A Detailed Look (Inside)

With the side covers removed we can get a good look inside the case.  The left side panel uses two captive thumb screws to hold it in position while the right side panel uses two standard machine screws.  The default layout is for the ATX format but it can be reconfigured for BTX.

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A second 120mm fan (also 1,300 rpm but without LED lights) is mounted on the backside, which together with the power supply, exhausts warm internal case air out the back of the case to help keep all the internal bits cool.  Below the fan are seven expansion slots, each fitted with a tool-less retention clip.  Thermaltake also provides standard mounting screws, which generally provide a more secure mount for most cards.

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The motherboard tray is not removable and because it is designed to mount both ATX and BTX style boards, comes with clear mylar insulating pieces (highlighted) to prevent short circuits when installing an ATX motherboard.

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All of the aluminum drive cages are mounted down the front of the enclosure: (5) 5.25′ bays at the top, (1) 3.5′ external, (4) 3.5′ HDD bays in the middle, and (1) 5.25′ bay at the bottom.  I like this lower 5.25′ bay location, particularly for mounting one of the external break-out boxes that come with some sound cards.

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The 3.5′ HDD cage is removable and can also be repositioned into three of the upper 5.25′ bays (BTX configuration).  When used like this, an optional 120mm fan can be added to the front of the HDD cage for extra cooling.

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As mentioned earlier, the vertical 5.25′ bay beside the front cooling fan was designed especially for mounting a single WD Raptor X HDD so that you can see the internal workings thru the clear side window.  Doing so requires an optional Raptor X upgrade kit (P/N A2407).

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The Armor Jr. enclosure is well suited for use with a number of water-cooling kits including Thermaltake’s own: AquaBay M1, AquaBay M2, and Big Water 735.  Relocating the HDD cage into the upper 5.25′ drive bay area frees up a lot of room down in the front corner for pumps, reservoirs and radiators.

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All of the I/O cables and control wiring come with clearly labeled connectors to assist in attaching them to the motherboard headers and are a good length for this case.

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