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In Network Connectors/Adapters

Our most popular products, based on sales and updated frequently.

Doubled my download speed in an inexpensive and easy to install card.

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2.5GBase-T PCIe Network Adapter, 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows, Standard and Low-Profile Brackets Included PCIe to 2.5 Gigabit
2.5GBase-T PCIe Network Adapter, 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows, Standard and Low-Profile Brackets Included PCIe to 2.5 Gigabit
  • Part Number: 19825
  • Connectors: 1 x RJ45
  • Wireless Speed: Up to 2.5 Gbps
  • LEDs: Link, Activity
  • Model #: F-2500RJ
  • Item #: 9SIADXZK4K2649
  • Return Policy: View Return Policy
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$13.79
$29.99
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Needed to replace the onboard network adapter. This adapter was easy to install and setup. Working great and was a great value.

03
DERAPID 2.5Gbps PCIe Network Card Dual RJ45 Port Adapter with Intel I226 Chipset for Desktop Gaming Office 2500/1000/100Mbps PCI Express Gigabit Ethernet NIC Card RJ45 LAN Port Controller
DERAPID 2.5Gbps PCIe Network Card Dual RJ45 Port Adapter with Intel I226 Chipset for Desktop Gaming Office 2500/1000/100Mbps PCI Express Gigabit Ethernet NIC Card RJ45 LAN Port Controller
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 2 x RJ45
  • Wireless Speed: 2.5Gbps
  • Features: I226
  • Model #: 2.5G PCIE To RJ45 Adapter
  • Item #: 9SIARJ2JUR3211
  • Return Policy: View Return Policy
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$37.99
$39.99
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Lower cost than others of its kind. It's significantly smaller than I was expecting, and the heat sink covers every bit of usable space for exceptional cooling.

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DERAPID 2.5G PCIe Ethernet Card with Intel I226 Chip, 2500Mbps Gigabit Network Adapter to PCIE X4 X8 X16 NIC for Desktop NAS Windows 10/11, Windows Server 2019/2022; Linux
DERAPID 2.5G PCIe Ethernet Card with Intel I226 Chip, 2500Mbps Gigabit Network Adapter to PCIE X4 X8 X16 NIC for Desktop NAS Windows 10/11, Windows Server 2019/2022; Linux
  • Brand: DERAPID
  • Series: PCIE to RJ45
  • Model: I226
  • Type: PCIE X4
  • Model #: PCIE to RJ45
  • Item #: 9SIARJ2KMD9712
  • Return Policy: View Return Policy
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$64.99
$65.89
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DERAPID 5G Base-T PCIe Network Card, RTL8126 Controller, PCIe to RJ45 5Gbe NIC Adapter, Supports Windows 10/11/Server/Linux/Desktop/NAS, 5G/2.5G/1G/100Mbps Multi-Gig Ethernet LAN Card
DERAPID 5G Base-T PCIe Network Card, RTL8126 Controller, PCIe to RJ45 5Gbe NIC Adapter, Supports Windows 10/11/Server/Linux/Desktop/NAS, 5G/2.5G/1G/100Mbps Multi-Gig Ethernet LAN Card
  • Brand: DERAPID
  • Series: 5G Base-T PCIe Network Card
  • Model: RTL8126
  • Part Number: RTL8126
  • Model #: RTL8126
  • Item #: 9SIARJ2KMD9897
  • Return Policy: View Return Policy
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$19.99
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07
Aluminum Alloy Ethernet Splitter 1 to 2 High Speed 1000Mbps, Gigabit Ethernet Splitter, LAN Splitter with USB-C Power Cable, RJ45 Splitter for Cat5/5e/6/7/8 Cable (2 Devices Simultaneously Networking)
Aluminum Alloy Ethernet Splitter 1 to 2 High Speed 1000Mbps, Gigabit Ethernet Splitter, LAN Splitter with USB-C Power Cable, RJ45 Splitter for Cat5/5e/6/7/8 Cable (2 Devices Simultaneously Networking)
  • Part Number: BL-SW1KT2
  • Switch Type: Gigabit
  • Model #: BL-SW1KT2
  • Item #: 9SIB3WAK9Z5192
  • Return Policy: View Return Policy
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$20.99
$29.99
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10
Plugable 2.5G USB C and USB to Ethernet Adapter, 2-in-1 Adapter Compatible with USB-C Thunderbolt 3 or USB 3.0, USB-C to RJ45 2.5 Gigabit LAN Ethernet, Compatible with Mac and Windows
Plugable 2.5G USB C and USB to Ethernet Adapter, 2-in-1 Adapter Compatible with USB-C Thunderbolt 3 or USB 3.0, USB-C to RJ45 2.5 Gigabit LAN Ethernet, Compatible with Mac and Windows
  • Part Number: USBC-E2500
  • Type: USB C, USB 3.0, RJ45
  • Changer Type: USB C or USB 3.0 to Ethernet
  • Thunderbolt 3: Yes
  • Model #: USBC-E2500
  • Item #: 9SIA2XBB799467
  • Return Policy: View Return Policy
$24.95
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I highly recommend this adapter! Easy to set up. Works with Windows, Mac, and Linux. And works with Synology DS920+ (which is also built on Linux). Installed on my DS920+ I get it's full speed. Running wonderfully since Mid February.

