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QNAP QXG-25G2SF-CX6 Dual Port 25GbE PCIe 4.0 x8 Network Expansion Card
Ultra-Fast Connectivity: Featuring dual 25GbE SFP28 ports, this network expansion card delivers exceptional network speeds, making it ideal for data centers, high-performance computing, and large-scale data transfers, ensuring seamless and efficient operations.
Cutting-Edge PCIe 4.0 Interface: The card utilizes a PCIe 4.0 x8 interface, providing extremely fast data transfer rates and broad compatibility with the latest systems. This ensures enhanced network performance and future-proofs your setup for upcoming technological advancements.
Enhanced Networking Features: The QXG-25G2SF-CX6 supports advanced networking capabilities such as RDMA (Remote Direct Memory Access) and SR-IOV (Single Root I/O Virtualization). These features improve data throughput, reduce latency, and enhance virtualization efficiency, making it a powerful tool for complex network environments.
Energy-Efficient Design: Designed with energy efficiency in mind, this network card minimizes power consumption while maintaining high performance. This makes it a cost-effective solution for upgrading network capabilities without significantly increasing energy costs.
Effective Cooling Solution: Equipped with a high-quality heat sink, the card ensures effective heat dissipation, maintaining optimal performance even under heavy workloads. The robust cooling solution helps prevent overheating, ensuring reliable operation in demanding environments.
| Model | QXG-25G2SF-CX6 | 
| Cable | CAB-DAC30M-SFP28,CAB-DAC15M-SFP28,TRX-25GSFP28-SR | 
| Controller | NVIDIA Mellanox ConnectX-6 Lx | 
| Number of Ports | 2 x SFP28 | 
| Connector | SFP28 | 
| PCIe and Lanes | PCIe Gen4 x8 | 
| Transmission Rates | 25Gbps/10Gbps | 
| IEEE Standards | 
IEEE 802.3ae 10 Gigabit Ethernet 25/50 Ethernet Consortium 25G and 50G supporting all FEC modes IEEE 802.3by 25G supporting all FEC modes IEEE 802.3ad, 802.1AX Link Aggregation IEEE 802.3az Energy Efficient Ethernet (supports only “Fast-Wake” mode) IEEE 802.3ap based auto-negotiation and KR startup IEEE 802.1Q, 802.1P VLAN tags and priority IEEE 802.1Qaz (ETS)  | 
| Bracket | Low-profile bracket pre-installed Full-height and specialized (for selected QNAP NAS) brackets are bundled  | 
| Supported Windows | Windows 8/10 | 
| Supported NAS Operating Systems | QTS/QuTS hero (recommend an upgrade to the latest version Windows (Driver required Linux (Driver required)  | 
| Port and Cable | SFP28 DAC cable (3M) or SFP28 OPTIC transceiver | 
| Standard Warranty | 3 Years | 
| Package Contents | 1 x Network card 1 x QIG 3 x Brackets  | 
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