Internal structure
And here we can expect a colorful mix of standard hardware and proprietary parts. The general motherboard layout should be known, but the form factor is exactly adapted to the case.
To save some space Shuttle uses a 1U power supply, which is normally found in servers. In the “Plus” version of the SH570R6 a 500 Watt power supply is installed, here a FSP500-50FDB with 80+ Gold efficiency. There is some space in front of the power supply to store unused cables. A presumably sharp edge on the top of the inner structure is covered with an elongated rubber guard, on which the removable side panels also rest.
Interestingly, the cable assembly specified in themanufacturer’s datasheetdiffers </x-1>from what we have here. Available are: 4 + 4 Pin EPS (CPU), 24 Pin ATX (Mainboard), 6 + 6+2 Pin PCIe (GPU), 4x SATA as well as 2x Molex.
Viewed from above, the large bracket for a 5.25″ drive and 2x 3.5″ hard drives dominates the picture. Also clearly visible here is the CPU cooler adapted to the case.
Such a cooling design is seen rather rarely, coldplate and the actual heatsink with fan are a piece apart and are connected by 4 longer heatpipes. The grille protects cables and fingers alike from accidental contact with the fan.
Shuttle specifies a maximum dissipatable TDP of 125 watts, but I dare to doubt whether an i9 11900K (95W) can really be tamed with that. I’ll get to the test results for the comparatively harmless i5 10600 (65W) later.
There is room for expansion cards in the two PCIe slots. Depending on the CPU PCIe 3.0 or 4.0 with 16 lanes and PCIe 3.0 with 4 lanes. The smaller slot is open to the front, so that larger cards can be inserted, but with fewer lanes. If a dual-slot card is installed in the larger port, it will cover the smaller slot. The M2-2230E slot for a WLAN card also finds its place here.
A bit untypical for small systems, but very welcome are the 4 RAM slots. These can be equipped with up to 128 GB. The only other thing to note here is that the two slots on the right are close together compared to the rest.
The voltage converters are covered by a small heatsink, which again makes me doubt a bit about the suitability for a 11900K at continuous load. However, it should be sufficient for the rather realistic operation with a mid-range CPU.
At the very front corner of the motherboard is the connector for a PCIe 3.0, 4.0 or SATA SSD with a form factor of up to 2280M
And because that was a lot and still not everything, here is a complete overview of the motherboard with all details:
Besides all the options for modern I/O, one thing stands out: The possibility to add an RS323 COM port, the corresponding opening at the back of the system is even available. Certainly useful, as many industrial machines still use this port and in my experience the available USB adapters are often capricious.
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