The Tachyon has all you’d expect in a Z690 motherboard. There are a total of four M.2 sockets (but none are PCIe 5.0), premium audio, plenty of USB ports (including USB 3.2 Gen 2×2 ports), overbuilt power delivery, along with built-in overclocking buttons and switches to help speed enthusiasts get the most out of their platform. Compared to the Z590 version, the new model sports similar styling and layout. There’s one less PCIe slot, one more M.2 socket, and much-improved VRMs to help support extreme overclocking of Intel’s 12th Gen Alder Lake processors.
Read more @ Tom’s Hardware