Corsair Obsidian 750D Full-Tower ATX Case Review
A Detailed Look – From the Outside
From the outside the Obsidian 750D looks a lot like the 350D and 900D. The overall styling, especially the front panel/bezel area, looks nearly identical except for size. The 750D incorporates a steel chassis with a few plastic and brushed aluminum trim pieces. The case is painted matte black inside and out with black anodized, brushed aluminum trim plates on the front. The riveted SECC chassis is light weight but rigid and the black matte powder coat finish matches the black plastic and aluminum parts well.
The 750D front side includes three external 5.25” optical drive bays at the top and a removable panel at the bottom, which conceals the two front intake fans. Pressing the two top corners of the lower panel releases it and then it just lifts out, exposing the dust filter, which is also easily removed without tools.
An external I/O panel is located at the top of the 750D case and contains:
• Headphone Out
• Microphone In
• System Reset Button
• Main Power Button
• Power and HDD Activity light
• (2) USB 3.0 ports
• (2) USB 2.0 ports
All of the attached wires are nicely labeled.
The left side panel features a large acrylic window. Both side panels are removable and secured with two thumb screws at the back. In practice, both side panels are relatively easy to take off and re-install and fit securely once in place. However, they don’t feel as robust as the 650D side panels and the thumb screws are not as convenient as the 650D’s built-in latches.
The top of the Obsidian 750D case features a large grill area that has numerous fan mounting locations for both air and liquid cooling. The top grill is covered by a large, easy to remove filter, which is held in place with magnetic strips along all four edges.
Looking at the rear of the enclosure reveals a typical ATX-tower style layout with the power supply mounted at the bottom of the enclosure instead of the top. A 140mm exhaust fan comes pre-installed and there are two pop-out openings below the fan for routing external liquid-cooling hoses in and out of the chassis if desired. Be careful though, if you punch out the knock-out plugs to route water-cooling hoses, it will leave potentially sharp edges – a couple nice grommetted holes would have been nicer. The grill area at the top reveals an extra couple inches in height.
All of the expansion card brackets contain ventilation slots to allow warm air to exhaust out the rear of the case and are secured with thumb screws.
Flipping the 750D case upside down exposes four rubber feet, two more optional fan locations, and a large dust filter for the power supply air intake area. The filter slides in from the back and fits into guide rails so it can be easily removed and cleaned.
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