You certainly could be right. I don't know too much about capacitors, but from what I'm seeing it looks like it could also be a "Hybrid polymer capacitor" [1],

You certainly could be right. I don't know too much about capacitors, but from what I'm seeing it looks like it could also be a "Hybrid polymer capacitor" [1], which would have some liquid in it [2]. This is also an MSI board. [1] https://www.digikey.ca/en/products/filter/aluminum-polymer-capacitors/69?s=N4IgjCBcpgHAzFUBjKAzAhgGwM4FMAaEAeygG0R4BWANgHYAWGkAXSIAcAXKEAZU4BOASwB2AcxABfaUA https://www.digikey.ca/en/products/filter/aluminum-polymer-c... [2] https://en.wikipedia.org/wiki/Polymer_capacitor https://en.wikipedia.org/wiki/Polymer_capacitor