The total vent area is about 36 cm. On the right, the grid is 20 x 20 in an area about 80 x 90 mm. The total vent area is also 36 cm. Why the more concentrated hole pattern on the right and the more spread-out pattern on the left? The back panel is clean and tidy, like the front. The power supply looks almost like a conventional ATX model, shrunk slightly. Four nicely designed feet with soft rubber centers are located at the corners of the bottom of the case.
They seem soft enough to help minimize vibration transfer from the XC Cube into whatever structure it is placed on. There are no vent openings in the bottom of the case. The interior is neat, tidy and well laid out with plenty of room to work. Extensive cable management with plastic zap straps and cable sleeving routed along the metal channels of the all-aluminum interior skeleton keeps wire clutter to an absolute minimum.
The removable drive cage makes it especially handy to get access to everything directly. Tidy layout and great cable management for ease of installation.
The drives get in the way otherwise, as the photo below shows. The first step for assembly is to remove the drive cage assembly by undoing two screws, slipping it back just a bit from the flange in front, then lifting off. Removing the drive cage gives easy access for CPU, heatsink and memory installation.
The drive cage is a nicely designed integrated structure that holds all the drives. Ideally the drives should be installed in the cage, and then the populated cage dropped in place in the chassis. The external 5. Access to the 5. Cage for all the drives. A single thumbscrew allows the bottom mounted HDD to be removed even after the cage is installed in the case.
The correct position is in-between the last two screw holes. I had to leave out the screws out in order to allow the eject button to work properly. This is probably because the eject button on different drives are at slightly different height.
Mounting screw slots instead of holes would solve this problem. AOpen might say using one of their optical drives would be a better solution. The base is flat and smooth, though not in the champion class. The built-in clips are simple to use and quite secure.
It is installed, as shown in the photo above, with the fan on the left side of the case. Several benefits can arise from this side-to-side airflow arrangement:. Lo and behold! Remember those side vent holes mentioned earlier? One of them is right where the exhaust from the fan on the heatsink goes. Here are two thermal airflow simulations from AOpen that show what apparently happens with the system in operation.
The outside air is drawn in through the large pattern openings on the left near the front. The CPU fan blows the air through the heatsink fins and directly out the right side vent just on the other side. It is a custom size that does not fit any standard form factor, as far as I can tell. It does use an 80mm fan whose speed is thermally controlled. A label on the PSU provides the following specs:. Note that the current for the individual voltage lines have almost no bearing whatsoever on the total available output power.
A drive image was used to have exactly the same setup on the two drives. The assembly went very smoothly, with the logical open layout, and the multiple photos and step-by-step instructions provided in the manual. The basic approach is:. Install the drives in it. The external drives require depth adjustment to line up just so in the case, so leave them unbolted for now. There is a waxy layer of thermal interface material on the base of the CPU cooler, similar to what Intel uses on their stock heatsinks.
I chose to remove this in favour of Arctic Silver 3 , applied as per AS directions. Then the heatsink was installed — a very simple task. This was made super simple because of the excellent cable management — everything was already right there in there right place. The only cable I had to rout was the SATA drive cable, which was looped around the drive to the front.
A little shaping of the somewhat stiff cable friction-fit it nicely into place, then all was set to go. As you can imagine from the above description, it was a quick and painless procedure. AOpen has to be commended for their excellent layout, cable management and friendly manual. Almost anyone who can handle a screwdriver can probably handle this assembly. This is a full-blown enthusiast style BIOS with a huge range of options for all the parameters you could wish for.
Such devices were used in AMD motherboards when the Athlon first appeared. They did not have an embedded thermal diode in the die, so motherboards were equipped with these external thermal sensors. An unsatisfactory problem because the external casing temperature is not the same as the core temperature, and the relationship between them is not linear.
In any case, a temp-diode was integrated into the AMD XP chips, and current generation AMD-socket motherboards do not feature the external socket temp sensor. The Intel P4 was equipped from day one with an internal temp diode, so why this AOpen board features an external sensor in the CPU socket is a mystery. I could be mistaken about what the thing is… AOpen did not get back in time with an explanation before this article was posted.
This model was one of those discontinued by Intel in their latest price announcement. Undoubtedly, some will complain that the Ti is not tops for performance. The space restrictions are such that cooling will be an issue with VGA cards pumping 60W of heat and more. The Ti also runs rings around ANY video card integrated into a motherboard; it serves well enough for our purposes. A simple suspension with elastic cord was tried, with results similar to that achieved in the Shuttle: Virtual elimination of the humming noise.
The other data in this table was obtained with the AOpen SilenTek thermal fan control utility. Motherboard Monitor could not be configured to work properly with this system. The accuracy of the temperatures reported are in question. Hopefully, AOpen will tell us.
In any case, none of the numbers are cause for alarm, the power draw is very modest, as are the reported temperatures. The HDD temps are surprisingly low, considering the tight space. Heat conduction to the aluminum chassis must be a factor. The fan speed ramp up is audible, but not much. More on noise later. The raw numbers from those benchmarks are thus not directly comparable, but the same comparative references are provided in each test, which should help keep things in perspective.
The CPU score here is directly related to clock speed. You knew this one would be bad. As one reviewer once wrote, I probably misquote, the only thing extreme about it is how extremely slow it is. No surprises. This config performs very similarly to the Shuttle in the multimedia benchmarks. There may be no real difference. With a simple elastic cord suspension of the hard drive , the overall noise comes down to excellent low levels. The improvement from the HDD suspension is subjectively much more significant than seen in the SPL measurements below, because the more irritating hummmm noise is pretty much gone, and most of the remaining noise is the more benign whoosh of wind turbulence.
With the drive suspended, however, the acoustics stay pretty low. In contrast, the Shuttle does not have this problem, not going up in noise level even under prolong stress. Obviously this is only one of many powerful component combinations that could be used in the XC Cube. Given the lack of room to maneuver, there is only one way: Tilt it back so the ports on the VGA card are free of the opening in the case, then pull up on the back of the card. Mortuary Body Hoist. Please take a moment to read our privacy policy.
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