https://www.supermicro.com/products/motherboard/Xeon/C236_C232/X11SSL-F.cfm
https://www.supermicro.com/products/chassis/3U/836/SC836BE16-R920B
Supermicro CSE-836BE16-R920B/ X11SSL-F
1. Optimized chassis cooling with redundant cooling fans and adjustable air shroud
2. 16x 3.5" hot-swap drive bays supporting SAS2 or SATA3 HDDs with 6Gbps throughput
3. Redundant (1+1) 920W Platinum Level (94%) high efficiency power supplies
4. E16: Single SAS2 (6Gbps) expander backplane; E26: Dual SAS2 (6Gbps) expanders backplane
5. Up to 20 hot-swap drives with optional slim floppy/DVD sizes and rear 2.5" drive bays