Supermicro SuperChassis 846BE16-R1K28B (Black)

4U chassis support for max. motherboard size - 13.68 Zoll x 13 Zoll E-ATX, 12 Zoll x 10 Zoll ATX and 9.6 Zoll x 9.6 Zoll Micro-ATX24 x 3.5 Zoll hot-swap drive baySAS or enterprise SATA HDD only recommended 24-port 4U SAS2 6Gbps single-expander backplane, support up to 24x 3.5-inch SAS2/SATA3 HDD1U 1280W Redundant Platinum 95%+ Super Quiet Power Supply with PMbus7 full-height & full-length expansion slot(s)3 x 8cm hot-swap redundant PWM cooling fan(s)2 x 8cm hot-swap exhaust fan(s) & air shroud