Best 4 Port Network Cards in 2026

1. This FS-U2S-Pro is a PCIE X1 interface to 2X 5Gbps (USB-A ports) USB 3.0 expansion card. Allow users add 2X 5Gbps max USB-A ports on Desktop PCs, MAC Pros, Working Stations, and NAS Data Centers for large data transfers. It will light up 2X USB 3.0 devices which including USB keyboard, USB mice, USB speakers, USB KVM switch, USB HUB, USB flash drive, printers, game pad, smartphone, tablet, and more USB-A interface devices.

2. Built in FebSmart Self-Powered Technology, users do not need to plug any additional power cable from PCs power supply unit. Allow each 5Gbps USB-A port get 5V/2A (5V/4A in total) max power supply for high-power consuming USB 3.0 devices (NOT support fast charging) such as indusrial cameras, VR-Systems, USB 3.0 NVME enclosures, USB SATA HDD/SSD enclosures, live broadcast devices, USB 3.0 video adapters and USB 3.0 universal docking stations.

3. Based on ASMedia ASM1042 5Gbps 5Gbps USB 3.0 host controller, will compatible with ARM, AMD, MAC, and Intel hardware platform Desktop PCs. FebSmart built in 2X voltage transformers to pick up 12V power from motherboard and covert to 5V/4A in total power supply for 2X USB 3.0 devices power consumption. Febsmart also designed 2X electronic safty fuse, 2X voltage stable capacitor and 2X voltage stable inductance to protect USB 3.0 devices and users data safety.

1. FS-U4-Pro is a PCIE X1 interface to 4-Ports USB 3.0 expansion card. Allow users add 4X 5Gbps max USB-A ports on Desktop PCs, Working Stations, and NAS Data Centers. It will light up 4X high power consumption USB 3.0 devices which including indusrial cameras, VR-systems, USB 3.0 NVME enclosures, live broadcast devices, USB 3.0 SSD/HDD enclusures, USB 3.0 video adapters and USB 3.0 universal docking stations.

2. Based on 1X RENESAS UPD720201 5Gbps USB 3.0 host controller will compatible with AMD, ARM, and Intel harware platform Desktop PCs. The 4X added-on USB-A ports will share 5Gbps total bandwidth. It will also compatible with 4X normal USB devices such as USB keyboard, USB mice, USB speakers, USB KVM switch, USB HUB, USB flash drive, printers, game pad, smartphone, tablet, and more USB-A interface devices.

3. Built in FebSmart Self-Powered Technology, no need to plug any additional power cables from Desktop PCs power supply unit. Allow each USB 3.0 port get 5V/2A 10W max (5V/8A 40W in total) power supply from motherboard directly for connected high power consumption USB 3.0 devices. FebSmart add 4X electronic safty fuse and 4X voltage stable capacitor and 4X voltage stable inductance on the USB expansion card, will protect users data and USB 3.0 devices, make sure connection safty.

【COMPATIBLE WITH OS】Compatible with Windows 10 / 8 / 8.1 / 7 / XP / Vista, Windows Server 2012 / 2008 R2 / 2008 / 2003, UEFI, Linux kernel up to 5.6 operating systems.

【DRIVER INSTALLATION REQUIRED】To find more OS compatibility version or driver download, go to Realtek: https:// www . realtek. com/zh-tw/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software.

【2.5GBPS PCIE NETWORK ADAPTER WITH RTL8125B CHIP】PCIe 2.5G 4-Speed Multi-Gigabit Network Adapter supports data rate up to 2.5 Gbps. It will increase business working efficiency by increasing the network speed. The transmission is more stable, and it is not easy to cause packet loss and distortion.

1. FS-U4L-Pro is a PCIE X1 interface to 4-Ports USB 3.0 expansion card. Allow users add 4X 5Gbps max vertical USB-A ports on Desktop PCs, Working Stations, and NAS Data Centers. It will light up 4X high power consumption USB 3.0 devices which including indusrial cameras, VR-systems, USB 3.0 NVME enclosures, live broadcast devices, USB 3.0 SSD/HDD enclusures, USB 3.0 video adapters and USB 3.0 universal docking stations.

2. Based on 1X RENESAS UPD720201 5Gbps USB 3.0 host controller will compatible with AMD, ARM, and Intel harware platform Desktop PCs. The 4X added-on vertical USB-A ports will share 5Gbps total bandwidth. It will also compatible with 4X normal USB devices such as USB keyboard, USB mice, USB speakers, USB KVM switch, USB HUB, USB flash drive, printers, game pad, smartphone, tablet, and more USB-A interface devices.

3. Built in FebSmart Self-Powered Technology, no need to plug any additional power cables from Desktop PCs power supply unit. Allow each USB 3.0 port get 5V/2A 10W max (5V/8A 40W in total) power supply from motherboard directly for connected high power consumption USB 3.0 devices. FebSmart add 4X electronic safty fuse and 4X voltage stable capacitor and 4X voltage stable inductance on the USB expansion card, will protect users data and USB 3.0 devices, make sure connection safty.

