Thermaltake Core G21 Chassis Review

Complete System

With everything installed, you can really appreciate just how much space there is within the chassis. Everything looks neat and tidy, and there’s room to spare in any section for more hardware, water cooling pumps and radiators, and more.

I do think the cable routing space is a little limited, and it certainly won’t get easier with a pair of 3.5″ HDDs installed. That being said, the chunky cables of our be quiet! PSU didn’t help, and picking one with long, flat and fully modular cables should easy the installation process quite a bit.

The PSU shroud serves a few purposes, and it does a great job of keeping the overall build looking neat and tidy. Of course, those dedicated 2.5″ HDD mounts look great too, putting your SSDs right up front where you can show them off. Towards the right edge, there’s also a small cable pass through, making it cleaner to route the PSU cables to the side of your GPU.

Room for multiple graphics cards

There’s more than enough room here for multiple expansion cards too. Of course, that’s great news for those using multiple GPUs or other PCIe expansion cards. There’s just enough width to the chassis that routing water cooling hardware to any expansion cards shouldn’t be a problem either.

Longer graphics cards will certainly fit with ease, and as I said before, a thick radiator in the front shouldn’t cause any issues either.

The Noctua NH-D15S is one of the biggest air coolers on the market, but it fits in the chassis with plenty of room to spare. I doubt you would get more than a single fan on the top chassis mount. However, you could top-mount a 120/140mm AIO if required.

With all the panels back in place, you can see just how important clean cable management is with this chassis. Everything is very exposed and if you’re eager to show off all of your hardware, you’ll certainly get to do so with this build.

Overall, this is one stunning looking chassis. If anything, I think it’s quite simplistic in terms of design, but that only further draws your eyes to the hardware rather than the chassis, which I like. It’s quite understated overall, although that would quickly change if you throw in some RGB/LED lighting to your build.