Dell EMC PowerEdge R7525 Technical Specifications

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USB ports specifications

Table 1. PowerEdge R7525 system USB specificationsThe following table shows the USB specifications for the PowerEdge R7525 system.
Front		Rear		Internal (Optional)
USB port type	No. of ports	USB port type	No. of ports	USB port type	No. of ports
USB 2.0-compliant port	One	USB 3.0-compliant ports	One	Internal USB 3.0-compliant port	One
Micro-USB 2.0 compliant port	One	USB 2.0-compliant ports	One	Internal USB 3.0-compliant port	One

NOTE The micro USB 2.0 compliant port can only be used as an iDRAC Direct or a management port.

NOTE The USB 2.0 specifications provide a 5 V supply on a single wire to power connected USB devices. A unit load is defined as 100 mA in USB 2.0, and 150 mA in USB 3.0. A device may draw a maximum of 5 unit loads (500 mA) from a port in USB 2.0; 6 (900 mA) in USB 3.0.

NOTE The USB 2.0 interface can provide power to low-power peripherals but must adhere to USB specification. An external power source is required for higher-power peripherals to function, such as external CD/DVD Drives.