Best Qnap Network Cards in 2026

Ultra-Fast: 10/100/1000Mbps PCIe Adapter upgrade your Ethernet speed to Gigabit

Automation: Wake-on-LAN supporting Auto-Negotiation and Auto MDI/MDIX

Supports: IEEE802.3x Flow Control for Full-duplex Mode and backpressure for Half-duplex Mode; 4k Bytes Port: 1x 10/100/1000Mbps RJ45 Network Media

Super-Fast Speed – Make full use of your network with AC1200 WiFi speeds (867 Mbps on the 5GHz band and 300 Mbps on the 2.4GHz band)

Bluetooth 4.2 – Achieve 2.5× faster speed and 10× more packet capacity than Bluetooth 4.0

Broad Wireless Range – Connect to your WiFi from further away with two external high-gain antennas ensuring greater range and enhanced stability

Supports Windows 7/8/2000/XP/Vista/Windows Server 2003/2008/2012; Novell Netware 5.x/6.x; Linux; FreeBSD 7.x or later; DOS; SCO Open Server; UnixWare / OpenUnix 8; Sun Solaris x86; OS Independent Vmware ESX (Does not support VMware ESXi 7.0 or above)

PCI Express 2.1. 2.5 GT/s x1 Lane. Compatible with x1, x2,x4, x8, x16 standard and low-profile PCI Express slots.

Compatible with IPMI pass-through (SMBus or NC-SI), iSCSI boot, WoL, PXE remote boot, VLAN filtering

✅Controller(s): Base on Broadcom BCM57810S Controller, which supports Single Root I/O virtualization and improve servers stability. Compare to Broadcom BCM57810S Ethernet Network Card.

✅Support OS：Windows 7/8/10, Windows Server 2008/2012/2016/2019, Linux, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware ESX/Esxi 6/7, SLSE 11/12,etc.

✅SFP+ PCI-E NIC: 10Gb Dual SFP+ Ports, apply to 10G SFP+ module/ DAC /AOC. PCI Express 2.0. 5.0 G T/s x 8 Lane, compatible with PCIE X8, X16 Slot.

Equipped with high quality original Intel 82599EN controller which supports I/O virtualization and make the servers more stable.

Compatible with Windows Server 2003/ 2008/ 2012, Windows7/8/10/Visa, Linux, VMware ESX.

Single SFP+ port 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.

✅Premium Controller: Gigabit NIC base on original Intel 82576 chip, which supports Intelligent Offloads and improve servers stability. Compare to Intel E1G42ET.

✅10/100/1000Mbps NIC: Dual RJ45 Ports support 10/100/1000Mbps and connect Cat5/ Cat6/ Cat7, up to 100 meters. PCIe v2.0 (5GT/s), x1 Lane, compatible with PCIE X1, X4, X8, X16 Slot

✅Widely Compatible OS：Windows 7/8/10/Visa/XP, Windows Server 2003/ 2008/ 2012, Linux, VMware ESX. (Does not support VMware ESXi 7.0 or above.)

Compatible for X1,X4,X8,X16，Comes with low profilce bracket

Driver link is on the bracket,pls freely download

Support PXE function an Wake on LAN

10G Network Card ：Adopting Marvell AQtion AQC113C Controller, it provides up to 10 Gbps of extreme speed to ensure the stability of Internet access and local data transmission, effectively preventing packet loss and making the server more stable.

Good compatibility: seamless backward compatibility with 10Gbps/5Gbps/2.5Gbps/1Gbps/100Mbps can auto-negotiate between high-speed and low-speed connections, supports Windows 11/10 and Windows Server , comes in the box with a USB drive to store drivers to avoid the hassle of downloading drivers.

PCIe to 10Gbe RJ45: This 10G BASE-T PCIe network adapter converts PCIe slots (X4/X8/16) into 10G RJ-45 Ethernet ports. Note: Only for PCIe ports, not for PCI slots.

Single-port 2.5 GbE network expansion card

Controller: Intel Ethernet Controller I225-LM

Connector: RJ45

Hyper-fast 10Gbps networking delivers up to 10X-faster data-transfer speeds for bandwidth-demanding tasks

Full compatibility with current network standards, including 10/5/2.5/1Gbps and 100Mbps, for seamless backward compatibility

Windows and Linux support for flexible OS integration with Windows 10/8.1/8/7 and Linux Kernel 4.4/4.2/3.6/3.2

Pcie 3.0 ×4, low-profile, Aquantia AQtion AQC107 NIC

10Gbase-t/5GBASE-T/2.5Gbase-t/1000baset-t/100baset-tx (5-speed), one RJ45 port

Full-height and specialized brackets (for designated QNAP NAS) included in the package.

Integrated 10/100/1000BASE-T Transceiver,Includes Half Height Bracket

PCI-E v1.0a compliant,

Automatic MDI Crossover Function

【2.5G Network Adapter】- Adopt the high-performance Realtek RTL8125B master chip. Combined with the latest 2.5GBase-T Technology, which is 2.5× faster than typical Gigabit adapters, guaranteeing smooth data transmissions for both internet access and local data transmissions. The transmission is more stable, and it is not easy to cause packet loss and distortion.

