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@ 2015/06/08ASRock is seeking to strike a cost-features sweet-spot around the $130-150 mark with the new Z170 Extreme4 motherboard. ASRock didn't finalize the board's heatsink design, but showed it off at Computex. This ATX form-factor, socket LGA1151 motherboard based on Intel's Z170 Express chipset, features four DDR4 DIMM slots, supporting up to 64 GB of dual-channel DDR4-3400 MHz memory. A 10-phase VRM powers the CPU. The board draws power from a combination of 24-pin ATX and 8-pin EPS connectors; and with this generation, is appears that ASRock has finally got the onboard electrical distribution right; with the board lacking any additional power inputs.
Expansion slots include two PCI-Express 3.0 x16 (x16/NC or x8/x8), one PCI-Express x16 (electrical x4) wired to the PCH, and three PCIe 3.0 x1 slots. Much like the beefier Z170 Extreme7, this board offers three SATA-Express 16 Gb/s ports, but just one M.2 (32 Gb/s) slot; and six SATA 6 Gb/s ports. All other essentials for this generation are covered, with two USB 3.1 ports (one each of Type-C and Type-A), and eight USB 3.0 (four on the rear panel, four by headers); 115 dBA SNR onboard audio with a headphones amp and ground-layer isolation; and a single gigabit Ethernet interface (Intel controller).
Expansion slots include two PCI-Express 3.0 x16 (x16/NC or x8/x8), one PCI-Express x16 (electrical x4) wired to the PCH, and three PCIe 3.0 x1 slots. Much like the beefier Z170 Extreme7, this board offers three SATA-Express 16 Gb/s ports, but just one M.2 (32 Gb/s) slot; and six SATA 6 Gb/s ports. All other essentials for this generation are covered, with two USB 3.1 ports (one each of Type-C and Type-A), and eight USB 3.0 (four on the rear panel, four by headers); 115 dBA SNR onboard audio with a headphones amp and ground-layer isolation; and a single gigabit Ethernet interface (Intel controller).
