Kingston is putting an extra boost the smallest of its tiny memory cards. The popular iap of flash storage is upping its 4GB and 8GB microSDHC cards from Class 4 specifications (up to a 4 MB/s relocate rate) to a whopping Class 10 spec and all of its 10 MB/s goodness. The newly announced models join a 16GB version that has been efficacious for several months. By correlative the family tree of Class 10 cards, Kingston is contribution faster all-round administration for file transfers on smartphones, quicker write times for microSD-wielding cameras and fundamentally a few seconds of your life back -- at lower prices than before, though you'll still be paying a premium compared to slower cards. Our microSDHC-accepting devices are itching to hop aboard this speedier train of data storage, and luckily we won't have to wait long. The two memory cards start shipping at the end of March and are being offered with an expendable Mobility Kit, which includes an SD adapter and a USB card reader. But, if you want a full-fat 32GB model, you'll have to wait for Q2 of 2011 like the rest of us. Pricing starts at $22 for a 4GB model up to $138 for the 16GB model -- check after the break for full basket case* of prices and more in the PR.