty at 20GB/day, which is likely more than sufficient for most users, but significantly less than what you get with the Vector 150 (50GB/day or 5 years).

Check prices: Amazon, Newegg, Amazon UK


Adata sp9207. ADATA Premier Pro SP 920

Available Capacities: 128GB – 1TB
Interface: SATA 3 6Gbps
560 MB/s read (512 GB/1 TB)
500 MB/s write (512 GB/1 TB)

Adata also uses a Marvell controller in its SP 920 lineup, with the designation 88SS9189. This is combined with synchronous 20m MLC NAND from Micron, which results in excellent performance in the higher-capacity variants of the SP 920. The drive is available in capacities ranging from 128 GB all the way up to 1 TB, with the 512 GB and 1 TB models offering the best performance (and most likely durability).

It is important to note that there’s a large reduction in sequential write performance in the lower-capacity variants: Sequential writes drop to 360 MB/s in the 256 GB model and a mere 180 MB/s in the 128 GB model. 4K read/write IOPS also take a hit, particularly in the 128 GB version of the SP 920. Consequently, we award the spot in the ranking to the 512GB/1TB models only.

Check prices: Amazon, Newegg, Amazon UK


Neutron GTX8. Corsair Neutron (GTX)

Available Capacities: 120GB – 480GB
Interface: SATA 3 6GBps
555MB/s read
333-510MB/s write

The Corsair Neutron GTX in many ways came as a surprise; not because Corsair produced another high-end SSD, but because of the unfamiliar controller from Link_A_Media Devices (LAMD)–a U.S.-based SoC manufacturer that was recently acquired by Hynix. The Neutron GTX’s sequential read speeds approach the limits of the SATA III interface at 555 MB/s. Sequential write speeds are 511 MB/s in the 240 GB and 480 GB capacities and 330 MB/s in the 120 GB unit. What is also impressive is that random read/write performance is equally high. In all, the Neutron GTX is a surprising but welcome addition to the high-end SSD market and shows that LAMD is a force to be reckoned with going forward.

Check prices: Amazon, Newegg, Amazon UK

crucial m5509. Crucial M550

Available Capacities: 128GB – 1TB
Interface: SATA 3 6GBps
550MB/s read (512GB/1TB)
500MB/s write (512GB/1TB)

Crucial’s successor to the popular M500 – the aptly named M550 – caters to a wide audience with capacities ranging from a humble 128 GB all the way up to 1 TB. However, it’s worth noting that the biggest drives offer the best performance, particularly in the sequential write area where the smallest 128 GB part offers “only” 350 MB/s sequential write performance and slightly worse IO throughput as well.

Nevertheless, the higher-capacity models can easily compete with some of the fastest SSDs on the market. The M550 is quite similar to its predecessor in that it uses 20nm NAND from Micron in combination with a Marvell controller, but the latter has been updated and improved.

Check prices: Amazon, Newegg, Amazon UK


intel 73010. Intel 730

Available Capacities: 240GB – 480GB
Interface: SATA 3 6GBps
550MB/s read
470MB/s write (480GB)

Intel was the number one choice in the SSD space for several years, with its semi-proprietery SandForce controllers and an endurance that few competitors could match (with a few exceptions). While the latter is still likely true (Intel offers a 5-year warranty on the 730 series) the latest drives from “Chipzilla” have not quite measured up to the competition in the high end. The 730 is nevertheless a very fast drive, particularly the 480 GB model. While the sequential read speeds are an impressive 550 MB/s in both capacities, sequential writes are significantly slower in the 240 GB model (270 MB/s).

Check prices: Amazon, Newegg, Amazon UK


Enterprise Drives (2.5-inch SLC) Note: Update Pending

zeus iops



Interface: SAS
Available Capacities: up to 600GB
Price: Contact STEC
500MB/s read
275MB/s write
Random 4K Write: 70K IOPS

STEC recently launched the successor to its ZeusIOPS–the ZeusIOPS XE–which is allegedly three times as durable as previous generations thanks to its so-called enterprise MLC NAND (eMLC). It connects over SAS and reaches up to 115,000 IOPS when reading and 70,000 IOPS when writing.

