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Original post by samoth
SSD is stunningly fast for reading (both in access time and bandwidth), but doesn't cope equally well with writes.
This isn't quite as true as it once was; setting aside Intel and the high end SLC drives the recent crop of OCZ MLC SSD drives, the Vertex Series, have taken care of this problem.
The issue was the jMicron controller on the older, cheaper, drives was.. well, rubbish. However, OCZ switched to a new controller and, after some firmware tweaks and a bit of back and forth with AnandTech the drives are a viable alternative to an Intel drive now and don't suffer from the small write stuttering performance problem any more.
Granted, they aren't quite as cheap, but then you get what you pay for. Personally, this improved performance and willingness of OCZ to fix their mistakes and deliver a good product convinced me to shell out for a 250gig Vertex series SSD.. which, due to time and lazyness issues, while physically in my machine I haven't installed yet... however I see this as an investment in the future; paying the higher prices now creates a market which will drive up size and down cost, so in the long run it's a win as SSD really is the future.
I will say this for SSDs, they are REALLY strange to handle: You pick this 2.5" light thing from a box and it's like 'there is no WAY this can hold 250gig...'. It's really strange.
The SSD Anthology: Understanding SSDs and New Drives from OCZ is worth a read to understand whats going on.