Legit Reviews takes a look at the first HyperX based USB Flash drive from Kingston and compares it to several other brands to see how it does in performance tests on a notebook computer. A quote from the article:

The Kingston DataTraveler HyperX USB Flash Drives have a read speed of 30MB/s and write speed of 20MB/sec so they certainly deserve the HyperX name as it is hands-down the fastest USB Flash drive that Kingston offers. The Kingston DataTravler HyperX USB Flash drive that we are looking at today is the 8GB version, but Kingston offers the drive with different capacities at various price points, so if you want a HyperX USB Flash drive you can pick from a 2GB ($54.99), 4GB ($99.99) or 8GB (189.99) capacity...

>> Kingston DataTraveler HyperX 8GB USB Flash Drive Review