Deneva 22. OCZ Deneva 2 SLC

Interface: SATA III 6Gbps
Available Capacities: 50GB – 200GB
Price: N/A
550MB/s read
530MB/s write
Random 4K Write: 80K IOPS

OCZ’s Deneva 2 is equipped with MLC, eMLC (enterprise MLC), as well as high-quality SLC NAND. Although it’s an enterprise drive it is not a SAS drive but uses the 6 Gbps SATA III interface (if you need SAS, you may want to have a look at OCZ’s Talos series). Performance is excellent regardless of capacity: 500 MB/s read bandwidth, 530 MB/s write and 80 000 IOPS for 4K random write operations.

3. Pliant LB 150S

Interface: SAS
Available Capacities: 150GB
Price: $3,800.00
420MB/s read
220MB/s write
Random 4K Write: 35K IOPS

Pliant might not be as well known as other drive makers or even as established (they were founded in 2006), but it certainly is out to change that with the LB 150S. Part of their Lightning Series, this drive features two full duplex SAS ports, unlimited read and write endurance and end-to-end data protection with T10 DIF support. We’ve found that of the 2.5-inch SAS drives available, the LB150S is the fastest around.


Seagate Pulsar4. Seagate Pulsar XT.2

Interface: SAS
Available Capacities: 100GB – 400GB
Price: Contact Seagate
360MB/s read
300MB/s write
Random 4K Write: 22K IOPS

The Pulsar XT.2 is the fastest drive from Seagate. It’s currently shipping to OEMs and is expected to be more widely available during Q2 2011. Among its top features are a 25 petabyte written lifetime, self-encrypting drive option and having the fastest write speed for a 2.5-inch SAS drive.

realssd p3005. Micron RealSSD P300

Interface: SATA 3
Available Capacities: 50GB – 200GB
Price: Contact Micron
360MB/s read
275MB/s write
Random 4K Write: 45.2K IOPS

The P300 is Micron’s entry to the enterprise SLC market. In terms of durability, it was tested and found able to handle 3.5 petabytes of data writes in its lifetime, or about 2TB every day for five years. It’s also low-power at only 2.1W consumption, making it a good choice for server locations that want to be more green.

runcore glory6. Runcore Glory IV

Interface: SATA 2 Available Capacities: 32GB – 128GB
Price: Contact Runcore
262MB/s read
201MB/s write
Random 4K Write: 2560 IOPS

With a cache of 64MB, this drive minimizes wait times and reduces wear. It also claims 80 year write endurance and 1M hours MTBF.

RunCore Kylin-II7. RunCore Kylin II

Interface: SAS Available Capacities: 50GB, 100GB
Price: Contact Runcore
260MB/s read
260MB/s write
Random 4K Write: 30K IOPS

What stands out immediately about this drive is it’s gold casing. Aside from that, another noticeable quality about the Kylin II is it supports 128-bit AES encryption with an optional disk password, as well as ECC.

X25-E Extreme8. Intel X25-E Extreme

Interface: SATA
Available Capacities: 32GB, 64GB
Price: $371.90, $543.90 respectively
250MB/s read
170MB/s write
Random 4K Write: 3300 IOPS

Built upon the success of the X25-M, the X-25-E now utilizes SLC NAND for better performance. While not exceptional in terms of specs, it does provide an affordable entry for IT pros on a budget.


wd silicondrive n1x9. WD SiliconDrive N1x

Interface: SATA
Available Capacities: 32GB – 128GB
Price: $351.29 to $3,404.20
240MB/s read
140MB/s write
Random 4K Write: 3500 IOPS

WD markets this drive as for “write-intensive embedded systems requiring superior performance and reliability.” To attest to this, the SiliconDrive N1X can have a maximum of 701.4GB of data written to it everyday and all drives are backed with a 5-year warranty. Other features include advanced error correction, wear-leveling and data integrity protection.


mach 1610. STEC MACH16

Interface: SATA
Available Capacities: up to 400GB
Price: Contact STEC
225MB/s read (IOPS version)
200MB/s write (IOPS version)
Random 4K Write: 15K IOPS (IOPS version)

The MACH16 promises speed and protection in one package. It includes power down protection, best-in-class error correction and wear leveling. These class of devices are often used in military settings which should attest to the quality of these drives.

