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Qnap low-profile PCIe 4.0 x8 card with dual SFP28 ports

Qnap

Qnap QXG25G2SFE810 25GbE dual-port SFP28 network card

SKU CH-RJXT-7N16C MPN QXG25G2SFE810

Adds two 25 Gbit/s SFP28 ports over PCIe 4.0 x8 using an Intel E810 controller, compatible with Windows 10, 11, Server 2022 and Linux

  • Dual 25 Gbit/s ports accelerate large-file workflows
  • PCI Express 4.0 x8 host interface avoids bus bottlenecks
  • Intel E810-XXVAM2 controller delivers consistent throughput
  • Low-profile bracket fits dense server chassis
  • Broad OS support covers Windows 11, Windows Server 2022 and Linux

25GbE dual-port SFP28 network card

The Qnap QXG25G2SFE810 adds two 25GbE ports to a computer, server or workstation using an Intel E810-XXVAM2 controller. It targets administrators who need 10 or 25Gbps optical-fibre links for data-centre or multimedia workloads. Low-profile brackets fit compact chassis without blocking adjacent slots.

Check PCIe 4.0 x8 slot and SFP28 optics

Verify the host has a free PCI Express 4.0 x8 slot; the card will not negotiate full bandwidth in narrower or older slots. Ensure the operating system is Windows 10, Windows 11, Windows Server 2022, Linux, QTS or QuTS hero. Source compatible SFP28 transceivers and fibre patch cords separately; the card ships without optics.

Low-profile plug-in card with dual SFP28 cages

The plug-in card uses a low-profile bracket so it installs in 1U or slim enclosures without riser interference. Dual SFP28 cages accept standard 25GBase-X modules for hot-swap media changes during maintenance. Passive cooling relies on chassis airflow, so confirm adequate slot ventilation before deployment.

Highlights

  • Dual 25 Gbit/s ports accelerate large-file workflows
  • PCI Express 4.0 x8 host interface avoids bus bottlenecks
  • Intel E810-XXVAM2 controller delivers consistent throughput
  • Low-profile bracket fits dense server chassis
  • Broad OS support covers Windows 11, Windows Server 2022 and Linux

Specifications

BrandQNAP
Shipping weight0.45 kg
Package size191 × 140 × 51 mm

Questions about this item

Does the QXG25G2SFE810 include SFP28 transceivers and cables, or must they be purchased separately?

The card provides two SFP28 ports for 25GbE optical fibre connections; compatible SFP28 modules and fibre patch cables are sold separately.

Which operating systems are officially supported for the Intel E810-XXVAM2 controller on this card?

Windows 10, Windows 11, Windows Server 2022 and Linux are listed as compatible with the QXG25G2SFE810.

What real-world throughput can I expect from the 25 Gbit/s rating on a PCIe 4.0 x8 slot?

The PCIe 4.0 x8 host interface delivers enough bandwidth to sustain full 25 Gbit/s line rate on both ports simultaneously.

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