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Square black 120 mm frame with transparent blades and four-pin connector visible

Fans

Fans AFB1212SHSize 12V .8A 3400RPM 113CFM 46.5dBA 12025 double ball case fan

SKU CH-KSAG-ETF87 MPN AFB1212SHSize

120 mm PWM case fan with double ball bearing, 3400 RPM, 113 CFM airflow and 46.5 dBA noise

  • High airflow with 113 CFM at 3400 RPM
  • Low noise level of 46.5 dBA for quiet operation
  • Double ball bearing rated for 80000 hours lifespan
  • PWM speed control via 4-pin and 3-pin interfaces
  • Compact 120x120x25 mm design fits standard 120 mm mounts

Delta AFB1212SH 120 mm case fan

The Delta AFB1212SH is a 120 mm axial case fan built with a high-precision double ball bearing. It runs on 12 V at 0.8 A and spins at 3400 RPM, moving 113 CFM at 46.5 dBA. The 4-pin and 3-pin interfaces provide PWM speed control for system integration.

Suits high-airflow cooling in servers

This fan suits builders who need sustained high static pressure in dense enclosures, rackmount servers or industrial chassis where 80 000-hour bearing life reduces service intervals. It is not for silent PC builds, low-power appliances or any setup limited to 5 V or 7 V operation.

113 CFM at 3400 RPM decides fit

The 113 CFM rating at 3400 RPM is the single figure that determines whether this fan meets the thermal target. Match that airflow against the system resistance curve before ordering.

How it compares

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

Price $31.99
Pricier than about 78% 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

What are the physical dimensions of the AFB1212SHSize fan for case mounting?

The fan measures 120 mm by 120 mm with a 25 mm thickness, matching the standard 12025 form factor for case fan mounts.

How do I connect the 4-pin PWM and 3-pin interfaces on this Delta fan during installation?

Plug the 4-pin connector into a motherboard PWM header for speed control; the 3-pin interface is an alternative for voltage control or monitoring.

When should I expect to replace the double ball bearing fan based on its rated working life?

The bearing is rated for 80,000 hours of operation; plan replacement when noise or vibration increases beyond the specified 46.5 dBA level.

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