H81M-D PLUS H81M-D PLUS BIOS 2304 Micro-ATX H81 with new high-endurance 5X Protection plus four USB 3.0 ports ASUS 5X Protection - All-round protection provides the best quality, reliability, and durability New UEFI BIOS – Friendlier, easier, and more intuitive with helpful info added USB 3.0 Boost (UASP Support) - 170% faster transfer speeds than traditional USB 3.0 Ai Suite 3 - One-stop access to innovative ASUS features Network iControl - Real-time network bandwidth management