Yeah I've got the same case as you
You could also route an esata cable and molex power cord to one of the open slots too, it's what I've done. Just because taking the side of the case off every time I want to format another drive or check what's on one is a pain.
I cut some holes in one of the grills over the 5.25 bays and glued the cables in, then just used a sata to molex power cable to extend the power cord to the desk. End result: a sata cable and power cord resting on my desk neatly routed through my pc, ready for me to plug my drives in
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