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Thermaltake magfloe 420 ultra argb sync aio liquid CPU cooler 420mm 3x140mm swafan ex 3.95in lcd black

Product image: Thermaltake magfloe 420 ultra argb sync aio liquid CPU cooler 420mm 3x140mm swafan ex 3.95in lcd black-null
Product image: Thermaltake magfloe 420 ultra argb sync aio liquid CPU cooler 420mm 3x140mm swafan ex 3.95in lcd black-null
Product image: Thermaltake magfloe 420 ultra argb sync aio liquid CPU cooler 420mm 3x140mm swafan ex 3.95in lcd black-null
Product image: Thermaltake magfloe 420 ultra argb sync aio liquid CPU cooler 420mm 3x140mm swafan ex 3.95in lcd black-null
Product image: Thermaltake magfloe 420 ultra argb sync aio liquid CPU cooler 420mm 3x140mm swafan ex 3.95in lcd black-null
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Thermaltake magfloe 420 ultra argb sync aio liquid CPU cooler 420mm 3x140mm swafan ex 3.95in lcd black

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From: Singular Computers Systems LTD
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Description

Item No. bfe0e7d9-6963-4023-90cf-d32386a4d8b4
Thermaltake MAGFloe 420 Ultra ARGB Sync — Black 420mm AIO Liquid3x 140mm SWAFAN EX3.95" 480x480 LCD360W TDPIntel + AMD The Thermaltake MAGFloe 420 Ultra ARGB Sync (Black, part number CL-W451-PL14SW-A) is a 420mm all-in-one liquid CPU cooler built for high-TDP Intel and AMD systems, pairing three 140mm SWAFAN EX fans with a 3.95-inch 480x480 LCD set into the pump cap. Its large triple-140mm radiator gives flagship processors — such as Intel Core Ultra on LGA1851 or AMD Ryzen on AM5 — the surface

Attributes

Aoi Cooler Characteristics

  • Supported CPU Sockets: Socket 1700, Socket 1151, Socket 1200, Socket AM5, Socket AM4, Socket 1851

Details

Thermaltake MAGFloe 420 Ultra ARGB Sync — Black

420mm AIO Liquid3x 140mm SWAFAN EX3.95" 480x480 LCD360W TDPIntel +AMD

The Thermaltake MAGFloe 420 Ultra ARGB Sync (Black, part number CL-W451-PL14SW-A) is a 420mm all-in-one liquid CPU cooler built for high-TDP Intel andAMD systems, pairing three 140mm SWAFAN EX fans with a 3.95-inch 480x480 LCD set into the pump cap. Its large triple-140mm radiator gives flagship processors — such asIntel Core Ultra on LGA1851 orAMD Ryzen on AM5 — the surface area they need under sustained load, while the matte-black finish makes it a clean, stealthy centrepiece for a dark-themed build. Typically in stock with fast delivery across Cyprus.

Compatibility & fit
Sockets supported: Intel LGA 2066/2011-3/2011/1851/1700/1200/1156/1155/1151/1150 andAMD AM5/AM4/AM3+/AM3/AM2+/AM2/FM2/FM1. The radiator measures 456 x 139 x 27 mm (plus 25 mm fan thickness), so confirm your case is rated for a 420mm (3x140mm) radiator in the top or front before ordering. LCD content and ARGB effects are configured through Thermaltake TT RGB Plus software (Windows).

Best For

✓High-end Intel LGA1851 and LGA1700 processors
✓AMD Ryzen AM5 / AM4 flagship CPUs
✓Black / stealth-themed showcase builds
✓Users who want a customisable LCD pump display
✓Overclockers needing 360W-class cooling headroom
✓ARGB ecosystems with motherboard light sync

Key Features

 
420mm Triple-Radiator Cooling
A 456 x 139 x 27 mm aluminium radiator with three 140mm fans provides a large dissipation area rated for CPUs up to a 360W thermal load.
 
