for X48 chipsets, DFI produced both UT/LT/DK series to cover the price range from USD $ 200~310. The superstar today is “DK X48-T2RSB Plus”, reversion from DK X48-T2RS. There are some differences in the new version with USD $20 higher than before.
The most affordable X48 motherboard – DFI LANParty DK X48-T2RSB Plus OC Review