The Synology E10G18-T1 is a versatile single-port 10GbE network adapter card designed to provide flexible, cost-effective network upgrades for compatible Synology NAS systems. Featuring a single RJ-45 10GBASE-T port with PCIe 3.0 x4 interface, this adapter card supports multi-gigabit Ethernet speeds including 10G/5G/2.5G/1G/100Mbps with auto-negotiation and backward compatibility, enabling seamless migration to 10GbE networking using existing Cat6a/Cat7 copper infrastructure. With support for IEEE 802.3an/bz (10GBASE-T/NBASE-T) standards and 802.3x Flow Control operating in full duplex mode, the E10G18-T1 eliminates data transmission bottlenecks for small businesses and home users seeking high-performance connectivity. The low-profile/full-height bracket design ensures compatibility with various system configurations, making it an economical solution for bandwidth-intensive applications including file sharing, multimedia streaming, virtualization, and backup operations, backed by Synology's limited 5-year warranty.