Less than a year ago I reviewed several great USB Flash drives, all nice and fast and around 4 gigabytes in capacity. One I liked a lot was the Kingston DataTraveler HyperX, but at the time the $131 list price put it at $60 bucks more than the average. Even the 8GB version at the time was $266.
How does Kingston make the drives so capacious and so cheap? EverythingUSB believes Kingston is using MLC (multi-level cell) Flash memory, which is less expensive than SLC (single-level cell). It's also slower.
The DataTraveler 150 is apparently running around 28 to 30 megabytes per second (MBps) read speeds and 8-MBps writes. That first number is pretty good, but the second number is about half of what I got when testing the HyperX a few months ago. In fact, it's so slow that the 150s do not support Windows ReadyBoost when used with Vista. (Full story Link)