Best Budget Motherboards 2026
16 budget motherboards — Under $50 — best value picks without breaking the bank
JetKVM KVM Over IP ATX Extension Board, ATX Power Control Board- Only for Jet KVM Accessories Boot from Shutdown, Crash Recovery
$0-$49This is an ATX form factor power control board designed for JetKVM accessories, enabling remote PC power state management and simultaneous front panel button use.
MACHINIST B75 LGA 1155 Motherboard, Support Intel 2nd/3rd Gen, Core i3,i5,i7/Xeon E3 12xx (V2) Series Processors, (DDR3 Slots, PCIe X16, NVME M.2, SATA 6Gb/s, USB 3.0) Gaming PC Desktop Mainboard
$0-$49This MACHINIST B75 LGA 1155 motherboard supports Intel 2nd/3rd Gen Core i3/i5/i7 and Xeon E3-12xx (V2) CPUs with up to 16GB DDR3 1600MHz RAM, suitable for reviving older systems.
Pico 2 W With Pre-Soldered Header Compatible With Raspberry Pi Board, Kit +USB Cable, 2.4GHz 802.11n WiFi and Bluetooth 5.2, RP2350 Chip, Dual-Core & Dual-Architecture Design
This RP2350 microcontroller board with 2.4GHz 802.11n WiFi and Bluetooth 5.2 is for hobbyists needing dual-core processing and wireless connectivity.
![Arduino Uno Rev3 SMD [A000073] Microcontroller Board - ATmega328P, 16MHz, 32KB Flash, USB & PWM Support, Ideal for DIY Projects, STEM Learning, Robotics, and Prototyping](https://m.media-amazon.com/images/I/61nFCzNYYcL._SL1000_.jpg)
Arduino Uno Rev3 SMD [A000073] Microcontroller Board - ATmega328P, 16MHz, 32KB Flash, USB & PWM Support, Ideal for DIY Projects, STEM Learning, Robotics, and Prototyping
This is the classic, rock-solid Arduino Uno with a surface-mounted chip, perfect for permanent installations but risky for beginners prone to frying their microcontrollers.
SMA WiFi 6e 2T2R Antenna 2.4G/5G Dual Band for GIGABYTE AORUS Z390 Z270 Z370 Z490 Z590 Z690 X470 X570 X570S X570I H470 H470I H610 B460 B450 B550 B560 B660 AX X299X Magnetic Base PC Desktop
This 8dBi WiFi 6e antenna with a 1-meter cable and magnetic base is for users needing to upgrade or add tri-band wireless connectivity to compatible motherboards.
TPM2.0 Module LPC 14Pin Module with Infineon SLB9665 for ASUS Motherboard Compatible with TPM-M R2.0
This 14-pin Infineon SLB9665 module is a budget plug-and-play fix for getting Windows 11 running on older ASUS motherboards that lack built-in firmware TPM.
PC3-10600U 8GB Kit (2X4GB) DDR3 10600 1333MHz PC3-10600 4GB 2Rx8 240-pin Dimm CL9 1.5V Desktop RAM Memory Module
This 8GB DDR3 kit is a dirt-cheap, no-frills lifeline for keeping decade-old Intel and AMD desktop PCs out of the landfill.
Raspberry Pi 3 A+ Computer Board For Linux
The Raspberry Pi 3 A+ is a stripped-down, 512MB single-board computer perfect for headless IoT projects and lightweight retro gaming where space is tight and Ethernet isn't needed.
ASRock TPM2-S TPM Module Motherboard (V2.0)
This is a dedicated 17-pin hardware security module for older ASRock motherboards, strictly necessary if you want to install Windows 11 without relying on a potentially stuttery firmware TPM.
5 PCS Motherboard Speaker, Computer Casemini Speakers, PC Internal Bios Mini Plug Buzzer Computer Motherboard Buzzer Alarm
This is a dirt-cheap five-pack of piezo buzzers that plug into your motherboard's 4-pin header to spit out BIOS error codes when your PC refuses to boot.
TPM2.0 Module TPM SPI 12Pin Module with infineon SLB 9670 for MSI Motherboard Compatible with TPM2.0(MS-4462)
This 12-pin SPI module adds hardware TPM 2.0 to compatible MSI motherboards for Windows 11 upgrades, but check your manual first because your CPU probably already has this built-in.
Asus TPM-SPI Trusted Platform Module (TPM)
A tiny, cheap hardware module that adds TPM 2.0 to older Asus motherboards with a 14-1 pin SPI header, strictly for getting past Windows 11 installation blocks.
E-outstanding 3PCS Internal PC Speaker for Computer Motherboard Alarm Buzzer BIOS Beep
A cheap, fragile, but essential 4-pin piezo buzzer for diagnosing motherboard POST errors when your PC won't boot and lacks debug LEDs.
Pico 2 W with Color Coded Pre-Soldered Header Compatible with Raspberry Pi Pico 2 W Board+ USB Cable, 2.4GHz 802.11n WiFi and Bluetooth 5.2, RP2350 Chip Dual-Core& Dual-Architecture Design
A budget microcontroller featuring the RP2350 chip, dual-core Arm Cortex-M33 and Hazard3 RISC-V processors at 150 MHz, with 2.4GHz 802.11n WiFi and Bluetooth 5.2.
Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels
A compact I2C expansion board that easily adds 16 digital I/O pins to 3.3V or 5V microcontrollers, perfect for permanent control boxes but frustrating for breadboard prototyping.
MACHINIST H61 LGA 1155 (Intel 2th/3th Gen) Gaming Motherboard, Flex-ATX Computer Motherboards Support PCIe 2.0, 100M LAN, DDR3, SATA M.2 for Intel i3,i5,i7/Xeon E3 V2/Pentium
This is a Flex-ATX LGA 1155 motherboard with DDR3 support and an M.2 slot, designed for budget builds using older Intel 2nd/3rd gen CPUs.