When 25 GbE is not enough, this adapter moves the conversation to 100 GbE. The QNAP QXG-100G2SF-E810 delivers dual QSFP28 ports over PCIe Gen4, giving infrastructure teams a direct path to higher aggregate throughput for storage arrays, virtualization hosts, and data-intensive services. It is built for environments where transfer windows, replication jobs, and east-west traffic all compete for bandwidth. The low-profile form factor makes the card suitable for compact systems and dense rack deployments, while the dual-port layout supports network separation, redundancy planning, or link aggregation strategies depending on the architecture. QSFP28 connectivity is a strong fit for fiber-based backbones that need to carry large volumes of traffic with fewer choke points. This is the kind of upgrade that earns its place in a premium build: not just faster links, but more room for growth before the network becomes the limiting factor. For teams standardizing on QNAP infrastructure, it provides a clean way to extend performance without changing the chassis or redesigning the storage layer.