Considering it pulls ccompletely fresh Air in the Ghost S1 and the tophat pulls out air I'm not very concerned, but i also went for the A9x14 Chromax because it is the HS version with 2500 rpm.
If i still had my Tu150 i wouldn't go for the mod though.
Check my Post a bit up, these Sticks run flawlessly in my Asus b550i with 5950X at 3200/cl16/1.35v
If you can tolerate a fan running at 100% every now and then the black ridge should be fine, if you can fit a 70mm cooler you can also go for for the L12S and mod an A12*25 fan to fit it. 5950s...
There is also the Louqe MKIII PCIe 4.0 Riser.
It has no ribbon Cable, instead it uses seperate Twinax cables. Much better for thermals, should allow free Airflow.
And thanks for bringing the heatissue to the Table, i never thought about Riser temps - will place a Tempsensor behind my RX6800 to...
This is a small mod which can help if you have big Displayport and HDMI connectors that may be blocked by the backplate of your case and end up with a loose connection.
Just put a few M3 washers between your Riser and Case Standoffs:
This will move the VGA closer to the side panel.
And a small side note: If your Displayport or HDMI cables hit the cutout on the back of the case (it is rather small by default) you can put 2 washers between the riser and standoffs to move your vga closer to the side panel. This will also reduce m.2 temps if you have a back-mounted m.2 drive:
I did this Mod some days ago.
The safe way is to peel off part of the fan lable, pinout is marked underneath it on the stock fan. PWM is P, + is +, black is minus, rpm is yellow (the unmarked one).
Additionally i recommend rewiring the adapter, not the Fan. And get the Chromax version, you can...
2 x Micron 32gb VLP ECC UDIMM MTA18ADF4G72AZ - 2G6B2 do work with Ryzen in ECC (64gb in total)
I stayed on stock timings @3200mhz, 1.35v and they work like a charm. They are widely available in the EU at competitive prices, i got them for 150€/stick.
Just a small Guide on building and silently aircooling the Ghost S1 + results with and without Tophat.
Gallery if you are too lazy to use thumbnails.
Case + cooling:
Ghost S1 MKIII with MetaCustoms Bottom, middle and Top Grill
Noctua L12S bent to fit Ghost S1
A12x25 modded to fit without...
Specs and setup:
Dan A4 SFX V4.0/3.0 hybrid
4.0 base frame; side panels / 3.0 front panel, USB Port /4.0 Riser
Asetek 645LT with Noctua A9x14 HS
high RPM L9i Version
Corsair AM4 mounting bracket
PBO disabled, stock TDP
Powercolor RX5700XT Red Dragon