Supermicro CSE-847BA-R1K23LPB

SuperMicro 35

4U chassis - supports for maximum motherboard sizes: 13.68" x 13", E-ATX, ATX motherboards
36 x 3.5" hot-swap HDD bays for server chassis
12-port 2U SAS 6Gbps direct-attached backplane, support up to 12x 3.5-inch SAS2/SATA3 HDD/SSD
24-port 4U SAS 6Gbps direct-attached backplane, support up to 24x 3.5-inch SAS2/SATA3 HDD/SSD
1U 1200W/1000W Titanium Power Supply W/PMbus W76xL336xH40mm