Inspur X540-T2 10G Network Card: High operating temperature, may feel warm. Recommended for desktop computers. Compatibility Testing: 10G network card compatibility with certain motherboards needs to be tested. Motherboard Incompatibility: Incompatible motherboards may prevent booting or system recognition. Preferred Motherboard Slot: Desktop motherboards are preferably used with PCIE x 8/x16 slots managed by Nanqiao. Driver Installation Required: X540 network card requires driver installation for Win 7, Win 8, Win 10, 11. (Note: PC support is not guaranteed!!! Professional installation is required for Linux. Please do not purchase if you are unsure!!!) Compatible with Windows/Windows Server/Linux Supported Systems: Windows Server 2012, 2012R2, 2016, 2019, 2022. ESXi 6.5 / ESXi 6.7 / ESXi 7.0 Redhat 7.6 64bit / Redhat 7.7 64bit / Redhat 7.8 64bit / Redhat 7.9 64bit / Redhat 8.1 64bit / Redhat 8.2 64bit / Redhat 8.3 64bit / Suse 12.5 64bit / Suse 15.2 64bit / Suse 15.3 64bit / Ubuntu Desktop 18.04 64bit / Ubuntu Desktop 20.04 64bit. User Experience Sharing: B75, B85, H67 are not usable. J3160, B360, Q370, X570E, H410, X58, X99, C612, Z97, HPZ440, X470 are validated for use. More motherboards are unconfirmed. Some Motherboards Not Recognized: Examples include... Color: As shown Material: PC + Metal Package Contents: 1 * Ethernet Card Note: Light reflections and different displays may cause the color of the item in the picture to differ slightly from the real object. The allowed measurement error is +/- 1-3 cm.