Crucial C400 SSD listed for sale w/ pricing

[johnw]

Yeah, thats the same document.

The reduced random performance might be due to the 8KB pagesize.

The AS-SSD QD=1 4KB random read is 20 MB/s for the C400, as compared to about 30MB/s for the C300. So I guess you may be right that the 8KB page size of the 25nm flash is slowing the C400 down there.

For the small number of users who reach high QD, the 4K-64 performance of the C400 is much better than the Intel 510 or the Corsair P3, which I guess shows what Micron's firmware programmers can accomplish with the Marvell controller. But the C400 loses out on sequential speed to the others, which is probably relevant to more users than 4K-64 performance.

[Lu(ky]

Not that bad compared to the OCZ & Intel drives vs price..

OCZ Vertex 3 240G at $539.99 ETA 04-01-11

C400/M4 256GB $455.00 now

Intel 510 250GB $615.00 now

[johnw]

I'd compare to iastor driver benchmarks for the Intel 510 and the Vertex 3, to be more consistent. It is interesting how many of the new SSDs are coming in at 20 MB/s for AS-SSD QD=1 4KB random read.

http://www.legitreviews.com/article/1552/6/


http://www.micronblogs.com/2011/03/c...2%80%99s-fast/


http://www.legitreviews.com/article/1563/6/


The Sandforce 2XXX controller is looking really impressive. It loses only in sequential write (to the Intel 510), and wins or ties in everything else. Assuming the pre-release Vertex 3 was not specially tuned in any way, it should be interesting to see how the Sandforce 2XXX SSDs from the other manufacturers (G.Skill, Corsair, Patriot) compare on price to the Intel 510 and the C400. I'd not buy an OCZ drive, but the Sandforce 2XXX controller looks like it is the one to beat.

[Computurd]

yea 20mb/s @4k1 can be a bit misleading though. many storage companies/testers consider 8K to be the typical OS usage pattern. so it would be very interesting to see some 8K numbers off these drives.

[Anvil]

....
It is interesting how many of the new SSDs are coming in at 20 MB/s for AS-SSD QD=1 4KB random read.
...

Indeed it is...

I'd like to see some benchmarks on other chipsets/controllers. e.g. SB850 and the 9211 HBA.

edit:

@CT
I was thinking the same thing, we might need more of the 8KB tests to differantiate the new SSDs.
From some of the tests I've seen on the new Marvell controller it does look great at some of the 8KB benchmarks, like e.g. iometer database.

[Computurd]

LSI suggest doing 8K read/write of 30%write, and 70% read as a conventional OS test pattern. for drives that are 'optimized' for 8k with 8k pages, you might yield some really good real world results with them. ya know, that 'snappiness' factor that has always been hard to quantify with benchmarks....cant wait to get ahold of a few of them and play...gonna see how long i can beat on these old vertex though...they are just so damn good

[Particle]

The SSD Review has posted a shot of CDM for the 256 GB M4.

http://thessdreview.com/Forums/crucial/512-2.htm



The guy is posting a full review tomorrow, supposedly. 98MB/s 4K random write is damn impressive.

[Anvil]

LSI suggest doing 8K read/write of 30%write, and 70% read as a conventional OS test pattern. for drives that are 'optimized' for 8k with 8k pages, you might yield some really good real world results with them. ya know, that 'snappiness' factor that has always been hard to quantify with benchmarks....cant wait to get ahold of a few of them and play...gonna see how long i can beat on these old vertex though...they are just so damn good

iometer standard tests

Database : 8KB 67%/33% read/write, 100% random.
Workstation : 8KB 80%/20% read/write, 80% random.

Database pattern is almost the perfect match.

Just waiting for some drives...
Looks like the Vertex 3's are going to take quite some time to surface?
(dates are slipping, new eta mid April)

[SlowSVT]

I just finished my system (water cooled I7 950 w/12 gigs of memory) and looking to run a pair of these is a RAID 0 config. I want to get a pair of 256 gig drives but that's a pretty big nut but man will that spool data. The worse thing is by this time next year those drives will cost 1/2 of what they are today. This is for a high-end CAD workstation. Overkill? definitely. Just waiting for them to become available. The Superbizz site lists them as available. Is that real?