Newegg has the OCZ Vertex 2 Extended 60GB 2.5" SATA2 Solid State Disk (SSD) - OCZSSD2-2VTXE60G for $110 - $15 rebate [Exp 2/24] = $95 with free shipping. Reads up to 285 MB/sec, writes up to 275 MB/sec.
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Anybody have information on the 25nm vs 34 NAND flash memory? Several reviews state that this drive is now slower.
But Ben said: "Reads up to 285 MB/sec, writes up to 275 MB/sec".
I trust him...
I have the Vertex I 60GB and Vertex II 120GB, tested with ATTO benchmark, and the Vertex II is about 20% faster..
No, it's another story, #3.
I have one. It's one of the 25nm drives, and only writes 37 MB\s. I bought it from newegg a couple of weeks ago. Down with OCZ!
Thanks! I appreciate it. Will hold off buying an ssd for now.
More importantly to some, at 25nm the price/capacity should have dropped more than it did. On lower capacity drives it is expected that use of fewer flash chips = less parallelized acesss, lower performance, as well as lower component cost.
I'm starting to wonder if we will eventually see price fixing suits about SSDs, as with DRAM these are becoming a commodity that can't bear the markup seen in the past. Maybe we'll have to wait a few more quarters until either jMicron bumps up their performance a bit more or a 3rd party comes in and takes the low-end *throne* away from them... making SSDs is not hard, with controller manufacturers providing firmware it is little more difficult than making a $10 sound card except of course the inherent expense of the components which should drive the market to a certain minimal profit model like you see with floppy, HDD, DVDRW, sound cards, etc.
#3: Of course the larger drive is faster, that's the nature of SSD's. If you have the same flash and controller and increase the size, the speed will increase (assuming firmware versions are the same).
Any Vertex 1 SSD larger than 60GB will perform faster than a 60GB Vertex 1.
So, if you had tested a Vertex 2 60GB against your Vertex 2 120GB, your 120GB would have still been faster... because it's larger.
Any Vertex 1 SSD larger than 60GB will perform faster than a 60GB Vertex 1.
So, if you had tested a Vertex 2 60GB against your Vertex 2 120GB, your 120GB would have still been faster... because it's larger.
That's only accurate when comparing the same model of drive with the same memory density in it and the latter factor appears to have changed if what was mentioned is true.
For example, you could have a 120GB SSD with 16, 8GB flash chips in it, or if the memory density went up with a smaller process size, you could compare to a 160GB SSD with only 11 or 12, 16GB flash chips in it. All else being equal, the larger drive will be slower because the way they get improved performance is parallelizing access to the chips, the more of them you have the more the I/O is split between them, smaller fraction of total data read or written with each chip.
If there is no memory density difference then it is as you suggested, a lower capacity SSD would have fewer chips in it.
Here is the issue as it pertains to Vertex 2 & 25nm,
http://www.storagereview.com/ocz_verte225nm_review_oczssd22vtxe60g