52Pi
52Pi is a brand specialised in accessories, HATs and solutions for Raspberry Pi and other single-board computing platforms. Its products include cooling systems, clusters, cases, expansion modules and educational kits, very popular among makers and IoT developers.
Products by 52Pi (6)

4G/3G HAT for Raspberry Pi
4G/3G cellular connectivity HAT for Raspberry Pi with Mini PCI-E socket, Nano SIM slot and USB-C for AT commands. Compatible from Pi Zero up to Pi 4B and Jetson Nano.

Aluminium Heatsinks for Raspberry Pi 4B
Set of aluminium heatsinks for the Raspberry Pi 4B. Lower the temperature of the SoC, RAM and USB controller for demanding sessions without throttling.

DeskPi Pro V3.0 - Aluminium Case for Raspberry Pi 4
Mini-PC-format aluminium case for the Raspberry Pi 4 with ICE Tower cooling, 2.5" SSD bay, full HDMI, 2 front USB ports and QC 3.0 power supply included.

M.2 NVMe SSD Expansion Board for Raspberry Pi 4
M.2 NVMe expansion board for Raspberry Pi 4B. Direct pogo-pin connection, no soldering or cables. Only compatible with Pi 4B.

M2.5 Screw and Standoff Kit for Raspberry Pi
Complete 220-piece M2.5 kit for Raspberry Pi assembly: anti-corrosion steel hardware, insulating acrylic washers, raised headers and screwdriver included.

UPS with RTC and Coulometer for Raspberry Pi 4B/3B+/3B
UPS for Raspberry Pi with swappable 18650 batteries, real-time clock (RTC), I2C charge coulometer and multi-protection. Compatible with Pi 4B/3B+/3B.