Supermicro's SC747 server/workstation chassis is truly industry's most powerful high performance server chassis that offers 11 (TQ SKU) or 9 (TG SKU) full-height, full-length PCI-E expansion slots and 4 sets of 6-pin and 8-pin power connectors to support up to 4 double-width GPU cards. Optimized redundant high-efficiency (94%) Platinum Level 1600W power supplies with PMBus support and optimized thermal solutions with 4 hot-swap cooling fans plus 2 hot-swap exhaust fans incorporating advanced fan speed controls, to accommodate the most demanding GPU applications. Its 8 hot-swap SAS/SATA HDDs offer exceptional storage capacity, and its three 5.25" storage modules can rotate 90° to flexibly accommodate tower or rack-mountable configurations.