Sunon - PMD1208PMB1-A - DC 12V 9,1w - 80x80x38mm - Molex - Ventola di raffreddamento server
This is a Sunon 80mm server fan. It's 38mm deep, has a 4-pin Molex connecter/passthrough for power, and a separate 3-pin connector for monitoring fan speed. It's very loud.