CPU COOLING · VERIFIED EXACT AIO MODEL
Arctic
Liquid Freezer III Pro 240 — ACFRE00178A
The thick-radiator 240 mm reference in this group. Its value is cooling surface and integrated VRM airflow, but exact case and motherboard clearance decide whether it belongs in the build.

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VERIFIED MANUFACTURER AIO SHEET
Exact-model dimensions, control and limits
Confirmed facts
- SKU: ACFRE00178A
- Type: AIO liquid · non-RGB
- Socket support: AMD AM5/AM4 · Intel LGA1851/LGA1700; older Intel sockets require the separate mounting kit
- Radiator class: 240 mm
- Radiator dimensions: 277 × 120 × 38 mm aluminum
- Installed envelope: At least 63 mm total installation clearance
- Fans: 2 × P12 Pro · 120 mm · 600–3000 rpm · 77 CFM · 6.9 mmH₂O
- Pump: 800–2800 rpm PWM
- VRM fan: Integrated · 400–2500 rpm PWM
- Tubes: 450 mm reinforced EPDM
- Cold plate: Copper · micro-skived fins
- Controller / hub: No hub · all-in-one or individual PWM control cables
- Included: MX-6 thermal compound · Intel contact frame · AMD/Intel mounting hardware
- Warranty: 6 years
- Clearance warning: A 240 mm case label does not prove fit; verify 63 mm stack clearance and M.2_1 heatsink compatibility
Compatibility to confirm
Confirm ACFRE00178A, P12 Pro fans, at least 63 mm installed clearance and the ARCTIC motherboard/M.2_1 compatibility list. A 240 mm case label alone is insufficient.
A case limited to a conventional thin 240 mm stack, a motherboard with an unresolved M.2_1 heatsink conflict, or an older Intel socket without the separate kit.
Other useful details
Additional checks
- Validate the complete radiator, fan, cable and hub envelope rather than the 240/280 mm class alone.
FAQ
Questions before buying this model
Who is the Arctic Liquid Freezer III Pro 240 — ACFRE00178A best for?
A performance-focused 240 mm build with measured room for a 38 mm radiator, 25 mm fans and the integrated VRM fan, without RGB.
Who should compare another option?
A case limited to a conventional thin 240 mm stack, a motherboard with an unresolved M.2_1 heatsink conflict, or an older Intel socket without the separate kit.
What should you compare before choosing?
The thick-radiator 240 mm reference in this group. Its value is cooling surface and integrated VRM airflow, but exact case and motherboard clearance decide whether it belongs in the build.
What must be verified before buying?
Confirm ACFRE00178A, P12 Pro fans, at least 63 mm installed clearance and the ARCTIC motherboard/M.2_1 compatibility list. A 240 mm case label alone is insufficient.
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