![]() ![]() Each Thunderbolt port (40Gb/s) is limited to 22Gb/s of PCIe data, with the remaining usable only by DisplayPort data which has priority over PCIe data. Where does that "shared 36Gb/s" number come from regarding the Thunderbolt ports? PCIe 3.0 x4 is limited to 31.5Gb/s. Those features might warrant a $400 asking price, so Gigabyte punched up the installation kit with an RGB Fan controller hub, an overclocking module, four thermistor leads, a slew of RGB and fan extensions and adapter cables, large Wi-Fi antennas, and nylon braided SATA cables. And you might be embarrassed if so expensive a board comes up short in the connectivity department, so the Aorus Xtreme also includes Intel’s latest four-lane Thunderbolt 3 controller. In case your system happens to reside somewhere there's no handy Ethernet port, the company adds Intel’s 1.73Gb Wi-Fi. ![]() Of course, you’ll want the fastest networking too, so the Z390 Aorus Xtreme adds Aquantia’s 10GbE controller to the basic Intel Gigabit Ethernet, for dual networking. We can expand from there, noting that the highest Core i9-9900K performance requires overclocking, which justifies increasing the board’s voltage regulator to 16 phases from the 12-14 seen on most of Gigabyte’s other high-end Z390 boards. Gigabyte Z390 Aorus Xtreme at Amazon for $1,319 (opens in new tab).How does a company justify selling a “mainstream platform” motherboard for $550? We can begin with the notion that if the Core i9-9900K is Intel’s best-performing gaming processor (itself selling for over $500), then Gigabyte can market this board to those looking to build a highest-end gaming system. Power, OC Mode, Reset, CLR_CMOS / BIOS ROM, BIOS Mode (1) 10GbE, (1) Gigabit Ethernet, (2) Wi-Fi Antenna ![]()
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