Best 2.5 Gb Network Card – Buying Guide

12.5GBase-T PCIe Network Adapter 2.5 gb Ethernet Card,RLihm 2.5gb Network ... Top Pick

2.5GBase-T PCIe Network Adapter 2.5 gb Ethernet Card,RLihm 2.5gb Network …

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2USB 2.5Gb Ethernet Adapter, ULT-WIIQ USB 3.0 to 2.5 Gigabit ... Best Quality

USB 2.5Gb Ethernet Adapter, ULT-WIIQ USB 3.0 to 2.5 Gigabit …

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3StarTech.com 1 Port PCI Express 10GBase-T/NBASE-T Ethernet Network Card - ... Recommended

StarTech.com 1 Port PCI Express 10GBase-T/NBASE-T Ethernet Network Card – …

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42.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet ...

2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet …

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5TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCle Slot ...

TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCle Slot …

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6Cudy 2.5Gbps PCI Express Network Adapter, 2.5GBase-T PCIe Card, RTL8125 ...

Cudy 2.5Gbps PCI Express Network Adapter, 2.5GBase-T PCIe Card, RTL8125 …

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7NICGIGA 2.5G Base-T PCIe Network Adapter, Realtek RTL8125B 2.5Gbps/1Gbps/100Mbps PCI ...

NICGIGA 2.5G Base-T PCIe Network Adapter, Realtek RTL8125B 2.5Gbps/1Gbps/100Mbps PCI …

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8TP-Link 10/100/1000Mbps Gigabit Ethernet PCI Express Network Card (TG-3468), PCIE ...

TP-Link 10/100/1000Mbps Gigabit Ethernet PCI Express Network Card (TG-3468), PCIE …

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9goCoax RTL8125B 2.5GBase-T PCIe Network Card with Backward Compatibility. Supporting ...

goCoax RTL8125B 2.5GBase-T PCIe Network Card with Backward Compatibility. Supporting …

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10Dual 2.5 Gigabit Ethernet PCI-E Network Expansion Card RJ45 LAN ...

Dual 2.5 Gigabit Ethernet PCI-E Network Expansion Card RJ45 LAN …

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Review of Best 2.5 Gb Network Card

Top Pick

2.5GBase-T PCIe Network Adapter 2.5 gb Ethernet Card,RLihm 2.5gb Network ...

1. 2.5GBase-T PCIe Network Adapter 2.5 gb Ethernet Card,RLihm 2.5gb Network …

  • Brand: RLihm
  • Manufacturer: RLihm
  • Color: Black

Features

  • 🌐【2.5Gbps Network Speed】Up to 2.5 times faster data transfer speed, using next-generation 2.5GBase-T technology, faster than standard Gigabit Ethernet, better for large-scale games and complex task processing, providing a better experience for desktop computers.
  • 🕹️【High Performance Chip】RLihm 2.5GBase-T pci express network card adopts Intel I225-V chip, which is stable and fast, and performs well in large-scale games and complex multitasking. The 2.5 gb ethernet card auto-negotiates between high-speed and low-speed connections, automatically adapting to the connected network device.
  • 🎮【Heatsinks and Brackets】The pci express network card comes with standard brackets and low profile brackets, suitable for desktop and small/slim computers/servers; to improve usage stability and cool down quickly, our network cards are equipped with heat sinks.
  • 📲【OS Support】RLihm network card for pc is fully compatible with Windows 10/11 and Linux to meet more of your needs.
  • 🖥️【Full Compatibility】This pc network card is compatible with PCIE-1, PCIE-4, PCIE-8 and PCIE-16 slots and is compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3bz.PCI Express Gigabit Ethernet Card is not suitable for servers with 6th generation CPU and below.
  • 🛎️【Service Guarantee】Quality Products and POerfect Service – this is our ultimate goal. If you have any ideas or questions about our products, please contact us and we will answer you immediately.

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Best Quality

USB 2.5Gb Ethernet Adapter, ULT-WIIQ USB 3.0 to 2.5 Gigabit ...

