
EKWB
EKWB (Edvard König Water Blocks) is a Slovenian company founded in 2003, widely considered the premier brand for custom liquid cooling components. EKWB designs and manufactures high‑quality water blocks, radiators, reservoirs, pumps, and fittings for PC enthusiasts who demand the best thermal performance and aesthetics.
EK products are known for their precision engineering and sleek designs. They collaborate with major hardware brands (ASUS, MSI, etc.) to create motherboard monoblocks and pre‑installed GPU water blocks. They have also expanded into AIO coolers (EK‑Nucleus) and gaming PCs (EK Fluid Gaming).
Frequently Asked Questions
Custom loop basics
What components do I need for a custom loop?
You need water blocks (CPU/GPU), a pump, a reservoir (often combined as a pump‑res combo), radiators, fans, fittings, tubing (soft or hard), and coolant.
What is the difference between Quantum and Classic lines?
Quantum is the premium line with advanced aesthetics (D‑RGB) and top performance. Classic is a streamlined, budget‑friendly line with a simpler look.
Cooling solutions
Does EKWB make AIO coolers?
Yes, the EK‑Nucleus AIO series offers high performance and style for users who want liquid cooling without building a custom loop.
What are Monoblocks?
A Monoblock is a single water block that cools both the CPU and the motherboard’s VRM (Voltage Regulator Module), designed specifically for certain motherboard models.
Maintenance and safety
How often should I change the coolant?
It is recommended to drain, flush, and refill the loop every 12 months, or sooner if using opaque/pastel coolants which may settle over time.
Does EKWB offer leak testing tools?
Yes, the EK‑Leak Tester is a popular air‑pressure tool to test your loop for leaks before filling it with water.