GIGABYTE X399 AORUS XTREME

There are seven fan headers on the motherboard, they are circled in red and are hybrid headers so each operates in DC or PWM mode. There are two external temperature probes included with the motherboard, and they plug into the green headers. The motherboard has a sleek silver, and black and most of the circuitry is covered by large heat sinks.

Read more @ TweakTown

ASUS ROG ZENITH EXTREME ALPHA

The price is the same as before at £520, but this is still considerably higher than both the aforementioned MSI and Gigabyte boards, which sit at £470 and £430 respectively and offer similar feature sets. The power circuitry is key when dealing with HEDT CPUs, especially the likes of the 2990WX, and Asus claims there are space issues on X399 when trying to properly design for overclocked flagship Threadripper. 

Read more @ Bit-Tech

ASRock X399 Phantom Gaming 6

The ASRock X399 Phantom Gaming 6 I have here today boasts a full-coverage M.2 heatsink, dual Gigabit LAN, and ASRock Hyper BCLK Engine II. Not only are there three M.2 slots and eight SATA 6 Gb/s ports, but the feature ASRock is most excited to present, and rightfully so, is the new Phantom Gaming 2.5 Gb/s LAN.

Read more @ TechPowerUp

GIGABYTE X399 AORUS XTREME

The X3999 Aorus Pro is certainly well equipped, offering support for the entire TR4 range of CPUs, as well as quad-channel DDR4 memory and overclocking. You’ll find superb connectivity too. There are USB 3.0, 3.1, and Type-C inputs. Expansion cards can benefit from 4-way GPU support.

Read more @ eTeknix

ASRock X399 Phantom Gaming 6

It comes with a ton of features such as ASRock’s Super Alloy, 8 Power Phase & Dr. MOS, as well as Phantom Gaming 2.5Gb/s LAN, PCIE steel slots, 3 x Ultra M.2 connectors,  Polychrome RGB Sync, 2 x USB 3.1 Gen2 (both Type-A and Type-C) and 12 x USB 3.1 Gen1 ports. And there’s more …

Read more @ FunkyKit

ASRock X399 Taichi

Unlike most motherboards, ASRock does not focus the marketing of the X399 Taichi on any specific group of users. The company’s marketing efforts are generalized, hinting that their intent is to promote the X399 Taichi as a general-purpose design that would satisfy the widest user base.

Read more @ AnandTech

MSI MEG X399 Creation

With support for 8 x DDR4 3600mhz+ (OC) memory, extensive support for storage with 7 x turbo M.2 and support for AMD storeMI technology, M.2 thermal shields, and much more. It is built for creators, for those who deal with lots of rendering, content creation, game development, and other processor intensive tasks.

Read more @ eTeknix