USB Unifying Transceiver
USB 2.4GHz Wireless Connectivity - 2.4GHz Unifying Nano Transceiver - Windows / OS X Compatible - Replacement Transceiver for Logitech Unified Wireless Peripherals - 1 Year Depot Carry-In Mfg. Warranty
FAN-0070
Supermicro FAN-0070 6300rpm case fan for 2U SC822,SC823