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Small black 70mm square USB-powered case fan with plastic frame

SXDOOL

SXDOOL 70mm DC 5V USB case fan 7015MB05B

SKU CH-5ST7-33098

70 mm DC 5 V USB-powered case fan with plastic frame for computer cooling

  • USB-powered convenience for router or case cooling
  • 70 mm frame fits tight enclosures
  • 5 V DC operation keeps energy draw low
  • Ultra-silent running suits quiet environments
  • Plastic housing reduces weight and vibration

Compact USB-powered 70 mm case fan

The SXDOOL 7015MB05B is a 70 mm DC fan that draws 5 V power from a standard USB port, making it suitable for small-form-factor cases, router enclosures or any device with a spare USB socket. Its two-wire design keeps cabling simple for DIY cooling upgrades.

Sustained low-speed airflow

Running continuously from a USB supply, the fan maintains a steady airflow without the spin-up spikes seen on PWM-controlled 12 V units, so temperatures in tight enclosures stay stable during long sessions. The plastic frame and blade assembly are built for constant operation at the rated voltage.

Tool-free USB mounting

The USB plug lets you power the fan from a router, NAS or PC front panel without opening the case to reach a motherboard header, while the 70 mm footprint fits common mounting holes on compact chassis and network gear. No additional adapters or soldering are required.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 63% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How loud is the 70mm USB fan when it runs continuously?

The fan is described as ultra-silent and uses a 5V USB power interface, drawing minimal current for quiet 24/7 operation.

What power source does the 7015MB05B require to operate?

It needs any standard USB port supplying 5V DC, such as a router USB socket, PC motherboard header, or a common USB wall charger.

Will this 70mm fan fit the screw mounts on my older router chassis?

The 70mm frame matches standard 70mm mounting holes found on models like the RT-AC68U and EX6200 for direct replacement.

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