Buy ‘addon’ with Bitcoin Crypto-Currency – Spendabit

Addon Wireless 11AC 1300Mbps Dual Band High Gain USB Adapter AWU-G37

$17.86 at Scan Computers

Dokan Add-on

$23.19 at CryptoWoo

Lenovo ThinkVision MS30 Sound Bar Speaker 4 W RMS Black 4XD1J05151

$38.99 at Newegg

Adafruit PiUART - USB Console and Power Add-on for Raspberry Pi

$6.95 at Adafruit

Adafruit FeatherWing OLED - 128x32 OLED Add-on for Feather

$14.95 at Adafruit

FeatherWing Doubler - Prototyping Add-on for All Feather Boards

$9.67 at The Pi Hut

OMSI 2 Add-on Metropole Ruhr [Online Game Code]

$34.99 at Newegg

ADDON AWU-G37 High Gain Dual-Band Wireless AC1300 Nano USB Network Adapter

$25.10 at Overclockers UK

Adafruit FeatherWing OLED - 128x64 OLED Add-on for Feather

$14.95 at Adafruit

-28%

$49.99 at Green Man Gaming

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

$20.59 at Newegg

Adafruit I2S Amplifier BFF Add-On for QT Py and Xiao

$4.95 at Adafruit

AddOn 3ft Cat6A Snagless UTP Network Patch Cable Black ADD3FCAT6ABK

$18.61 at Newegg

Solana Add-on

$34.78 at CryptoWoo

AddOn

$9.99 at Newegg

Vertcoin Add-on

$23.19 at CryptoWoo

Adafruit Audio BFF Add-on for QT Py and Xiao

$5.63 at Pimoroni

Adafruit NeoPixel Driver BFF Add-On for QT Py and Xiao

$5.04 at The Pi Hut

Addon 11AC Dual Band Nano USB3.0 Adapter AWU-G30

$17.19 at Scan Computers

Adafruit DC Power BFF Add-On for QT Py

$7.95 at Adafruit

Adafruit AirLift Bitsy Add-On – ESP32 WiFi Co-Processor

$14.95 at Adafruit

Adafruit IoT Button with NeoPixel BFF Add-On for QT Py and Xiao

$4.51 at The Pi Hut

-15%

$33.99 at Green Man Gaming

NeoPixel FeatherWing - 4x8 RGB LED Add-on for All Feather Boards

$14.95 at Adafruit

Monero Add-on

$34.78 at CryptoWoo

-15%

$16.99 at Green Man Gaming

Dash Add-on

$23.18 at CryptoWoo

Adafruit 5x5 NeoPixel Grid BFF Add-On for QT Py and Xiao

$9.54 at Pimoroni

-30%

$9.99 at Green Man Gaming

Adafruit IoT Button with NeoPixel BFF Add-On for QT Py and Xiao

$3.50 at Adafruit

-56%

$29.99 at Green Man Gaming

AddOn SFP+ Module - For Optical Network, Data Networking - 1 x LC 10GBase-SR Network - Optical Fiber - Multi-mode - 10 Gigabit Ethernet - 10GBase-SR - 10 Gbit/s - 0.30 km Maximum Distance - Hot-swappa

$4.00 at Newegg

SYBA USB 3.0 3+1 Port PCI-e Card, Free Low Profile Bracket, Renesas Chipset Model SD-PEX20137

$19.99 at Newegg

-56%

$39.99 at Green Man Gaming

SYBA SI-PEX40110 M.2 M-Key NVMe PCI-e to PCI-e x4 Converter Card

$16.99 at Newegg

AddOn 6ft Cat6 Snagless UTP Network Patch Cable Blue ADD6FCAT6BLUE

$6.13 at Newegg

SYBA SY-PEX30016 3 Port IEEE 1394 Firewire 2x 1394B & 1x 1394A PCIe 1.1 x1 Card TI XIO2213B Chipset

$23.99 at Newegg

QVS CC2229C-03BK 3Ft Usb 3.0/3.1 Type A Male to Male 5Gbps Black Cable

$18.99 at Newegg

AddOn

$10.99 at Newegg