here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"fiber optic network interface cards"
waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission
Limited time offer, ends 11/04
$89.10
Free Shipping
Waveshare 8-Ch Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 10/31
$107.78
Free Shipping
WISDUM 10GBase-t, SFP-10G-T Optical Module, 10G SFP to RJ45 Conversion Module,Adaptive 10G/5G/2.5G/1G,Support DDM, for Network Switch Cisco TPLINK Ubiquiti UniFi BDCOM QNAP , 30m,AQR113C chip
Limited time offer, ends 11/04
$44.54
Free Shipping
PCI Express USB Expansion Card, 3 Ports USB 3.0 + 2 Ports USB3.1 Type-C with Internal USB 3.0 20PIN Header 7 Ports PCIE USB Hub Converter Card
Limited time offer, ends 11/25
$47.39
Free Shipping
2.5G SFP to RJ45 SFP-T, 2.5GBase-T SFP Transceiver Module, SFP-T, Compatible with Ubiquiti UniFi, Netgear, Fortinet, Mikrotik, Intel, TP-Link and Other Open Switches
Limited time offer, ends 11/02
$54.54
Free Shipping
Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 10/31
$89.68
Free Shipping