2. USB 2.5Gb Ethernet Adapter, ULT-WIIQ USB 3.0 to 2.5 Gigabit …

  • Brand: ULT-WIIQ
  • Manufacturer: ULT-WIIQ

Features

  • 【2.5Gb USB 3.0 Lan Adapter】 The USB A 3.0 to RJ-45 adapter supports 10/100/1000/2500 Mbps via a USB A 3.0 port. 2.5Gbps is 2.5x faster than 1000Mbps Gigabit Ethernet adapters and wireless connections. *USB 2.0 only supports 10/100 Mbps. Up to 2.5Gbps requires all devices conform to the latest IEEE 802.3bz standard supported, including a normative Cat 6A cable (<20m), the latest official Realtek driver, USB A 3.0 port, 2.5Gb switch, 2.5Gb router, PC with SSD, and more.*
  • 【Simple to Set Up】 The USB Ethernet Adapter plugs and plays on Mac OS (Big Sur or later) without driver installation. Windows 11/10/8/7, the elementary driver can be found in My Computer once this Adapter is connected to the system. Linux Kernel 5.13 or later, RTL8156b support has been added. *Note: NOT compatible for Nintendo Switch. If test is not 2.5Gbps or system does not recognize it, please install the latest driver from Realtek official website (USB 2.5G, not PCIe 2.5G).*
  • 【Impressive Stability & Security】 ULT-WIIQ USB Ethernet Adapter adopts the latest version 2.5Gb chipset to maintain ultra-fast, stable and secure data streaming. It supports Auto MDI/MDIX, Wake-On-LAN and ‘RealWoW!’ Technology, and also offers many advanced power management features for energy saving, such as LPM (Link Power Management), U1/U2/U3 at SuperSpeed, L1/L2 at HighSpeed, power down/link down power saving and more. Aluminum case and nylon braided material for a longer lifespan.
  • 【Universal Compatibility】 ULT-WIIQ USB network adapter supports USB-A Laptops, PCs, Tablets, NASes and Servers running Mac OS, Windows, Debian, CentOS, Ubuntu, Proxmox VE or other systems which are based on UNIX/Linux. Driver free requires Windows 10 21H1 or later, Mac OS Big Sur or later, Linux Kernel 5.13 or later. Compatible with MacBook Pro 2019, Dell XPS 13/15, Thinkpad T14/X1, etc. It also can work with Synology NASes by installing a third-party DSM driver.
  • 【 Friendly Customer Service】 Every product is exhaustively tested before being sold. We also offer 18 Months manufacturer warranty and lifetime friendly service support. Please feel free to contact us if you have any question, professional and prompt customer service will be offered within 24 hours.

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Recommended

StarTech.com 1 Port PCI Express 10GBase-T/NBASE-T Ethernet Network Card - ...

3. StarTech.com 1 Port PCI Express 10GBase-T/NBASE-T Ethernet Network Card – …

  • Brand: StarTech
  • Manufacturer: STARTECH.COM
  • Color: black
  • Dimensions: Height: 0.8 Inches Width: 4.7 Inches Length: 3.3 Inches Weight: 0.12 Pounds `

Features

  • Add an Ethernet port to a server or workstation with support for 5 network speeds: 10G/5G/2.5G/1G/100Mbps
  • 1-Port PCI Express 10GBase-T/NBASE-T Ethernet Network Card
  • 5-speed network adapter card w/ PCIe 2.0 x4 interface
  • 10GBase-T and NBASE-T NIC
  • 1 port PCIe network adapter card

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2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet ...

4. 2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet …

  • Brand: ULANSeN
  • Manufacturer: ULANSON
  • Dimensions: Height: 0.062992 Inches Width: 1.9685 Inches Length: 2.814955 Inches

Features

  • Compatible for X1,X4,X8,X16
  • Comes with low profilce bracket
  • Support PXE function an Wake on LAN
  • Support DSM,PVE,ikuai,unraid6.9.2, OpenWrt ESXI6.7 (Doesn’t support ESXI 7.0)
  • Freely compatible, the network card can support multiple system: Windows ME/98SE/2000/XP, Win7 / Win8 / Win10 / Vista / Sever 2003/2008 / 2012 /2016/ Linux / DOS/MAC OS

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TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCle Slot ...

5. TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCle Slot …

  • Brand: TRENDnet
  • Manufacturer: TRENDnet
  • Dimensions: Height: 0.7 Inches Width: 2.5 Inches Length: 3.3 Inches Weight: 0.2875 Pounds `

Features

  • 2.5GB ETHERNET PORT: 2.5G network adapter supports three speeds: 2.5Gbps, 1Gbps, and 100Mbps over standard Cat5e cables at distances up to 100m (328 ft.)
  • PCIe to 2.5G: This 2.5GBASE-T PCIe Network Adapter converts a PCIe slot into a 2.5G Ethernet Port
  • COMPATIBLE OPERATING SYSTEMS: This network adapter is compatible with Windows, Windows Server operating system.
  • JUMBO FRAME: Sends larger packets, or jumbo frames (up to 9KB), for increased performance.
  • Includes standard and low-profile brackets
  • IEEE 802.3ab and 802.3bz compliant

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Cudy 2.5Gbps PCI Express Network Adapter, 2.5GBase-T PCIe Card, RTL8125 ...

6. Cudy 2.5Gbps PCI Express Network Adapter, 2.5GBase-T PCIe Card, RTL8125 …

  • Brand: Cudy
  • Manufacturer: Shenzhen Cudy Technology Co., Ltd
  • Dimensions: Height: 0.062992 Inches Width: 1.9685 Inches Length: 2.814955 Inches

Features

  • Up to 2.5 Gbps Speed. Combined with the latest 2.5GBase-T Technology, PE25 delivers extreme speeds of up to 2.5 Gbps, which is 2.5× faster than typical Gigabit adapters, guaranteeing smooth data transmissions for both internet access and local data transmissions.
  • Versatile Compatibility. With extreme speed and ultra-low latency, 2.5GBase-T is backwards compatible with Fast Ethernet and Gigabit Ethernet, automatically negotiating between higher and lower speed connections.
  • Support Wake-On-LAN and RealWow Technology (remote wake-up), remotely power on/off your computer with WOL, good for centralized management
  • Low-Profile and Full-Height Brackets. In addition to the standard bracket, a low-profile bracket is provided for mini tower computer cases. Customized options give you the flexibility to find a bracket that perfectly fits your board design.
  • Comprehensive System Support. Fully compatible with Windows 10/8.1/8/7, Windows Servers 2003/2008/2012, and Linux to meet your diverse operating system needs.

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NICGIGA 2.5G Base-T PCIe Network Adapter, Realtek RTL8125B 2.5Gbps/1Gbps/100Mbps PCI ...

7. NICGIGA 2.5G Base-T PCIe Network Adapter, Realtek RTL8125B 2.5Gbps/1Gbps/100Mbps PCI …

  • Brand: NICGIGA
  • Manufacturer: NICGIGA
  • Dimensions: Height: 0.787401574 Inches Width: 2.362204722 Inches Length: 3.93700787 Inches

Features

  • [Super-fast 2.5Gbps Networking] High up to 2.5x-speed with Realtek RTL8125B chip, much faster data-transfer speeds for gaming, living broadcasts and downloads in bandwidth-demanding tasks.
  • [Complete Compatibility] Seamless backward compatibility for 2.5Gbps/1Gbps/100Mbps, Support Windows11/10/8.1/8/7and Linux, no dirver needed on Windows10, easily download the driver in Realtek official website for other OS.
  • [PCIe to 2.5G RJ45] This 2.5GBASE-T PCIe Network Adater convers a PCIe slot(X1/X4/X8/16) into a 2.5G RJ45 Ethernet Port. Note: Only work with PCIe slot, not for PCI slot.
  • [Widely Use with Heat Sink]Comes with standard bracket and low-profile-bracket to meet the needs of different cases such as desktop, workstation, server, mini tower computer and so on. Excellent heat dissipation can reduce the temperature quickly and maintain the stability of network transmission.
  • [Customer Service]Friendly service for lifetime technical support and 1 year warranty free exchange. If you encounter any problems, please contact us, our customer team will slove the problem for you within 24 hours.

