The Best dual port ethernet cards of 2021 – Top 10 and Rankings

If you’re looking for dual port ethernet cards but don’t know which one is the best, we recommend the first out of 10 dual port ethernet cards in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
X-MEDIA Dual Port PCI-E 10/100/1000Mbps Intel 82575EB Gigabit Ethernet PCI Express PCIe Server Network Card / Network Adapter, Windows 10 & Linux Supported [XM-NA3821]
  • Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.1q, 802.1p
  • Data Transfer Rate: Gigabit 10/100/1000Mbps (2-Ports)
  • BUS: PCI Express (PCIe x1)
  • LEDs: ACT/Link
  • Standard / Low Profile Bracket Included
SaleRank No. #2
StarTech.com Dual Port 10G PCIe Network Adapter Card - Intel-X550AT 10GBASE-T & NBASE-T PCI Express Network Interface Adapter 10/5/2.5/1GbE Multi Gigabit Ethernet 5 Speed NIC LAN Card (ST10GPEXNDPI)
  • DUAL PORT 10GbE NETWORK INTERFACE CARD: 10Gbps Dual port PCIe Network Adapter Card copper combines high data transfer rates to provide redundancy or independent connections to multiple networks
  • TECH SPECS: 10 Gbps | 2x RJ45 Ports |Intel X550AT | 10GBASE-T & NBASE-T | Muli-Gigabit 1 / 2.5 / 5 / 10 Gbps | PCI Express 3.0 x4 | 15K Jumbo Frames |VLAN |VT-c |PXE |Full & low profile |2Yr Warranty
  • TESTED & VERIFIED PERFORMANCE: We use Spirent SmartBits validation tools to validate performance; compatible with major operating systems & hypervisor/virtualization platforms
  • ADVANCED FEATURES: Workstation NIC Supports SAN (Storage Area Network) advanced features including iSCSI offload and Fibre Channel over Ethernet (FCoE)
  • WIDE HYPERVISOR & OS COMPATIBILITY: Windows 7, 8, 8.1, 10; Windows Server 2008 R2, 2012, 2012 R2, 2016, 2019; Linux kernels 3.x + (LTS versions); VMWare ESXi 5.0, 5.1+
Rank No. #3
Syba Dual Port Gigabit Ethernet PCI Express 2.1 PCI-E x1 Network Adapter Card (NIC) 10/100/1000 Mbps Card with Realtek RTL8111 Chipset, 2 Port (SD-PEX24041)
  • PCIe x1 Lane with 2 5Gbs full duplex channel
  • Backwards compatible to 10/100 BaseT networking
  • 10/100/1000Mbps data rate auto negotiation operation
  • Fully compliant with IEEE 802 3 802 3u 802 3ab
  • Supports full duplex control
Rank No. #4
StarTech.com Dual Port PCIe Network Card - Low Profile - RJ45 Port - Realtek RTL8111H Chipset - Ethernet Network Card - Dual Port Gigabit NIC (ST1000SPEXD4)
  • ADD AN ETHERNET PORT TO ANY PC: Use this dual port PCIe network card to add a two independent Gigabit Ethernet RJ45 ports to a client, server or workstation through one PCI Express slot
  • ULTIMATE COMPATIBILITY: The PCI Express NIC server adapter network card uses the Realtek RTL8111 series chipset which offers out-of-the-box compatibility with most desktop and server operating systems
  • ADVANCED FEATURES: This PCIe network adapter has a broad feature set that supports Auto MDIX, full and half duplex speeds, wake-on-LAN (WoL) and 9K jumbo frames
  • FULLY COMPLIANT: This professional-grade Gigabit Ethernet card is fully compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab standards
  • Protect critical networked systems with a redundant and independent Gigabit port
Rank No. #5
StarTech.com Dual Port Gigabit PCI Express Server Network Adapter Card - 1 Gbps PCIe NIC - Dual Port Server Adapter - 2 Port Ethernet Card (ST1000SPEXD4)
  • Brand StarTech, Model ST1000SPEXD4
  • Packaged Quantity: 1, Product Type: Gigabit Ethernet Card, Host Interface: PCI Express x1, Total Number of Ports: 2, Number of Network (RJ-45) Ports: 2,
  • Media Type Supported: Twisted Pair, Network Technology: 10/100/1000Base-T, Form Factor: Plug-in Card, Height: 4.7", Width: 0.7", Depth: 3.6", Weight (Approximate): 1.90 oz,
  • Package Contents: Dual Port Gigabit PCI Express Server Network Adapter Card - PCIe NIC, 1 x Low Profile Bracket, 1 x Driver CD, 1 x Instruction Manual,
  • Device Supported: Server, Platform Supported: PC, Platform Supported: Linux, Platform Supported: Mac, System Requirements: Windows 10, Environmentally Friendly: Yes, Environmental Certification: WEEE, Environmental Certification: RoHS, Operating System Compatibility: Linux 2.4, Operating System Compatibility: Mac OS X 10.4.4 Tiger, Operating System Compatibility: Windows 8, Operating System Compatibility: Windows 8.1, Operating System Compatibility: Windows Vista Busine
Rank No. #6
IIEasy Gigabit PCI Express Network Card - PCIe Ethernet Server Adapter Card - Dual RJ45 Port Gigabit Network Nic 10/100/1000 for Windows Server
  • 2 X 10/100/1000Mbps Compatible RJ-45 Ethernet ports (Dual ISP Broadband) - Ideal for VM environments with multiple operating systems, requiring shared or dedicated NICs
  • Compatible with PCI Express Base Specification 2.0 (Backward compatible with 1.0a/1.1) - Provide redundant connectivity to ensure an uninterrupted network connection
  • Supports IEEE 802.3az (Energy Efficient Ethernet) | IEEE 802.3, 802.3u and 802.3ab compatible | Supports crossover detection and auto- correction - Configure a dual-homed proxy or gateway system for an added layer of security
  • Supports IPv4/IPv6 packet Checksum Offload Engine (COE) to reduce CPU loading, including IPv4 IP/TCP/UDP/ICMP/IGMP & IPv6 TCP/UDP/ICMPv6 checksum check & generation
  • OS Compatibility -Windows 7, 8, 8.1, 10 | Mac OS 10.14 Linux 2.4.x to 4.11.x LTS Versions only
Rank No. #7
StarTech.com 2 Port PCIe Network Card - RJ45 Port - Intel i350 Chipset - Ethernet Server/Desktop Network Card - Dual Gigabit NIC Card (ST2000SPEXI)
  • ENHANCE YOUR NETWORK CAPABILITIES: This 2 port PCIe network card supports Intel VT-c for improved performance in both virtualized and non-virtualized environments.
  • ADD REDUNDANT CONNECTIONS: Helping to avoid network downtown, this Gigabit Ethernet card provides redundancy and performance, making it ideal for mission critical applications.
Rank No. #8
Dual Port Gigabit Ethernet Converged PCI-E x1 Card,2X RJ45 Gigabit Network Interface Controller Adapter,with 82575EB Chipset for Desktops,Work Stations,Servers, with Low Profile Bracket.
  • 【Gigabit NIC Card】PCIe gigabit network card allow desktop computers to upgrade to the latest Gigabit Ethernet through the PCIE X1 slot. Each port will automatically communicate with the router/switch/modem to adjust the Ethernet speed to 10/100/1000Mbps
  • 【2x rj45 gigabit network】Dual Port Gigabit Ethernet card Adopt Intel 82575 main control chip, support intelligent offloading, support link aggregation/teaming support, enabling you to add extra bandwidth to your system and make the server more stable
  • 【Wide Compatibility & Safety】Compatible with Windows XP/10/8.1/8/7,LINUX,NAS,and can be used with PCI Express X1,X4,X8,X16 slots.An additional half-height bracket makes it easy to install on a small computer or server.
  • 【Aluminum alloy heat sink】The aluminum alloy heat sink with high thermal conductivity can effectively remove excess heat, prevent the chip from burning out after long-term use, make the network card run stably and prolong its service life
  • 【Note】1- If the driver cannot be installed automatically after inserting this card, please scan the QR code on the back of the network card or log in to Intel’s official website to download. 2- Do not insert this card when the PC is on. 3- Do not put this PCIE NIC card in PCI slo
Rank No. #9
X-MEDIA Dual Port PCI-E 10/100/1000Mbps Gigabit Ethernet PCI Express PCIe Server Network Card / Network Adapter, Windows 10 & Linux Supported [XM-NA3820]
  • Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.1q, 802.1p
  • Data Transfer Rate: Gigabit 10/100/1000Mbps (2-Ports)
  • BUS: PCI Express (PCIe x1)
  • LEDs: ACT/Link
  • Standard / Low Profile Bracket Included
Rank No. #10
Vogzone 40G QSFP+ Network Card Dual Port Intel XL710 Chip PCI-E 3.0 X8 40 Gigabit Ethernet Server NIC Compare to Intel XL710-QDA2
  • Equipped with Intel XL710 Chip which make the servers more stable. Backed by 3-YEAR WARRANTY.
  • PCIe 3.0 (8.0 GT/s) System Interface Type.
  • Copper Cable Medium. Dual QSFP+ Direct Attach Cabling up to 10m Cabling Type.
  • 40GbE Data Rate Per port with Low Profile Bracket and Full Height Bracket.
  • Supported operating systems: Windows*64-bit (2008 R2, 2012, 2012 R2, 2016, 2019) Linux*£¨RHEL6.x/7.x/8.0, SUSE 11.x/12.x/15.x, Ubuntu*14.x/16.x/1.8x) FreeBSD*10.x/11.x/12.x£¬VMware ESXi 5.1/ 5.5.

