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Compact black 1U liquid cooler with integrated pump and radiator, 4-pin PWM connector

Dynatron

Dynatron L3-UH LGA1700 AM3 1U 250W liquid cooler

SKU CH-XBE4-CJ0JB

1U all-in-one liquid cooler with 4-pin PWM control dissipates up to 250 watts for LGA1700 and AM3 sockets

  • Product typeCooler
  • 250 W cooling capacity handles high-heat CPUs
  • 4-pin PWM connector enables automatic fan-speed control
  • 1U form factor fits space-constrained server chassis
  • Supports Intel LGA 1700 socket for modern processors
  • Supports AMD AM3 socket for legacy platforms

Socket LGA1700 and AM3 support

The Dynatron L3-UH is a new all-in-one liquid cooler built for Intel LGA1700 and AMD AM3 processors. Its 1U form factor fits standard rack-mount servers and compact workstations where vertical space is limited. A 4-pin PWM connector allows the motherboard to regulate pump and fan speed automatically.

Upgrading from stock air coolers

This unit replaces basic boxed heatsinks that struggle with sustained loads in 1U chassis. The jump is worth it when CPU thermal design power approaches the cooler's 250-watt rating and acoustic targets demand quieter operation. Builders staying with lower-power CPUs or taller tower cases will not need this density.

250-watt thermal headroom

The cooler comfortably handles multi-core workloads, rendering and virtualization tasks that push compatible sockets toward their thermal limits. It runs out of capacity when overclocking pushes sustained package power beyond the rated 250 watts or when chassis airflow cannot exhaust the radiator heat.

How it compares

Measured against everything we stock in Liquid Cooling & AIO Coolers, at today’s prices. Recalculated every night.

Price $72.99
Typical for this category: the median of 1,190 items is $71.99.

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Specifications

Product
Product typeCooler

Questions about this item

Will the 1U form factor fit my server chassis?

The cooler is built to the 1U height standard, so it mounts in any rack-mount chassis that accepts a 1U CPU cooler.

How do I connect the 4-pin PWM connector correctly?

Plug the 4-pin PWM header into the CPU_FAN socket on the motherboard; the keyed connector prevents reverse insertion.

Does the sealed loop ever need coolant topped up?

The all-in-one loop is factory sealed and maintenance-free; no refill or fluid change is required during its service life.

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