Best Computer Networking Device Servers Under $200 (2026)
We ranked devices by a value score combining connectivity options, protocol support, security features, build quality, and overall user-focused functionality within the under-(price varies) range
The Verdict
- Best Overall: Lantronix Uds-10 Device Server with DB25 and RJ45 — Best for legacy parallel setups: compact DB25 network server that preserves older device connectivity
- Best Premium: StarTech 1-Port Serial to IP Adapter for RS232 devices — Best for DB9 RS-232 devices: compact adapter that integrates legacy serial gear onto an IP network
Top Picks
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1
Best Overall Lantronix Uds-10 Device Server with DB25 and RJ45
Best for legacy parallel setups: compact DB25 network server that preserves older device connectivity
Lantronix Uds-10 device server featuring embedded software, ROM flash for upgrades, and flexible IP protocol stack. Power via serial or barrel connector with 128-bit encryption for secure communications
- embedded device server
- upgradable firmware
- secure 128-bit encryption
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2
NPort 5110 1-Port Serial Device Server, 10/100 Ethernet, RS232
Best for single RS-232 deployments: simple 1-port serial-over-Ethernet solution for basic networked serial needs
Compact serial device server with 10/100 Ethernet and RS232 support. Features real COM/TTY drivers for Windows and Linux and multiple configuration options via Telnet, web, or Windows utility. Customer insight indicates balanced expectations from users
- 1-port RS232 device server
- built-in SNMP MIB-II support
- web/Telnet/Windows utility configuration
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3
Lantronix xDirect Serial-to-Ethernet Device Server XDT2321002-01-S
Best for flexible serial support: handles RS-232/422/485 and offers straightforward serial-to-Ethernet bridging
Serial-to-Ethernet device server enabling RS232/RS422/RS485 connectivity. Includes 10Base-T/100Base-T interfaces and DB9F DCE pins. Customer notes provide mixed insights but no specific sentiment
- serial-to-ethernet bridge
- auto-sensing Ethernet ports
- DCE DB9F interface
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4
Lantronix 1-port Secure Serial to IP Device Server
Best for security-conscious deployments: one-port unit with built-in encryption for protected serial-over-IP links
Compact 1-port serial-to-Ethernet device server with rs232/rs422/rs485 support and up to 256-bit AES encryption. PoE 802.3af + integrated HTTP server for remote management. Customer note: secure, plug-and-play serial-to-ip conversion
- 256-bit AES encryption
- PoE 802.3af support
- modbus tcp/rtu support
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5
UDS1100 One-Port Serial to IP Device Server
Best for mixed serial environments: one-port device supporting RS-232/422/485 with versatile management options
LANtronix UDS1100 converts RS-232/RS-422/RS-485 to Ethernet for remote management. UL864 compliant, wall or rail mountable, with a single serial port and a Fast Ethernet port. Customer insight: none available
- UL864 compliant
- wall/rail mountable
- one DB-25 serial port plus one 10/100 Mbps Ethernet port
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6
Best Premium StarTech 1-Port Serial to IP Adapter for RS232 devices
Best for DB9 RS-232 devices: compact adapter that integrates legacy serial gear onto an IP network
1-port serial-to-IP converter enabling remote RS232 devices over an IP network. Suitable for POS systems, barcode readers, sensors, and PLCs; unified management with a common UI across devices
- serial-to-ip converter
- unified management UI
- DB9 921.6Kbps support
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7
MOXA NPort 5210 2-Port Device Server, 10/100 Ethernet, RS-232
Best for multi-device installations: two-port design to consolidate multiple RS-232 connections onto Ethernet
Compact device server for RS-232 with 10/100 Ethernet. Supports TCP server/client and UDP, plus SNMP MIB-II for network management. 2-port model suitable for simple serial-to-Ethernet use cases
- 2 ports for RS-232
- TCP/UDP socket options
- SNMP MIB-II support
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8
Industrial Serial to Ethernet Converter RS422/RS485 to TCP/UDP
Best for industrial field use: RS-422/RS-485 converter built for industrial serial-to-TCP/UDP deployments
Serial (RS422/RS485) to Ethernet (TCP/UDP) conversion with IPv4/IPv6 dual stack. Includes protection features such as overvoltage, reverse voltage, and overcurrent protection. User insight notes no specific comments
- dual-stack IP support
- serial to Ethernet conversion
- robust protection features