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Plextor M6e PCI Express SSD Review
Posted by: on: 04/14/2014 04:19 PM [
8 comment(s) ]
Plextor released an M.2 Express based PCI Express SSD, and we review it. Designed and based on PCI Express 2.0 x4 slot, the newcomers are 128 GB, 256 GB and 512 GB SSDs powered by a Marvell controller. They developed a PCI-Express based SSD that can reach performance up-to say 770 Mb/sec. Incredible numbers really, but is that performance across the board, or just here and there in certain conditions we figured ?
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schmidtbag
Senior Member
Posts: 5414
Senior Member
Posts: 5414
Posted on: 04/14/2014 10:38 PM
It's an interesting comment you make regarding RAID, why do you believe it is not preferable?
The performance V cost of storage are very good. 2x128GB SSD in RAID-0 works well and gives you v-high speeds.
Long term storage, perhaps this has more merit? But then, long term storage is better suited to a platter anyhow.
Not trying to start a brawl, just a comment which jumped out the page at me.
If I had to guess, it's because you'd lose performance on small files. RAID+SSDs only makes sense if you're streaming an immense amount of data. Keep in mind the "I" in RAID means "inexpensive", and drives like this can hardly be categorized as such. RAID works best with mechanical HDDs. Generally speaking, if you need faster read/write speeds, a RAM drive is better. A few years ago, I tested a 1GB RAM disk in linux and got over 2GB/s write speed. This was on a Celeron with single-channel DDR2 memory. Considering DDR4 will have 128GB modules and 10Gb/s ethernet is starting to emerge, I think it'll be in people's best interests to create a dedicated RAM disk computer and run PXE boots.
It's an interesting comment you make regarding RAID, why do you believe it is not preferable?
The performance V cost of storage are very good. 2x128GB SSD in RAID-0 works well and gives you v-high speeds.
Long term storage, perhaps this has more merit? But then, long term storage is better suited to a platter anyhow.
Not trying to start a brawl, just a comment which jumped out the page at me.
If I had to guess, it's because you'd lose performance on small files. RAID+SSDs only makes sense if you're streaming an immense amount of data. Keep in mind the "I" in RAID means "inexpensive", and drives like this can hardly be categorized as such. RAID works best with mechanical HDDs. Generally speaking, if you need faster read/write speeds, a RAM drive is better. A few years ago, I tested a 1GB RAM disk in linux and got over 2GB/s write speed. This was on a Celeron with single-channel DDR2 memory. Considering DDR4 will have 128GB modules and 10Gb/s ethernet is starting to emerge, I think it'll be in people's best interests to create a dedicated RAM disk computer and run PXE boots.
BLEH!
Senior Member
Posts: 5992
Senior Member
Posts: 5992
Posted on: 04/14/2014 11:56 PM
The "I" can also stand for "independent"
If I had to guess, it's because you'd lose performance on small files. RAID+SSDs only makes sense if you're streaming an immense amount of data. Keep in mind the "I" in RAID means "inexpensive", and drives like this can hardly be categorized as such. RAID works best with mechanical HDDs. Generally speaking, if you need faster read/write speeds, a RAM drive is better. A few years ago, I tested a 1GB RAM disk in linux and got over 2GB/s write speed. This was on a Celeron with single-channel DDR2 memory. Considering DDR4 will have 128GB modules and 10Gb/s ethernet is starting to emerge, I think it'll be in people's best interests to create a dedicated RAM disk computer and run PXE boots.
The "I" can also stand for "independent"
Koniakki
Senior Member
Posts: 2843
Senior Member
Posts: 2843
Posted on: 04/15/2014 12:07 AM
Well, that was..... Fast!
Good review boss!
Well, that was..... Fast!
Good review boss!
---TK---
Senior Member
Posts: 22111
Senior Member
Posts: 22111
Posted on: 04/15/2014 12:28 AM
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The Plextor M6e performance close to advertised, it can reach near 770 MB/sec reads and 58 MB/sec writes.
last page
The Plextor M6e performance close to advertised, it can reach near 770 MB/sec reads and 58 MB/sec writes.
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Senior Member
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It's an interesting comment you make regarding RAID, why do you believe it is not preferable?
The performance V cost of storage are very good. 2x128GB SSD in RAID-0 works well and gives you v-high speeds.
Long term storage, perhaps this has more merit? But then, long term storage is better suited to a platter anyhow.
Not trying to start a brawl, just a comment which jumped out the page at me.