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Black 280 mm AIO radiator with two 140 mm fans and black CPU block

be quiet!

be quiet! PURE LOOP 3 280mm liquid cooler BW028US

SKU CH-VZW2-9S4AZ MPN BW028US

A 280 mm AIO with two 140 mm PWM fans and a 6-pole pump for quiet, high-performance CPU cooling

  • TypeAIO
  • Block CompatibilityAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA
  • Fan Size2 Fan Slots (140 mm)
  • ColorBlack
  • LED ColorNon LED
  • High cooling performance for heavily overclocked CPUs
  • 6-pole PWM pump motor minimises vibration
  • Two 140 mm Pure Wings 3 PWM fans deliver high static pressure quietly
  • Daisy-chained PWM fans simplify cable routing
  • Flexible sleeved tubes and refill port ease installation and maintenance

PURE LOOP 3 280 mm liquid cooler

The be quiet! PURE LOOP 3 280 mm is an all-in-one liquid cooler built for heavily overclocked consumer CPUs. It uses a 280 mm radiator paired with two 140 mm Pure Wings 3 PWM high-speed fans. A 6-pole PWM pump with three phases keeps vibration low. Flexible sleeved tubes and an accessible refill port simplify installation and maintenance.

Suits builders using mainstream AMD or Intel sockets

The cooler mounts on AMD Socket AM4, AM5 and Intel LGA 1150, 1151, 1155, 1200, 1700 and 1851 platforms. Daisy-chained PWM fans reduce cable clutter for tidy builds. Buyers who need support for HEDT or workstation sockets not listed here must choose a different unit. The non-LED black finish fits understated system aesthetics.

280 mm radiator with dual 140 mm fans

The 280 mm radiator and two 140 mm fan slots define the thermal capacity and case clearance required. Verify that your chassis supports a 280 mm radiator before purchase. This single dimension decides whether the cooler fits your build.

Highlights

  • High cooling performance for heavily overclocked CPUs
  • 6-pole PWM pump motor minimises vibration
  • Two 140 mm Pure Wings 3 PWM fans deliver high static pressure quietly
  • Daisy-chained PWM fans simplify cable routing
  • Flexible sleeved tubes and refill port ease installation and maintenance

Specifications

Brandbe quiet!
SeriesPURE LOOP 3
ModelBW028
Part NumberBW028
TypeAIO
Block CompatibilityAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA 1151 / Intel LGA 1155 / Intel LGA 1200 / Intel LGA 1700 / Intel LGA 1851
Fan Size2 Fan Slots (140 mm)
ColorBlack
LED ColorNon LED
Shipping weight1.93 kg
Package size363 × 208 × 157 mm

Questions about this item

What case clearance does the 280 mm radiator with two 140 mm fans require?

The radiator measures 280 mm and uses two 140 mm fan slots, so verify your case supports a 280 mm front, top or rear mount before buying.

How do I connect the daisy-chained PWM fans and pump to the motherboard?

Plug the single PWM fan header into the CPU_FAN header; the pump draws power from the same chain, so do not connect the pump to a separate AIO_PUMP header.

Can the coolant be topped up later through the refill port?

Yes, the unit includes an easy-to-access refill port that lets you add coolant without removing the cooler from the case.

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