Intel Core Ultra 200S · LGA1851 / 360 mm AIO liquid cooler
Does the Arctic Liquid Freezer III Pro 360 fit the Core Ultra 5 245K?
Yes. The Arctic Liquid Freezer III Pro 360 fits the Core Ultra 5 245K with 211 W of thermal headroom; we estimate 61 °C under sustained load and 46 °C while gaming, an excellent match.
Reviewed by Farrukh Sufyan SarwarHow we estimate temperaturesPublished Prices verified Model v1.2 · data updated
Full load
61°
Gaming
46°
Idle
31°
Excellent fit
Safe at 61 °C full load
39 °C below the 100 °C junction limit under a sustained all-core load.
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The Arctic Liquid Freezer III Pro 360 is an excellent match for the Core Ultra 5 245K, with 211 W of headroom above its 159 W boost ceiling. We estimate 46 °C in games and 61 °C under a full all-core render, leaving quiet-fan-curve room.
Thermal estimate
Both figures assume a 35 °C case-internal ambient and the cooler's sustained rating; the CPU's own junction limit caps the full-load figure.
| Load | Estimate |
|---|---|
| Idle | 31 °C |
| Gaming | 46 °C |
| Full load | 61 °C |
| Junction limit | 100 °C |
- 0–85 % comfortable
- 85–100 % fans ramp
- 100 %+ throttles
- Thermal headroom
- +211 W
- CPU boost / gaming draw
- 159 W / 90 W
- Cooler sustained rating
- 370 W
- Junction limit
- 100 °C
- Cooler height
- 63 mm
- RAM clearance
- Unrestricted
- Sockets in the box
- AM4 · AM5 · LGA1200 · LGA1700 · LGA1851
What the numbers mean for this build
- 01
211 W of sustained headroom
The Core Ultra 5 245K uses 43 % of the Arctic Liquid Freezer III Pro 360's rated capacity at its 159 W ceiling, which means the fans can run a relaxed curve and stay quiet even in Cinebench.
- 02
360 mm radiator placement
Mount the radiator with tubes at the bottom (front) or the pump below the top of the radiator (top mount) so air pockets collect away from the pump. Total stack is 63 mm with fans, so check top-mount clearance above the motherboard VRM heatsinks.
Will it physically fit?
Drag the sliders to your memory height and case limits. The schematic moves with you and shows where the Liquid Freezer III Pro 360 clashes.
Liquid coolers leave the DIMM slots clear.
- RAM heightFits
Liquid coolers leave the DIMM slots completely clear.
- Pump blockFits
Pump block height is negligible; only the radiator mount matters.
- Radiator mountFits
Case supports up to 360 mm radiators; 360 mm fits.
Overall Fits for the Liquid Freezer III Pro 360 with your inputs.
Schematic, not to product scale.
Buy it, or compare the alternatives
Three tiers picked for this exact CPU: the cheapest tower that passes, the quietest liquid option per dollar, and the best low-profile heatsink.
This pairing
$69.89as of Nov 2, 05:59 AM UTC · In Stock
(opens Amazon in a new tab)ArcticLiquid Freezer III Pro 360
360 mm AIO liquid cooler · 63 mm
370 W rated, 211 W headroom on the Core Ultra 5 245K.
Top air value
$29.99as of Nov 2, 05:59 AM UTC · In Stock
(opens Amazon in a new tab)ID-CoolingFROZN A620 Pro SE
Dual-tower air cooler · 157 mm
101 W of headroom; the best-value tower air cooler that passes on this CPU
Silent liquid pick
~$54
(opens Amazon in a new tab)ThermalrightFrozen Infinity 360
360 mm AIO liquid cooler · 52 mm
Estimated 63 °C under full load with quiet fan curves
Small-form-factor pick
$27.99as of Nov 2, 05:59 AM UTC · In Stock
(opens Amazon in a new tab)ThermalrightAXP120-X67
Low-profile air cooler · 67 mm
67 mm tall and still 99 °C at full load
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
Related reports
Other coolers on the Core Ultra 5 245K
- Thermalright Peerless Assassin 120 SEExcellent fit
- Thermalright Phantom Spirit 120 SEExcellent fit
- Noctua NH-D15Excellent fit
- Noctua NH-D15 G2Excellent fit
- Noctua NH-D12LExcellent fit
- be quiet! Dark Rock Pro 5Excellent fit
- Thermalright Assassin X 120 R SEExcellent fit
- Lian Li Galahad II Trinity 240Excellent fit
- Corsair Nautilus 360 RSExcellent fit
- Thermalright Burst Assassin 120Excellent fit
Arctic Liquid Freezer III Pro 360 on other CPUs
Terms used on this page
- Thermal headroom
- The cooler's sustained dissipation rating minus the CPU's boost power limit, in watts. Positive headroom lets fans run slower and quieter; 25 W or more is rated Excellent here.
- TjMax
- The maximum junction temperature the maker allows, typically 95–100 °C. AMD lists 90 °C for the Ryzen 7 5800X3D, 89 °C for the 7800X3D and 95 °C for the 9800X3D. At TjMax the CPU throttles clocks to stay in place; it will not overheat, but it will lose performance.
- PL1 / PL2
- Intel's two power limits. PL1 (Processor Base Power) is the sustained draw the CPU settles at; PL2 (Maximum Turbo Power) is the short-term boost ceiling. Many desktop boards run PL2 indefinitely, so a cooler must be sized for PL2, not PL1.
- Thermal throttling
- Automatic clock reduction when the CPU hits TjMax. A pairing is flagged as a throttling risk when the modelled full-load temperature reaches the junction limit or the cooler is rated 15 W or more below the CPU's boost power.
- RAM clearance
- The tallest memory module that fits under an air cooler's front fan in its stock position. Dual-tower coolers with less than 42 mm clash with tall RGB kits (typically 44 mm) unless the fan is raised.
- CPU cooler height
- The installed height of an air cooler from the motherboard, compared against the case's published CPU cooler clearance. Coolers at or above 160 mm exclude many compact Micro-ATX and tempered-glass mid-towers.
- AIO liquid cooler
- A sealed closed-loop liquid cooler with a pump block and a 120–420 mm radiator. Radiator length determines case compatibility; thickness plus fans determines top-mount clearance above the VRM heatsinks.
Frequently asked questions
Will the Arctic Liquid Freezer III Pro 360 keep the Core Ultra 5 245K from thermal throttling?
Yes. The estimated full-load temperature is 61 °C, 39 °C below the 100 °C throttle point.
What temperature should I expect while gaming on the Core Ultra 5 245K with this cooler?
Around 46 °C with a 35 °C case ambient, because GPU-bound games only draw about 90 W from the CPU package. Cooler rooms and better case airflow lower that figure.
What radiator mount does the Arctic Liquid Freezer III Pro 360 need?
A 360 mm mount in the top or front of the case, with about 63 mm of depth for the radiator and fans.
Is the Arctic Liquid Freezer III Pro 360 compatible with the LGA1851 socket?
Yes, LGA1851 hardware is included. Supported sockets: AM4, AM5, LGA1200, LGA1700, LGA1851.
Hubs: Core Ultra 5 245K · Arctic Liquid Freezer III Pro 360 · LGA1851