Gigabyte X299 Aorus Gaming 3 Review

Written by Antony Leather

July 19, 2017 | 19:30

Tags: #kaby-lake-x #lga-2066 #skylake-x #x299

Companies: #gigabyte #intel

Manufacturer: Gigabyte
UK price (as reviewed):
  £269.99 (inc. VAT)
US price (as reviewed):
  $279.99 (exc. tax)

There's plenty to choose from as far as X299 motherboards go if you're keen on netting an Intel Skylake-X CPU, and having covered options from Asus and MSI, it's now Gigabyte's turn to pitch itself against our battery of tests. We've received the company's sub £300 offering, the £270 X299 Aorus Gaming 3 to be precise.

This means it goes head to head with Asus' Prime X299-A and MSI's X299 SLI Plus, both of which sit within £10 either side of this price tag. It seems that once again, though, we have a board which betters the competition in some areas while lagging behind it in others. The X299 Aorus Gaming 3 looks good, although it's not quite as racy as some of the company's X99 efforts such as the X99-Ultra Gaming. However, it's good to see an I/O shroud, which was missing from many of the company's X99 boards. You also get RGB lighting that includes two 12V five-pin RGBW LED strip headers plus illuminated PCIe slots, PCH heatsink, and audio circuitry, all of which are fully controllable unlike MSI's X299 SLI Plus, which adds some of its own colour choices into the equation.

Gigabyte has reigned in some features such as overclocking and testing tools - there is no reset or CMOS clear switches nor an LED POST code display, which is a bit of a shame, and as a result it loses points to the MSI X299 SLI Plus here, which has all of these things as well as a USB BIOS Flashback button. Gigabyte is also the only manufacturer not to offer an M.2 heatsink in this price range, too, and there's no USB 3.1 header either.

It has kept up with fan control, though, which is just as well, as Gigabyte's offering both in the EFI and software is actually better than that of MSI or Asus right now. It also offers the same power pump header as Asus at 3A/36W, but while this is more than MSI, you won't need this much to power your average three- or four-pin pump.

Both M.2 ports support either SATA or PCIe SSDs, and handily one is located above the primary 16x PCIe slot for easy access. The onboard audio is your standard Realtek ALC 1220, but Gigabyte adds add a smart headphone amp that it claims can detect the impedance of devices to prevent low volume and distortion, and it also offers WIMA audio components.

You get the maximum eight SATA ports, and sensibly, U.2 has been ditched. There are nine onboard temperature sensors and eight hybrid fan headers, and these are all linked, allowing you control fans from the data of different sensors - not just the CPU.

The rear I/O panel is also a little lacking compared to MSI's effort, with six USB 3.0 ports and single USB 3.1 Type-A and Type-C ports. There are no buttons or Wi-Fi and a single Intel LAN port.

If you're looking to use two GPUs, then sticking with air-cooling shouldn't be too much of an issue thanks to the usual double-spacing between the primary PCIe slots. This leaves a sizeable gap between the cards to allow airflow to reach the top card.


  • Chipset Intel X299
  • Form factor ATX
  • CPU support Intel Socket LGA 2066 (Skylake-X, Kaby Lake-X)
  • Memory support Quad-channel, eight slots, max 128GB
  • Sound Eight-channel Realtek ALC1220
  • Networking Intel I219V Gigabit Ethernet
  • Ports 2 x M.2 PCIe 3.0 x4 32Gbps (1 x PCIe/SATA 6Gbps up to 2280, 1 x PCIe/SATA  up to 22110), 8 x SATA 6Gbps, 1 x USB 3.1 Type-A, 1 x USB 3.1 Type-C, 10 x USB 3.0 (4 via headers), 4 x USB 2.0 (4 via header), 1 x LAN, audio out, line in, mic, Optical S/PDIF out
  • Dimensions (mm) 305 x 244 
  • Extras None

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