This manual introduces the functions and usage methods of the H55 Extreme3 motherboard
This manual covers everything needed to set up the ASRock H55 Extreme3 motherboard, including package contents, hardware installation, BIOS setup, and driver installation. It also contains safety notices, over‑clocking guidelines, and troubleshooting tips.
Detailed specifications such as supported CPUs, memory configurations, expansion slots, audio and networking features are listed, along with instructions for using the support CD utilities and updating the BIOS.
| Form factor | ATX (12.0" x 9.6") |
|---|---|
| CPU support | Intel Core i7/i5/i3 and Pentium G6950 (LGA1156) |
| Memory slots | 4 DDR3 DIMM slots |
| Maximum memory | 16 GB |
| Expansion slots | 1 PCIe 2.0 x16, 3 PCIe 2.0 x1, 3 PCI |
| Graphics outputs | D‑Sub, DVI‑D, HDMI |
| Audio codec | VIA VT2020, 110 dB dynamic range |
| LAN | Gigabit Ethernet (Realtek RTL8111DL) |
| SATA ports | 2 SATA3 6 Gb/s, 6 SATA2 3 Gb/s |
| USB ports | 1 USB 3.0, 5 USB 2.0 |
It supports Intel Core i7, i5, i3 and Pentium G6950 processors in the LGA1156 package.
The motherboard provides four DDR3 DIMM slots with a maximum total memory capacity of 16 GB.
It includes one PCI Express 2.0 × 16 slot, three PCI Express 2.0 × 1 slots, and three legacy PCI slots.
The board offers 7.1‑channel HD audio with a VIA VT2020 codec (110 dB dynamic range) and HDMI audio support.