Buying Guide

The Best Under-Desk Gaming PC Mounts for a Cleaner, More Useful Desk

We looked at 4 under-desk gaming PC mounts side by side, with the trade-offs that separate them and who each one suits.

By Jamie Cole, Lead Product Researcher

9 min read4 products evaluated

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Gaming PCs frequently feature RGB lighting and tempered-glass side panels specifically meant to be visible, and mounting one under the desk puts it out of sight, worth addressing this tension honestly rather than presenting under-desk mounting as a universal positive if showing off your build's aesthetic was part of the purchase motivation.

Gaming towers are disproportionately likely to be heavy given multi-GPU setups, large cooling hardware, and extra drives, worth verifying mount capacity against realistic high-end gaming tower weights rather than a generic mid-tower assumption, and gaming PCs generate substantial heat under sustained load, worth considering that enclosed under-desk placement traps warm air near the floor with more limited airflow, the heaviest realistic thermal load of any PC type in this cluster.

Quick Picks

Our 4 recommendations at a glance. Tap a pick for the full verdict.

  1. Best Gaming PC Mount Overall

    VIVO Heavy Duty Adjustable Under-Desk PC Mount, Supports up to 66 lbs, MOUNT-PC04B

    Buyers with a heavy gaming tower prioritizing secure locking capacity

    Our take Check price for VIVO Heavy Duty Adjustable Under-Desk PC Mount, Supports up to 66 lbs, MOUNT-PC04B (opens in a new tab)

  2. Best High-Capacity Gaming Pick

    Heavy Duty Under Desk PC Holder, Up to 77 lbs Load Capacity, Adjustable Computer Tower Holder

    Buyers with a high-end multi-GPU gaming tower needing maximum disclosed capacity

    Our take Check price for Heavy Duty Under Desk PC Holder, Up to 77 lbs Load Capacity, Adjustable Computer Tower Holder (opens in a new tab)

  3. Best Orientation-Flexible Gaming Pick

    PUTORSEN Under Desk PC Mount for Full/Mid-Tower Cases, Vertical/Horizontal CPU Holder up to 77 lbs

    Budget-conscious buyers wanting orientation flexibility for a full-tower gaming case

    Our take Check price for PUTORSEN Under Desk PC Mount for Full/Mid-Tower Cases, Vertical/Horizontal CPU Holder up to 77 lbs (opens in a new tab)

  4. Best Highest-Rated Gaming Pick

    Heavy Duty Under Desk PC Mount, Height Adjustable, Max Load 66 lbs, Black

    Buyers wanting the strongest-rated mount for a standard gaming mid-tower

    Our take Check price for Heavy Duty Under Desk PC Mount, Height Adjustable, Max Load 66 lbs, Black (opens in a new tab)

Our Picks

VIVO Heavy Duty Adjustable Under-Desk PC Mount, Supports up to 66 lbs, MOUNT-PC04B

Best Gaming PC Mount Overall1 of 4

VIVO Heavy Duty Adjustable Under-Desk PC Mount, Supports up to 66 lbs, MOUNT-PC04B on Amazon (opens in a new tab)

\n\nBefore mounting a showcase gaming build under the desk, weigh honestly whether hiding RGB lighting and a tempered-glass panel out of sight actually fits your reasons for buying that build in the first place.

Best for

Buyers with a heavy gaming tower prioritizing secure locking capacity

Why we like it

It leads this comparison on the strength of its balance between price and disclosed capacity, and it's worth weighing directly against the Heavy Duty Under Desk PC Holder before deciding.

On the other side, Under-desk placement hides RGB and glass-panel aesthetics you may have paid extra for.

Key dimensions & specs

  • Up to 66 lbs capacity
  • Secure locking mechanism
  • Mid-range price

Pros

  • 66lb capacity suits a heavy multi-GPU gaming tower
  • Secure locking mechanism beyond simple friction
  • Adjustable fit for varied case sizes

Cons

  • Under-desk placement hides RGB and glass-panel aesthetics you may have paid extra for
  • Verify sustained gaming-load thermal performance in the enclosed space
  • Additional RGB and lighting-control cables add real cable-management complexity
Heavy Duty Under Desk PC Holder, Up to 77 lbs Load Capacity, Adjustable Computer Tower Holder

Best High-Capacity Gaming Pick2 of 4

Heavy Duty Under Desk PC Holder, Up to 77 lbs Load Capacity, Adjustable Computer Tower Holder on Amazon (opens in a new tab)

\n\nGaming PCs under sustained load generate the heaviest realistic thermal output of any PC type in this cluster, worth checking your case's specific cooling design tolerates the more limited airflow of an enclosed under-desk location during long gaming sessions.

Best for

Buyers with a high-end multi-GPU gaming tower needing maximum disclosed capacity

Why we like it

Set against the VIVO Heavy Duty Adjustable Under, the tradeoff here comes down to price versus disclosed weight capacity, not a straightforward upgrade or downgrade either way.

