Cooler Master

Cooler Master i70C CPU Air Cooling System for Intel LGA 1700 Sockets

Name: Cooler Master i70C CPU Air Cooling System for Intel LGA 1700 Sockets - 70mm Low-Profile, Aluminium & Copper Heatsink, Quiet 120mm PWM Fan (37.08 CFM
Brand: Cooler Master
SKU: B0B9C82TG9

Bottom line: The Cooler Master i70C CPU Air Cooling System for Intel LGA 1700 Sockets: Just 70mm tall—fits mini-ITX and SFF builds; main trade-off: LGA 1700 only—no AMD or older Intel sockets.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Just 70mm tall—fits mini-ITX and SFF builds
✓ Quiet 120mm PWM fan tops out at 28 dBA
✓ 37.08 CFM airflow over a copper cold plate
✓ ARGB syncs to Aura, RGB Fusion, Mystic Light

Cons

✗ LGA 1700 only—no AMD or older Intel sockets
✗ 70mm heatsink caps high-TDP overclock headroom
✗ Fan ramps to 1800 RPM under full load
✗ Low 1.33 mmH2O static pressure vs tower coolers

Manufacturer description

The Cooler Master i70C is a low-profile CPU air cooler with a compact heatsink, designed specifically for Intel LGA 1700 sockets. With its aluminium fins, copper cold plate and cross-shaped fin design, the heatsink delivers centralised air flow and reliable heat dissipation. The quiet 120mm PWM fan is fine-tuned for performance (37.08 CFM, 1.33mmH2O, 650-1800 RPM) and quiet operation (28 dBA).

SpecPicks Verdict

SpecPicks scored Cooler Master i70C CPU Air Cooling System for Intel LGA 1700 Sockets using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Cooler Master's retro cpu coolers & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro cpu coolers & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

COMPACT DESIGN - The Cooler Master i70C is a low-profile cooler with a height clearance of just 70mm, making it ideal for mini-ITX and small form factor (SFF) cases as well as slim tower PCs
ALUMINIUM FIN HEATSINK – The heatsink consists of a cross-shaped aluminium array and a copper cold plate with centralised airflow & excellent heat dissipation
120MM ARGB FAN – A 120mm PWM fan ensures extended lifespan (> 40 000 hours MTTF), ample airflow (37.08 CFM, 1.33 mmH2O), and low noise levels (max. 28 dBA)
ARGB LIGHTING - Fully-customisable LED colours & effects can be synced directly to ARGB-compatible motherboards (ASUS Aura Sync, GIGABYTE RGB Fusion, MSI Mystic Light Sync, ASRock RGB LED)
INTEL LGA 1700 COMPATIBILITY – The cooler is designed specifically for LGA 1700 compatibility

Full Specifications

Brand	Cooler Master
Model	RR-I7C7-18PA-R1
Voltage	12 volts
Wattage	1.44 watts
Material	Aluminium Copper
Unit Count	1 Count
Noise Level	28 db
Part Number	RR-I7C7-18PA-R1
Material Type	Aluminium Copper
Cooling Method	Thermal
Item Type Name	CPU cooler
Number of Items	1
Number of Packs	1
Air Flow Capacity	37.08 cfm
Compatible Devices	Desktop
Included Components	Fan
Power Connector Type	4-Pin
Maximum Rotational Speed	1800 rpm
Item Dimensions L x W x H	4.72"L x 4.72"W x 2.76"H
Full listing title	Cooler Master i70C CPU Air Cooling System for Intel LGA 1700 Sockets - 70mm Low-Profile, Aluminium & Copper Heatsink, Quiet 120mm PWM Fan (37.08 CFM, 1.33 mmH2O, 28 dBA, 650-1800 RPM), ARGB Compatible

Ready to buy?

Cooler Master i70C CPU Air Cooling System for Intel LGA 1700 Sockets - 70mm Low-Profile, Aluminium & Copper Heatsink, Quiet 120mm PWM Fan (37.08 CFM, 1.33 mmH2O, 28 dBA, 650-1800 RPM), ARGB Compatible is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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