Designed for select Synology NAS servers, the E10G18-T1 10GbE PCIe Expansion Card from Synology has a single RJ45 port that supports 802.3an 10 Gb/s Ethernet, 802.3bz 2.5 and 5 Gb/s Ethernet, 802.3ab Gigabit Ethernet (1 Gb/s), 802.3u Fast Ethernet (100 Mb/s), and 802.3x Flow Control. It has a low-profile/full-height bracket, a PCIe 3.0 x4 interface, operates in full duplex mode, and can auto-negotiate between 10 Gb/s, 5 Gb/s, 2.5 Gb/s, 1 Gb/s, and 100 Mb/s speeds.. General Features.

Flexible and Economic Solution for 10GbE Adoption. Equipped with an RJ-45 connector and supports IEEE 802.3an/bz (10GBASE-T/NBASE-T) and 802.3x, the E10G18-T1 helps you smoothly migrate to a 10GbE networking environment with your existing infrastructure.

• For Select Synology NAS Servers
• Supports 802.3an 10 Gb/s Ethernet
• Supports 802.3bz 2.5 & 5 Gb/s Ethernet
• Supports 802.3ab Gigabit Ethernet
• Supports 802.3u Fast Ethernet
• Supports 802.3x Flow Control
• PCIe 3.0 x4 Interface
• Full Duplex Network Operation Mode
• Auto Bandwidth Negotiation