Top 10 PCI Express SSDs (Bootable)

p320h1. Micron RealSSD P320h

Interface: PCIe Gen2 x8
Available Capacities: 350GB/700GB
Up to 3200MB/s read
Up to 1900MB/s write
Random 4K Write: Up to 205,000 IOPS (700GB)

Micron’s RealSSD P320h comes with high-end, enterprise-class SLC NAND and although the P320h is specified as bootable, it is clearly aimed at enterprise and data center users. Nevertheless, the drive’s performance speaks for itself by exceeding many of its competitors in several key areas.  Also, thanks to the SLC chips, the drive’s endurance rating is very impressive: 50PB for the 700GB model (compared to 4.6PB for Micron’s MLC-based P420m) and 25PB for the 350GB model.

Check prices: Amazon, Amazon UK


p320h1. Micron RealSSD P420m

Interface: PCIe Gen2 x8
Available Capacities: 700GB/1400GB
Up to 3300MB/s read
Up to 630MB/s write
Random 4K Write: Up to: 95,000 IOPS (700GB)


Check prices: Amazon, Amazon UK


ocz-45002. OCZ Z-Drive 4500

Interface: PCIe Gen2 x8
Available Capacities: 800GB/1600GB/3200GB
Up to 2900MB/s read
Up to 2200MB/s write
Random 4K Write: Up to 76,000 IOPS

The Z-Drive 4500 replaces the similarly fast Z-Drive R4 but comes in a more robust design with less exposed circuitry. It is primarily aimed at enterprise users, but uses consumer-grade MLC flash instead of SLC to keep the prices (comparatively) low. The endurance ratings for the available capacities are 0.68PB (800GB), 1.3PB (1600GB) and 2.5PB (3200GB), but the drives also include power loss protection and data recovery features.

Check prices: Amazon, Amazon UK


FusionIO ioDrive Duo

3. FusionIO ioDrive2 Duo

Interface: PCI-Express x4/x8 or PCI Express 2.0 x4
Available Capacities: 1.2TB – 2.4TB
Price: Contact FusionIO
3000MB/s read (1.2TB)
2600MB/s write 1.2TB)
512B Write: 937K IOPS (1.2TB)

The ioDrive2 Duo replaces the older ioDrive Duo and offers incredible performance for enterprise users. It is available in two different capacities–1.2TB (SLC) and 2.4GB (MLC)–and the SLC version is the fastest with 2,600MB/s write bandwidth and 3,000MB/s read bandwidth. Write IOPS (512B) is above 900K for both capacities.

4. OCZ RevoDrive 3 X2

Interface: PCI Express 2.0 x 4
Available Capacities: 240GB – 960GB
Price: From $599.99 to $3,099.99
1500MB/s read
1300MB/s write (960GB model)

This PCI drive boasts OCZ’s proprietary Virtualized Controller Architecture 2.0 (VCA) technology and OCZ’s SuperScale storage accelerator. It exceeds its predecessor’s performance record and has an amazing 230,000 IOPS maximum random write (4KB aligned).


5. Foremay PC166 W-Series

Interface: PCI Express Single and Dual Bus
Available Capacities: 100GB – 4000GB
Price: Contact Foremay
1500MB/s read (Dual Bus)
1100MB/s write (Dual Bus)

The PC166 was specifically designed with TRIM in mind and complies with the Windows 7 SSD TRIM command, imporving write speed significantly and reducing writing degredation.

