H3C UniServer R4300 G3 24 LFF Server Base (H3C-UN-R4300-G3-24LFF-C-BASE) - Form Factor: 4U Rackmount, Processor: No CPU, RAM: No Memory, Storage: No Hard Drive, Network Controller: 4 x 1GbE, External Optical Drive, On-Board Devices: No Controller, Connectivity: Rear VGA connector and serial port, 3 × USB 3.0 connectors (two at the rear and one at the front), PCIe Slots: 10 x PCIe 3.0, Power Supply: Platinum 850W (1/2)