Product Information
The QNAP QXG-25G2SF-BCM is a dual port 25 Gigabit SFP28 network card on a low profile PCIe 4.0 x8 interface, built on the Broadcom BCM57502 controller. Each port supports 1, 10 or 25 Gb Ethernet, with RoCE and iSER for RDMA, SR-IOV, VXLAN, NVGRE and GENEVE offloads and VLANs. It includes full height and low profile brackets and works with Windows 11, Windows Server 2022 and 2025 and Ubuntu 20.04. QNAP lists its own DAC cables and SR optics as matching accessories.
Key Features
- 2 x 25GbE SFP28 ports
- Broadcom BCM57502
- PCIe 4.0 x8
- RoCE and iSER
- SR-IOV and VXLAN
- Low profile, both brackets
Product Information
Brand: QNAP
Manufacturer: QNAP
Product Line: QNAP
Model: QXG-25G2SF-BCM
Product Type: Network adapter
Packaged Quantity: 1
Color Category: Silver
Network and Communication
Connectivity Technology: Wired
Data Link Protocols: 10 Gigabit Ethernet, 25 Gigabit Ethernet, Gigabit Ethernet
Data Transfer Rate: 25 GBps
Operating System Required: Microsoft Windows Server 2022, Microsoft Windows Server 2025, Ubuntu 20.04, Windows 11
Features: GENEVE support, iSCSI Extensions over RDMA (iSER), NAS support, Network Virtualization using Generic Routing Encapsulation (NVGRE), RDMA over Converged Ethernet (RoCE), Single Root I/O Virtualization (SR-IOV), Virtual Extensible LAN (VXLAN), VLAN support
Connectivity
PCI Specification Revision: PCIe 4.0
Port Quantity: 2
Interface Provided: 2 x 25Gb Ethernet - SFP28
Network & Adapter Ports: 25 Gigabit SFP28
Host Interface: PCI Express 4.0 x8
Memory and Processor
Processor Brand: Broadcom
Processor Number: BCM57502
Physical Characteristics
Form Factor: Plug-In Card
Low Profile: Low profile
Dimensions and Weight
Width: 7.3 inch
Included Items
Included Accessories: Full-height bracket, Low-profile bracket
Certifications and Listing
Compliant Standards: IEEE 1588-2008, IEEE 802.1as, IEEE 802.1p, IEEE 802.1Q, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3az, IEEE 802.3x
ENERGY STAR Certified: No
EPEAT Compliant: No
TCO Certified: No
Warranty
Limited Warranty: 3 Year
Service & Support Details: Limited warranty - 3 years
Not sure this adapter or module fits your system? Send us your server, switch or storage model and the DatorPro team will confirm compatibility before you order.