Z-Drive P886. OCZ Z-Drive R2 P88

Interface: PCI-Express interface (x8), 8 x SATA Controllers
Available Capacities: 512GB, 1TB, 2TB
Price: $2,249.00, $3,750.00 and $8,199.00 respectively
1400MB/s read
1400MB/s write
Random 4K Write: 30K IOPS

One of the main upsides of the Z-Drive is its ability to be used as a bootable device, making it a compelling choice for SANs, servers and workstations. Some of its other features are a 512MB cache, SAS compatibility and 3-year warranty.


Z-Drive P887. OCZ Z-Drive R2 E88

Interface: PCI-Express x8, 8 x SATA Controllers
Available Capacities: 512GB
Price: $9,149.00
1400MB/s read
1400MB/s write
Random 4K Write: 7200 IOPS

The main difference between this an the P88 is the usage of SLC NAND instead of MLC, dramatically increasing reliability and reducing wear. One of the main upsides of the Z-Drive is its ability to be used as a bootable device, making it a compelling choice for SANs, servers and workstations. It also consumes less power compared to hard drive arrays.

8. Photofast GM-PowerDrive

Interface: PCI-Express 2.0 x8
Available Capacities: 256GB, 512GB, 1TB
Price: Contact Photofast
1400MB/s read
1500MB/s write

This drive from Photofast is one of the few that has its maximum sequential write speed (1500MB/s) actually exceed its maximum read (1400MB/s). It is also one of the few housed in a sleek red housing. This is an Asian only device though but if you are in Japan or nearby, you might be able to get a hold of this.

9. OCZ VeloDrive 3

Interface: PCI-Express x8, 4 x SATA controllers
Available Capacities: 160GB – 320GB
Price: Contact OCZ
1100MB/s read
1010MB/s write
Random 4K Write: 75000 IOPS

This drive has an onboard RAID controller so you can execute both hardware RAID and software RAID, though for the software you will need to find your own as OCZ doesn’t provide this. For hardware raid, it can reach up to 1100MB/s read and 1010MB/s write with a random 4K aligned write of 75,000 IOPS. Maximum performance for software RAID is 1,100MB/s read, 1030MB/s write and 125,000 IOPS random 4k aligned write.


Z-Drive P8410. OCZ Z-Drive R3 P84

Interface: PCI-Express 2.0, X8 slot, half height, half length, 4 x SATA Controllers
Available Capacities: 300GB, 600GB, 1.2TB
Price: Contact OCZ
1000MB/s read
970MB/s write
Random 4K Write: 135K IOPS

The smaller footprint of the R3 should entice those who want faster storage for their compact servers. It also has a redesigned heatsink and a Super-Cap that will let it complete write operations in the even of a power failure.

We’ve tried our best to compile the most comprehensive list of SSD drive available and used this to create the lists you see above. Since there seems to be a new set of drive launched each month, we shall update our list and ratings regularly. Also, if you think we’ve omitted something or need correction, don’t hesitate to leave a comment or contact us.

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66 Responses to “SSD Ranking: The Fastest Solid State Drives”

vt Said:

A bit of offtopic:

That is what I was talking about here quite long ago using MLC in “SLC” mode. As you can see, those “new” technologies are quite predictable.

Comment made on March 29th, 2013 at 9:35 am
David Ashford Said:

It’s all very well posting these’s speeds for SATA 3 users. But what about all us SATA 2 users. We need to know the speed/s we will get on SATA 2 using SATA 3 drives as well. Also raid speeds would help to.

So lets see some tests here.

I have 2 Crucial C300s 128GB in raid. On SATA 2

Read is around R 530 MB/s and W 260 MB/s.

