Corsair Obsidian 650D Midtower Chassis
Author: Shawn Knight
Editor: Zahn Funk
Date: 06-09-2011
Provided by: Corsair

The 650D is a solid black steel chassis with an aluminum front bezel. There are four 5 1/4" external drive bays on the front bezel. The 5th drive bay is occupied by an I/O panel with a door that features two USB 3.0 ports, headphone and microphone jacks, two USB 2.0 ports, a FireWire jack and a reset button. Just to the left of the I/O panel on the outside of the door is the power button and HDD activity LED.

Below the expansion bays is a large intake with a removable grill. To remove the grill, press against the top two corners and it will fall into your hands. There is a mesh dust filter built into the grill, although it isn't easily removable from the grill. No worries though as you can just clean the grill / filter as one unit. Behind the grill is a massive 200mm intake fan, one of two 200mm fans included with the 650D.

The left side panel features a large vertical window that only showcases the motherboard and power supply area, effectively blanking out the non-descript internal drive bays from sight. The shape of the window and trim around the edge is a throwback to early DIY window mods and looks great on this chassis. At the top of the panel are two levers which are used to remove the panel. If memory serves me correctly, this is the first case I have seen with the latches on the side panel and not at the rear of the case. I actually quite like this as you don't have to reach around behind the case to remove the panel. Some may find that this takes away from the clean lines of the case but I don't mind it.

Looking at the rear of the case, we see a slot cut near the top. This is used to pass the USB 3.0 cables through the case from the front I/O panel. Unfortunately Corsair went with the pass-through method rather than include USB 3.0 headers that would plug directly into a newer motherboard.

Moving down, we find a 120mm exhaust fan, an I/O area with eight slots, two large water cooling tubing holes and a space at the bottom to mount the power supply. Since the side panels don't open from the rear, there is no way to lock the panels in place like we have seen on other cases. We also see that the right side panel features the same latch mechanisms.

On the bottom of the case are two horizontal feet; one at the front and one at the back. The weird thing is that the horizontal bar at the back feature slick Teflon-style feet while the ones at the front use very grippy rubber feet. This means the back end of the case can slide around on a desk rather easily while the front stays planted. I'm not sure I understand the reasoning here. Furthermore this proved difficult while taking photos as sliding the grippy feet across my white photo table left black marks all over it.

Feet aside, there is a removable dust filter that covers the intake for the power supply opening. This slides out the back of the case and can easily be cleaned.

At the top of the case is a built-in hard drive docking station and a fan controller. The docking station accepts 3.5" and 2.5" drives while the fan controller is wired to control up to four 3-pin fans and has three settings. There is a retractable door that can be closed to cover the dock / fan controller. These are all great features, especially the hard drive dock. I was a bit sad that Corsair had to get rid of the hot swap bays from the 800D but this is essentially the same thing in a single drive format.

Above the motherboard area is another large 200mm exhaust fan. This is one of three fans included with the case; the other two are the front 200mm intake and the rear 120mm exhaust.

Let's move ahead and check out the inside of the 650D.

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