KALEA-INFORMATIQUE PCIe x4 Gen 4.0 One Port SFP+ 10G Network Controller Card with Chipset REALTEK RTL8127 Chipset, Low Consumption, Passive Cooling

Up to 10G multi gigabit network card that provides fast and reliable Ethernet connectivity for servers and workstations. It supports multi-speed networks as well as broad operating system compatibility.
Compatibility: PCIe Gen 4.0 card in x4 port (electrically connected in x2, x4, x8 and x16 compatible) Compatible with all networks up to 10 Gigabit (1G and 10G). Support Windows 10/ 11 and Linux kernel 2.4.x or 2.6.x and later.
PCIe Gen 3 x2 interface (x4 connector, but x2 port cabling). Compatible with 10G and 1G network speeds. Supported standards IEEE 802.3 / 802.3z / 802.3ae / 802.1Q VLAN / 802.1ad Q-in-Q Maximum power consumption 1.79W at 10G.
Jumbo frame support up to 16KB. VLAN TAG IEEE 802.1Q and Q-in-Q 802.1ad. Hardware checksum & offload segmentation, reduces CPU load by 40-60%. Supports Wake-on-LAN, PXE / EFI network boot. Full duplex IEEE 802.3x flow control.
Operating temperature: 0°C to +70°C, passive cooling, no fan required. Maximum distance: 10GBASE-SR 300m (OM3/OM4 multimode), 10GBASE-LR 10km (single-mode OS2), 10GBASE-ER 40km (single-mode OS2), DAC Twinax 1 to 7m (direct connect copper). Dimensions: 80 mm x 45 mm. Weight: 112 g. Supplied with two brackets (low profile and high profile).