r/HAVNGlobal

My Build On HAVN420

Hi everyone,

I wanted to share my experience building my first PC.

I bought the HAVN HS420 and planned to use the vertical GPU mount, but I ran into an unexpected compatibility issue. My GPU ended up sitting too close to the display on my ASUS ROG Ryuo IV AIO, so I couldn't use the vertical mount as intended. In the end, I had to switch back and order a separate GPU support bracket instead.

If you're planning a similar build, my advice is to carefully check the clearance between the graphics card and the AIO pump/display before buying or assembling everything. It can save you time, money, and a lot of frustration.

Hopefully this helps someone avoid the same mistake I made.

u/Odd_Addition_3310 — 3 days ago

My son's build.

Havn 420 Case

X870 Tuff board

9800x3d

32 gigs DR5 6000 ram

Tuff 9070XT

Phantek M20 Fans

Phantek 360 cooler

1 2tb Sony Pro + 1tb Sony Pro M.2

Amazon 14 inch Screen

u/CharacterCool6339 — 2 days ago

What temp difference to expect 11vs8 (140mm) fans HS 420

Hi Folks, I’m happy to join the family and I first of all: wow, this thing is huuuge. Coming from an H510Elite, my eyes have first to adapt to this bulky beauty. However I keep wondering if there are any reliable tests on YT or someone with experience who benchmarked the different constellations. I don’t mind adding the extra 3 fans but I like the look more with only 8.
My system is pretty old besides my 5090FE, there’s a Ryzen 5900x (with AIO cooler) and 64gb ddr4 ram. If the temp difference is about <5°C, I think I’d go with 8 fans. The 9 fan config is also interesting and perhaps the most efficient? I’m just happy to chat with someone about it. Thanks

u/nok01101011a — 3 days ago

My first PC

Finally got my first ever PC built in a HAVN HS 420 VGPU

Specs :

Gigabyte GeForce RTX 5080 GAMING OC 16GB
AMD Ryzen 7 9850X3D
Samsung 990 PRO 2TB M.2 NVMe SSD
Gigabyte X870 Aorus Elite WIFI 7 ATX
Kingston Fury Beast DDR5 32GB 6000Mhz CL30
ASUS Rog Strix 1000W Platinum ATX
Arctic Liquid Freezer 3 Pro 420mm
All fans in case are Arctic P14 Pro 140mm

u/Proud-Ad4654 — 4 days ago

RGB or go Stealth Mode? HS420 VGPU.

So, I struggle to make a decision on the setup in HS420 VGPU. I’ve been rocking the Phanteks M25 Gen.2 as case fans, for almost 6 months. Combined with the Phanteks Glacier One 420D30 as my AIO.

Now, all of a sudden, I’m confused. I can’t have a stealth build with just turning off the RGB, since the fan blades are "white".

So, Reddit, members of the HAVNGlobal community.
Keep my system as it is, or replace all fans with the Arctic P14 Pro’s, and install my be quiet! Silent Loop 3 420 with some Arctic P14 Pro’s?

Please help me decide….

u/CupImpossible7133 — 4 days ago

Family PC aka livingroom 4k120 PC 99% complete

I had purchased a 5080 Astral as a egpu setup with my Xbox Ally X. Loved it looked great. When I travel it's not in use. I decided on reusing a X870e Crosshair Hero board I had and build my kids their first pc. Connected to a 75" Sony TV.

MB: X870e Crosshair Hero

CPU: 9850X3D

RAM: 32gb Gskill Ripjaw Neo (they are currently running my 64gb royals)

1tb 990pro for OS/Apps

2tb 990pro for games

GPU: 5080 Astral

Seasonic 1000W Vertex PSU

RYUO IV SLC 360 Argb AIO

Extras: Thermaltake Red Contact Frame

Lianli Verticle Mount

CableMod carbon cable replacement.

This case was super easy to build in, hardest part was routing aio wires so that you don't see it over the black motherboard. Kids loving it. Once they learn to use it and in need of one each, I will give this to my son and build my daughters build.

u/jcmred82 — 4 days ago
▲ 75 r/HAVNGlobal+1 crossposts

My first self built pc

Maybe 6ish years ago I got a pc given to me for free, GTX 1660ti, i5-9400f, and something around 5gbs of RAM. I’ve spent a long time saving and as an adult with financial freedom, it’s finally paid off.

I started building it earlier this year when I saw the HS420 for the first time and it really kicked it off, this case got the ball rolling.

Made some art on blender for the screens, most of the parts I bought were to to keep to the curved corner and smooth edges look the HS420 has got going for it.

Main specs: 5080FE, R7 9850x3d, Corsair Titanium DDR5 2x24 6400mhz cl32, PX277 240hz 1440p OLED.

u/Repulsive_Meaning795 — 8 days ago

The three amigos are done and really liking how the HAVN one turned out.

