Buy ‘addon’ with Bitcoin Crypto-Currency – Spendabit

EPOS EXPAND 40 Smart Bluetooth Speakerphone - Black

AddOn - Network Upgrades 9.84 ft

$20.73 at Newegg

GekoGear Orbit D111 1080P HD Dash Cam - 3" Screen - Dashboard - Wired - 1920 x 1080 Video - CMOS

$99.99 at Newegg

SupTronics X1009 5-Port SATA Add-on for Raspberry Pi 5

$66.09 at The Pi Hut

SupTronics X1012 NVMe + PoE Add-on for Raspberry Pi 5

$39.60 at The Pi Hut

CIOKS CRUX Add-on for DC7

$91.30 at Scan Computers

AddOn AA579531-AM 32GB DDR4 SDRAM Memory Module - DDR4-2933MHz - Registered ECC Dual Rank x4 - 1.2V 288-pin - CL17 RDIMM

AddOn 0.5m MPO/UPC to MPO/UPC Aqua OM4 OFNR (Riser-Rated) 12-Strand Fiber Patch Cable ADD-MPOMPO-0-5M5OM4

$79.99 at Newegg

AddOn Cisco Meraki MA-SFP-1GB-TX Compatible TAA Compliant 10/100/1000Base-TX SFP Transceiver (Copper, 100m, RJ-45)

$49.67 at Newegg

SupTronics X1004 Dual NVMe Add-on for Raspberry Pi 5

$35.23 at The Pi Hut

AddOn

$50.99 at Newegg

AddOn

$52.99 at Newegg

StarTech.com 2-Port 10Gbps USB-A & USB-C PCIe Card Adapter - USB 3.2 Gen 2 PCI Express Expansion Add-On Card - Windows, macOS, Linux

$55.99 at Newegg

Product Addons

$2.79 at PRO Test

Stagg Large Add-On Music Stand

$32.66 at Scan Computers

Thermaltake CT140 EX ARGB Sync PC Cooling Fan 3-Fan Pack 3 Pack CLF182PL14SWA

$75.99 at Newegg

Single Metal Momentary Footswitch Addon, Model PS1, for Korg Devices

$30.60 at Scan Computers

Chibitronics White LEDs Add-On Pack

$42.92 at The Pi Hut

OMSI 2 Add-on Chicago Downtown [Online Game Code]

$19.99 at Newegg

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

$15.26 at The Pi Hut

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

$19.07 at The Pi Hut

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

$12.72 at The Pi Hut

Adafruit Mini PiTFT 1.3" - 240x240 TFT Add-on for Raspberry Pi

$19.08 at The Pi Hut

Noise Add-On Pack for Kitronik Inventor's Kit for micro:bit

$19.86 at The Pi Hut

iStarUSA DD-666-2U-M 2U PCIe x16 to PCIe x16 Riser Card Middle Position

$57.99 at Newegg

Dell® 407-BCBN Compatible TAA 10GBase-SR SFP+ Transceiver (MMF, 850nm, 300m, LC, DOM)

$71.99 at Newegg

Adafruit Audio BFF Add-on for QT Py and Xiao

$5.95 at Adafruit

Dangerfield Skeleton Essential 26 Piece Add-On Set #1

$33.10 at UK Bump Keys

AddOn

$15.99 at Newegg

AddOn

$6.99 at Newegg

Stagg Small Add-On Music Stand

$25.16 at Scan Computers

Adafruit DC Power BFF Add-On for QT Py

$10.20 at The Pi Hut

ADDON Wireless AC Dual Band 1200Mbps PCI-e Adapter (AWP1200E)

$33.06 at Overclockers UK

AddOn

$8.99 at Newegg

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

$3.95 at Adafruit

DC Motor + Stepper FeatherWing Add-on for All Feather Boards

$25.43 at The Pi Hut

Digital Logic Add-On Pack for Kitronik Inventor's Kit for micro:bit

$13.91 at The Pi Hut

Addon WiFi 6E/BT5.2 AX3000 MU-MIMO Wireless PCIe Adapter Card

$43.68 at Scan Computers

Adafruit NeoKey BFF for Mechanical Key Add-On for QT Py and Xiao

$2.50 at Adafruit

AddOn Finisar® FTLX8574D3BTL Compatible TAA 10GBase-SR SFP+ Transceiver (MMF, 850nm, 300m, LC, DOM, -40 to 85C) | FTLX8574D3BTL-AO

$33.01 at Newegg

SupTronics X1001 NVMe Add-on for Raspberry Pi 5

$10.47 at The Pi Hut

Single Plastic Momentary Footswitch Addon, Model PS3, for Korg Devices

$17.60 at Scan Computers

SparkFun Pico Add-On Flipper for XRP

$7.69 at The Pi Hut

AddOn

$12.99 at Newegg

Adafruit 1.3" Color TFT Bonnet for Raspberry Pi - 240x240 TFT + Joystick Add-on

$15.90 at Pimoroni

AddOn Ubiquiti SFP+ Module - For Data Networking, Optical Network - 1 x LC 10GBase-SR Network - Optical Fiber - Multi-mode - 10 Gigabit Ethernet - 10GBase-SR0.30 km Maximum Distance - 2 - TAA Complian

$74.99 at Newegg

Supermicro Accessory AOC-SLG3-2M2-O PCIe Add-On Card for up to two NVMe SSDs Brown Box

$66.99 at Newegg

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

$9.95 at Adafruit

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

$6.36 at The Pi Hut

Silverstone SST-ES02-PCIE 2.4Ghz Wireless Computer Power and Reset Remote Switch

$43.99 at Newegg

SupTronics X1003 NVMe Add-on for Raspberry Pi 5

$7.82 at The Pi Hut

ZIP LED Add-On Pack for Kitronik Inventor's Kit for micro:bit

$19.86 at The Pi Hut

8-Channel PWM or Servo FeatherWing Add-on for All Feather Boards

$12.72 at The Pi Hut

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

$12.99 at Pimoroni

AddOn CAT6A UTP PVC Snagless Booted Copper Patch Cable, 50ft - Blue

$32.99 at Newegg

AddOn

$9.99 at Newegg

Yealink YEL-TV-CLIPMOUNT

$59.99 at Newegg

Adafruit Assembled FeatherWing OLED - 128x64 OLED Add-on

$20.40 at The Pi Hut

AddOn

$9.99 at Newegg

AddOn 5ft Cat.6 Snagless UTP Network Patch Cable Black ADD5FCAT6BK

$18.42 at Newegg