【2.5G RJ45 Ethernet Port】- The PCIe network adater card fits any PCI-E x1, x2, x4, x8 or x16 socket. you can add a 10/100/1000/25000 Mbps Ethernet port to any PC through a PCIe slot.

【Compatibility】- The 2.5gb network card compatible with Windows 11,10, 8.1, 8, 7 OS to meet your diverse operating system needs.

PCI Express 2.0 2.5 GT/s x4 Lane. Compatible with x4, x8, x16 standard and low-profile PCI Express slots.

Supports Windows 7/8/2000/XP/Vista/Windows Server 2003/2008/2012; Novell Netware 5.x/6.x; Linux; FreeBSD 7.x or later; DOS; SCO Open Server; UnixWare / OpenUnix 8; Sun Solaris x86; OS Independent Vmware ESX (Does not support VMware ESXi 7.0 or above)

Compatible with IPMI pass-through (SMBus or NC-SI), iSCSI boot, WoL, PXE remote boot, VLAN filtering,SR-IOV

PCI Express 3.1 :5GT/s Support for x1 width (Lane)

Network Interfaces:Integrated MAC + BASE-T PHY. MDI (Copper) standard IEEE 802.3 Ethernet interface for 2500BASE-T, 1000BASE-T, 100BASE-TX, and 10BASE-TE applications (802.3, 802.3u, 802.3bz, and 802.3ab)

Compatible for X1,X2,X4,X8,X16，Comes with low profile bracket

Transmission rates: 2.5Gbps/1Gbps/100Mbps/10Mbps

Supported operating systems: QTS/QuTS hero (recommend an upgrade to the latest version); Windows 10 (1809 or later); Linux Stable Kernel 4.20/5.x; Windows Server 2019 (Driver required)

Supported QNAP NAS: Models with PCIe slot(s) (1 free slot required)

Extend a Network Port for Your Device: By inserting a PCIe network card into the PCI Express x1 slot, you can upgrade the host with 1 more RJ45 port. It's a perfect choice for a Desktop PC that is fewer network ports or network port failure to connect to the wired network.

Surfing at Full Speed: Using RTL8125B high-performance Chipset,Combined with the latest 2.5GBase-T Technology, delivers extreme speeds of up to 2.5 Gbps, 2.5x faster than typical Gigabit network card, guaranteeing smooth data transmissions for both internet access and local data transmissions. Note: The actual transmission speed is limited by the setting of the device connected.

Widely compatible：Supports the PXE function,RealWow Technology(Wake on Lan),DSM,PVE,ikuai,unraid6.9.2, OpenWrt ESXI6.7 (Doesn’t support ESXI 7.0). Additionally,supports multiple systems-Windows XP/7/8/10,Linux/DOS/support for Intel-based MacOS 10.7(and above).

Dual-port 10Gbase-T Network Expansion Card Retail

Product Type: Computer Component

Country Of Origin: China

Equipped with Intel’s X710 Ethernet Controller

Dual 10GbE (10G/5G/2.5G/1G/100M) ports allows connecting to multiple high speed networking devices

PCIe Gen 3 x4 (compatible with PCIe x4, x1, up to x4 slots are recommended)

Equipped with NVIDIA Mellanox ConnectX-6 Lx SmartNIC controller

Dual 25GbE (supports 10Gbps) ports allows connecting to multiple high speed networking devices

PCIe Gen 3 x4 (compatible with PCIe x4, x1, up to x4 slots are recommended)

Transmission rates: 2.5Gbps/1Gbps/100Mbps/10Mbps

Supported operating systems: QTS/QuTS hero (recommend an upgrade to the latest version); Windows 10 (1809 or later); Linux Stable Kernel 4.20/5.x; Windows Server 2019 (Driver required)

Supported QNAP NAS: Models with PCIe slot(s) (1 free slot required)

Equipped with Marvell’s AQtion AQC113C Ethernet Controller

Dual 10GbE (10G/5G/2.5G/1G/100M) ports allows connecting to multiple high speed networking devices

PCIe Gen 3 x4

★Support 40Gbps Dual Port Network Expansion Card

★Connector: QSFP+

★Interface: PCIe Gen3 x8

QNAP SP-E10G-SFP+-DAC Dual-port 10 GbE Card, Dual-port

Gigabit Network Expansion Card for TS-x79, SFP+ DAC, Emulex

Applied Model: TS-879 Pro/ TS-1079 Pro/ TS-879U-RP/ TS-EC879U-RP/ TS-1279U-RP/ TS-EC1279U-RP.

【Reliable Performance】The 10Gb PCI-E NIC Network Card features a single SFP+ port and is equipped with an Intel 82599EN Controller for high-speed and reliable network connectivity.

【Enhanced Compatibility】This network card is designed to support a wide range of operating systems including Windows Server, Linux, and VMware, ensuring seamless integration with your existing network infrastructure. Support OS：Windows 7/8/10/Visa, Windows Server 2008/2012/2016/2019, Linux, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware ESX/Esxi 6/7, SLSE 11/12,etc.

【Easy Installation】Come with Low-profile and full-height brackets, meet different computer or server case needs, add an additional Ethernet port to a workstation or server computer for redundancy. Designed to fit both PCI-E X8 and X16 slots, this network nic is easy to install and can help you upgrade your existing system to handle high-bandwidth applications,