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TP-Link 10/100/1000Mbps Gigabit Ethernet PCI Express Network Card (TG-3468), PCIE ...

8. TP-Link 10/100/1000Mbps Gigabit Ethernet PCI Express Network Card (TG-3468), PCIE …

  • Brand: TP-Link
  • Manufacturer: TP-LINK USA
  • Dimensions: Height: 5.31 Inches Width: 1.1 Inches Length: 6.3 Inches Weight: 0.1984160358 Pounds `

Features

  • 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
  • Compatibility: Windows 10, 8.1, 8, 7, Vista, XP
  • Dual Bracket: Low profile and standard profile bracket inside works with both mini and standard size PCs
  • From Reliable Brand: TP Link has been ranked as the World’s No. 1 provider of WLAN products for the past consecutive 7 years by IDC. In 2017

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goCoax RTL8125B 2.5GBase-T PCIe Network Card with Backward Compatibility. Supporting ...

9. goCoax RTL8125B 2.5GBase-T PCIe Network Card with Backward Compatibility. Supporting …

  • Brand: goCoax
  • Manufacturer: GOCOAX, INC

Features

  • 2.5Gbps Network Card: 2.5Gbps Multi-Speed, supports three speeds: 2.5Gbps, 1Gbps, and 100Mbps over standard Cat5e cables at distances up to 100m (328 ft.)
  • PCI-E to RJ45 Ethernet Port: Network adapter card fits any PCI Express x1, x2, x4, x8 or x16 socket. You can add a 10/100/1000/2500Mbps Ethernet port to any PC through a PCIe slot.
  • Wide Compability: Gigabit network card fully compliant with IEEE 802. 3, IEEE 802. 3u, IEEE 802. 3ab, IEEE 802. 3az and IEEE 802. 3bz standards. Supports a broad range of operating systems.
  • Low-Profile and Full-Height Brackets: In addition to the standard bracket, a low-profile bracket is provided for mini tower computer cases. Customized options give you the flexibility to find a bracket that perfectly fits your board design. Note: only work with PCIe slot, not for PCI slot.
  • What you get: 1x 2.5G Gigabit PCI-E network card,1x low-profile brackets,1x Standard-Profile brackets. If you are not satisfied with this network card, Please feel free to Contact us, our customer team will slove the problem for you within 24 hours.

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Dual 2.5 Gigabit Ethernet PCI-E Network Expansion Card RJ45 LAN ...

10. Dual 2.5 Gigabit Ethernet PCI-E Network Expansion Card RJ45 LAN …

  • Brand: Syba
  • Manufacturer: Syba
  • Dimensions: Height: 5.5 Inches Width: 0.5 Inches Length: 4.2 Inches

Features

  • With this PCIe Card, you can add a 10/100/1000/25000 Mbps Ethernet port to any PC through a PCIe slot. Fits any PCI Express x1, x2, x4, x8 or x16 socket; additional 8cm low-profile bracket provides the option for installation in small size HTPC case.
  • This pci-based 10/100/1000/25000 Dual 2. 5 Gigabit Ethernet network adapter card provides a simple connection to two 2. 5 Gigabit Ethernet network, and is fully compatible with 802. 1Q virtual LAN (VLAN) tag. And Ethernet card which Is compliant to IEEE802. 3, IEEE802. 3U & IEEE802. 3ab.
  • The high quality PCIe Dual 2. 5 Gigabit NIC with 12cm profile bracket and additional 8cm profile bracket that makes it easy to install the card in a small form Factor/Low profile computer case/server.
  • 2. 5 Gigabit network card Compatible with a broad range of operating systems, including Windows 10, 8/8. 1, 98SE, ME, 2000, XP, XP-64bit, Vista, Vista-64bit, 7, 7-64bit, Linux, 10. 7
  • What you get: IO crest 2. 5 Gigabit PCI-E network card x1, driver Disk x1, 8cm low-profile bracket x1. Backed by Syba 3 year hassle-free and lifetime customer service. Important Note: only work with PCI-E slot, not for PCI slot.

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