EDATEC ED-Pi4Case-OB on Raspberry Pi 4

Passive Coolingfor Raspberry Pi 4
-15.0°Cvs stock (78°C → 63°C peak)
Tested Jun 18, 2026
$7.00$0.47 per °C cooled
Buy from EDATEC
Peak Temp
63°C
36°C idle
CPU Frequency
1500MHz
1500 MHz idle
No Throttling
Power Draw
5.1W

No Thermal Throttling

CPU maintained full frequency throughout the test

Test Configuration

CPU Governor
performance
Operating System
Debian GNU/Linux 13
Kernel
6.12.47+rpt-rpi-v8

Thermal Timeline

Layers
Load (59min 21s stress)
Cooldown (1min)

How It Compares on the Raspberry Pi 4

The EDATEC ED-Pi4Case-OB ranks #1 of 3 aftermarket coolers tested on the Raspberry Pi 4, based on peak temperature reduction versus stock cooling.

CoolerTypePeakvs StockPrice
EDATEC ED-Pi4Case-OBThis cooler
Passive63°C-15.0°C$7.00
Passive71°C-7.0°C$3.50
Passive77°C-1.0°C-
None78°C--
See the full Raspberry Pi 4 cooler comparison