EK-Quantum Surface S420 30mm Radiator Review – Performance, Features & More

EK-Quantum Surface S420 30mm Radiator Review

Table of Contents:

Introduction

The EK-Quantum Surface S420 is a 30mm thick, 420mm custom cooling radiator designed for serious enthusiasts seeking top-tier cooling performance. It’s built with high-grade copper fins and features a sleek design with stainless steel side plates. I’ve been using this radiator in my custom loop for several weeks now, and I’m ready to share my thoughts.

Features & Specifications

The EK-Quantum Surface S420 boasts a range of features that make it stand out:

Feature Specification
Material – Fins High-grade 99.9% copper
Material – Tubing Copper H90
Material – End Tank Chambers Brass H62
Material – Side Plates Stainless Steel
Material – End Piece Covers Extruded Aluminum Silver anodized
Material – Adapters and Plugs Brass nickel-plated
Dimensions (L x W x H) 465 x 145 x 30mm
Weight 1.12kg
Fins Per Inch (FPI) 20
Port Threads 2x G1/4″
Fan Compatibility 140x140x25mm fan
Pressure Tested 1 bar
Enclosed Items EK-Quantum Surface S series radiator, 12x M4x30mm screws for 25mm thick fans, 12x M4x5mm screws for mounting the radiator directly to the case

Performance

The EK-Quantum Surface S420 delivers excellent cooling performance. It consistently maintains low CPU temperatures even under heavy load. I’ve been pushing my system to its limits with demanding games and benchmarks, and the radiator has held its own without any issues. The 20 FPI design allows for good airflow, while the high-quality copper fins contribute to efficient heat dissipation. The radiator is also very quiet, even when running multiple fans at high speeds.

Pros & Cons

Here’s a breakdown of the EK-Quantum Surface S420’s strengths and weaknesses:

Pros:

  • Excellent cooling performance
  • High-quality construction with premium materials
  • Sleek and stylish design
  • Quiet operation even under load
  • Easy to install and mount

Cons:

  • Slightly higher price compared to some other radiators
  • Limited compatibility with some cases due to its thickness

Final Verdict

The EK-Quantum Surface S420 is a top-notch radiator that delivers exceptional cooling performance for those seeking the best. It’s well-built, performs flawlessly, and is surprisingly quiet. While the price might be a bit higher than some other options, the quality and performance are undeniable. If you’re serious about water cooling and need a powerful radiator, the EK-Quantum Surface S420 is a fantastic choice.