【COMPATIBLE WITH OS】Compatible with Windows 10 / 8 / 8.1 / 7 / XP / Vista, Windows Server 2012 / 2008 R2 / 2008 / 2003, UEFI, Linux kernel up to 5.6 operating systems.

【DRIVER INSTALLATION REQUIRED】To find more OS compatibility version or driver download, go to Realtek: https:// www . realtek. com/zh-tw/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software

【2.5GBPS PCIE NETWORK ADAPTER WITH RTL8125B CHIP】PCIe 2.5G 4-Speed Multi-Gigabit Network Adapter supports data rate up to 2.5 Gbps. It will increase business working efficiency by increasing the network speed. The transmission is more stable, and it is not easy to cause packet loss and distortion.

✅NIC Controller(s): Base on original Intel I350 chip, which supports Single Root I/O Virtualization and improve servers stability. Compare to Intel I350-T4.

✅Support OS：Windows 7/8/10/Vista/XP, 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 Esxi 5/6/7, SLSE 11/12, etc.

✅Quad RJ45 NIC: RJ45 Ports (10/100/1000Mbps) to connect Cat5/ Cat6/ Cat7, up to 100 meters. PCIe v2.1 (5 G T/s) x4 Lane, compatible with PCIE X4, X8, X16 Slot.

Built with original Intel I350 Gigabit Ethernet Controller chip, enables customers to take full advantage of 1GbE. Compare to Intel I350-T4(NOTE: DON'T SUPPORT LINK AGGREGATION IN WIN10.).

Low Profile & Full Height brackets. PCI Express* 2.1. 5 GT/s x4 Lane. Compatible with x4, x8, x16 standard (except x1 slots) and low-profile PCI Express* slots.

Quad 10/100/1000Mbps RJ45 ports which can support cat5 cable up to 100m. Support Link Aggregation (support Link Aggregation for Win10). Transmission Rate Per Port: 10/100/1000Mbps.

Single-port 2.5 GbE network expansion card

Controller: Intel Ethernet Controller I225-LM

Connector: RJ45

4 Gigabit Ethernet ports

10/100/1000Mbps data rate auto negotiation operation

Features full duplex mode that doubles the network connections speed

ENHANCE YOUR NETWORK CAPABILITIES: This 4 port PCIe network card supports Intel VT-c for improved performance in both virtualized and non-virtualized environments

HIGH BANDWIDTH CONNECTIVITY: The Intel 4 port NIC features a high-performance Intel i350 chipset that supports link aggregation / teaming support, enabling you to add bandwidth to your system

ADD REDUNDANT CONNECTIONS: Helping to avoid network downtown, this Gigabit Ethernet card provides redundancy and performance, making it ideal for mission critical applications

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.

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RELIABLE COVERAGE: We offer 5G 4G LTE NATIONWIDE COVERAGE including Hawaii, Puerto Rico, and US Virgin Islands on the LARGEST AND FASTEST NETWORK. Forget about dropped calls, loading issues or slow data speeds. You can check specific network ranges on the SpeedTalk Mobile Coverage Map.

UNIVERSAL COMPATIBILITY: Bring your own phone allows you to use any compatible cell phone on the SpeedTalk Mobile network. The Sim Card can be used to ACTIVATE ANY UNLOCKED 5G 4G GSM COMPATIBLE PHONE including iPhones, Androids Samsung Galaxy, Google Pixel, LG, Windows, and non-smartphones. Our Sim Card is designed in 3 different sizes (MINI/MICRO/NANO) to ensure that you can use it with a variety of devices. Just punch out the size that fits your device and insert it.

OEM

Quad Port RJ45 Ports

pcie Gen 1.0 Slot Compatible

Ethernet Controller(s): for Intel I350AM2

PCI Express* 2.1 (5GT/s) , operable in x4 or greater slots

Scalable iSCSI performance delivering cost-effective SAN connectivity

Chip Model: X710 10 Gigabit Ethernet Controller

Interface Type: PCI-E V3.0 X8,Compatible x16

Network interface type: 4 * SFP + interface

593743-001

HP

HP 593743-001 NC365T PCI-E 4 Port Gigabit Ethernet Adapter 593720-001

PCI-Express X1 to Mini PCIe Interface wireless wifi adapter with SMA Antenna

Work with half-high Mini PCIe wireless network cards, such as Intel MPE-AX3000H, AX210HMW, AX200HMW, 7265HMW, 7260HMW, 62230ANHMW, 633ANHMW, 622ANHMW, 62205ANHMW and Broadcom, Realtek, Atheros Mini PCIe wireless network card. Support WiFi 4/5/6/6E, Bluetooth 4.0/4.1/4.2/5.0/5.1/5.2

Work with Coral Mini PCIe Accelerator

4 x RJ45 copper port I340T4BLK card supports for multi-core processors and server virtualization for your networking requirements

Interface Type: PCIe v2.0 (5.0 GT/s) X4,Compatible x8,x16 lane. Low profile bracket and driver CD will be packaged.

Cabling Type: It offers high-speed transmission over CAT5e UTP cable or CAT3 UTP(10Mbps only)cable. (Cat5e / Cat6 / Cat6A or higher cable is recommended.);Transmission rate: 10/100/1000Mbps.