On the other side, Enclosed under-desk placement adds real thermal risk under sustained gaming load.

Key dimensions & specs

  • Up to 77 lbs capacity
  • Adjustable width design
  • Strong rating

Pros

  • Highest disclosed capacity for the heaviest multi-GPU gaming towers
  • Adjustable fit for varied case widths
  • Reasonable price for the stated capacity

Cons

  • Enclosed under-desk placement adds real thermal risk under sustained gaming load
  • Hides RGB and tempered-glass aesthetics out of sight
  • Wireless peripheral dongles sit farther from your desk surface, verify signal reliability
PUTORSEN Under Desk PC Mount for Full/Mid-Tower Cases, Vertical/Horizontal CPU Holder up to 77 lbs

Best Orientation-Flexible Gaming Pick3 of 4

PUTORSEN Under Desk PC Mount for Full/Mid-Tower Cases, Vertical/Horizontal CPU Holder up to 77 lbs on Amazon (opens in a new tab)

\n\nIf your gaming tower carries a heavy graphics card, note that horizontal mounting can shift GPU sag differently since gravity now pulls in a different direction relative to the PCIe slot, worth weighing against vertical mounting for a GPU-heavy build.

Best for

Budget-conscious buyers wanting orientation flexibility for a full-tower gaming case

Why we like it

Relative to the Heavy Duty Under Desk PC Holder, this pick leans toward a different priority, whether that's a higher capacity rating, a lower price, or a mounting method suited to a different install situation.

On the other side, Horizontal orientation needs meaningfully more under-desk clearance.

Key dimensions & specs

  • Vertical or horizontal orientation
  • Up to 77 lbs capacity
  • Full/mid-tower compatible
  • low-cost price

Pros

  • High 77lb capacity at the lowest price in this guide
  • Orientation flexibility for varied under-desk layouts
  • Fits full and mid-tower gaming cases
  • Solid rating for the price point

Cons

  • Horizontal orientation needs meaningfully more under-desk clearance
  • Heavy GPU sag risk differs in horizontal mode
Heavy Duty Under Desk PC Mount, Height Adjustable, Max Load 66 lbs, Black

Best Highest-Rated Gaming Pick4 of 4

Heavy Duty Under Desk PC Mount, Height Adjustable, Max Load 66 lbs, Black on Amazon (opens in a new tab)

\n\nAdditional RGB and lighting-control cables add real cable-management complexity beyond a standard PC's cable count, plan routing carefully before mounting a fully RGB-equipped build out of sight under the desk.

Best for

Buyers wanting the strongest-rated mount for a standard gaming mid-tower

Why we like it

Compared with the PUTORSEN Under Desk PC Mount for Full/Mid above, this pick trades some of that pick's proven track record for a different balance of price and capacity, worth weighing against your own priorities.

Key dimensions & specs

  • Max 66 lbs capacity
  • Height adjustable
  • Highest average rating
  • Compact footprint

Pros

  • Highest average rating in this guide
  • 66lb capacity suits most loaded gaming mid-towers
  • Height adjustable for varied case sizes
  • Compact footprint under the desk

Cons

  • RGB and lighting cables add real cable-management complexity when mounted
  • Hides a showcase RGB build's aesthetics out of sight

How We Chose These Under-Desk Gaming PC Mounts

Each pick was assessed across 4 criteria weighted for real-world use.

RGB and glass-panel visibility tension addressed honestly
Addressed honestly that under-desk mounting hides RGB lighting and tempered-glass panels specifically meant to be visible, rather than presenting under-desk mounting as a universal positive for gaming PC owners.
Capacity checked against realistic high-end gaming tower weights
Checked mount capacity against realistic high-end gaming tower weights, multi-GPU setups, large cooling hardware, and extra drives, beyond the generic mid-tower assumption.
Sustained gaming-load thermal impact weighted heavily
Weighted the thermal impact of enclosed under-desk placement under sustained gaming load, the heaviest realistic thermal load of any PC type in this cluster, more heavily than for lighter-use PCs.
Wireless peripheral signal distance and cable complexity noted
Noted that under-desk placement increases distance between the mounted PC's wireless dongles and desk-surface peripherals, and that additional RGB and lighting cables add real cable-management complexity.

What to Look for in an Under-Desk Gaming PC Mount

Key buying criteria so you get the right fit the first time.

  1. Weigh your loaded tower, not its size category

    A mount's weight rating is a number on a spec sheet, and it's almost always tested against a generic mid-tower case with nothing installed, not the fully loaded tower you actually own once drives, a full-size power supply, and any add-in cards are factored in.

    That gap matters because a case that looks like a standard mid-tower on the shelf can weigh well beyond a budget mount's rated capacity once it's actually built out, and an overloaded mount risks failing or sagging over time rather than failing outright on day one.

