We are currently unable to ship orders from WA State through April 9th due to a government-mandated shutdown for COVID-19. Orders shipping from Koolance Korea, manufacturing, and development are unaffected during this period.

We will continue to answer email. Backorders can still be placed through our website, which will be shipped once restrictions are lifted. (Payment is required for backorders later when they are being prepared.)



MB-ASR4E Water Block (ASUS Rampage IV Extreme Motherboard)

Part No. MB-ASR4E This product is archived and displayed for information only. It is no longer available for purchase. Released: 22 November 2011

The MB-ASR4E water block is designed exclusively for the ASUS Rampage IV Extreme motherboard (not included). It includes two custom water blocks for the primary chipset and VRM. Materials are copper with anti-corrosive nickel plating, and an acetal body. G 1/4 BSPP fitting threading.

Weight 1.25 lb (0.57 kg)
Materials Nickel-Plated Copper, Nickel-Plated Brass, POM Acetal, Stainless Steel, EPDM

Liquid Coolants

Koolance's product warranty does not cover the use of 3rd-party coolants, coolant additives, or corrosion. Koolance LIQ-702 or LIQ-705 coolants are strongly recommended to help avoid issues with mixed metals or biological growth. Additionally, do not use aluminum with bare (unplated) copper or bare (unplated) brass in the same system. Do not use silver with nickel in the same system.