Top Serial Ports Card Reviews

StarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) - PCI Combo Adapter Card - PCI Expansion Card Controller - PCI to Printer Card (PCI2S1P2)

  • PCI CARD WITH SERIAL & PARALLEL PORTS: Using one PCI bus, add a DB25 parallel & two DB9 RS232 ports to your computer.
  • Serial Parallel PCI Card installs in 2x full profile or 3x low profile expansion slots.
  • TECH SPECS: Parallel Speeds up to 1.5Mbps | Supports SPP/Byte/ECP/EPP modes | Compatible with IEEE 1284 | Asix MCS9865 chip | RS-232 speeds up to 115.2 Kbps | 16C550 UART | 256 byte FIFO buffer | 5-9 bit character | Even, Odd, No, Space or Mark Parity.
  • VERSATILE APPLICATIONS: PCI expansion combo card adds LPT Printer & two COM serial ports working with printers, scanners, plotters, point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, oscilloscope.
  • STANDARD PROFILE & LOW PROFILE BRACKETs: PCI multiport Parallel LPT & dual serial COM adapter card installs using 2x standard bracket (pre-installed) or 3x low profile brackets (incl).
  • Supports Windows 7 and up, Linux 2.6.x to 5.x.
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StarTech.com 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART - PCIe 2x Serial 1x Parallel RS232 Adapter Card (PEX2S5531P)

  • Add 1 parallel port and 2 RS-232 serial ports to your standard or low-profile computer through a PCI Express expansion slot.
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CERRXIAN 4 Port PCI-E RS232 Serial Adapter Card, PCI-E Serial Expansion Card, RS232 PCI Express x1 Serial DB9 COM Expansion Card for PC

  • GOOD CHOICE - Most new computers don't have a serial port, and most serial port cards have a lot of issues, but if you're looking for a serial port to communicate with older devices, the card works well.This is the best solution for you add 4 RS232 (DB9) serial ports, using a single PCI Express expansion slot..
  • INDEPENDENT POWER CHIPEST - Built-in AX99100 CHIPEST,No external power supply provides RS-232 serial port or 5v 12v DC power output through the COM of the first needle or the needle 9.Stable performance, strong compatibility, high - speed storage..
  • 4 RS232 PORT - 4 standard external RS-232 DB9 serial ports.All serial ports support slow IrDA mode and speeds up to 115200bps,compatible with 2 UART and 4 UART..
  • PCI EXPRESS X1 - Compliant with PCI Express 2.0 gen1, compatible with PCIE x1, x2, x4, x8, x16 slots..
  • BROAD COMPATIBILITY - Compatible operating system :Windows XP/ 2003 Server/ Vista/ WIN7/ WIN8.x / WIN10 / Linux Kernel 2.6 15 and later/ Android 1.x/ 2.x/ 3.x/ 4.x/ 5.x.Perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters and more to your system..
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StarTech.com 2 Port PCI RS232 Serial Adapter Card with 16550 UART - Serial Adapter - PCI - RS-232 x 2 - PCI2S550

  • Add 2 high-speed RS-232 serial ports to your PC through a PCI expansion slot.
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Monoprice NetMos 2-Port Dual Serial Port PCI 32-Bit Card (100187)

  • Add 2 DB9 serial ports to your desktop computer to connect legacy serial devices.
  • Monoprice continually strives to improve its product line to bring our customers the best products available.
  • Therefore changes may be made to listed specifications without prior notice.
  • Item received may not match photo or specs shown.
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Benfei 15 Pin SATA Power Y-Splitter Cable 8 Inches - 2 Pack

  • Y-SPLITTER SATA CABLE powers two Serial ATA HDD, SSD, optical drives, DVD burners, and PCI cards to a single connection on a computer power supply.
  • Snug-fitting drive SATA connector and channel guides on the power supply connector provide a secure connection that won¡¯t accidentally disconnect.
  • UPGRADE COST SAVER SATA power cable spares the expense of upgrading an existing power supply to connect a new SATA drive.
  • Cost-effective 2-Pack provides spare SATA extension power cables for new installations or repairs..
  • DIY or IT installers both appreciate the convenience of sharing a PSU connection when installing new internal components like a DVD burner.
  • 8 inch cable harness (not including connectors) provides sufficient length for internal cable management in most configurations.
  • HEAVY DUTY SPLITTER with 2 SATA 15 pin female connectors and 1 SATA 15 pin male is constructed with flexible 18 AWG conductors for reliable performance when connecting two SATA hard drives to a power supply.
  • Supports 3.3V, 5V, and 12V power voltages between SATA I, II, III drives and power supply connections without any degradation of performance.
  • COMPATIBLE with popular SATA equipped devices such as: Apricorn Velocity Solo x2 Extreme Performance SSD Upgrade Kit, Asus 24x DVD-RW S....
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Cable Matters 3-Pack 15 Pin SATA Power Splitter Cable 8 Inches

  • SATA Y cable splitter powers two Serial ATA HDD, SSD, optical drives, DVD burners, and PCI cards to a single connection on a computer power supply.
  • Snug-fitting drive connector and channel guides on the SATA power cables provide a secure connection that will not accidentally disconnect.
  • Upgrade cost saver SATA power cable spares the expense of upgrading an existing power supply to connect a new SATA drive.
  • Cost-effective 3 pack provides spare SATA extension power cables for new installations or repairs.
  • Keep a spare in your IT toolkit or at the test bench.
  • DIY or IT installers both appreciate the convenience of sharing a PSU connection when installing new internal components like a DVD burner.
  • 8 inch SATA power adapter cable (not including connectors) provides sufficient length for internal cable management in most configurations.
  • Heavy duty SATA splitter with 2 SATA 15 pin female connectors and 1 SATA 15 pin male is constructed with flexible 18 AWG conductors for reliable performance when connecting two SATA hard drives to a power supply.
  • The hard drive power cable supports 3.3V, 5V, and 12V power voltages between SATA I, II, III drives and power supply connections without any degradation of performance.
  • Compatible with popular SATA equipped devices suc....
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DTECH 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip)

