Normal
You can drill holes on the front side of the cover, but I'm not sure you can put 90mm or 120mm fan in front.. You'll need to remove much of the front internal structure (since the fan itself will be located across the motherboard & GPU area). Not sure if it's going to work.However.. Based on the CPU cooler height, 2.5" drive dimension and motherboard standoff height, perhaps a 60mm front fan will fit on the motherboard area only. And yes you'll still need to drill the holes
You can drill holes on the front side of the cover, but I'm not sure you can put 90mm or 120mm fan in front.. You'll need to remove much of the front internal structure (since the fan itself will be located across the motherboard & GPU area). Not sure if it's going to work.
However.. Based on the CPU cooler height, 2.5" drive dimension and motherboard standoff height, perhaps a 60mm front fan will fit on the motherboard area only. And yes you'll still need to drill the holes