As a single drive set up, R 267 MB/s and W 140 MB/s

Comment made on April 1st, 2013 at 11:38 am
vt Said:

Another failure, this time at processor market – it looks like Haswell is going to be slower than its predecessor in memory-intensive applications. Not to mention that its caches may be actually slower as well in such applications. Probably defect Xeons (socket 2011) are the only good alternative for upgrading

Comment made on May 12th, 2013 at 1:54 pm
vt Said:

Another bit of offtopic – according to some estimates, currently it is technologically possible to manufacture the majority of LCD panels up to 30 inch size with resolutions of over 200 dpi (however the placement of the pixels may differ a bit from usual) – that could be the case if there were no marketing “R&D” crap going on. At the same time, it is technologically possible to manufacture them at over 400 dpi with the transition to large screens composed of many smaller blocks.

Comment made on June 1st, 2013 at 4:21 pm
Thorsten Said:

I am genuinely thankful to the owner of this website who has shared this enormous article at at this time.

Comment made on July 30th, 2013 at 12:03 am
concerto49 Said:

Would be great of this list can be updated. Lots of new ssds have come out.

Comment made on August 27th, 2013 at 5:53 pm
Yeah Right Said:

Drive measurements need to be done more accurately!

All SSD results today are largely exaggerated, because the measurements are done using assisted, rather than directly oriented test techniques.

Show us the *real* numbers, kids.

Here are some real Sandisk numbers.

Sequential Read : 360.335 MB/s
Sequential Write : 169.426 MB/s
Random Read 512KB : 341.851 MB/s
Random Write 512KB : 166.551 MB/s
Random Read 4KB (QD=1) : 24.467 MB/s [ 5973.3 IOPS]
Random Write 4KB (QD=1) : 35.268 MB/s [ 8610.5 IOPS]
Random Read 4KB (QD=32) : 204.754 MB/s [ 49988.7 IOPS]
Random Write 4KB (QD=32) : 124.776 MB/s [ 30463.0 IOPS]

Much less than they claim.

Comment made on October 9th, 2013 at 2:35 am
Nick Said:

What about the samsung 840 evo? And is this not being updated Anymore?

Comment made on March 19th, 2014 at 7:58 pm
David Said:

Hi Nick!

Our writers are back from their hibernation period :-) We will post updates in the days to come.

Comment made on March 31st, 2014 at 2:22 am
sim2er Said:

Can you list a date when this was last updated? I love the simplicity and comprehensiveness of this list, but shouldn’t newer drives (such as revodrive 350) be on this list?

Comment made on July 14th, 2014 at 12:16 am
Ricardo Dataseek Said:

Very useful post. Wanted to know more about ssd drives and brands. Thanls

Comment made on September 12th, 2014 at 8:19 am
Keyleb Said:

Hi there, just asking the FusionIO ioDrive Octal, the PCLe, can you use more than one drive, am building a nice gaming rig and what about it’s price? Do they allow exports because am in Africa, Kenya.

Comment made on February 8th, 2015 at 8:00 am
Keyleb Said:

Does the hexabus Foremay EC188 D-Series need more than one PCLe port?

Comment made on February 8th, 2015 at 9:19 am
Keyleb Said:

Just asking? Can you install Windows 8.x on those pcle drives, they are said to be servers and am not sure I can play bio shock infinite on them ( I hope I can) and I think I will go for the ioDrive octal 10tb version. It has better specs. Can the Asus x99 deluxe motherboard support 4 of those drives? for the fun of I have been living with HHDs till last year, I didn’t know such powerful drives existed. Your page has been very eye opening for me, thank you.

Comment made on February 8th, 2015 at 12:37 pm
Kurumsal Altyapılarda Solid State Drive Kullanımı | 4S Blog Said:

[…] şimdiki neslin performansı da şu kadar arttı diye sürdürmeyeceğim; Fastest SSD diye bir siteden hangi marka ne kadar hızlı, ne kapasiteye ulaştı konusunu takip edebilirsiniz. […]

Comment made on April 7th, 2015 at 3:48 am
wil70 Said:

The intel 750 ssd NVMe sound pretty good too, what do you think?

I’m wondering if 2 intel 750 in raid 0 will work?

The samsung sm951 also doesn’t look too bad

Comment made on May 9th, 2015 at 11:28 am

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