They're very similar so it really depends on what you're after. The Taichi has more features though as the board it is based on (Phantom Gaming X only adds 2.5G LAN) aims for a higher price bracket (Aorus Master/MSI Ace/CH VIII Hero).
- Taichi has 12K hour Japanese capacitors but uses cheaper (price-wise) Vishay 50A powerstages instead of 40A IR3553 powerstages from International Recitifier
: Aorus Pro has better VRM cooling due to finned main heatsink, but the cooling in practice is similar (see https://nl.hardware.info/artikel/941...-met-een-3900x
) due to the lower 4x6mm footprint of the IR3553 ; Aorus Pro has fan stop options for chipset heatsink, Aorus Pro has 2 EC temp headers with thermal probes
- Taichi reportedly is T-topology, but Aorus Pro is daisy chain which is better for 2 DIMM situations
: Taichi has debug code LED, clear CMOS button, power/reset ; Aorus Pro has dual BIOS + debug LEDs for CPU/VGA/RAM
: Taichi has 3xM.2
Connectivity & Rear IO Ports
: Taichi has PS/2 , Aorus Pro has more USB 2.0 ports
: the Aorus Pro has WIMA capacitors and ALC1220-VB instead of ALC1220 but the Taichi has a Texas Instruments amp ... in practice per Techpowerup's RMAA audio results the Taichi is a bit better
: Taichi has an aesthetic backplate (it isn't thermal) and provides an SLI bridge
: Taichi's USB 3.1 gen 2 front panel header has poor placement when accounting for full size GPUs. This is noted in Tweaktown's review and some people on reddit stated Asrock is offering right angle cables as consolation.