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EKWB EK-Quantum Surface X420M - White
SKU# AC68444, Model# 268444


Online Only. Ends 02/07/2024 or While Promotional Stock Lasts

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SKU # AC68444 | Model # 268444 | Brand EKWB

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EKWB EK-Quantum Surface X420M - White - Compatible with EK-Matrix7 - 3831109838891

Manufacturer Warranty: 2 Years Limited Warranty
Manufacturer Contact Info: www.ekwb.com,

· High-grade 99.9% copper fins
· Copper H90 tubing
· Brass H62 end tank chambers
· Stainless Steel side plates
· Extruded Aluminium Silver anodized end piece covers

EK-Quantum Surface X420M - White

For those who demand the most cooling power from an EK-Quantum Surface radiator, the 58mm-thick X Series is the right choice. These thick radiators benefit most from medium and high-speed fans or a Push/Pull setup. Equipped with four G1/4 "threaded connection ports, the X Series provides additional versatility during the loop planning process. The fifth G1/4 "port located on the end tank is an irreplaceable feature for draining the loop and air bleeding. Eighteen 2mm wide copper tubes across the radiator ensure optimal coolant flow, putting no stress on your cooling loop. High-grade non-louvered copper fins with 18 FPI density balance thermal transfer and air resistance best. EK doesn't recommend using slow-running fans on X Series EK-Quantum Surface radiators as they require adequate airflow to remove more heat than they absorb in their thick core.

All EKWB stock are kept at EKWB HQ Slovenia - Europe. Once you place your order with Mwave, we will order the product in. This generally can take up to 10+ business days to reach Mwave.

EKWB EK-Quantum Surface X420M - White

EK-Quantum Surface premium radiators are built upon years of development and market research to deliver the best product that the market demands in every possible way. The finish of the materials, mechanical rigidity, and performance have all been brought to another level. Like all other Quantum Line products, EK's brand-new Surface radiators bring numerous performance improvements, including thermal performance, coolant flow restriction, and airflow restriction. 

With the supplied screws, this radiator is compatible with 140mm fans with a standard 25mm thickness. EK recommends using EK fans or similar ones with sealed-edge frames. This classic yet effective square shape of the fan casing provides optimal performance in either the pull (suction) or push (pressure) regime without any hydraulic losses, thus ensuring the optimal cooling capacity of your liquid cooling radiators. 



EKWB EK-Quantum Surface X420M - White

Thick, extruded aluminium end caps with a contrasting silver finish give the radiator a premium look and feel. They cover the internals and join the stamp-pressed side plates, creating a rigid structure that is pleasant to handle. The stainless-steel side plates are coated with durable semi-gloss white paint, while the fins have a special black matte coating with a high thermal conductivity coefficient. 



Multiport – The Choice of Ports is Yours

Set into the aluminium accent end caps are modular plugs and adapters that can be interchanged and configured by the user for optimal tube routing.?This multiport radiator has two additional G1/4 "threaded connection ports on the side and one extra port on the opposing end for air bleeding.  

EKWB EK-Quantum Surface X420M - White



M4 Screws – Standardized, Easy to Find 

Hard-wearing black M4 Philips round-headed screws are supplied for ease of use. In general use case scenarios, EK strongly suggests using only the included screws to avoid damage to the radiator itself. However, M4 screw compatibility allows the users to source longer screws if necessary. The cooling core is designed to cause no detrimental damage to the structural integrity of the radiator core even if the customer uses longer screws accidentally, as they will collide only with the fins. 



Easy Disassembly – DIY Modding Dream 

The EK-Quantum Surface range was designed and executed as a modular product range rather than individually sized radiators. Such a design achieves immaculate fitment and continuity in appearance while simultaneously making the disassembly process straightforward. Catering to the DIY modding community is something EK has always been supporting, so painting and modifying your Surface radiator will be a breeze.  

EKWB EK-Quantum Surface X420M - White



Loop Friendly – Don't Worry About Your Pump 

The internal structure design of the radiators was executed with low flow restriction in mind, providing no unnecessary stress on the rest of the cooling loop. You can add multiple radiators to your cooling loop using only a single pump (D5 or DDC). The radiators are airflow-friendly and low-restriction, allowing lower fan speed operation to achieve the same performance. Low airflow restriction keeps the case well-ventilated and allows other radiators to breathe correctly.   



EK-Matrix7 Compatible – For the Cleanest Tube Runs

Since any custom liquid-cooling loop is built from multiple EK products, the most valuable distinction in aesthetics and ease of use comes from the sum of all the parts. To address this, EK initiated Matrix7, a system that standardizes products' dimensions, port position and spacing. In so doing, we are making the liquid cooling loop assembly more intuitive and having a clean set of parallel tubing runs easier. 

All EK-Quantum Surface radiators are EK-Matrix7 compatible, which means they effortlessly integrate with Reflection², the second generation of Quantum distro plates. This enables the user to easily swap and upgrade between S, P, and X series Surface radiators within the same case (provided the case supports thicker radiators in the same position). 



Technical and Material Specifications:

- High-grade 99.9% copper fins  
- Copper H90 tubing 
- Brass H62 end tank chambers 
- Stainless Steel side plates 
- Extruded Aluminum Silver anodized end piece covers 
- Brass nickel-plated adapters and plugs 

Dimensions: 465 x 145 x 58mm (L x W x H)
Weight: 2.42kg
FPI: 18
Port threads: 5x G1/4"  
Fan compatibility: 140x140x25mm fan
Pressure tested: 1bar  


- EK-Quantum Surface X series radiator
- 12x Phillips Slotted M4x30mm for 25mm thick fans 
- 12x Phillips Slotted M4x5mm for mounting the radiator directly to the case 
- 6mm steel Allen (Hex) key
- 9mm steel Allen (Hex) key

Designed and Engineered in Slovenia
Made in China

EKWB EK-Quantum Surface X420M - White

SKU # AC68444 | Model # 268444

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