strange choices in asrock x570 mini itx TB3 can someone explain why to me?

oldy

Weaksauce
Joined
Dec 11, 2015
Messages
79
i am planning of buy X570 Phantom Gaming-ITX/TB3 around blackfriedy but this motherboard has strange choices in it design

1- no front type c on premium board in 2019!
2- thunderbolt 3 and m.2 both go through the chipset even though there is a detected nvme lanes in the cpu !!! (at least according to this photo

asrock-20x570-20phantom-20gaming-20itx-20tb3-20block-20diagram-jpg.jpg


i can understand a single m.2 slots since there is thunderbolt 3 port (main selling point for me) but being both on the same x4 lanes i dont understand ?
 

Kaos_Drem

Gawd
Joined
Oct 16, 2004
Messages
960
If it is anything like Intel its very difficult to do power management over the cpu pcie lanes for hot plug capabilities. That is my assumption here anyway.
 

doubletake

Gawd
Joined
Apr 27, 2013
Messages
601
Probably also because it's PCIE4.0 vs 3.0 on last gen. There should be enough bandwidth there overall to avoid bottlenecks, given the limited amount of devices that can be hooked up in the first place. If this was on an mATX or larger size board, then that would definitely be a lame layout.
 
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