#Dell perc h200 max drive size install
Then, we install a "low-flow" slot blank in the top slot, and a "high-flow" in the bottom, and don't worry about plating the card itself, but rather just make sure the card is cabled and seated so that there is airflow on all sides, because the RAID controller and cabling are such that the card is not removable without pulling it along with the riser. First, the chassis comes with only four of six possible fans, and the two missing fans are over in the area of the expansion slots. For wiring reasons, I like to put RAID cards in the bottom, leaving the top accessible for ethernet/10G/etc, but a combination of issues means that you have to carefully engineer airflow. Of course, years later, UIO cards are nearly unobtainium and unsupported anyways, so I've been ripping out the UIO risers and putting in a WIO riser instead, that gives two standard PCIe, with the bottom card's PCB roughly in the middle of the chassis.
It's a 1U UIO chassis from Supermicro, a clever but horrible idea that involved reversing the component side of one of the PCIe cards, so that the back of the bottom card is facing the bottom of the chassis, kinda like a "mirror-mirror PCIe". Inside servers you do need to manage airflow.
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