here!

I’m your shopping assistant for PC builds, upgrades, and everything tech.

Got questions? Ask away!

Start a conversation

Hey!

How can we help you today?

Track a package

Cancel an order

Resolve a payment issueBilling, declined cards, and payment method update

My Account & SecurityUpdate passwords and security settings

Need more help?

Visit Help Center

Build Tools & Resources

Price Protection Deals

For your Business

"fiber optic network interface cards"

1 Pack PCI Express Gigabit Ethernet Network Card, 10/100/1000Mbps PCI-E RJ45 LAN Controller Adapter for Desktop PC

1 Pack PCI Express Gigabit Ethernet Network Card, 10/100/1000Mbps PCI-E RJ45 LAN Controller Adapter for Desktop PC

$24^.64

More options from $24.64 - $25.84

Free Shipping

PCIe Gigabit Network Card Realtek RTL8111E 1000Mbps Ethernet Adapter, PCI-E Desktop LAN NIC, 10/100/1000Mbps Wired Network Card for Home / Office

PCIe Gigabit Network Card Realtek RTL8111E 1000Mbps Ethernet Adapter, PCI-E Desktop LAN NIC, 10/100/1000Mbps Wired Network Card for Home / Office

$23^.38

More options from $23.38 - $24.58

Free Shipping

10G PCIe Network Card, RJ45 Port RTL8127 PCI Express Gen 4 X1 to 10 Gigabit, PCIE Network Adapter, Network Card, Ethernet Card for Linux

10G PCIe Network Card, RJ45 Port RTL8127 PCI Express Gen 4 X1 to 10 Gigabit, PCIE Network Adapter, Network Card, Ethernet Card for Linux

$125^.99

More options from $125.99 - $128.29

Free Shipping

RTL8153 Type-C to SFP Gigabit Fiber Ethernet Adapter USB-C to 1000Mbps SFP Fiber Network Card, SFP Port LAN Adapter for Laptop / MacBook / Tablet

RTL8153 Type-C to SFP Gigabit Fiber Ethernet Adapter USB-C to 1000Mbps SFP Fiber Network Card, SFP Port LAN Adapter for Laptop / MacBook / Tablet

$91^.59

More options from $91.59 - $93.69

Free Shipping

PCI Gigabit Network Card 10/100/1000Mbps Ethernet Adapter for Desktop PC, Realtek RTL8169 Chipset, Wired LAN NIC, Standard PCI Slot

PCI Gigabit Network Card 10/100/1000Mbps Ethernet Adapter for Desktop PC, Realtek RTL8169 Chipset, Wired LAN NIC, Standard PCI Slot

$26^.49

More options from $26.49 - $27.69

Free Shipping

MFi Certified Lightning to Ethernet Adapter - 2 in 1 RJ45 Ethernet LAN Network Adapter with Charge Port for iPhone/iPad/iPod Plug and Play Supports 100Mbps Network

MFi Certified Lightning to Ethernet Adapter - 2 in 1 RJ45 Ethernet LAN Network Adapter with Charge Port for iPhone/iPad/iPod Plug and Play Supports 100Mbps Network

$28^.79

More options from $28.79 - $29.99

Free Shipping

PCIe x1 2.5Gbps Ethernet Network Card with Heat Sink, RTL8125 Chip Single RJ45 2500Mbps Gigabit LAN Adapter for Desktop Gaming PC

PCIe x1 2.5Gbps Ethernet Network Card with Heat Sink, RTL8125 Chip Single RJ45 2500Mbps Gigabit LAN Adapter for Desktop Gaming PC

$44^.80

More options from $44.80 - $46.00

Free Shipping

PCI-E Gigabit Ethernet Card RTL8111E 1000Mbps RJ45 Network Adapter, Driver-Free, Desktop Internal Wired LAN Controller

PCI-E Gigabit Ethernet Card RTL8111E 1000Mbps RJ45 Network Adapter, Driver-Free, Desktop Internal Wired LAN Controller

$23^.49

More options from $23.49 - $24.69

Free Shipping

USB to RS485-WE Serial Cable, RS485-WE-1800-BT UART Serial Converter Cable,USB-RS485-WE Wire End,FT232 Chipset, 6 Way,1.8m/6ft | USB to RS485-WE Serial Cable, UART Serial Converter Cable, USB-RS485-WE

