Looks like an aluminum: https://www.brit.co/bartendro/
Voltage ratings that low are quite common actually, the voltage rating probably drives the price more than the capacitance. I've seen 600V capacitors at $100 each that are only micro Farads.
EDIT: Also, *rages at use of RJ45 plug for non-Ethernet interface*
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Looks like an aluminum: https://www.brit.co/bartendro/
Voltage ratings that low are quite common actually, the voltage rating probably drives the price more than the capacitance. I've seen 600V capacitors at $100 each that are only micro Farads.
EDIT: Also, *rages at use of RJ45 plug for non-Ethernet interface*