ULANSeN Network Cards under $100

1 Speed, 2 Ports, PCIe, Broadcom

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Dual-Port Gigabit Ethernet Card w/ NetXtreme BCM5720 for Win8/10/11/Linux | PCIe 2.1 1000M Network Card NIC with IEEE

$30.39as of 11/04/2026 10:08 PST - Details

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Pros

+Two gigabit Ethernet ports

+Broadcom NetXtreme BCM5720 chipset

+PCIe x1 interface fits small slots

+Low-profile bracket fits compact cases

Cons

−Limited to 1Gb/s speed per port

Compared with the 10 Network Cards on this page

−1 speed: 5 of the 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

10 Speed, PCIe, RJ45, Realtek

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ULANSeN 10G PCIe 4.0 X1 PCIe Network Card NIC for Windows11/10/Server 2022 | PCIe to 10 Gigabit Ethernet Card for

$46.54as of 11/04/2026 03:07 PST - Details

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Pros

+10 Gbps speed with 5G, 2.5G, 1G and 100Mbps fallback

+Uses a single PCIe x1 lane

+Low-profile bracket option for small cases

+RJ45 port for standard Ethernet cabling

+Realtek RTL8127AT chipset

Compared with the 10 Network Cards on this page

+10 speed: the highest speed of the 10 here

How pros and cons are picked (About: Disclaimer)

About this product

2.5 Speed, PCIe, RJ45, Realtek

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2.5GBase-T PCIe Network Adapter NIC With RTL8125B Support WOL/PXE | PCIe2.1 2.5G Ethernet Card RJ45 LAN w/Low Profile

$18.99as of 11/04/2026 10:08 PST - Details

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Pros

+Supports 2.5 Gbps wired connection speed

+Also falls back to 1000 and 100 Mbps

+Installs in a PCI Express x1 slot

+Low-profile bracket fits small form factor cases

+Uses a Realtek RTL8125B controller

Compared with the 10 Network Cards on this page

+2.5 speed: only 2 of 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

1 Speed, 2 Ports, PCIe, Intel

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ULANSeN Dual-Port Network Card NIC with Intel 82575/82576 Support PEX | Two Ports 1000M PCI Express Ethernet LAN

$29.99as of 11/04/2026 10:06 PST - Details

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Pros

+Two gigabit Ethernet ports

+Intel 82575/82576 chipset

+Low-profile bracket fits compact cases

Cons

−Limited to 1Gb/s speed per port

Compared with the 10 Network Cards on this page

−1 speed: 5 of the 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

5 Speed, PCIe, RJ45, Realtek

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ULANSeN 5Gbps PCIe Network Adapter NIC with RTL8126 Support UEFI PXE Boot | PCIe 3.1 X1 to Multi-Gigabit Ethernet Card

$29.99as of 11/04/2026 10:06 PST - Details

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Pros

+5 Gbps speed, faster than standard gigabit

+Supports 2.5G, 1G and 100Mbps speeds

+Realtek RTL8126 chip

+Low profile bracket fits small cases

+PCIe 3.1 x1 slot needs little space

Compared with the 10 Network Cards on this page

+5 speed: only 1 of 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

1 Speed, 4 Ports, PCIe, Broadcom

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4-Port Gigabit Ethernet Card w/ NetXtreme BCM5719 for Windows Server Linux | PCIe 2.1 X4 to Quad-Port 1G Network Card

$65.88as of 11/04/2026 03:07 PST - Details

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Pros

+Four network ports in one card

+Gigabit speed on each port

+Low profile design fits compact cases

+Uses a x4 PCIe lane connection

Compared with the 10 Network Cards on this page

−1 speed: 5 of the 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

1 Speed, PCIe, SFP+, Mellanox

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Mellanox ConnectX-3 Dual-10Gb SFP+ PCI-E Network Card NIC | PCI-e 3.0 X8, 10 Gigabit Ethernet, Server NIC, PXE UEFI

$68.99as of 11/04/2026 03:07 PST - Details

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Pros

+Dual 10 Gb SFP+ ports

+Uses a PCIe x8 interface

+Mellanox ConnectX-3 controller

Compared with the 10 Network Cards on this page

−1 speed: 5 of the 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

2.5 Speed, PCIe, RJ45, Intel

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2.5GB Dual Server Network Card with Intel I226-V for Win10/11 Support PXE | PCIe3.1 X1 to 2500/1000/100Mbps PCI Express

$45.99as of 11/04/2026 03:07 PST - Details

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Pros

+Two 2.5GBase-T RJ45 ports

+Intel I225-V and I226-V controllers

+Supports 2500, 1000 and 100Mbps speeds

+PCIe 3.1 interface

+Low-profile bracket fits compact cases

Compared with the 10 Network Cards on this page

+2.5 speed: only 2 of 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

2.5 Speed, PCIe, RJ45, Intel

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2.5GBase-T Server Network Adapter NIC with Intel I226-V For Win10/11/Linux | PCIe 3.1 2500/1000/100Mbps Gigabit

$23.99as of 11/04/2026 10:06 PST - Details

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Pros

+2.5 Gbps speed, faster than standard gigabit

+Intel I226-V chip

+RJ45 port for standard Ethernet cables

+Low profile bracket for small form factor cases

Compared with the 10 Network Cards on this page

+2.5 speed: only 2 of 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product

1 Speed, PCIe, Broadcom

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PCIe Gigabit Ethernet Server Adapter with Broadcom NetXtreme BCM5751 | 10/100/1000Mbps Desktop PCI-E Network Card NIC

$19.99as of 11/04/2026 10:09 PST - Details

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Pros

+Broadcom NetXtreme BCM5751 chip

+PCIe x1 slot fits most desktop motherboards

+Low profile bracket for small form factor cases

+1 Gbps gigabit network speed

Compared with the 10 Network Cards on this page

−1 speed: 5 of the 10 here have a higher speed

How pros and cons are picked (About: Disclaimer)

About this product