USB to RS485-WE Serial Cable, RS485-WE-1800-BT UART Serial Converter Cable,USB-RS485-WE Wire End,FT232 Chipset, 6 Way,1.8m/6ft | USB to RS485-WE Serial Cable, UART Serial Converter Cable, USB-RS485-WE

$21^.39

More options from $21.39 - $23.69

Free Shipping

FOR PCIE 2 Port RS232 RS-232 Serial Port COM to PCI-E PCI Express Card Adapter Converter 2-port Serial Mcs 9922 win10

FOR PCIE 2 Port RS232 RS-232 Serial Port COM to PCI-E PCI Express Card Adapter Converter 2-port Serial Mcs 9922 win10

$27^.00

More options from $27.00 - $28.20

Free Shipping

LE8202 2-Port PCIe Network Card for Desktop PC, 1000/100/10Mbps Gigabit Ethernet RJ45 LAN Port, PCIE X1 Interface, Regular & Low Profile Bracket

$40^.79

More options from $40.79 - $41.99

Free Shipping

USB 2.0 to RJ45 LAN Extender Adapter, USB Signal Over Cat5/Cat5e/Cat6 Ethernet Cable Extension Cord for Remote USB Device Transmission

USB 2.0 to RJ45 LAN Extender Adapter, USB Signal Over Cat5/Cat5e/Cat6 Ethernet Cable Extension Cord for Remote USB Device Transmission

$14^.39

More options from $14.39 - $16.69

Free Shipping

USB C to Ethernet Type C to Gigabit Ethernet with 3 USB 3.0 Aluminum Adapter, 10/100/1000 Mbps Thunderbolt 3 Compatible, for PC Laptop Windows macOs USB Flash Drives etc, Silver

USB C to Ethernet Type C to Gigabit Ethernet with 3 USB 3.0 Aluminum Adapter, 10/100/1000 Mbps Thunderbolt 3 Compatible, for PC Laptop Windows macOs USB Flash Drives etc, Silver

$21^.30

More options from $21.30 - $22.50

Free Shipping

Ethernet Splitter High Speed Gigabit, 1000Mbps Ethernet Splitter 1 to 3[3 Devices Simultaneous Networking], RJ45 Splitter Adapter with USB Power Cable, Internet Splitter for Cat5/5e/6/7/8 Cable

Ethernet Splitter High Speed Gigabit, 1000Mbps Ethernet Splitter 1 to 3[3 Devices Simultaneous Networking], RJ45 Splitter Adapter with USB Power Cable, Internet Splitter for Cat5/5e/6/7/8 Cable

$28^.69

More options from $28.69 - $29.89

Free Shipping

Super Speed USB 3.0 PCI-E 2 Port PCI Express Expansion Card 19-Pin Power Connector for Desktops PC PCI Express USB 3.0 Cards

Super Speed USB 3.0 PCI-E 2 Port PCI Express Expansion Card 19-Pin Power Connector for Desktops PC PCI Express USB 3.0 Cards

$22^.88

More options from $22.88 - $24.08

Free Shipping

Type C PoE Splitter 5V 2.4A Output, IEEE 802.3af Standard 10, 100Mbps for Type C RJ45 Port Power Over Ethernet Type C Splitter Adapter

Type C PoE Splitter 5V 2.4A Output, IEEE 802.3af Standard 10, 100Mbps for Type C RJ45 Port Power Over Ethernet Type C Splitter Adapter

$19^.68

More options from $19.68 - $20.88

Free Shipping

Network 1 Port to 3 PortsSplitter Network Ethernet RJ45 eight-core network cable Ethernet extension cable socket adapter

Network 1 Port to 3 PortsSplitter Network Ethernet RJ45 eight-core network cable Ethernet extension cable socket adapter

$16^.19

More options from $16.19 - $18.49

Free Shipping

USB WiFi Bluetooth Adapter 600Mbps Dual Band 2.4/5Ghz Wireless Network Card External Receiver Mini WiFi Dongle for PC/Laptop/Desktop

USB WiFi Bluetooth Adapter 600Mbps Dual Band 2.4/5Ghz Wireless Network Card External Receiver Mini WiFi Dongle for PC/Laptop/Desktop

