Building a System
First, I installed the power supply. Although the case with easily accommodate a full-sized ATX power supply, I used Silverstone’s modular ST45SF-G. As with the NZXT H440 case I recently reviewed, the non-removable power supply enclosure makes reaching in to attach modular cables difficult, so plug in the cables you expect to need before installing the power supply. An ATX power supply might actually be easier to deal with since the cable connectors would be easier to reach.
With all four motherboard standoffs pre-installed, it takes just a minute to mount the motherboard.
There are four slide-in tool less drive caddies: two for 2.5″ devices and two for 3.5″ devices (you can use 2.5″ drives in the larger caddies, but you must attach them with screws). Here I’m using two 2.5″ devices and one 3.5″ backup drive. The caddies place the drives very close together, and you probably won’t be able to use a standard multi-connector SATA power cable since the “bend” required to attach connectors to adjacent drives is too severe. I used a Molex-SATA adapter with two “straight” connectors.
As with some other cases, the design of the Obsidian 250D requires you to slide in 5.25″ devices from the front. You can’t remove the tray, install the device, and then put the tray back in the case, since the front bezel of your device won’t fit through the case opening from the rear.
And that’s a pity, because instead of the more secure locking mechanism Corsair uses on most of their other cases, the min-ITX 250D uses this single, rather flimsy latch that engages only one of the four possible mounting points of your device. You can’t use screws to secure the device to the tray since that would require removing the tray, which in turn would require re-installing the tray with the device in it, which won’t work as I noted above. The end result is a 5.25″ device that’s loose and moves noticeably when you touch it.
The inside of the case has lots of tie-down points. You’re going to want to use them, since the design of the case leads to a lot of cable clutter in the front. This images also shows how much clearance you’ll have in front of an NVIDIA GTX780 video card. Which is to say: lots.
I have a nice new Corsair H100i 240mm water cooling system to install next.