Quick Summary
ALAMENGDA Open Computer Case DIY PC Test Bench (ATX) is an open air PC case and motherboard test stand for ATX builds. It is described with support for front and back installation of an ATX power supply, support for up to 256MM graphics cards, and a 1mm thick steel plate.
The open design can be used standing or lying down, which gives you more flexibility in how you position the bench during testing or assembly.
Who It Is Best For
This is aimed at buyers who want an open test bench for an ATX motherboard setup and need a case that can be positioned standing or lying down. It also suits anyone checking a graphics card up to the stated 256MM limit or planning a build that uses 360MM water cooling.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Open computer case and DIY PC test bench for ATX builds. |
| Power supply installation | Supports front and back installation of an ATX power supply, which is relevant when planning layout. |
| Graphics card support | Supports up to 256MM graphics cards, so the selected card should be checked against this limit. |
| Construction | Processed with 1mm thick steel plate. |
| Positioning | Can stand or lie down, giving flexibility in use and placement. |
| Water cooling support | Supports 360MM water cooling. |
What To Know Before You Buy
Check that your build is ATX and review the graphics card length before ordering. The bench is described as supporting 360MM water cooling, so confirm that this matches your intended setup. If you plan to use the case in a fixed space, the stand-or-lie-down design gives you placement options.
Common Buyer Questions
What type of build is this for?
It is for ATX builds and is described as an open air PC case and motherboard test stand.
Can it be used in more than one position?
Yes. It can stand or lie down.
What graphics card length does it support?
It supports up to 256MM graphics cards, so the card length should be checked before ordering.
Does it support water cooling?
Yes. It supports 360MM water cooling.
Final Buying View
If you need an ATX open test bench with the stated graphics card, power supply and water cooling support, this model gives a clear set of fit checks. Confirm your board, card length and cooling plan before you choose it.














