Thermalright MC-3 Digital Black RAM Cooler

Thermalright MC-3 Digital Black is a clip-on desktop RAM cooler with three PWM fans, ARGB lighting and a digital display. It is designed for DDR through DDR5 memory, with temperature and memory-data monitoring through TRCC software.

At a glance

Three 40 mm PWM fans are specified at 4500 rpm ± 10%.
The display supports selectable colour modes, including temperature-controlled colour changes.
TRCC software is described as displaying temperature, speed, frequency and utilisation.
Clips attach to both sides of a memory module, with support for modules up to 55 mm high.

Price

€24.31Save 20%

Reference price: ~~€30.39~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

The clip-on design is intended for installation directly on the memory module, without a stated memory-generation restriction across DDR through DDR5.
USB connection to a motherboard 9-pin header supports the display and its memory-data monitoring.

Cons

Requires a motherboard 9-pin USB header for display power and communication, as well as a 4-pin PWM fan connection.

Technical specifications

18 specifications

Identity
Brand	TR-Thermalright
Model	MC-3 Digital Black

Dimensions and compatibility
Cooler dimensions	153 x 46 x 57.7 mm
Item dimensions	15.3L x 4.6W x 5.8H centimetres
Maximum memory height	55 mm
Compatible memory	DDR / DDR2 / DDR3 / DDR4 / DDR5
Platform compatibility	all desktop PC platforms

Fans
Fan model	TL-B4010
Fan count	Three
Fan dimensions	40 x 40 x 10 mm
Fan speed	4500 rpm ± 10%
Fan airflow	4.48 CFM x3
Static pressure	1.37 mm H₂O
Operating noise	≤16.9 dB(A)
Fan connector	4 pin PWM
Fan bearing	Dual ball bearing

Display and connections
Display power / communication	Motherboard 9-Pin USB
Display control software	TRCC

What to know before buying

The listing gives cooler dimensions as both 153 x 46 x 57.7 mm and 15.3L x 4.6W x 5.8H centimetres. These are not identical in stated height, so check case and component clearance against the selected listing.

What’s in the box

Included

RAM cooler

Who is it for?

A good fit for

Desktop PC builders seeking active airflow over memory modules.
Buyers wanting ARGB lighting and a display with TRCC monitoring, provided the motherboard has a 9-pin USB header.
Systems using DDR, DDR2, DDR3, DDR4 or DDR5 modules up to 55 mm high.

Less suited to

Builds without an available 9-pin USB header or 4-pin PWM connection.
Memory modules taller than 55 mm or systems where the cooler's listed dimensions do not fit.

Thermalright MC-3 Digital Black RAM Cooler · photo 2 — Additional product photo 2

Frequently asked questions

Which memory types does the MC-3 Digital Black support?

The listing names DDR, DDR2, DDR3, DDR4 and DDR5 memory, and says it fits modules up to 55 mm high.

What motherboard connections does it need?

The fans use a 4-pin PWM connector. The display uses a motherboard 9-pin USB header for power and communication.

What can the digital display monitor?

The listing says TRCC software can show temperature, speed, frequency and utilisation. It also describes selectable ARGB modes, including temperature-controlled colour changes.