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Black square 120 mm case fan with transparent blades and two-wire connector

Vszerda

Vszerda RDH1225S case fan 120x120x25mm 12V 0.40A 5500RPM 2-pin

SKU CH-B7WN-D7FN5 MPN RDH1225S

120 mm brushless chassis fan spins at 5500 RPM on 12 V and 0.40 A with a 2-pin connector

  • 120 mm frame fits standard case mounts
  • 25 mm thickness clears most chassis layouts
  • 12 V brushless motor runs at 5500 RPM
  • 40 A draw keeps power use low at 1 W
  • 2-pin connector plugs straight into motherboard headers

120 mm brushless chassis fan

The Vszerda RDH1225S is a 120 x 120 x 25 mm brushless DC fan designed for chassis cooling. It runs on 12 V and draws 0.40 A, spinning at 5500 RPM. The two-pin connector supplies power without speed reporting.

Replacement cooling for standard mounts

This fan suits builders replacing a failed 120 mm unit in a case, CPU cooler or other 12 V two-pin header. It does not suit systems that require PWM control, tachometer feedback or a different voltage.

5500 RPM fixed speed

The single specification that decides fit is the fixed 5500 RPM speed on a two-pin connector. Buyers needing variable speed or lower noise should look at PWM models instead.

How it compares

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

Price $32.99
Pricier than about 80% 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 can I confirm the Vszerda RDH1225S is spinning at the rated 5500 RPM after installation?

Connect the 2-pin connector to a 12 V header, power on the system, and verify the fan reaches 5500 RPM using BIOS hardware monitoring or a software utility.

What is included with the Vszerda RDH1225S and what must be purchased separately?

The box contains the 120x120x25 mm brushless DC fan with a 2-pin power lead; mounting screws and any fan-speed controller are not included.

Which version of the RDH1225S should I choose for a standard 120 mm chassis mount?

The single listed model RDH1225S fits a 120x120x25 mm cut-out, runs on 12 V at 0.40 A, and delivers 5500 RPM — select this version for direct replacement.

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