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Dual-Port PCIe Gigabit Network Card 1000M PCI Express Ethernet Adapter with Intel 82575/82576 Two Ports LAN NIC Card for Support PXE for Windows/Windows Server/Linux/Freebsd /DOS with Low Profile
Dual-Port PCIe Gigabit Network Card 1000M PCI Express Ethernet Adapter with Intel 82575/82576 Two Ports LAN NIC Card for Support PXE for Windows/Windows Server/Linux/Freebsd /DOS with Low Profile
  • Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x and IEEE 802.3ab standards
  • Connectors: 2 x RJ45
  • Class: 1000M, Dual RJ45
  • Model #: BL-AJS992
  • Item #: 9SIB3WAK7R9873
  • Return Policy: View Return Policy
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$38.99
$46.78
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14
HP 10GBase-T Flex IO 56Q71AA
HP 10GBase-T Flex IO 56Q71AA
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$203.13
$234.95
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18
Acasis USB4 to 10 Gigabit Ethernet Adapter Compatible with Thunderbolt 5/4/3
Acasis USB4 to 10 Gigabit Ethernet Adapter Compatible with Thunderbolt 5/4/3
  • Parts: 1 Year
  • Labor: 5 Years
  • Model #: NT0201
  • Item #: 9SIAP1ZKH21308
  • Return Policy: View Return Policy
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$109.00
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19
Tripp Lite 3.5 mm Mini Stereo to 2 RCA Audio Y Splitter Adapter Cable (M/F), 6 in. (P315-06N)
Tripp Lite 3.5 mm Mini Stereo to 2 RCA Audio Y Splitter Adapter Cable (M/F), 6 in. (P315-06N)
  • Type: RCA Audio Y Splitter Adapter Cable
  • Type: Stereo Cables
  • Color: Black
  • Connector Number: 3
  • Model #: P315-06N
  • Item #: 9SIA8N2KBP8301
  • Return Policy: View Return Policy
$6.76
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Use to play vinyl through my computer.

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Syba Dual 2.5 Gigabit Ethernet PCI Express PCI-E Network Controller Card 10/100/1000/2500 Mbps RJ45 LAN Adapter Low Profile Bracket
Syba Dual 2.5 Gigabit Ethernet PCI Express PCI-E Network Controller Card 10/100/1000/2500 Mbps RJ45 LAN Adapter Low Profile Bracket
  • Connectors: 2 x RJ45
  • Weight: 0.3
  • Parts: 3 Year
  • Model #: SD-PEX24066
  • Item #: 9SIA3XWCK35522
  • Return Policy: View Return Policy
$29.99
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