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Thermaltake BigWater 780e

Posted November 26, 2008 by Jake in Cooling







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by Jake
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Specifications & Accessories

The BigWater 780e ESA is designed to fit into three 5.25" drive bays and is compliant with Nvidia ESA technology and motherboards, which allows you to monitor a computer system’s performance including thermal, electrical, acoustic, and operating characteristics that are not otherwise accessible from a single dashboard.  An ESA device consists of a USB interface PCB to a set of sensors and controls, and through Nvidia software you can monitor and control the temperature, pump, fan speed, coolant lever and system status. This unit also will interact with ESA cases and power supplies to work as single unified cooling system.

The 780e is an integrated liquid cooling system that compatible with all of the modern CPU socket types except the newest Socket 1366.  It uses pure copper water block and a 120mm aluminum radiator with Dimple Tube Technology (DTT) that causes coolant swirling within the radiator to increase thermal transfer rates. A 120mm LED fan (800 ~ 2500rpm) to aids the radiator to dissipates heat keep the coolant temperature stays low.  It also has a flow meter visible on the front bezel is a constant indicator of the integrated pump performance, which moves 500 litres of fluid per hour.  Both pump and fan use PWM (Pulse With Module) connectors.  It’s also sport a pair of quick connectors with have spring valves to shuts off coolant flow immediately when you disconnected the durable 3/8” tube made from special material to prevent wear and tear. This is the first Enthusiasts System Architecture certified water cooling device we’ve tested.


  • Dimension: 249.5mm (L) x 149mm (W) x 128mm (H)
  • Weight: 1.74kg
  • Application: CPU – compatible with AMD AM2/AM2+, K8, Intel LGA775 & P4 sockets
  • Water bock: All copper, 58mm (L) x 58mm (W) x 35mm (H), 318g
  • Fitting: Quick connectors for 9.5mm ID (3/8") tubing
  • Pump: DC12v, 500Lph, Ceramic bearing, 600mA, 4-pin PWM function, 10-16dBA, 80,000hr life time, 75mm (L) x 70mm (W) x 75mm (H)
  • Radiator: 120mm aluminum with Dimple Tube Technology design
  • Fan: 120mm, 800 – 2500RPM, 12v, 4-pin PWM function, 10-20dB, 30,000hr expectancy
  • Reservoir: 130.2 (L) x 107.2 (W) x 51.5 (H) mm, 530cc capacity
  • Tube: 9.5mm ID (3/8"), Green UV vinyl
  • Coolant: 1000cc of Propylene Glycol

They don’t call it big for nothing, the BigWater 780e comes in a pretty large box with a typical retail packaging marketing design: shiny black box with high quality photographs of the product in the front, specification on the side and the entire feature detailed on the back. When you opened the box there is a big yellow sheet of paper, a caution note advising users to pre-install and leak-test the kit outside of the case first before you do the final installation.  All components are well-fitted inside individually molded Styrofoam padding material. With all that padding for protection, it looks like it can handle any abuses from poor shipping and handling.

Here we see the contents of the 780e:

Highslide JS

Thermaltake 780e
Highslide JS

Thermaltake 780e

The BigWater 780e includes the following accessories:

  • Main unit: 120mm radiator & fan, pump, reservoir, sensors and flow-meters
  • Universal CPU copper water block with built-in barbs
  • 3/8" ID & ½” OD high quality UV tube
  • Hold-down/Back plate brackets & Retention accessories <
  • A 1000cc pre-mixed coolant
  • No spill refill bottle
  • Pair quick connectors
  • USB, power cables
  • Installation & User Guide

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