What operating systems does this 10GbE NIC support?

This 10Gtek NIC supports a wide range of operating systems, including Windows Server (2003/2008/2012), Windows 7/8/10/11 (ensure correct driver installation for Win11), various Linux distributions, and virtualization platforms like VMware ESXi, Microsoft Hyper-V, KVM, and Xen. This broad compatibility ensures seamless integration into diverse IT environments.

Can I use this NIC with a 1GbE network?

No, this network card specifically supports 10Gbps speeds and is not backward compatible with 1Gbps, 2.5Gbps, or 5Gbps networks. It requires 10 Gigabit SFP+ modules, DAC, or AOC cables to function at its intended speed. Using it with lower speed infrastructure will not establish a connection.

What is required to install and use this network card?

You need a computer or server with an available PCI-E X8 or X16 slot. The card comes with both standard and low-profile brackets for installation. Crucially, you will need to purchase compatible 10 Gigabit SFP+ modules, Direct Attach Copper (DAC) cables, or Active Optical Cables (AOC) separately, as these are not included with the card.

How does this NIC compare to the Intel X520-DA2?

This 10Gtek NIC is designed to be comparable to the Intel X520-DA2, utilizing the same Intel 82599ES controller. It offers similar performance, OS compatibility, and features like I/O virtualization and support for unified networking protocols, providing a cost-effective alternative for high-speed server networking.

Will this NIC work with my QNAP or Synology NAS?

Compatibility with QNAP and Synology NAS devices can be specific due to driver particularities. It is recommended to contact 10Gtek support before purchasing if you intend to use this card with these NAS brands to confirm compatibility and any specific setup requirements.

What is the warranty and support for this network card?

The 10Gtek Dual SFP+ NIC comes with a 3-year warranty and lifetime technology support from the manufacturer. Additionally, customers benefit from a 30-day free return period for any issues encountered upon receiving the product.

10Gtek Dual SFP+ 10Gb NIC Card | Intel 82599ES PCIe X8 Adapter

Name: 10Gtek Dual SFP+ Port 10Gb PCI-E NIC Network Card with Intel 82599ES Controller | PCIe X8 Lane Adapter
Brand: 10Gtek
SKU: kkg1936
Price: 7463.00 INR
Availability: InStock

About this item

The 10Gtek Dual SFP+ Port 10Gb PCI-E NIC Network Card, powered by the Intel 82599ES controller, delivers reliable high-speed Ethernet connectivity essential for modern data centers and servers. Its PCI-E X8 interface ensures broad compatibility, while dual SFP+ ports support 10 Gigabit modules, DAC, or AOC cables for flexible network integration. This card is designed for demanding environments requiring stable performance and low latency.

Optimized for virtualization, this NIC supports leading platforms like VMware ESXi, Microsoft Hyper-V, KVM, and Xen, offering advanced features such as I/O virtualization and intelligent offloads. It enables unified networking with Fibre Channel over Ethernet and iSCSI support, ensuring lossless Ethernet for data center bridging. The included low-profile bracket allows for easy installation in small form factor cases, making it a versatile choice for various server builds.

Imported directly from authorized US retailers and authorized brand partners, this 10GbE NIC offers a robust alternative for Indian users seeking high-performance networking solutions. All customs duties and GST are included in the listed price, with delivery via ExpressBox tracked shipping. Ensure your system has a compatible PCI-E X8 slot and the necessary SFP+ modules or cables for optimal performance.

Key Features

Compatible with Windows Server 2003/ 2008/ 2012, Windows7/8/10*/Visa, Linux, ESX/ESXi*. Storage over Ethernet: iSCSI, FCoE, NFS. (Only by setting up Win10 driver correctly the NIC can work on Win11! See the main picture for more detail of installation.)
Equipped with high quality original Intel 82599ES controller which supports I/O virtualization and make the servers more stable.
Supports 10G, not support 1G/2.5G/5G; Dual SFP+ ports let you connect to 10 Gigabit SFP+ module/DAC/AOC for meeting the demands of data center environments. PCI-E X8 Lane is suitable for both PCI-E X8 and PCI-E X16 slots.
With profile bracket and additional low profile bracket that makes it easy to install the card in a small form factor/low profile computer case/server.NOT support hot swaping.
What You Get: 10GbE PCI-E X8 Card X520-10G-2S x1, Low-profile Bracket x1, 30 Days Free-returned, 3 Year Warranty and Lifetime Technology Support. PS: Due to the particularity in QNAP/Synology, for QNAP/Synology users, pls contact us before purchase.

