Buy ‘serials’ with Bitcoin Crypto-Currency – Spendabit

StarTech.com NM9FF DB9 RS232 Serial Null Modem Adapter - F/F

$13.11 at Newegg

RS-232 DB9 Serial to USB Adapter for GNU/Linux (TPE-SERLDB9)

$17.99 at ThinkPenguin

Addon HDMIHSMM8 8ft M/M HDMI 1.4 Cable - Black

$20.59 at Newegg

USB to TTL Serial Cable Adapter for Hacking on Routers (TPE-USBSERIAL)

$8.99 at ThinkPenguin

7.2V Buck Converter for Serial Bus Servos

$4.61 at The Pi Hut

USB to RS-232 adapter cable with COM Retention from StarTech.com

$35.24 at Scan Computers

Scan 1m USB-C to DB9 Serial Cable - Black

$13.53 at Scan Computers

USB-C CDC Serial Adaptor (3.3V)

$5.29 at The Pi Hut

Brian's 2009 Nissan GTR R35 Blue Ben Sopra "Fast & Furious" Movie 1/32 Diecast Model Car by Jada

$18.15 at Newegg

FTDI Friend with Micro USB Port + extras

$14.75 at Adafruit

Corsair Premium White Individually Sleeved Serial ATA (SATA) Type-5 PS

$13.53 at Scan Computers

USB to RS232 / DB9 Serial Port Adapter (USB Gadgets Category)

$13.95 at Gadgets Direct

PTZOptics SuperJoy IP and Serial PTZ Camera Joystick Controller #PT-SUPERJOY-G1

$1.00 at Newegg

Generic 64 Mbit Serial Pseudo SRAM - 3.3V 133 MHz

$2.31 at The Pi Hut

Corsair Premium Black Individually Sleeved Serial ATA (SATA) Type-5 PS

$13.53 at Scan Computers

Honeywell PX940A 4" Industrial Thermal Transfer & Direct Thermal Printer with Integrated Label Verification, 3.5" Color Touch LCD, 300 dpi, USB, USB Host, Serial, Ethernet, BLE 4.0 - PX940A00100000302

$2.00 at Newegg

AddOn 6ft Cat6 Snagless UTP Network Patch Cable Blue ADD6FCAT6BLUE

$6.13 at Newegg

BRAINBOX PX-279

$605 at Scan Computers