The Gaming 3 uses the platform standard four DIMM slots with speeds up to DDR4-4000 and capacity up to 64GB. The PCIe layout is different on this board compared to what we have looked at previously from GIGABYTE: on this board, there are only two full-length PCIe slots and four PCIe 1x slots. The full-length slots are reinforced (part of their ultra-durable features) and run in an x16/x4 configuration allowing AMD 2-Way Crossfire but not SLI as NVIDIA requires an x8 speed on the slot. That PCIe 3.0 x4 is powered by the chipset, similar to the Z370-P.
There are a total of five fan headers on the board. with the CPU and water cooling CPU fan headers by the socket, a system fan by the 8-pin EPS plug, a system fan to the right of the DIMM slots, and the last header is at the bottom of the board. If the lack of RGB LEDs on the board is a turn-off, there are RGBW headers found on the board (one across the bottom, the other by the 24-Pin ATX power connector). Onboard audio is handled by the EMI shielded Realtek ALC1220 codec and like most other gaming boards, uses the Nichicon and WIMA caps. The NIC of choice on this board is the Rivet Networks Killer E2500 and is the only network controller on the board. The Gaming 3 does not include WiFi. Thunderbolt 3 is supported on this board via AIC (Add-In Card).
High Definition Audio Design
High Definition Audio Design is Gigabytes interpretation of good onboard audio. In this case there is a Realtek ALC1220 codec, which has been combined with high-quality capacitors
There are two full size PCIe slots on this particular board and they have been equipped with a steel frame. If you put a large and heavy gaming graphics card in a case, you will notice, that over time the slots starts to bend by a little bit. Furthermore, during rough transporting it can happen, that the PCIe slot breaks by the sheer force. In both cases the steel armor should help increasing protection of the PCIe slots.
The Z370 AORUS Gaming 3 motherboard from Gigabyte features two M.2 slots which are placed between the PCIe slots. This motherboard can be equipped with one 2280 M.2 and one 22110 M.2 SSDs, where the figures behind the "22" stand for the actual length of the M.2 SSD in millimeter. Both slots are connected via four PCIe x4 lanes, offering up to 32 Gbps bandwidth.
USB 3.1 Front-Panel Connector
Right next the 24-pin connector there is a USB 3.1 front-panel connector, which has been wired using two PCIe Gen 3 lanes and therefore offering up to 16GB/s bandwidth. Unlike several other Z370 models, Gigabyte on the Z370 AORUS Gaming 3 uses a 3142 ASMedia chip for the USB 3.1 connector. Should you own or plan on buying a case with such a connector, then you'll be able to use it combination with this motherboard.
- Chipset Intel Z370
- Form factor ATX
- CPU support Intel Socket LGA 1151-V2
- Memory support Dual-channel, four slots, max 64GB
- Sound Eight-channel Realtek ALC1220A
- Networking 1 x Killer Gigabit Ethernet
- Ports 2 x M.2 PCIe 3.0 x4 32Gbps (1 x PCIe/SATA 6Gbps up to 22110, 1 x PCIe up to 2280), 6 x SATA 6Gbps, 1 x USB 3.1 Type-A, 1 x USB 3.1 Type-C, 1 x USB 3.0 Type-C header, 6 x USB 3.0 (2 via headers), 6 x USB 2.0 (4 via headers), 1 x LAN, 6 x audio out
- Dimensions (mm) 305 x 244
- Extras None
USB 3.1 (10 Gbps) is handled by an ASMedia 3142 controller and gives us one Type-A and one Type-C adapter both found on the back panel I/O area. From the chipset is another Type-C internal header (5 Gbps), four USB 3.1 (5 Gbps) four ports on the back panel and two more through internal USB headers. There are two USB 2.0 ports on the back panel, and four more through internal USB headers. The remainder of the back panel I/O connectivity consists of a combo PS/2 port, a one-touch overclocking button, an HDMI output for using onboard video, and the audio stack (no SPDIF).
The Gaming 3 finds itself squarely in the middle of the GIGABYTE stack. The mix of features, such as the Killer Gaming NIC, an upgraded audio section, and reinforced slots keep gaming a priority on this board. However, the lack of SLI support will send those with multiple NVIDIA GPUs looking elsewhere.
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