Random Read Performance

Our first test of random read performance uses very short bursts of operations issued one at a time with no queuing. The drives are given enough idle time between bursts to yield an overall duty cycle of 20%, so thermal throttling is impossible. Each burst consists of a total of 32MB of 4kB random reads, from a 16GB span of the disk. The total data read is 1GB.

The Patriot Hellfire, in blue, is highlighted as an example of a last-generation Phison E7 drive. Although we didn't test it at the time, the MP500 was based on the same controller and memory.

Burst 4kB Random Read (Queue Depth 1)

The Corsair Force MP510 can't match the burst random read performance of a Silicon Motion controller paired with IMFT 64L 3D TLC, but the MP510 has the fastest random reads of any drive using Toshiba/SanDisk BiCS TLC and it also beats the Samsung 970 EVO.

Our sustained random read performance is similar to the random read test from our 2015 test suite: queue depths from 1 to 32 are tested, and the average performance and power efficiency across QD1, QD2 and QD4 are reported as the primary scores. Each queue depth is tested for one minute or 32GB of data transferred, whichever is shorter. After each queue depth is tested, the drive is given up to one minute to cool off so that the higher queue depths are unlikely to be affected by accumulated heat build-up. The individual read operations are again 4kB, and cover a 64GB span of the drive.

Sustained 4kB Random Read

On the longer random read test that adds some higher queue depths, the MP510's performance standing falls somewhat as the Samsung 970 EVO and a few other drives with BiCS TLC overtake it, while Silicon Motion drives retain a commanding lead.

Sustained 4kB Random Read (Power Efficiency)
Power Efficiency in MB/s/W Average Power in W

The power efficiency of the MP510 during random reads is reasonable but is about 15% worse than what WD and Toshiba can do using their own controllers with this NAND.

The MP510 may not provide the best random read performance at low queue depths, but its performance does scale up nicely when the queue depth continues to grow. By QD32 it is delivering over 800MB/s with a little more than 3W and showing no sign of approaching a performance ceiling; Phison's plans for enterprise drives based on this controller seem to have merit.

Random Write Performance

Our test of random write burst performance is structured similarly to the random read burst test, but each burst is only 4MB and the total test length is 128MB. The 4kB random write operations are distributed over a 16GB span of the drive, and the operations are issued one at a time with no queuing.

Burst 4kB Random Write (Queue Depth 1)

The Corsair Force MP510 is essentially tied for first place for burst random write performance: its SLC write cache has a very low latency.

As with the sustained random read test, our sustained 4kB random write test runs for up to one minute or 32GB per queue depth, covering a 64GB span of the drive and giving the drive up to 1 minute of idle time between queue depths to allow for write caches to be flushed and for the drive to cool down.

Sustained 4kB Random Write

On the longer random write test, the Corsair MP510 loses the lead but stays in the top tier of high-performing drives.

Sustained 4kB Random Write (Power Efficiency)
Power Efficiency in MB/s/W Average Power in W

The power efficiency of the Corsair Force MP510 during random writes is a bit better than average for NVMe drives, but significantly worse than what Toshiba and WD can do by pairing the same NAND with their own controllers. The WD Black manages this substantial efficiency advantage wil also slightly outperforming the MP510.

Like many of its closest competitors, the Corsair Force MP510's random write speed is saturated by QD4, but it plateaus well below the limit of the WD Black, which doesn't require any more power than the MP510.

AnandTech Storage Bench - Light Sequential Performance
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  • hugo.sousa - Wednesday, October 24, 2018 - link

    Hi Bill,
    Where did you bought those refurbished drives?
  • goatfajitas - Thursday, October 18, 2018 - link

    Yup, its easy enough to do it now on the cheap. A 1tb PCIe SSD for $235 (and a great performing one at that) for your data you access often and larger slower HDD's for less used data/backups etc.
  • wumpus - Thursday, October 18, 2018 - link

    HDDs are running $20/TB (Hitachi 3TB comes up cheapest on pcpartpicker), and even larger drives can be had cheap if you are willing to buy external drives on sale and "shuck" them.

    The real catch is that 90% of the people use about 100GB or so data, so sales of HDDs are pretty flat. So they stopped getting cheaper around 2011 and pretty much sat around waiting to be replaced by SDDs.

    Prices are finally lower than 2011, but I really have to wonder if Moore's law has enough juice to get SDDs down to the level they need to kill off HDDs (in case you are wondering, tape is still alive and kicking. And makes all sorts of sense for storing data >100TB. I wonder if HDDs will go the same way "just for datahoarders".)
  • stargazera5 - Thursday, October 18, 2018 - link

    @wumpus: "(in case you are wondering, tape is still alive and kicking. And makes all sorts of sense for storing data >100TB"

    Maybe tape looks good for >100TB, but there are a lot of us home power users who have 10-100 TB that could use a good WORM solution for backup. The cost of tape drives are quite high and drove TCO far too high to make good sense compared to buying additional HDDs a couple times a year, which isn't that cheap either and has far too low a frequency.

    I also looked into online backup (e.g. Blackblaze, Carbonite, etc.) until I realized it would take 6 months to send them my base-line backup via my internet pipe (10 Mbps up)

    No real good solutions here, but probably a pretty good market.
  • vanilla_gorilla - Thursday, October 18, 2018 - link

    Some of those services offer disk based import/export options: https://aws.amazon.com/snowball/disk/details/
  • Lolimaster - Thursday, October 18, 2018 - link

    Crucial MX500 go to as low as 0.165 per GB.
  • leexgx - Thursday, October 18, 2018 - link

    ""All capacities have a rated write endurance of around 0.9-1.0 drive writes per day and a five year warranty period, which are standard for high-end consumer SSDs""

    i thought 1.0 DWP was only for enterprise levels (most ssds have DWP of around 0.3)
  • Diji1 - Friday, October 19, 2018 - link

    >You know, its getting to price points soon that home servers would easily use SSD drives vs mechanical.

    Er ... is it?
  • Diji1 - Friday, October 19, 2018 - link

    Although there is no excuse for using spinning disks for the OS disk IMO.
  • PaoDeTech - Thursday, October 18, 2018 - link

    Please review Crucial P1 1TB 3D NAND NVMe PCIe M.2 SSD. I'm willing to pay $20 premium over SATA but not more. If the P1 1TB goes on black Friday sale for $179.99 I'll pull the trigger (MX500 1TB SATA is currently $159.99).
    Does anybody know what's the BOM cost difference between SATA and PCIe?

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