8 SFF PCs: Small, But Not So Quiet

Technical Data Of Power Supply

Manufacturer / Model Teamgreate Technology Corp. T433B17
Safety Standards active PFC, CE, TÜV
Total Power 250 Watt max
AC Input 110 - 240 Volt, 50 - 60 Hz
Max output load + 3.3 V @ 18 A, + 5 V @ 18 A, + 12 V @ 16 A, + 5 Vsb @ 2.0 A
Fans 1x 60 mm
Motherboard connectors 1x 20-pin, 2x 12V ATXV2
Driver connectors 2x Peripheral plug for 5.25", 2x Peripheral plug for Serial-ATA via adapter, 1x Peripheral plug for 3.5"
Cooling System And Heat Levels

The new BTX form factor specifications probably had some influence when Biostar developed the heat management system for the iDEQ 300G. Fresh air is sucked in by a 3.14" (80 mm) fan across the front of the SFF-PC and blown through the passive CPU cooling unit. A funnel ensures that as little air as possible escapes from this cooling system. At the end there is a radial fan that moves the heated air out of the mini-PC. Along with the BIOS, a tool in Windows takes care of monitoring the fan. The system control utility has three pre-defined states that can be adjusted individually with sliders in the software.

The rest of the possible heat sources, such as RAM and hard drives, have to direct their thermal power towards the outside via the fan attached to the power supply. For this, the many openings on either side of the mini-PC are helpful.

Passive CPU unit


An intelligent fan control adapts according to the processor


It only takes a few moments to calibrate the system fan

The CPU and power supply get hot very quickly, but then maintain their temperature at about 149 degrees Fahrenheit (65 degrees Celsius).

Only after powering up do the fans raise a brief protest.
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