Best Serial 2 Ports

[Windows 11 Pro] Dell OptiPlex 7090 Business Micro Desktop Computer, Intel Octa-Core i7 11700T Up to 4.6GHz, 4GB DDR4 RAM, 128GB PCIe SSD, WiFi 6, Bluetooth 5.1, Displayport, Type-C

  • CPU: 11th Gen Intel Core i7-11700T Processor @ 1.40GHz (8 Cores, 16 Threads, 16M Cache, up to 4.60 GHz)..
  • Graphics: Intel UHD Graphics 750. GigE, 802.11a, 802.11b/g/n, 802.11ac, 802.11ax (Wi-Fi 6), Bluetooth 5.1..
  • Port: Front: 1 Universal audio jack, 1 re-tasking Line-in/Line out audio port, 1 USB 3.2 Gen 2x2 Type-C port, 1 USB 3.2 Gen 2 Type-A port with PowerShare.
  • Rear: 1 RJ45 Ethernet port, 1 Serial/Video port with Serial port/PS2 port/VGA port/DisplayPort 1.4 port/HDMI 2.0 Port/USB 3.2 Gen2 Type-C Port with, DP Alt-mode (optional), 1 USB 3.2 Gen 1 Type-A port, 1 USB 3.2 Gen 1 Type-A port with Smart Power on, 2 USB 3.2 Gen 2 Type-A ports, 2 DisplayPort 1.4 ports..
  • OS: Windows 11 Professional English 64bit..
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Dell Newest OptiPlex 7090 MFF Business Micro Mini Desktop Computer, Intel Octa-Core i9 11900 Up to 5.2GHz, 8GB DDR4 RAM, 256GB PCIe SSD, WiFi 6, Bluetooth 5.1, Displayport, Type-C, Windows 11 Pro

  • CPU: 11th Gen Intel Core i9-11900 Processor @ 2.50GHz (8 Cores, 16 Threads, 16M Cache, up to 5.20 GHz)..
  • Graphics: Intel UHD Graphics 750. GigE, 802.11a, 802.11b/g/n, 802.11ac, 802.11ax (Wi-Fi 6), Bluetooth 5.1..
  • Port: Front: 1 Universal audio jack, 1 re-tasking Line-in/Line out audio port, 1 USB 3.2 Gen 2x2 Type-C port, 1 USB 3.2 Gen 2 Type-A port with PowerShare.
  • Rear: 1 RJ45 Ethernet port, 1 Serial/Video port with Serial port/PS2 port/VGA port/DisplayPort 1.4 port/HDMI 2.0 Port/USB 3.2 Gen2 Type-C Port with, DP Alt-mode (optional), 1 USB 3.2 Gen 1 Type-A port, 1 USB 3.2 Gen 1 Type-A port with Smart Power on, 2 USB 3.2 Gen 2 Type-A ports, 2 DisplayPort 1.4 ports..
  • OS: Windows 11 Professional English 64bit. Bundle with Wired Keyboard and Mouse.
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Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)

  • Serial adapter allows a serial device to be connected to a USB computer.
  • Plug-and-play convenience:DB9 serial port is seen as a COM port by your computer, and is available for use by any program that accesses COM ports.
  • No need for an external power adapter:draws power directly from your computer via the USB connection.
  • DB9 serial port supports data transfer rates up to 230 Kbps:twice the speed of a standard built-in serial port.
  • LED shows adapter status and data activity at a glance.
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Genuine Dell TP412 Motherboard Mainboard For Precision Workstation T3400 Mini-Tower (SMT) Systems

