Answer:
1. Identify the Parts
| Motherboard Tray Spacer | No mounting holes; adjusts vertical clearance for the motherboard/GPU |  |
| GPU Mounting Strut | Aluminum post with through-holes; secures your graphics card to the chassis. |  |
2. Default Motherboard Tray Spacer (87 mm, 3-Slot)
The factory-installed spacer on the motherboard tray is 87 mm high (fits standard 3-slot GPU widths).
3. Four-Slot Motherboard Tray Spacer (68 mm, 4-Slot)
To accommodate a four-slot GPU or the alternate tray position, swap the 87 mm spacer for the 68 mm spacer included in your accessory kit.
4. Factory-Installed GPU Mounting Strut (75 mm)
The chassis comes pre-fitted with a 75 mm PCI-Mount that supports most graphics cards.
5. Optional Short GPU Mounting Strut (60 mm)
- If your GPU’s DP/HDMI ports are too close to the rear bracket and interfere with the standard mount, replace the 75 mm strut with the 60 mm version.
- Because 60 mm strut is used infrequently, it is available separately through our official website accessories store to prevent unnecessary waste.
Compatibility Note
All Meshroom S and Meshlicious series models share the same spacer and strut system; only the accessory kit contents vary by chassis model.
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