An ASRock motherboard does not simply earn the Extreme11 title with insignificant specs and features. ASRock Z87 Extreme11/ac is armed with Intel® Thunderbolt™ 2 technology, which provides up to 20Gbps connections and an exclusive DP-In design for supporting graphics cards via Thunderbolt™. The added PLX PEX 8747 bridge allows enthusiasts to configure 4-Way SLI or 4-Way CrossFireX for high performance graphics. There’s a whopping 22 connectors, including 6 SATA3 connectors by Intel® Z87 and 16 x SAS-3(12.0 Gb/s) / SATA3 (6.0 Gb/s) connectors provided by LSI™ SAS 3008 Controller + 3X24R Expander, which can reach up to an unearthly 6.1 GB/s transfer speed. Other features include A-Style Purity Sound™, 2T2R 802.11ac Dual Band WiFi + Bluetooth v4.0, Home Cloud and a Wi-SD BOX that provides four front USB 3.0 ports, 1 SD Card slot and 1 rack for installing an SSD!