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QNAP QXG-25G4SF-BCM Quad-port SFP28 25GbE PCIe Gen4 x8 Network Expansion Card
3 Years
Features
The QXG-25G4SF-BCM 25 GbE network expansion card features four SFP28 ports and PCIe 4.0 x8 connectivity, delivering up to 100Gbps aggregate bandwidth to eliminate performance bottlenecks. With support for advanced offload technologies including RDMA and SR-IOV, it significantly enhances network efficiency and is well-suited for I/O-intensive and latency-sensitive virtualization and data center environments. Designed as a powerful companion for all-flash storage, the QXG-25G4SF-BCM helps unleash maximum system performance to meet the ever-increasing demands of modern IT workloads.
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NAS and PC
The QXG-25G4SF-BCM can be installed in a QNAP NAS or Windows® PC.
- PCIe 4.0
PCIe Gen 4 x8 provides up to 128 Gbps transfer speeds.
- SR-IOV
Improves the network performance of virtual machines.
- RDMA (RoCE)
Reduces latency, lowers CPU utilization, and boosts overall throughput
- High Availability (HA) Support
Enables cross-switch failover and redundancy for uninterrupted business continuity.
- Link Aggregation
Combines multiple ports for higher bandwidth, load balancing, and network resiliency.
Specifications
| Controller | Broadcom 57504 |
| Number of Ports | 4x SFP+ |
| Connector | SFP+ |
| PCIe and Lanes | PCIe Gen4 x8 |
| Transmission Rates | 25Gbps/10Gbps |
| IEEE Standards | IEEE 802.1Qbb IEEE 802.1Qaz IEEE 802.1Qau IEEE 802.1Qaz |
| Bracket | Low-profile bracket pre-installed; full-height and specialized (for selected QNAP NAS) brackets are bundled |
| SR-IOV Support | Yes |
| RDMA over Converged Ethernet (RoCE), Zero Touch RoCE (ZTR) Support | Yes |
| VLAN insertion/stripping Support | Yes |
| iSER Support | Yes |
| NVGRE, VXLAN, Geneve Support | Yes |
| Supported NAS operating systems | QTS 5.2.4 and later / QuTS 5.2.4 and later |
| Supported QNAP NAS | Models with PCIe slot(s) (1 free slot required) |
| Support Ubuntu Commercial Linux Distribution | Ubuntu 22.04 |
| Support Windows | Windows 10/11 |
| Support Windows Server | Windows Server 2022 |
| Port and Cable | SFP28 DAC cable (3M) or SFP28 OPTIC transceiver |
| Package Contents | 1 x Network card; 1 x QIG; 3 x Brackets |
| Standard Warranty | 3 years |
Product images are for illustrative purposes only and may differ from the actual product. Due to differences in monitors, colors of products may also appear different to those shown on the site.
Designs and specifications are subject to change without notice.
Download
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Datasheet
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