Shhh, It’s Lights Out! | NZXT H5 Flow Blackout Gaming PC Build | Noctua NH-D15 | Radeon RX 7900 XT @Mr_Matt_Lee
Shhh, It’s Lights Out! | NZXT H5 Flow Blackout Gaming PC Build | Noctua NH-D15 | Radeon RX 7900 XT  @Mr_Matt_Lee
Uploaded February 2023 | Updated September 2026, 1 week ago
#NZXT #Noctua #asuspcdiy - You've seen the Blackout NZXT H9 & H7 Flow on my channel, it's time to give the H5 the same treatment! Are you ready for zero RGB and lights out?!

00:00 - Intro
00:50 - Build Hardware Overview
01:32 - B650 Motherboard Assembly
03:56 - NZXT H5 Flow Assembly
08:17 - Airflow Visualization
09:06 - Cinematic & Desk Setup Inspiration

This build feels like it has been a long time coming! Before Christmas I built with this case for the launch of the H5 line but I used the standard Noctua Brown/Beige color pallet which for me personally was a massive winner. However, you just can't beat a solid blackout stealth build and what better way to compliment it with some of the finest cooling components from Noctua!

The NH-D15 Chromax.black is without a doubt one of the best performing air coolers in the industry in terms of raw performance and silence. For this video I really wanted to show you how well it fits inside the H5 Flow whilst keeping the Ryzen 7 7700X at optimum temps.

Temps whilst gaming have been excellent so far:
Ambient room temp - 24c
GPU IDLE - 32c
GPU UNDER LOAD - 68c
CPU IDLE - 45c
CPU UNDER LOAD - 79c

It's still early days and I'm testing more as time progresses. Keep your eyes on my social media stories for updates over the coming days/weeks.

I'd also like to take this moment to say that the original fans which came with the chassis and CPU cooler perform fantastic indeed. I only swapped them for aesthetic purposes and to bring together a complete Noctua cooled H5.

Main parts included in the build:
(USA Amazon)

Case - amzn.to/3EyjO7P
GPU - amzn.to/3StfUD5
CPU - amzn.to/3N3h6tW
Motherboard - amzn.to/3ZAfWvh
RAM - amzn.to/3gzmIQx
NVME M.2 - amzn.to/3kj0Rzf
CPU Cooler - amzn.to/3IQzjKP
1x 120mm Fan - amzn.to/3KzfA3u
3x 140mm Fans - amzn.to/3Y6aM9a
PSU - amzn.to/3FdxAha
Extensions - amzn.to/3XS7GoY
Fan Controller - amzn.to/3XWDtVY
2x fan splitters - amzn.to/3Fe7pak
LED Strip - amzn.to/3Is8njc
Mouse - amzn.to/3EvHWI8
Keyboard - amzn.to/3Stgf8P
Mouse Pad - amzn.to/3IoVCpD
Monitor X=XPRO27IPS - amzn.to/3DpfK8H

Lights used to film this video:
Godox UL150ii - amzn.to/3kVOwka
Godox UL60 - amzn.to/3Ymetb2

Main parts included in the build:
(UK Amazon)

Case - amzn.to/3ki5ae8
GPU - amzn.to/3kmIqcI
CPU - amzn.to/3SynF94
Motherboard - amzn.to/3xLxWXA
RAM - amzn.to/3DugLgH
NVME M.2 - amzn.to/3KzWnid
CPU Cooler - amzn.to/3EBd6xX
1x 120mm Fan - amzn.to/3IS5Sbt
3x 140mm Fans - amzn.to/3ksQYyY
PSU - amzn.to/3KAmbL9
Extensions - amzn.to/3EByAKV
Fan Controller - amzn.to/3Sv6ZRl
2x fan splitters - amzn.to/3DuhKxp
LED Strip - amzn.to/3ZmnMsd
Mouse - amzn.to/3XS9nTq
Keyboard - amzn.to/3lSRB52
Mouse Pad - amzn.to/3m2u3Lg
Monitor X=XPRO27IPS - amzn.to/3DpfK8H

Lights used to film this video:
Godox UL150ii - amzn.to/3wUWFIx
Godox UL60 - amzn.to/3xaH6N7


Over the last few months I've managed to successfully run airflow visualizations on a lot of my Gaming PC builds, this particular H5 Flow genuinely blew my mind at just how effective the cooling is. Hopefully the airflow visual really shows this!

Side note, whilst the H5 Flow isn't designed to take a 140mm at the top, I managed to fit this in without a problem utilising two additional mesh top plate holes to screw it down :)

Please like and subscribe if you want to see more content like this, also follow the link below to my Instagram where you will find the photoshoot pictures and lots more like-minded content :D

Special thanks to NZXT, Noctua & ASUS UK for supporting this build. You guys are awesome!

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Find me on socials:
instagram.com/mr_matt_lee
twitter.com/mr_matt_lee
facebook.com/MrMatthewLee

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Shhh, It’s Lights Out! | NZXT H5 Flow Blackout Gaming PC Build | Noctua NH-D15 | Radeon RX 7900 XT

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