Why choose this product

Engineered for Performance and Stability

This 10GbE NIC leverages the robust Intel 82599ES controller for exceptional stability and low latency, crucial for server workloads and virtualization. Its design supports advanced networking protocols like FCoE and iSCSI, ensuring efficient data transfer. Unlike generic adapters, it's built for demanding environments where consistent performance is paramount. The PCI-E X8 interface and dual SFP+ ports offer broad compatibility and future-proofing for your network infrastructure.

Ideal for Servers & Virtualization, Skip if...

This card is perfect for servers, workstations, and high-performance computing setups requiring 10GbE connectivity, virtualization, or unified networking. Skip if your system only supports 1GbE or if you need a USB-based network adapter. It is not designed for standard home routers or devices that do not have a PCI-E X8 slot. Compatibility with specific NAS devices like QNAP/Synology may require pre-purchase consultation.

How to use

Ensure your computer or server has an available PCI-E X8 or X16 slot. Identify whether you need the standard or low-profile bracket based on your chassis. Have compatible 10 Gigabit SFP+ modules or DAC/AOC cables ready, as these are not included. — Prepare Your System
Carefully insert the NIC into the chosen PCI-E slot. Secure it using the appropriate bracket. Avoid hot-swapping; power down your system before installation. Connect your SFP+ modules or cables to the dual ports. — Install the Network Card
Power on your system. Install the necessary drivers for your operating system (Windows Server, Linux, VMware). For Windows 11, ensure the correct driver is set up as per manufacturer instructions. Configure network settings as required for your network environment. — Install Drivers and Configure

Example scenarios

Typical situations where 10Gtek Dual SFP+ Port 10Gb PCI-E NIC Network Card with Intel 82599ES Controller | PCIe X8 Lane Adapter helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A small business in Bangalore needs to upgrade its server network to handle increasing data traffic for file sharing and virtualization. They require stable, high-speed connectivity.

How this product helps

This 10Gtek Dual SFP+ NIC provides the necessary 10Gbps speed and stability with its Intel controller. It supports their virtualization needs and integrates with existing server infrastructure, offering a reliable upgrade path without the complexity of managing multiple network types.

Scenario 2

Illustrative example

Where it helps

A home lab enthusiast in Delhi is building a high-performance workstation for video editing and running multiple virtual machines. They need a fast network interface for large file transfers and seamless VM operation.

How this product helps

The 10GbE speed and low latency of this NIC significantly speed up large file transfers to/from NAS storage. Its broad OS and virtualization support ensures smooth operation of multiple VMs, enhancing productivity for demanding tasks. The included low-profile bracket allows installation in their compact workstation case.

Technical specifications

Setup & usage

Installation	Install in a PCI-E X8 or X16 slot. Use standard or low-profile bracket as needed. Requires SFP+ modules or DAC/AOC cables (not included). Not hot-swappable.
Operating Systems	Compatible with Windows Server (2003/2008/2012), Windows 7/8/10/11 (with correct driver setup), Linux, and VMware ESXi/Hyper-V/KVM/Xen.
Use Case	Ideal for servers, workstations, data centers, virtualization, and high-speed network storage solutions.

How we compare

Feature	10Gtek Dual SFP+	Others
Controller Chip	Intel 82599ES	Varies by brand; may use Intel or other controllers
Port Type	Dual SFP+	Varies; may be SFP+, RJ45, or other types
Interface	PCI-E X8	Typically PCI-E X8 or X16
Virtualization Support	VMware, Hyper-V, KVM, Xen	Varies by brand; often supports major platforms
Price Range (Local)	N/A (Imported)	₹8,000 - ₹15,000+ for comparable 10GbE NICs

SKU	kkg1936
GTIN	0603149407824
Brand	10Gtek
Model Number	X520-10G-2S
Controller	Intel 82599ES
Ports	Dual SFP+
Interface	PCI Express X8 (compatible with X16 slots)
Data Transfer Rate	10 Gbps
Cabling Type	SFP+ Direct Attached/LC Fiber Cable Twin Axial Cabling up to 10 m
Form Factor	Standard and Low-Profile Bracket Included
Operating System Support	Windows Server, Linux, VMware ESXi/Hyper-V/KVM/Xen
Item Weight	0.17 kg (0.35 lb)
Item Dimensions	10.35 x 6.42 x 2.17 inches (26.3 x 16.3 x 5.5 cm)
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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10Gtek Dual SFP+ Port 10Gb PCI-E NIC Network Card with Intel 82599ES Controller | PCIe X8 Lane Adapter

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About this item

Key Features

Why choose this product

How to use

Example scenarios

Technical specifications

Setup & usage

How we compare

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