SWAFAN EX Swappable-Blade Fans
Three 140mm PWM fans spin 500-2000 RPM, moving 81.6 CFM at 3.17 mmH2O each. Blades are swappable/reversible for standard or reverse airflow to suit your case layout.
 
3.95" LCD + MAGForce 2.0 Pump
A 480x480 square TFT-LCD on the pump cap shows temperatures, clocks, GIFs or images, driven by a MAGForce 2.0 — magnetic-drive pump running 1500-3300 RPM for quiet, durable circulation.
 
ARGB Sync + Copper Cold Plate
Full addressable RGB syncs with major motherboard lighting ecosystems, while the thickened 20mm copper chamber and cold plate maximise heat transfer from the CPU IHS.

Technical Specifications

Identification
Part Number CL-W451-PL14SW-A
EAN / GTIN 4711475649552
MPN CL-W451-PL14SW-A
Brand Thermaltake
Series MAGFloe 420 Ultra ARGB Sync
Radiator & Cooling
Cooler Type 420mm All-in-One liquid cooler
Radiator Size 456 x 139 x 27 mm
Radiator Material Aluminium
Water Block Copper (20mm thick chamber)
Tubing 460 mm sleeved rubber
TDP Support 360 W
Fans
Fan Model 3x SWAFAN EX 140mm PWM
Fan Size 140 x 140 x 25 mm
Fan Speed 500-2000 RPM (PWM)
Airflow 81.6 CFM per fan
Static Pressure 3.17 mmH2O per fan
Noise Level 34.5 dB-A per fan (standard blade)
Pump & Display
Pump MAGForce 2.0 — magnetic-drive
Pump Speed 1500-3300 RPM (PWM)
Display 3.95" square TFT-LCD
Display Resolution 480 x 480 px
Lighting ARGB Sync (addressable)
Compatibility
Intel Sockets LGA 2066/2011-3/2011/1851/1700/1200/1156/1155/1151/1150
AMD Sockets AM5/AM4/AM3+/AM3/AM2+/AM2/FM2/FM1
General
Colour Black
Warranty 1-Year Warranty (Singular)

Frequently Asked Questions

Does the MAGFloe 420 Ultra fit Intel LGA1851 andAMD AM5 motherboards?
Yes. The bundled brackets cover modern Intel LGA1851/1700/1200/1151 andAMD AM5/AM4, plus a wide range of older sockets. Make sure your case is rated for a 420mm radiator before ordering.
What size case do I need for a 420mm radiator?
You need a chassis that supports a 420mm (3x140mm) radiator, usually in the top or front. The radiator is 456 x 139 x 27 mm; allow an extra 25 mm for fan thickness when checking clearance.
Is the 3.95-inch LCD customisable?
Yes. The 480x480 square TFT-LCD can display CPU temperatures, clock speeds, custom text, images or GIFs through Thermaltake TT RGB Plus software on Windows.
What is the difference between the Black and Snow editions?
They are identical coolers; only the colour differs. This is the Black edition (CL-W451-PL14SW-A); the Snow/White edition is CL-W452-PL14SW-A.
Singular Expert Insight
The MAGFloe 420 Ultra sits at the top of Thermaltake's liquid line, above the 360mm MAGFloe 360 and the LCD-less TH420 V2. Choose it when your case Genuinely fits a 420mm radiator and you want the extra surface area plus a large, customisable display — on smaller CPUs a 360mm unit is usually enough. A cooler this size belongs in a high-airflow build, so pair it with a strong unit from our PC power supplies range, and compare it with other models in our CPU coolers category.

Buyer's Guide

Buy it if
You run a high-TDP LGA1851/AM5 CPU, have a 420mm-capable case, and want a black LCD showpiece with 360W of cooling headroom.
Skip it if
Your case only takes 240/280/360mm radiators, or you have a mid-range CPU where a 420mm AIO and LCD are more than you need.
Also consider
The 360mm MAGFloe 360 Ultra for smaller cases, or a premium dual-tower air cooler if you prefer no pump at all.