Cooler Master Seidon 120XL CPU Cooler

Name: Cooler Master Seidon 120XL
Brand: Cooler Master
SKU: RL-S12X-24PK-R1
Rating: 4.2 (67 reviews)

Cooler Master Seidon 120XL

★★★★★

(67 reviews)

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Pre-filled with coolant at the factory then sealed and pressure tested, its closed loop design allows for a two year zero maintenance guarantee
Waterblock made with ultrafine micro channel to enlarge the contact surface between cold plate and coolant
Durable and powerful water pump dissipates heat effectively and maintains temperatures through stable water circulation
High performance 38mm thick radiator designed to handle high wattage overclocked CPUs
Double 120mm PWM fans with wide RPM ranges to fine tune and balance fan noise and performance
Compatible CPU Sockets - Intel LGA 2011, 1366, 1156, 1155, 1150, 775 and AMD FM1, FM2, AM3+, AM3, AM2+, AM2

Specifications Overview

Model	RL-S12X-24PK-R1
Supported Sockets	AM2 AM2+ AM3 AM3+ FM1 FM2 FM2+ LGA1150 LGA1151 LGA1155 LGA1156 LGA1366 LGA2011 LGA2011-3 LGA2066 LGA775
Liquid Cooler	Yes
Radiator Size	120 mm
Bearing Type	Unknown
Noise Level	19.0 - 40.0 dB
Fan RPM	600 - 2400 RPM

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C

Description

The Seidon 120XL is Cooler Master's latest, incredibly compact water cooling kit that aims to bring water cooling to the masses. It comes factory filled, sealed, and tested with a two year zero maintenance guarantee. The high performance 38mm thick radiator was designed to dissipate extreme heat from overclocked CPUs. Thanks to two 120mm PWM fans with wide RPM ranges, Seidon can operate silently, or unleash a powerful cooling storm at your command.

Expert reviews

Up for review today I have another CPU cooler, but this one liquid based. Cooler Master has sent over the Seidon 120XL all-in-one liquid cooling system which is a closed loop setup that requires virtually no maintenance from the end user besides blowing...

technogog.com

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I started this group labouring under the misapprehension that every liquid cooling system on the market is manufactured either by Asetek or CoolIT. With that in mind, it seemed likely that the Cooler Master Seidon 120XL was built around an Asetek water...

micromart.co.uk

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With the release of a whole new generation of CPUs from Intel, it's a great time to be upgrading – even if that upgrade isn't exactly as essential as we might have been hoping. And if you're thinking of upgrading, then it's a good time to be looking at a...

PC Authority

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