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Small black 4028 12V server chassis cooling fan

TOPLAB

TOPLAB 4028 12V 1U server chassis fan 4CM+cooling fan

SKU CH-4JWK-XEPET

12V 4028 server chassis fan fits 1U systems for compact cooling

  • 12V power fits standard 1U server rails
  • 4028 form factor slots into tight chassis bays
  • New condition ensures full rated airflow from day one
  • Designed as direct replacement for AVC DB04028B12U

1U server chassis replacement fan

This 12 V fan is built to fit the 4028 form factor used in 1U server chassis. It serves as a direct replacement for the AVC DB04028B12U unit. System administrators maintaining dense rack equipment will find it matches the original mounting and power requirements. It is not suited for builds that need larger frame sizes or different voltage rails.

Sustained airflow in tight spaces

The compact frame delivers continuous cooling inside 1U enclosures where airflow paths are short and resistance is high. Steady 12 V operation keeps rotational speed stable during extended workloads without the thermal throttling seen in short-burst designs. Bearings are rated for long-running duty cycles typical of always-on server environments. It does not address scenarios that demand higher static pressure than the 4028 class provides.

Highlights

  • 12V power fits standard 1U server rails
  • 4028 form factor slots into tight chassis bays
  • New condition ensures full rated airflow from day one
  • Designed as direct replacement for AVC DB04028B12U

Specifications

No published specifications for this item yet.

Questions about this item

How loud is the 4028 fan when running continuously in a 1U server chassis?

The 4028 fan is designed for 1U server chassis where airflow density is high; expect noticeable airflow noise at 12 V continuous operation.

What power connector does the 12 V fan need to work in my server?

The fan operates on 12 V DC; verify your chassis provides a compatible 12 V header or molex connection for the DB04028B12U.

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