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SilverStone Sugo SG05-450

The Sugo SG05-450 has a much longer history than Corsair's Obsidian 250D. It was announced back in late 2008 but has gone through a number of revisions since then. The latest modification we're discussing here has a larger drive rack (the original only supported one 3.5-inch or two 2.5-inch drives), can accommodate longer graphics cards (254 vs. 230 mm), comes with a higher-wattage and higher-efficiency PSU, and offers USB 3.0 front-panel connectors.

The Sugo SG05-450 differs in size from the Corsair Obsidian 250D as much as the latter from a typical ATX product. The exterior design isn’t as expressive as the Corsair’s, yet looks nice overall.

The metal grid in the front panel gives you a glimpse of the removable dust filter that covers a 120mm fan, but the vents in the side and top panels have no dust protection.

While this is not critical for a working computer (the single intake fan creates high pressure inside the chassis, keeping dust away), dust particles are going to come in freely through the vents as soon as the computer is turned off.

We can see the vent grid of the preinstalled PSU on the back panel. A sticker informs us that the PSU complies with the 80 PLUS Bronze efficiency standard. We’ll discuss the PSU shortly right after we’ve finished with our description of the computer case.

The back panel also has two expansion-slot brackets and an opening for the mainboard’s I/O panel. There is virtually no free space left.

The front panel carries two USB 3.0 ports, microphone and headphones connectors, Power and Reset buttons. The Power indicator is built into the corresponding button whereas the Disk Activity indicator is separate. Both are blue and seem to be too bright to us. They might be distracting at night.

Besides fasteners, a mains cord and a user manual, the bundled accessories include an adapter to connect the front-panel USB 3.0 ports to a mainboard’s USB 2.0 headers, a set of self-adhesive rubber feet, and an optional front-panel faceplate without manufacturer’s logo.

The computer case has no feet by default because it can be oriented in two positions: as in the photos above or turned around by 90 degrees so that the buttons and connectors are at the bottom of the front panel. The optional faceplate is necessary for the second orientation because the SilverStone logo doesn’t look good in that case.

The accessories don’t include an adapter that would help connect a slim optical drive. It is not expensive, but you may not find it in your local store. Such adapters are included with SilverStone’s optical drives, though. We can name the SOB02 BD-RW and SOD02 DVD-RW models as examples.

The interior seems cramped even before you install your drives, mainboard and graphics card. The top part is occupied by the PSU and optical/2.5-inch drive bay. It is only near the expansion-slot brackets that we can find some free space reserved for a graphics card

Below the optical drive bay there is a detachable 3.5-inch drive bay.

Here it is with a hard drive already installed.

This bay is first inserted into the optical drive bay and then is fixed in the chassis with a couple of screws.

The photo above shows the optical drive bay with an installed 2.5-inch SSD. You can see mounting holes for the 3.5-inch drive bay there.

The PSU is fixed with a plate which is fastened with two screws. You have to remove the PSU in order to install your mainboard.

You may have noticed that there’s a lot of things fastened with screws inside the Sugo SG05, so you’re really up to some hard screwdriving with this computer case. It has not a single thumbscrew, actually.

If you don’t mind working with your screwdriver, the assembly process is not going to be very difficult, though. Every connector and fastening point is easy to access if you follow the required sequence of assembly steps.

Particularly, you have to connect your drives either prior to installing your graphics card or with the 2.5/3.5-inch bays taken out. If you fix your drives in their bays, fasten the bays in the chassis and install your graphics card, you just won’t be able to reach the drives’ power connectors!

As a minor downside, the bundled PSU has too long cables (even if we take into account that other mainboards may vary in their component layout). Considering that the PSU is actually designed for the specific computer case, its cables might be better sized. It is no good to waste the limited interior space of the chassis for excess cables.

The photo above gives you a notion of how much space there is for a CPU cooler. Of course, tower-design coolers can’t fit in at all but there are quite a lot of coolers up to 82 mm tall (the manufacturer guarantees compatibility with such models but the free space is about 90 mm according to our own measurements). We guess you can easily find a cooler that will be optimal in terms of performance, quietness and price.

As we mentioned above, the manufacturer guarantees compatibility with graphics cards up to 10 inches (254 millimeters) long. Our measurements suggest that the Sugo SG05-450 can actually accommodate even longer cards. There is a photo on the web where it houses a reference Nvidia GeForce GTX 680, which is as long as 265 millimeters.

The Sugo SG05-450 is cooled by a single 120mm fan with a specified speed of 1200 RPM. It rotates at 1100 RPM according to our tools, which fits into the typical 10% tolerance. Thus, this computer case is quieter than its opponent by default.

We’ll see in our tests how efficiently the Sugo SG05-450 is ventilated, yet it seems to ensure better conditions for drives than the Corsair. Its HDD and SSD bays are much closer to the fan.

The assembled Sugo SG05 looks humble, yet cute overall.


  • Very small dimensions
  • Allows building a top-performance configuration
  • Clever ventilation


  • Rather difficult assembly procedure
  • Poor protection from dust
  • Too long cables of the preinstalled PSU
  • No slimline SATA adapter for an optical drive among the accessories
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