# QNAP QXG-25G2SF-E810 | Dual-Port 25GbE SFP28 Network Expansion Card

# **QNAP QXG-25G2SF-E810 | Dual-Port 25GbE SFP28 Network Expansion Card**

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## **Product Description**

The **QNAP QXG-25G2SF-E810** is a **dual-port 25GbE SFP28 network expansion card** designed to provide high-speed network connectivity for compatible QNAP NAS, servers, desktops and workstations. It features the **Intel Ethernet Controller E810** and a **PCIe Gen 4 x8 interface**.

The card provides two SFP28 ports supporting **25GbE and 10GbE connectivity**, making it suitable for high-speed file transfers, virtualization, video production, enterprise storage, backup and data-center networking.

Buy the **QNAP QXG-25G2SF-E810** from **Suntronix, a QNAP Dealer & Partner in Chennai**, serving customers across Chennai, Tamil Nadu and India.

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## **Key Features**

-   Dual-Port 25GbE SFP28 Network Expansion Card
-   2 × SFP28 Ports
-   Supports 25GbE / 10GbE
-   Intel Ethernet Controller E810
-   PCIe Gen 4 x8 Interface
-   SR-IOV Support
-   RDMA Support
-   RoCE v2 Support
-   iWARP Support
-   DPDK Support
-   9K Jumbo Frames
-   VLAN Support
-   Network Virtualization Support
-   Suitable for NAS, Servers, PCs and Workstations
-   Low-Profile Design
-   3 Years Standard Warranty

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## **Why Buy from Suntronix?**

Suntronix supplies genuine **QNAP NAS, network expansion cards, 10GbE/25GbE networking products, switches and storage accessories** for business, professional and enterprise networking requirements.

Suntronix is a **QNAP Dealer & Partner in Chennai**, serving customers across **Chennai, Tamil Nadu and India**.

## Details

- **Price:** 75000.0 INR
- **Vendor:** QNAP
- **Type:** NETWORK STORAGE
- **Tags:** qnap accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 75000.00 INR | In stock |

## Images

- Computer network adapter card with multiple ports on a white background
- Network interface card with QNAP branding on a white background
- Network interface card with two Ethernet ports on a white background
- Computer hardware component, likely a network adapter card with a fan on a white background

## Additional Information

- **Warranty:** 3 Years Standard Warrant
- **Type:** LAN Card

### FAQ 1

**Q: What is the QNAP QXG-25G2SF-E810?**

A: The QNAP QXG-25G2SF-E810 is a **dual-port 25GbE SFP28 PCIe network expansion card** designed for high-speed networking.

### FAQ 2

**Q: How many ports does the QXG-25G2SF-E810 have?**

A: It has **two SFP28 ports** supporting 25GbE and 10GbE connectivity.

### FAQ 3

**Q: What controller does the QXG-25G2SF-E810 use?**

A: It uses the **Intel Ethernet Controller E810**.

### FAQ 4

**Q: Does the QXG-25G2SF-E810 support virtualization and RDMA?**

A: Yes. It supports **SR-IOV and RDMA technologies including RoCE v2 and iWARP**, making it suitable for demanding virtualization and storage networking environments.

### FAQ 5

**Q: Where can I buy the QNAP QXG-25G2SF-E810 in Chennai?**

A: Buy the QNAP QXG-25G2SF-E810 from **Suntronix, a QNAP Dealer & Partner in Chennai**, serving customers across Tamil Nadu and India.

### SPECIFICATION

#### **Brand**

QNAP

#### **Model**

QXG-25G2SF-E810

#### **Product Type**

Dual-Port 25GbE SFP28 Network Expansion Card

#### **Controller**

Intel Ethernet Controller E810

#### **Number of Ports**

2 × SFP28

#### **Network Connector**

SFP28

#### **Transmission Rates**

25Gbps / 10Gbps

#### **PCIe Interface**

PCIe Gen 4 x8

#### **Network Type**

25GbE Ethernet

#### **Virtualization**

SR-IOV

#### **RDMA**

RoCE v2 / iWARP

#### **Storage Networking**

RDMA and iSCSI support

#### **Jumbo Frame**

Up to 9K

#### **Network Features**

VLAN, DCB, Flow Control, RSS and network virtualization

#### **Supported NAS Operating Systems**

QTS / QuTS hero

#### **Supported Windows**

Windows 10 / Windows 11

#### **Supported Windows Server**

Windows Server 2019 / 2022

#### **Supported Linux**

Linux distributions with compatible Intel E810 drivers

#### **Bracket**

Low-profile bracket with full-height and QNAP NAS brackets

### Compatibility

#### **Compatible NAS**

The QXG-25G2SF-E810 is compatible with selected QNAP NAS models equipped with a supported PCIe expansion slot.

- **TS-h1290FX**
- **TS-h1090FU**
- **TS-h3087XU-RP**
- **TS-h2287XU-RP**
- **TS-h1887XU-RP**
- **TS-h1277XU-RP**
- **TS-h1677XU-RP**

Exact compatibility should be verified against QNAP's official compatibility list for the specific NAS model and QTS/QuTS hero version.

#### **Compatible PC / Workstation**

- Windows 10 PCs with a compatible PCIe Gen 4 x8 slot
- Windows 11 PCs with a compatible PCIe Gen 4 x8 slot
- Windows Server 2019 systems
- Windows Server 2022 systems
- Linux servers with compatible Intel E810 drivers
- Professional workstations with a compatible PCIe expansion slot

#### **Compatible Network Devices**

- QNAP 25GbE SFP28 switches
- QNAP 25GbE network switches
- 25GbE SFP28 switches
- 10GbE SFP+ network devices
- Compatible 25GbE NAS and storage systems

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> Source: [Suntronix](https://suntronix.net/products/qnap-qxg-25g2sf-e810-dual-25gbe-sfp28-network-card-dealer-chennai)
> Updated: 2026-08-29