How Do You Buy The Best dual port ethernet cards of 2021?

Do you get stressed out thinking about shopping for a great dual port ethernet cards? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching dual port ethernet cards, which is why we have assembled a comprehensive list of the greatest dual port ethernet cards available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for dual port ethernet cards that you consider buying. Your questions might include the following:

  • Is it worth buying an dual port ethernet cards?
  • What benefits are there with buying an dual port ethernet cards?
  • What factors deserve consideration when shopping for an effective dual port ethernet cards?
  • Why is it crucial to invest in any dual port ethernet cards, much less the best one?
  • Which dual port ethernet cards are good in the current market?
  • Where can you find information like this about dual port ethernet cards?

We’re convinced that you likely have far more questions than just these regarding dual port ethernet cards, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for dual port ethernet cards, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible dual port ethernet cards. Make sure that you are only using trustworthy and credible websites and sources.

We provide an dual port ethernet cards buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available dual port ethernet cards currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of dual port ethernet cards has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an dual port ethernet cards?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your dual port ethernet cards.
  5. Customer Ratings: Number ratings grade dual port ethernet cards objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their dual port ethernet cards.
  7. Product Quality: You don’t always get what you pay for with an dual port ethernet cards, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an dual port ethernet cards is should be an indication of how long it will work out for you.

We always remember that maintaining dual port ethernet cards information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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