
Top down view

Left side view

Left side 60mm fan

I/O area
Opening the case up is as easy as unscrewing three screws from the back of the case and sliding the cover off. The next step is removing the Drive support bar by unscrewing the three screws holding it in place and removing the support. Push on the tabs holding the front panel in place to remove it from the front of the case.

Left side view

Rear top view

120W PSU)

PSU label
The motherboard tray is now accessible. There are standoff mounting holes for Mini-ITX motherboards and installing it is easy having previously removed the support bar and PSU from the case. Due to the thickness of the case and the expansion options of most Mini-ITX motherboards, there isn’t room for a PCI slot on the case.
 Top cover
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 Dust filter
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Moving on to the drives, the SD100 can handle a single 5.25” Slimline DVD drive and a single 3.5” HDD on the support bar. Thermaltake includes a 120W PSU, so high TDP CPUs like the AMD Phenom II X4 975 are not recommended as they can use 125W by themselves. Atom or low-energy AMD CPUs are a great fit for this case however, and this case provides enough power to supply a Mini-ITX motherboard and CPU power.