    Before buying, weigh or estimate your tower's real loaded weight, and check the mount's listing for the exact tested capacity figure rather than trusting a vague phrase like "heavy duty" with no number attached.

  2. Check the mounting method against your desk's construction

    Under-desk mounts attach in one of two ways: screwed directly into the underside of the desk, or clamped on without any drilling.

    Which one applies to you depends on whether you're allowed to drill into the desk at all, a real constraint for renters, office furniture, or a desk you don't want to damage, and clamp-on designs solve that but generally top out at a lower weight capacity than a screwed bracket.

    Check the listing for the desk thickness range a clamp-on mount actually supports, since a desktop that's thicker or thinner than the clamp's rated range simply won't grip securely.

  3. Plan rear-IO and cable access before you mount, not after

    Once a tower is mounted under the desk, reaching the rear panel to plug in a new peripheral, swap a cable, or troubleshoot a connection becomes meaningfully harder than it was when the case sat in the open on the desk-side floor.

    This is worth thinking through before installation, not after, because the fix at that point is usually a full unmount rather than a quick adjustment.

    Decide which direction the case's rear panel will face relative to where you sit, and favor a mount that lets you slide or swivel the tower out partway without fully removing it.

  4. Factor in the thermal tradeoff of under-desk placement

    Moving a tower off the desktop and into the enclosed space under the desk changes its airflow environment, since that space traps warmer air near the floor with less open circulation than desk-side placement gets.

    This tradeoff matters more for a build generating real heat, a discrete GPU or several drives under sustained load, and less for a lighter general-use machine that rarely pushes hard.

    Check whether the mount design leaves open space around the case rather than boxing it in tightly, since that gap is what keeps the thermal impact manageable.

  5. Confirm the bracket adjustability matches your case dimensions

    An adjustable mount uses sliding rails or an expandable frame so it can grip cases across a range of widths and heights, rather than fitting only one exact case size.

    This matters because a fixed-size bracket that's a poor match for your tower either won't close securely around it or will grip with too much slack, and either failure mode risks the case shifting or dropping over time.

    Check the listing for the actual adjustable range in inches, and measure your tower's width and depth against that range before assuming any mount labeled "adjustable" will automatically fit.

How to Choose an Under-Desk Gaming PC Mount

Heavy Duty Under Desk PC Holder
PUTORSEN Under Desk PC Mount for Full/Mid
VIVO Heavy Duty Adjustable Under

PUTORSEN Under Desk PC Mount for Full/Mid
VIVO Heavy Duty Adjustable Under

Heavy Duty Under Desk PC Holder vs Heavy Duty Under Desk PC Mount

Heavy Duty Under Desk PC Holder
Rated for a higher disclosed weight capacity, worth it if your tower is a heavier modern build with multiple drives or a full power supply.
Heavy Duty Under Desk PC Mount
A lighter-duty rating that's still enough for a standard mid-tower case, usually at a lower price.

Most buyers with a standard mid-tower should default to Heavy Duty Under Desk PC Mount unless their case is heavier than average.

Heavy Duty Under Desk PC Holder
PUTORSEN Under Desk PC Mount for Full/Mid

For a Heavier Modern Tower Specifically

A disclosed weight capacity meaningfully above the generic mid-tower assumption, ideally with the tested figure stated in pounds, not a vague marketing term.
Heavy Duty Under Desk PC Holder discloses the highest capacity at 77 lbs.

Your tower is a heavier modern build with multiple drives or a discrete GPU, where VIVO Heavy Duty Adjustable Under's higher price buys real capacity headroom over the cheaper picks.
Your case is a lightweight, standard mid-tower, where PUTORSEN Under Desk PC Mount for Full/Mid covers the same job at a lower price.

Frequently Asked Questions

Does mounting my gaming PC under the desk hide the RGB lighting?

Yes, this directly conflicts with the visibility purpose of RGB and tempered-glass builds, worth weighing honestly if showing off your build mattered when you bought it.

Can an under-desk mount actually hold a heavy multi-GPU gaming tower?

Check the disclosed capacity against your build's realistic weight, gaming towers with multi-GPU setups and large cooling hardware are disproportionately heavier than a generic mid-tower assumption.

Does under-desk mounting affect gaming PC temperatures?

It can, enclosed under-desk placement traps warm air with more limited airflow than open desk-side placement, and gaming PCs generate substantial heat under sustained load.

Will my wireless mouse and keyboard still work well with the PC mounted under the desk?

4GHz signal reliability in some setups, worth testing after installation.

Bottom Line

Best overall: VIVO Heavy Duty Adjustable Under-Desk PC Mount, Supports up to 66 lbs, MOUNT-PC04B — best gaming pc mount overall pick in this roundup. See the full verdicts above for every pick, with pros, cons and who each one suits.

Browse all under-desk gaming pc mounts on Amazon — Prime-eligible options with current pricing.