Using a Lian Li gpu mount and installed perfect with the glass and all ports are accessible.

u/Zeronova3 — 8 days ago

HS 420 Fans

Hey there, I’m curious if anyone happens to know which fans are used in these “official” HS 420 builds. I think they fit the case really well, would you recommend them?

u/Domnom_09 — 11 days ago

HS 420 vgpu Build

Hello!

I just ordered the HS 420 vgpu case and it should arrive in a couple of days.

I wanted to know if there will be any issues with mounting my components inside this case. From what I've asked on chatgpt and other sources, there shouldn't be any issues but I wanted to make sure. Maybe some of you have the same setup as I have.

My gpu is a 5090 FE

Mobo is an Asus Rog x870e dark hero

My AIO is the new Hydroshift 2 oled curved 360

My concern is that because of the vertical mounting of the gpu, I will not have enough space for the big 6,6 inch screen of the aio. The aio will be mounted on top.

Thanks!

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u/LegitDoggy — 10 days ago

GPU Support Bracket Advice

Hello everyone! I finished my build in an HS420 and just wanted to know if anyone has any recommendations about where to position the support bracket on a large card such as an Asus 5090 Astral.

Also, does my card look like it’s sagging? Here are some photos.

u/dumb_and_gross — 10 days ago
▲ 10 r/HAVNGlobal+1 crossposts

[2026 Build Plan] "Project Heavy Metal" - HAVN HS 420 | 13900K + RTX 4090 | Triple 420 Rads + Chrome Brass Hardline!

Hey everyone!

I'm getting ready to pull the trigger on my dream loop and wanted to run my parts list by the community before I start ordering.

The goal here is maximum, whisper-quiet cooling with a super clean, mechanical "engine bay" look. Because I want those perfectly straight, industrial runs, I'm ditching plastic entirely and going with XSPC Chrome Brass tubing and rotary fittings. It's going to be heavy, completely overkill, and I cannot wait.

Here is the rundown for Project Heavy Metal:

🖥️ The Main Hardware

  • Case: HAVN HS 420 Mid-Tower (Using their vertical GPU mount w/ PCIe 5.0 riser)
  • CPU: Intel Core i9-13900K
  • GPU: MSI Suprim GeForce RTX 4090 24GB
  • Mobo: MSI MPG Z790 CARBON MAX WIFI II
  • RAM: Kingston FURY Beast 64GB (2x32GB) DDR5-6000
  • PSU: CORSAIR RM1000e (with a set of CableMod Custom cables)

🌊 The Loop

  • CPU Block: Alphacool Eisblock XPX Pro Aurora Light
  • GPU Block: Alphacool Eisblock Aurora Acryl
  • Pump/Res: Alphacool Eisbecher Aurora D5 150mm
  • Radiators: 3x 420mm Total! (1x Alphacool UT60 on the floor, 2x ST30s for the top and side)
  • Fans: 10x Lian Li UNI Fan SL-Infinity 140s (6 Reverse blade for bottom/side intake, 4 Regular for top/rear exhaust)
  • Tubing: XSPC Rigid Brass Tubing (14mm OD, Chrome)
  • Fittings: Full XSPC ecosystem (Triple Seal fittings, 90s, 45s, and a matching chrome drain valve setup at the lowest point)
  • Coolant: Clear Pre-Mix (Probably Aquacomputer DP Ultra)

🥶 Thermal Upgrades (Bulletproofing it)

  • LGA1700 Contact Frame (Basically mandatory to keep the 13900K from bowing, going with Thermalright/Thermal Grizzly).
  • Thermal Grizzly KryoSheet on the 4090 GPU die (Hoping to eliminate pump-out entirely so I never have to crack this block open again).
  • Thermal Putty (UPSIREN U6 Pro) for the VRAM/VRMs to avoid any mounting pressure headaches/tolerance issues with the waterblock.
  • Gelid Ultimate 3mm pads for the backplate.

I've got my mini pipe cutter, heavy-duty metal reamer, and plenty of blue painter's tape ready so I don't scratch up the chrome during cuts.

Do you guys see any red flags or gotchas here? Anything I'm missing before I lock this in? Wish me luck on the 500mm straight waterfall drop from the top rad back to the reservoir!

AI-generated concept image. Actual build will vary.

reddit.com
u/gregparris87 — 13 days ago

Havn BF360 best fan configuration

Hi, so I’m planning on building my first setup in this case. I’ve heard that the 180mm fans are a bit of a hit or miss in terms of quality and rattling noise. So I decided to go with the non flow variant. I’m planning on using Havn 140mm fans. Three at the front as intake and one in the rear as exhaust. I don’t know if I should place two 140mm at the top and if they should be both set as exhaust or one exhaust in the top rear and one as intake in the front. Also a 5 fan setup with three front intakes and two exhausts (one rear and one top rear) is also a option. I’ll be using a dual tower cpu air cooler, so no AIO. The cpu will be Ryzen 7500f and the GPU RTX 5060 ti 16GB. I know that 5-6 fan setup might be an overkill but I want to be set for future cpu and gpu upgrades. Thank you for the tips!

reddit.com
u/Kubovan — 13 days ago