  • RS232 USB to serial female adapter cable allows any PC to connect serial devices and programs that communicate through COM ports.
  • DB9 Serial cable to USB adapter is designed for connecting Serial devices such as DB9 equipped PCs, routers, GPS, Programming machine, barcode scanners, label writers, serial modems, digital cameras, card readers, palm PCs and digital organizers, etc.
  • 6ft USB to serial cable with standard USB Type A Male to standard 9-pin DB9 Female RS-232 serial connector.
  • USB to RS232 adapter is with Prolific PL-2303 Chipset for widest possible compatibility with Windows 11, 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and later, and other platforms..
  • Note that the interface is 9-pin RS232 Female socket, please make sure that your serial device with a 9-pin Male Port before purchasing this USB to serial port adapter with Prolific PL2303 chipset (NOT FTDI chip).
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DTECH USB to Serial Adapter Cable with RS232 DB9 Male Port FTDI Chipset Supports Windows 10 8 7 and Mac Linux - 4 Feet

  • (It's NOT 15 pin VGA Monitor Cable) The Male Serial to USB cable (9 pin to USB A male) allows your PC to connect RS-232 serial devices and programs that communicate through COM ports.
  • USB to serial adapter is designed for connecting serial devices such as DB9 equipped PC, router, GPS, Programming machine, barcode scanner, label writer, serial modem, digital camera, card reader, palm PC and digital organizer, etc.
  • USB to RS232 cord for Windows 10, 8.1, 8, 7, Mac OS 8 or higher, Linux 2.4.0 and later.
  • FTDI USB to serial cable is built with a high performance quality processor chip (FT232 Chipset), which makes it one of the most reliable com port to usb adapter on the market.
  • 4ft DB9 serial port to USB converter with LED light helps you check the connection status easily.
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Fortinet FortiWiFi-50E-2R License 1 YR 24X7 FortiCare and ATP FC-10-W502R-928-02-12

  • Fortinet Ruggedized, 4 x GE RJ45 ports, 2 x GE SFP slots, 2x DB9 Serial. Max managed FortiAPs (Total / Tunnel) 2 / 2.
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StarTech.com 2-Port PCI RS232 Serial Adapter Card - PCI Serial Port Expansion Controller Card - PCI to Dual Serial DB9 Card - Standard (Installed) & Low Profile Brackets - Windows/Linux (PCI2S5502)

  • 2 PORT PCI RS232 SERIAL ADAPTER CARD: Controller card w/ 16C550 UART based on ASIX MCS9865, 2x DB9 ports w/bi-directional RS232 speeds up to 115.2Kbps/port, 256 byte FIFO buffer & 9th data bit | Upgraded version of our popular cards PCI2S550_LP & PCI2S550.
  • TECH SPECS: Speeds up to 115.2Kbps | 16C550 UART | 256 byte FIFO buffer | 5,6,7,8 and 9 bit character | Even, Odd, No, Space or Mark Parity | Auto IRQ & IO assignment | Supports IRQ Sharing | ASIX MCS9865 Chip.
  • VERSATILE APPLICATIONS: Dual Serial Port PCI Card for PCI desktops/servers used in point of sale terminals, PLCs, CNC Machines, control/automation in factories, scientific sensors, medical equipment, scanners, oscilloscope.
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCI multiport serial COM card installs using 1x standard bracket (pre-installed) or 2x low profile brackets (incl).
  • Supports Windows 7 and up, Linux 2.6.x to 5.x.
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StarTech.com PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card (PEX1S1P950)

  • PCIe CARD WITH SERIAL & PARALLEL PORT: Using a x1 PCIe 2.0 slot, add a DB25 parallel & a DB9 RS232 port to your computer.
  • Card installs in full/standard profile PCIe slot.
  • Latest version of our popular PEX1S1P952.
  • TECH SPECS: Parallel Speeds up to 2.5Mbps | Supports SPP/Byte/ECP modes | Compatible with IEEE 1284 | Asix AX99100 chip | RS232 speeds up to 921.6Kbps | 16C950 UART | 256 byte FIFO buffer.
  • VERSATILE APPLICATIONS: PCIe expansion combo card adds LPT Printer & COM serial ports working with printers, scanners, plotters, point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, oscilloscope.
  • WIDE COMPATABILITY: PCI Express RS232 serial/parallel adapter card is compliant with PCI-E Base Spec. Rev. 2 & PCI Power Mgmt 1.2.
  • Windows (7 and up) Windows Server (2003 and up) and Linux (2.6.X and up).
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Creality 3D Printer Part Limit Switch with Separate Package CNC for RAMPS 1.4 RepRap 3D Printer CR-10 10S,S4,S5,Ender 3/Ender 3 Pro/Ender 3 V2/Ender 5 (Pack of 3)

  • 1.Upgrade the firmware by SD card. It is easy and convenient to operate.This display board has higher compatibility. Users can select two work modes,they are UART serial port screen mode and 12864 screen mode..
  • 2.Serial port screen mode supports two printing modes: SD card and U disk..
  • 3.Reserve WIFI port, and WIFI function is realized by external WIFI module.
  • 4.Reserve the extension port of filament breaking detection (FIL-DET).
  • Reserve the extension port of automatic shutdown after printing (PS-ON).
  • 5.2 sets of UART serial port extension ports are reserved for DIY use..
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