Ethernet Controller(s): for Intel 82576

PCI Express* v2.0 (2.5 GT/s), PCI Express x1, Compatible with PCIe x4/x8/x16 slot

Simple Network Management Protocol (SNMP) and Remote Network Monitoring (RMON) statistic counters

Ultra Fast - Based on your bandwidth, this PCI-based 10/100/1000/10000Mbps PCIe Adapter can upgrade your Ethernet speed to 10 Gigabits for any PCI Express x4, x8 or x16 slot.

Excellent RJ45 Interface - With AQC107 Chipset, RJ45 port can ensure the transmitting data rate of internet runs up to 10Gbps at 100 Cat 6a cable and 5Gbps/2.5Gbps/1Gbps/100Mbps at 100m Cat 5e/Cat 6 cable. Low profile and standard profile bracket inside works with both mini and standard size PCs.

Automatic Full & Half Duplex - The speed and communication method are determined by the network cards of both parties according to the automatic negotiation of the line to download or upload simultaneously or exchange data in turn.

Four Independent Gigabit Ethernet ports with MAC Addresses; Up to 9K Jumbo Frame support; Fully Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab; Supports 10/100/1000M data auto-negotiation

Automatic MDI/MDIX crossover at all speeds; Support Wake On Lan (WOL) power management; Full duplex mode that doubles the network connections speed; Theoretical speed of 16 Gbps via PCIe x4 link

Comes with both Standard and Low Profile bracket for Slim Chassis, Desktop, Rackmount; comprehensive drivers for all desktop operating systems, including Microsoft Windows and Linux

For 2B56 P770 P780 4-port integrated network card 1768 00E0778 00E1258 00E1504

NEW PCIe x16 Riser Card Compatible with ThinkStation P340 M90Q 5C50W00877

Graphics transfer card, 4 PORT network pci-e card

Replacement For : 5C50W00877

【Intel controller】: The 100g dual-port network card is based on the original Intel E810 controller, is supplemented by the expansion function of hardware acceleration data packet processing, and the application queue technology is introduced. PCI Express v4.0 x16, compatible with PCI Express v3.0.

【Supported operating systems】: Windows Server 2016 R2/2019 R2; Linux Stable Kernel version 4.x/5.x or later; CentOS/RHEL 7.x or later; Ubuntu 16.x or later; VMware ESX/ESXi 5.x/6.x or later.

【Technical Support】: PXE, iSCSI, RDMA, Jumbo Frames, DPDK, SR-IOV、VxLAN、GENEVE、GRE

4 Gigabit Ethernet ports

10/100/1000Mbps data rate auto-negotiation operation

Supports Giga Lite (500M) mode

✅ Easily add a multi-Gigabit Ethernet port through an available x1 PCIe slot to server and desktop computers Compliant with PCI Express Specification Revision 2.1

✅ Compatible with NBASE-TTM Alliance PHY Specification Supports 4 Multi-Speed of 10M/100M/1Gbps/2.5Gbps Ethernet data rates

✅ Compatible with IEEE 802.3, 802.3u, 802.3a, IEEE 802.3bz (2.5GBase-T), IEEE 802.1Q VLAN tagging, IEEE 802.3az (Energy Efficient Ethernet) Supports jumbo frame to 16K bytes for higher and better data throughput

10/100/1000Mbps data rate auto negotiation operation

Features full duplex mode that doubles the network connections speed

Fully compliant with IEEE802. 3, 802. 3U and 802. 3ab

✅ Adds four independent Gigabit Ethernet ports through an available PCI Express slot to server or desktop systems, with Power over Ethernet capability Intel I350-T4 chipset supports reliable and advanced network connectivity

✅ Compliant with IEEE 802.3, 802.3u, 802.3ab with full duplex and Wake-on-LAN support Supports IEEE 802.3at PoE+ standard, with up to 30W power output per portAdds four independent Gigabit Ethernet ports through an available PCI Express slot to server or desktop systems, with Power over Ethernet capability Intel I350-T4 chipset supports reliable and advanced network connectivity

✅ Supports IEEE 802.3az Energy Efficient Ethernet (EEE) Supports PXE network boot

SIIG IO Card JJ-P49012-S7 CyberSerial 4S 950 PCI 4-Port Serial Adapter with 16950 Controller Card (JJ-P49012-S7)

Siig JJ-P49012-S7

Intel X710-BM1 10 Gigabit Ethernet Controller: Unified Networking Delivering LAN, iSCSI, NFS and FCoE in One Low Cost CNA. I/O Virtualization Innovations, Support VMDq, PCI-SIG&SR-IOV Implementation.

SFP Connections: PCIe 3.0 x 8 Host Interface and 10GbE Quad-Port Transmission, support 10GBASE-SR, 10GBASE-LR and SFP+ Copper Direct Attach cable.

Features: Advanced traffic steering increases TPS and reduces latency for cloud applications. Dynamic device personalization (DDP) increases packet processing efficiency. Data plane development kit (DPDK) optimised for efficient packet processing.