$21^.19

More options from $21.19 - $22.39

Free Shipping

PCI-E to SATA Adapter 4 Port PCIe Expansion Card 6Gbps SATA 3.0 Controller PCI Express Controller Card with Low Profile Bracket for Windows/ Linux

$33^.79

More options from $33.79 - $34.99

Free Shipping

USB Type C 3.1 to 2.5G Gigabit Ethernet Network Adapter USB Type C to 2.5 Gigabit Network RJ45 LAN 2.5Gbps Converter Compatible for MacBook Air/Pro iPad HP Surface Dell Windows (Type-C 3.1 Interface)

USB Type C 3.1 to 2.5G Gigabit Ethernet Network Adapter USB Type C to 2.5 Gigabit Network RJ45 LAN 2.5Gbps Converter Compatible for MacBook Air/Pro iPad HP Surface Dell Windows (Type-C 3.1 Interface)

$34^.09

More options from $34.09 - $35.29

Free Shipping

Type C PoE Splitter 5V 3A, IEEE 802.3af Standard, 10/100Mbps Type C Power Over Ethernet Splitter with RJ45 Port and TYPEC Port

Type C PoE Splitter 5V 3A, IEEE 802.3af Standard, 10/100Mbps Type C Power Over Ethernet Splitter with RJ45 Port and TYPEC Port

$21^.69

More options from $21.69 - $22.89

Free Shipping

RJ45 to DB9 RS232 Adapter 9-Pin Serial Port RS232 Male to RJ45 Female CAT5 CAT6 Ethernet LAN Extend Converter, Network to DB9 Serial Port Coupler Extender Adapter (2 Pack-Male)

RJ45 to DB9 RS232 Adapter 9-Pin Serial Port RS232 Male to RJ45 Female CAT5 CAT6 Ethernet LAN Extend Converter, Network to DB9 Serial Port Coupler Extender Adapter (2 Pack-Male)

$24^.79

More options from $24.79 - $25.99

Free Shipping

2IN1 Dual Band 1200Mbps Bluetooth 4.1 Wireless USB 3.0 Wifi Adapter 2.4G/5Ghz Realtek RTL8822BU Network Card Dongle w/Antenna

2IN1 Dual Band 1200Mbps Bluetooth 4.1 Wireless USB 3.0 Wifi Adapter 2.4G/5Ghz Realtek RTL8822BU Network Card Dongle w/Antenna

$25^.69

More options from $25.69 - $26.89

Free Shipping

Gigabit Ethernet Splitter Ethernet Splitter 1to4[4 Devices Simultaneous Networking],1000Mbps Network Extension with USB Power Cable,8P8C LAN Interface Internet Splitter for Cat5/5e/6/7/8

Gigabit Ethernet Splitter Ethernet Splitter 1to4[4 Devices Simultaneous Networking],1000Mbps Network Extension with USB Power Cable,8P8C LAN Interface Internet Splitter for Cat5/5e/6/7/8

$33^.69

More options from $33.69 - $34.89

Free Shipping

9-Port Fast Ethernet Switch RJ45 Network Hub, 100Mbps High-Speed Distribution Splitter for Surveillance/Home/Office, Metal Housing, Black

9-Port Fast Ethernet Switch RJ45 Network Hub, 100Mbps High-Speed Distribution Splitter for Surveillance/Home/Office, Metal Housing, Black

$46^.49

More options from $46.49 - $47.69

Free Shipping

4 Ports USB 3.0 PCI-E Express 1X to 4X Converter Expansion Card Adapter PCIe X1 Riser Card For BTC Bitcoin Mining Machine

4 Ports USB 3.0 PCI-E Express 1X to 4X Converter Expansion Card Adapter PCIe X1 Riser Card For BTC Bitcoin Mining Machine

$64^.69

More options from $64.69 - $65.89

Free Shipping

Ethernet Splitter 1 to 4 High Speed 1000Mbps, Gigabit Ethernet Splitter RJ45 Splitter with USB Power Cable, LAN Splitter for Cat5/5e/6/7/8 Cable[Supports 4 Devices Working Simultaneously]

Ethernet Splitter 1 to 4 High Speed 1000Mbps, Gigabit Ethernet Splitter RJ45 Splitter with USB Power Cable, LAN Splitter for Cat5/5e/6/7/8 Cable[Supports 4 Devices Working Simultaneously]

