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Plextor M6e PCIe M.2 SSD Review – RAID Tested at 1.4GB/s

AS SSD BENCHMARK VER 1.6

Up until recently, AS SSD was the only benchmark created specifically for SSD testing and it uses incompressible data.  AS SSD, for the most part, gives us the ‘worst case scenario’ in SSD transfer speeds because of its use of incompressible data and many enthusiasts like to AS SSD for their needs.

ASSD Throughput Chart

Plextor M6e PCIe M.2 512GB SSD AS SSDRAID Plextor M6e PXIe 512GB SSD AS SSD BenchWe observed something very interesting when compiling out RAID chart below.  If you take a look at the AS SSD Scores, you will notice that they are actually opposite that of what they should be.  The highest Score is attributed to the lowest result whereas, the lowest Score is shown on the highest, belonging to the Samsung XP941.

ASSD Throughput RAID Chart

IOPS

ASSD IOPS Chart

Plextor M6e PXIe 512GB SSD AS SSD IOPSRAID Plextor M6e PXIe 512GB SSD AS SSD IOPSPerhaps a very important take away once again might be that things don’t always turn out as expected.  Whereas, one might thing that the Samsung’s PCIe X4 IOPS might prevail in RAID, the Intel SSD 730 RAID Team is easily the strongest in RAID testing IOPS.

ASSD RAID IOPS Chart

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iCrunch
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iCrunch

Great review, thanks! I have a quick question: How would you quantify the “real world” performance gain of a PCIe x4 SSD over a PCIe x2?

Les@TheSSDReview
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Transfer speeds. PCIe X4 will be the stuff used to edit and compile high end 4K video whereas X2 will do just about everything else. For now, the only step up is X2.

dzezik
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dzezik

why are You so excited with useless RAID0 setup. it only increase stream read/write.Are You only copying big files from one disk to another. that is Your main task for computers? RAID0 also increase failure probability. Try RAID1 ti is more secure and gives boost for random IO reads (depends on RAID controller), random IO read is weakest area for SSD. RAID1 also makes Your data more secure. Please remember RAID0 is not RAID is antithesis of RAID. It is not redundant (R). Who uses RAID0 for keeping data, this is only test setup, no one is using it at… Read more »

Bernd
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Bernd

Nice review, thanks.I ma planning to buy such a SSD but i would ike to use it externally like a bigger and better USB stick, does anybody know if such external enclosures are planned, or is it technically not practicable(the speed limit over usb 3.0 doesn’t hinder me)?

Les@TheSSDReview
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There isn’t a USB enclosure that I am aware of just yet but I might watch MyDigitalSSD as they will probably be the first. There are, however, several PCIe adater cards and we have done an article in such in our M.2/NGFF section.

jp1wc1
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jp1wc1

you could buy a m.2/ngff to sata 2.5 inch enclosure and then purchase a sata to usb adapter. like this http://www.microsatacables.com/ngff-m-2-ssd-to-sata-adapter-with-case also search on ebay and amazon.

Les@TheSSDReview
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I don’t understand why you would do that. The purpose of introducing PCIe is to get the higher performance we see outside the barriers of SATA. One needs to find either an X2 or X4 PCIe adapter, much as we have used in our reports.

Actually….when you doing the comparison to USB 3.0, I see where you are coming from.

Rod Bland
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There will be an external USB 3.0 enclosure on the market in early June designed to accept PCIe M.2 SSD’s. Stay tuned on that one.

Calvin
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Calvin

Why the CrystalDisk shows it is SATA 3. Thanks

Les@TheSSDReview
Guest

The same shows on their own test as well and it is undoubtedly the reason of this being such a new technology.

Kubo90
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Kubo90

Hi, I have a question. Why Plextool shows speed: 6Gb/s (SATA 3), when the M2 interface has a speed 10 Gb / s, even if it is in the PCI-e!

Les@TheSSDReview
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It is a matter of technology advancing to quickly to cover all the bases. They will update soone enough I am sure.