How much height would this mount add to my pc? i've got a ~20" tall case and the sit-stand desk i'm customizing goes down to 23.6"

It may go down that far, but are you ever going to lower it that far? Mine goes down to 23.2*, about a half inch lower than what you've got, and I can tell you the only time it's ever been that low was when I first built the thing and was calibrating the controller. After raising the desk above that it's never been close to that low since. I raise it all the way up more frequently than to lower it all the way down (which again is never). Raised all the way up makes it easy to work underneath the desktop. * Note the 23.2" measurement is to the top of my desktop, which is 1¾" thick, so the underside is actually 21.45" off the floor at the lowest setting. Make sure you're using the correct measurements when making these determinations.

How many screw holes are in the top?

Hello, Thank you for your interest in our product! There are 4 screw holes on the top, 2 of which are key shaped for easier mounting. VIVO Customer Support

Are there spacers to get around the desk's cross beam? Like the bracket for the keyboard tray, would that one work here?

Hello and thank you for your question! I am sorry, unfortunately we do not make compatible spacers for this mount.

For those who have mounted this outside of the legs of a sit-stand desk with wheels/casters, any concerns about tipping or balance?

I mounted mine just inside the legs of a sit-stand desk with casters, and there is no issue. I would think that if you are comfortable putting the computer on the desk above the spot where you will be mounting it, then you'll be fine hanging it below in this mount. I suppose it depends too on how wide/narrow the desk and legs are and whether there is anything else on the desk. But I don't think it should be a problem.

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VIVO VIVO Heavy Duty Adjustable Under-Desk PC Mount Computer Case Holder Supports up to 66lbs (MOUNT-PC04A)

VIVO VIVO Heavy Duty Adjustable Under-Desk PC Mount Computer Case Holder Supports up to 66lbs (MOUNT-PC04A)

Product ID: 221266485

Details

Brand
VIVO
Compatible Devices
PC Towers
Item Weight
5.99 Pounds
Mounting Type
Desk
Size
Large

📏Adjustable height 14-22 inches

↔️Width fits 5-10 inches PCs

🛠️66 lbs heavy-duty steel frame

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€ 302.98

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Description

🖥️ Elevate your setup — because your PC deserves the penthouse, not the floor!

COOL COLLECTED - Open-frame design promotes optimal airflow, preventing overheating and extending your PC’s lifespan.
EFFORTLESS SETUP - Minimal assembly required so you can upgrade your workspace in minutes without the hassle.
MAXIMIZE DESK SPACE - Free up your floor and reclaim your workspace with an under-desk mount that keeps your PC off the ground and out of the way.
BUILT TO HOLD PROTECT - Heavy-duty steel frame supports up to 66 lbs with thick padding to shield your investment from scratches and bumps.
TAILORED FIT FOR YOUR RIG - Five height settings and adjustable width ensure a perfect, wobble-free fit for most PC cases on the market.

The VIVO Heavy Duty Adjustable Under-Desk PC Mount (MOUNT-PC04A) is a robust steel frame holder designed to securely mount desktop PCs weighing up to 66 lbs beneath your desk. With adjustable height (14-22 inches) and width (5-10 inches), it fits most PC cases while saving floor space and protecting your equipment from dust, spills, and scratches. Its open-frame design enhances airflow for better cooling, and padded supports prevent damage, making it an ideal solution for professionals seeking a clean, efficient, and durable workspace setup.

Specifications

ASIN	B07DWKHWPB
Assembly Required	Yes
Brand	VIVO
Brand Name	VIVO
Compatible Devices	Desktop
Customer Reviews	4.6 out of 5 stars 1,053 Reviews
Global Trade Identification Number	00818538022612
Manufacturer	vivo
Manufacturer Part Number	MOUNT-PC04A
Model Number	MOUNT-PC04A
Mounting Type	Tabletop
Number of Items	1
Size	Large
UPC	818538022612

Reviews

R**L

Buena calidad

Excelente opción para escritorios elevables

14.04.2026

J**Y

Product failure

The desktop weighs around 15kg but the screws weren't enough to hold it. My desktop fell on the floor as I was working, as you can imagine I'm not very happy with it right now.

12.08.2025

S**U

天板の強度を確認し重量分散すれば大丈夫

このレビューは前提としてメーカーが保証しないような合板に取り付けています、ご参考までに。品質は確かでかなり重量があるので、合板に4本のビスだけでPC支えるのは無理だと判断し、支えるビスを増やして重量負担を分散して取り付けました。合板でもデスク下さえ加工すれば重たいミドルタワーでも今のところガッチリ支えられてます。メーカー推奨されている天板なら大丈夫だと思いますが、メーカー推奨外であれば加工は必須です。おかげで掃除もPCメンテナンスも楽になりました。

2.11.2025

S**K

5/5

Awesome! Heavy duty and carries my heavy case perfectly under the desk.

30.04.2026

H**I

well made and simple assembly

works as intended and very easy assembly, mounted on a NZXT H7 Flow 2024 which is rather high but no issue there! clear instructions and a well made product

2.01.2026

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