# Network Card QNAP QXG-25G2SF-E810 Internal Fiber 25000 Mbit/s

**URL:** https://aio.lv/en/product--qnap-qxg-25g2sf-e810--10649911
**Data updated:** 2025-12-30 08:58 (EET)
**Category:** Network Cards
**Manufacturer:** QNAP
**Manufacturer code:** QXG-25G2SF-E810
**EAN:** 4711103084236
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 427.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 353.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qnap-qxg-25g2sf-e810--10649911

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The QNAP QXG-25G2SF-E810 is an internal fiber network card offering a maximum data transfer rate of 25000 Mbit/s. It features PCI Express host interface and wired connectivity technology, ensuring high-speed and reliable network performance. The card is designed for demanding applications requiring fast data transmission, making it ideal for data centers and enterprise environments.

## Long description

The QNAP QXG-25G2SF-E810 is a dual-port internal fiber network card with the Intel® Ethernet Controller E810-XXVAM2. It supports PCIe Gen4 (backwards compatible with Gen3) and offers up to 25Gbps per port (10/25Gbps supported). Designed for I/O-intensive and latency-sensitive environments, the card accelerates file sharing, multimedia transmission and real-time video editing by combining high throughput with Network Offload features and support for SMB Multichannel aggregation.
Advantages
The QXG-25G2SF-E810 provides high-speed 25GbE connectivity with PCIe Gen4 compatibility, low-latency operation through network offloading, and compatibility with NAS (QTS and QuTS hero), Windows and Linux systems. It supports Forward Error Correction (FEC) to improve reliability over long or noisy links and enables SMB Multichannel to aggregate links for higher effective bandwidth.
Suitable for
 Data centers and enterprise storage servers
 High-bandwidth NAS systems and workstations
 Virtualization hosts, containers and cloud compute nodes
 Multimedia production, 4K/8K video editing and real-time streaming
Key specifications
 Model: QXG-25G2SF-E810
 Controller: Intel® Ethernet Controller E810-XXVAM2
 Interface: PCI Express (Gen4, backward compatible with Gen3)
 Ports: Dual 25GbE fiber ports (10/25Gbps supported)
 Max transfer rate: 25000 Mbit/s per port
 Supported standards: IEEE 802.1p, 802.3x, 802.3az, 802.3ae, 802.3ad, 802.1as, 802.1Q, IEEE 1588
 Features: Network Offload, SMB Multichannel, Forward Error Correction (FEC)
 Compatibility: QNAP NAS (QTS, QuTS hero), Windows 11, Windows Server, Linux (e.g., Ubuntu 20.04 LTS)
 Colour: Green
How to use
Install the QXG-25G2SF-E810 into an available PCIe slot (PCIe Gen4 recommended; Gen3 compatible) on a supported NAS, server or workstation. Connect fiber cables to the card's SFP+ ports and ensure the switch or connected device supports 25GbE. On QNAP NAS systems enable the card via the operating system (QTS or QuTS hero) and configure SMB Multichannel or bonding on client and server sides as needed. Install appropriate drivers on Windows or Linux hosts following vendor instructions.
Usage recommendations
Use certified 25GbE network switches and compatible fiber cables to achieve reliable 25Gbps links. Enable FEC when operating over long or noisy links, and use SMB Multichannel or link aggregation to combine multiple 25GbE connections for higher aggregate bandwidth. Verify driver compatibility and firmware updates for optimal performance.

## Specifications

| Feature | Value |
|---|---|
| Component for | Server |
| Warranty period | 2 year(s) |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| Interface | Fiber |
| Host interface | PCI Express |
| Internal | Yes |
| Fiber ports quantity | 2 |
| Fiber optic connector | SFP28 |
| PCI version | 4.0 |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 25000 Mbit/s |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.1p, IEEE 802.3x, IEEE 802.3az, IEEE 802.3ae, IEEE 802.3ad, IEEE 802.1as, IEEE 802.1Q, IEEE 1588 |
| Chipset | Intel E810-XXVAM2 |

### Design

| Feature | Value |
|---|---|
| LED indicators | Y |
| Product colour | Green |

### Packaging content

| Feature | Value |
|---|---|
| Quick installation guide | Yes |
| Mounting brackets included | Yes |

### Other features

| Feature | Value |
|---|---|
| Compatible operating systems | QTS/QuTS hero |

## FAQ

### How much does the Network Card QNAP QXG-25G2SF-E810 cost, and is it available for purchase?

The price is 427.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 38 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Network Card QNAP QXG-25G2SF-E810 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All QNAP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized QNAP service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, interface, host interface, maximum data transfer rate, networking standards, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Network Card QNAP QXG-25G2SF-E810?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10649911/56772519_large.webp