$23^.77

More options from $23.77 - $24.97

Free Shipping

Chi a Mining 10 Port SATA PCI-E Adapter PCI Express X1 to SATA 3.0 6Gbps Rate Expansion Card Controller with Low Profile Bracket

$80^.19

More options from $78.99 - $81.39

Free Shipping

Gigabit Ethernet Splitter 1 to 2, 1000Mbps Internet Splitter 1 in 2 Out, Ethernet Cable Hub with USB Power Cable, RJ45 Switch for Cat5/5e/6/7/8 Cables(2 Devices Simultaneously Networking)

Gigabit Ethernet Splitter 1 to 2, 1000Mbps Internet Splitter 1 in 2 Out, Ethernet Cable Hub with USB Power Cable, RJ45 Switch for Cat5/5e/6/7/8 Cables(2 Devices Simultaneously Networking)

$23^.79

More options from $23.79 - $24.99

Free Shipping

4 Ports SATA 3.0 Card PCI-E SATA Card PCIe 1X Cards PCI Express to SATA 3.0 Expansion Adapter for HDD SSD IPFS Mining Controller

4 Ports SATA 3.0 Card PCI-E SATA Card PCIe 1X Cards PCI Express to SATA 3.0 Expansion Adapter for HDD SSD IPFS Mining Controller

$86^.59

More options from $84.59 - $86.89

Free Shipping

5G / 2.5G / Gigabit Network Switch RJ45 2-in-1-Out Ethernet Sharing Switch, No Power Required, Passive Internal/External Network Switcher for LAN

5G / 2.5G / Gigabit Network Switch RJ45 2-in-1-Out Ethernet Sharing Switch, No Power Required, Passive Internal/External Network Switcher for LAN

$22^.49

More options from $22.49 - $23.69

Free Shipping

PCIe Expansion Card 5 Port PCIe to USB 3.2 Card 2 USB C Easy to Install 20Gbps 3 USB

PCIe Expansion Card 5 Port PCIe to USB 3.2 Card 2 USB C Easy to Install 20Gbps 3 USB

$56^.79

More options from $56.41

Free Shipping

PCI-E 2.0 to 6G Expansion Card Dual Port SATA3 Hard Disk Conversion

PCI-E 2.0 to 6G Expansion Card Dual Port SATA3 Hard Disk Conversion

$62^.69

More options from $62.69 - $63.89

Free Shipping

USB 3.0 to Ethernet Adapter, 4-in-1 Portable Data Hub USB Splitter USB3.0 Expander with RJ45 Gigabit Ethernet LAN Network Adapter Support Windows, Mac OS, Surface Pro,Linux,Chromebook

USB 3.0 to Ethernet Adapter, 4-in-1 Portable Data Hub USB Splitter USB3.0 Expander with RJ45 Gigabit Ethernet LAN Network Adapter Support Windows, Mac OS, Surface Pro,Linux,Chromebook

$21^.30

More options from $21.30 - $22.50

Free Shipping

Industrial USB to TTL 6pin Serial Adapter Cable, USB to TTL (C) Converter Onboard FT232RNL Chip,Compatible with Win11/10/8.1/8/7,Mac, Linux, Android,3.3V/5V Voltage Level Switching

Industrial USB to TTL 6pin Serial Adapter Cable, USB to TTL (C) Converter Onboard FT232RNL Chip,Compatible with Win11/10/8.1/8/7,Mac, Linux, Android,3.3V/5V Voltage Level Switching

$23^.84

More options from $23.84 - $25.04

Free Shipping

USB C to Ethernet Adapter, USB-A 3.0 Hub with RJ45 Gigabit Ethernet, 3 USB 3.0 Data Ports, Aluminum USB Type C to LAN Network Adapter Splitter for Laptop and PC, MacBook

USB C to Ethernet Adapter, USB-A 3.0 Hub with RJ45 Gigabit Ethernet, 3 USB 3.0 Data Ports, Aluminum USB Type C to LAN Network Adapter Splitter for Laptop and PC, MacBook

$21^.30

More options from $21.30 - $22.50

Free Shipping

Page 1/3

1
2
3

Find what you were looking for?