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World's fastest Flash memory developed: writes in just 400 picoseconds
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
This was actually the main market for Intel Optame. It's got great write endurance, and better latency than Flash. I think they ended up stopping making it because it wasn't cost effective. I'm actually using some old Optame drives in my server for the OS boot drive.