CPU Cooler Check

Intel Core Ultra 200S · LGA1851  /  Single-tower air cooler

Does the Cooler Master Hyper 212 Halo Black fit the Core Ultra 5 245K?

Yes. The Cooler Master Hyper 212 Halo Black fits the Core Ultra 5 245K with 1 W of thermal headroom; we estimate 95 °C under sustained load and 60 °C while gaming, an acceptable match with fans working hard.

Reviewed by Farrukh Sufyan SarwarHow we estimate temperaturesPublished Model v1.2 · data updated

Full load

95°

Gaming

60°

Idle

35°

Acceptable fit

Safe at 95 °C full load

5 °C below the 100 °C junction limit under a sustained all-core load.

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The Cooler Master Hyper 212 Halo Black handles the Core Ultra 5 245K with 1 W of headroom to spare. Expect roughly 60 °C while gaming and 95 °C in Cinebench-style loads, comfortably below the 100 °C limit but with the fans working hard.

01

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.

Estimated core temperature35 °C case ambient
Estimated CPU temperatures for Core Ultra 5 245K with Cooler Master Hyper 212 Halo Black20°40°60°80°100°TjMax 100 °CIdle: 35 °C35 °CIdleGaming: 60 °C60 °CGamingFull load: 95 °C95 °CFull load
Estimated temperatures
LoadEstimate
Idle35 °C
Gaming60 °C
Full load95 °C
Junction limit100 °C
0–85 % comfortable
85–100 % fans ramp
100 %+ throttles
Thermal headroom
+1 W
CPU boost / gaming draw
159 W / 90 W
Cooler sustained rating
160 W
Junction limit
100 °C
Cooler height
154 mm
RAM clearance
Unrestricted
Sockets in the box
AM4 · AM5 · LGA1200 · LGA1700 · LGA1851
02

What the numbers mean for this build

  • 01

    1 W of sustained headroom

    The Core Ultra 5 245K uses 99 % of the Cooler Master Hyper 212 Halo Black's rated capacity at its 159 W ceiling. Fans will ramp under all-core loads but temperatures stay controlled.

03

Will it physically fit?

Drag the sliders to your memory height and case limits. The schematic moves with you and shows where the Hyper 212 Halo Black clashes.

44 mm

This heatsink does not overhang the DIMM slots.

165 mm

Listed as “CPU cooler clearance” in the case spec sheet. This cooler is 154 mm tall.

  • RAM heightFits

    The heatsink does not overhang the DIMM slots, so any RAM height fits.

  • Cooler height vs caseFits (+11 mm)

    11 mm between the cooler and the side panel.

Overall Fits for the Hyper 212 Halo Black with your inputs.

MOTHERBOARDFANRAM 44 mmCASE LIMIT 165 mm154 mm

Schematic, not to product scale.

04

Better options for the Core Ultra 5 245K

Three tiers picked for this exact CPU: the cheapest tower that passes, the quietest liquid option per dollar, and the best low-profile heatsink.

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.

Cheapest upgrades with a better verdict: ID-Cooling FROZN A620 Pro SE ($29.99), Thermalright Assassin X 120 R SE ($17.49), Thermalright Burst Assassin 120 ($21.49), Thermalright Peerless Assassin 120 ($38.90), Arctic Freezer 36 ($22.49), Thermalright Peerless Assassin 120 SE ($32.69).

05

Related reports

Other coolers on the Core Ultra 5 245K

Cooler Master Hyper 212 Halo Black 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.
06

Frequently asked questions

Will the Cooler Master Hyper 212 Halo Black keep the Core Ultra 5 245K from thermal throttling?

Yes. The estimated full-load temperature is 95 °C, 5 °C below the 100 °C throttle point.

What temperature should I expect while gaming on the Core Ultra 5 245K with this cooler?

Around 60 °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.

Does the Cooler Master Hyper 212 Halo Black fit tall RGB RAM?

Yes. The heatsink does not overhang the memory slots, so any module height works.

Is the Cooler Master Hyper 212 Halo Black compatible with the LGA1851 socket?

Yes, LGA1851 hardware is included. Supported sockets: AM4, AM5, LGA1200, LGA1700, LGA1851.

Hubs: Core Ultra 5 245K · Cooler Master Hyper 212 Halo Black · LGA1851