  • Chipset: Intel X38 Express Chipset/ ICH9R, Supported Processors: Intel Core 2 Quad, Intel Core 2 Duo, Intel Core 2 Extreme, Socket LGA755.
  • Supported Memory: 4x 667-MHz ECC and non-ECC and 800-MHz ECC DDR2 SDRAM, 8 GB Max Total (64-Bit Operating System), 4 GB Max Total (32-Bit Operating System), Audio: Audio Line-in/Line-out only.
  • Video: No Integrated Video, Expansion Capabilities: 3x, PCI Slots, 1xPCI-E x8 Slot, 2x PCI-E x16 Slot.
  • Peripheral Interfaces: 1x Serial Port, 1x Parallel Port, 1x RJ45 Ethernet/LAN Port, 8x USB Ports (six back-panel and two front panel USB 2.0-compliant connectors), 4x Audio Ports (two rear connectors for line-in and line-out.
  • two front-panel connectors for headphones and microphone), 2x PS/2 Mouse/Keyboard Ports.
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Dell Newest OptiPlex 7090 MFF Business Micro Mini Desktop Computer, Intel Octa-Core i7 11700T Up to 4.6GHz, 16GB DDR4 RAM, 1TB PCIe SSD, WiFi 6, Bluetooth 5.1, Displayport, Type-C, Windows 11 Pro

  • CPU: 11th Gen Intel Core i7-11700T Processor @ 1.40GHz (8 Cores, 16 Threads, 16M Cache, up to 4.60 GHz)..
  • Graphics: Intel UHD Graphics 750. GigE, 802.11a, 802.11b/g/n, 802.11ac, 802.11ax (Wi-Fi 6), Bluetooth 5.1..
  • Port: Front: 1 Universal audio jack, 1 re-tasking Line-in/Line out audio port, 1 USB 3.2 Gen 2x2 Type-C port, 1 USB 3.2 Gen 2 Type-A port with PowerShare.
  • Rear: 1 RJ45 Ethernet port, 1 Serial/Video port with Serial port/PS2 port/VGA port/DisplayPort 1.4 port/HDMI 2.0 Port/USB 3.2 Gen2 Type-C Port with, DP Alt-mode (optional), 1 USB 3.2 Gen 1 Type-A port, 1 USB 3.2 Gen 1 Type-A port with Smart Power on, 2 USB 3.2 Gen 2 Type-A ports, 2 DisplayPort 1.4 ports..
  • OS: Windows 11 Professional English 64bit.Wired Keyboard and Mouse.
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Dell HNHKX OptiPlex 7040 SFF Small Desktop (Intel Core i7-6700, 16GB 2133MHz DDR4 RAM, 256G SSD, Windows 10 Pro, Black)

  • Ports: 6 x USB 3.0, 4 x USB 2.0, 1 x Internal USB 3.0 with power on, RJ-45, PS/Serial, 2 x Display Ports 1.2, HDMI, UAJ, Line-out.
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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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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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HP Thin Client t730 ThinPro AMD RX-427BB 2.7GHz 16GB SSD 4GB(1x4GB) DDR3L 1600 TC - P3S24AA#ABA

  • Memory: RAM 4 GB, flash 16 GB, Dual channel memory architecture, SO-DIMM 204-pin, memory speed 1600 MHz, DDR3L SDRAM.
  • Processor: 2.7 GHz AMD RX427BB Quad-Core, Max Turbo Speed 3.6 GHz.
  • Graphics & Audio: AMD FirePro, interface type PCI Express 3.0 x8, 2 monitors support max, display port to VGA adapter, DVI-D-Adapter and HDMI adapter, Internal amplified speaker system for basic audio playback.
  • Ports: 6 x Hi-Speed USB 2.0 ports (two in front, four in rear), 2 x SuperSpeed USB 3.0 ports (in front), 1 x SuperSpeed USB 3.0 ports (inside chassis), 4 x DisplayPort 1.2 digital video outputs (rear), 2 x PS/2 keyboard/mouse ports (rear), 2 x serial port (rear), 1 x parallel port (rear), 1 x RJ45 Ethernet port (rear), 1 x 3.5 mm headset port (front), 1 x 3.5 mm headphone / microphone port (front), 1 x 3.5 mm audio line in port (rear), 1 x 3.5 mm audio line out port (rear).
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Dell Optiplex 780 USFF Ultra Small Form Factor Main System Motherboard (DFRFW)

  • 2 x Audio Ports, 2 x PS2 Connectors, 1 x Display Port.
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