SXDOOL
SXDOOL Young Lin DFS122512H 120x25mm 12V 3.4W 2-pin case fan
120 mm case fan running on 12 V and drawing 3.4 W through a 2-pin connector
- 120 mm frame fits standard case mounts
- 25 mm thickness suits most chassis slots
- 12 V DC input matches typical fan headers
- 4 W power draw keeps energy use low
- 2-pin connector enables simple installation
Compact 120 mm DC fan for standard chassis cooling
The SXDOOL Young Lin DFS122512H is a 120 mm by 25 mm case fan that runs on 12 V DC power and draws 3.4 W. It uses a simple two-wire, two-pin connector for direct connection to a motherboard or fan controller. The unit is aimed at builders who need a straightforward replacement or additional airflow in a standard mounting pattern.
Two-pin DC control limits speed regulation options
Because the fan uses a two-pin DC interface, speed can only be adjusted by varying the supply voltage. There is no PWM signal wire, so the motherboard cannot send precise duty-cycle commands. This means the fan will either run at full voltage or at a reduced voltage set in BIOS or by a hardware controller, and it cannot report its rotational speed back to the system.
Simple screw mounting but no speed feedback
Installation requires four screws through the 120 mm mounting holes found on most cases and radiators. The two-pin plug fits any standard 12 V header, but polarity must be observed. Without a tachometer wire the system cannot monitor fan health, so a stalled or failing fan will not trigger a warning. Builders who need automatic speed curves or failure alerts should consider a three- or four-pin alternative.
Highlights
- 120 mm frame fits standard case mounts
- 25 mm thickness suits most chassis slots
- 12 V DC input matches typical fan headers
- 4 W power draw keeps energy use low
- 2-pin connector enables simple installation
Specifications
No published specifications for this item yet.
Questions about this item
Is the 120 mm by 25 mm size the only version of the Young Lin DFS122512H?
Yes, the Young Lin DFS122512H is supplied in a single 120x120x25 mm form factor with no alternative dimensions listed.
What does the 3.4 W rating mean for airflow inside a real chassis?
The 3.4 W draw at 12 V indicates a low-power motor designed for quiet background cooling rather than high-static-pressure airflow.
How does the 2-pin DC connection limit speed control?
The 2-pin DC interface supplies fixed 12 V power, so the fan runs at a constant speed and cannot be PWM-regulated by the motherboard.
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