H81M-C H81M-C-ASUS-2401 Micro-ATX H81 features new UEFI BIOS and dedicated fan controls to fulfill everyday productivity New UEFI BIOS and EZ Mode: Friendlier, easier, and more intuitive with helpful info added USB 3.0 BOOST (UASP Support): 170% faster transfer speeds than traditional USB 3.0 Network iControl: Real-time network bandwidth management CrashFree BIOS 3: Restore corrupted BIOS data from USB storage AI Suite 3: One-stop access to innovative ASUS features