How do I remove the PCIe slot covers from my CoolerMaster MasterBox MB600?

April 29, 2025 5 answers
Asked by GamerNinja99
I'm building my first PC and thought my CoolerMaster MasterBox MB600 case would have screws or a panel to cover the PCIe slot covers, similar to what I've seen in many YouTube videos. It seems that's not how it works here. I'm using a Sapphire Pulse 9070XT graphics card, which I believe is a 3-slot card. Is there any advantage to removing more covers than needed? The case manual doesn't mention the covers, only how to mount the graphics card. I've searched online, looked at threads, and watched videos, but I'm still unclear. From what I gather, it looks like I need to break them out, but I can't see any parts that are obviously designed to break. I have links to photos of the slot covers at the end of this post.

Answers

BuildGuru74
Use a Philips #2 screwdriver! Insert it into the '+' shaped hole and give it a twist to pry it out. Just a heads up, once theyโ€™re out, you canโ€™t put them back, so make sure youโ€™re ready to go! Itโ€™s common for cheaper cases to have these non-replaceable covers. If you want new ones later on, you can find packs of PCI-E covers on Amazon for a few bucks.

GamerNinja99: Thank you for the tip!

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DIYTechie11
Honestly, you just snap them off. Was the case super cheap? They seem pretty outdated now, usually, you see replaceable ones. If you have a flathead screwdriver, that works too! Just be cautious of the sharp edges when they break loose.
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PCWizard88
Yep, those covers just break off. Use a screwdriver to poke the holes and wiggle it around; theyโ€™re only connected by a few weak points, so they should snap easily. Just be careful and watch your fingers!

GamerNinja99: Thank you!

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NerdyBuilder
Bending them back and forth will do the trick. Just make sure to be careful not to damage anything else in the case as you do it!
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TechWhiz32
To remove those PCIe slot covers, you'll need to snap them off. Just bend them back and forth until they break loose; theyโ€™re designed for that. Just keep your fingers clear of any sharp edges.
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