PGC NEWS

The increasing core count and power consumption of modern processors have rendered stock coolers insufficient for many systems. Even high-end CPUs like the AMD Ryzen 7 5800x and Intel’s 12th generation processors often no longer include a bundled cooler. This has led to the rise of All-in-One (AIO) liquid coolers as a convenient and effective cooling solution.

However, standard 240mm AIOs like the Corsair H100 RGB, and especially larger 360mm models like the Corsair H150 RGB, can be difficult to fit in smaller PC cases. For those with limited space, the compact Corsair H55 RGB AIO cooler, with its 120mm radiator, presents an ideal solution.

Compact Corsair H55 RGB AIO cooler

A Niche Solution for Compact Builds

120mm AIO coolers fill a specific niche for PC cases with limited radiator mounting options. Cases like the NZXT H510 Elite, for example, only offer a single 120mm fan mount without removing pre-installed fans. After initially releasing the H55 in 2013, Corsair seemingly abandoned this smaller form factor until recently reviving it with the updated Corsair H55 RGB.

This makes the H55 RGB the smallest and most affordable AIO cooler in Corsair’s current lineup. The packaging reflects this, using the standard yellow and black Corsair branding rather than the more elaborate designs seen with higher-end Elite Capellix AIOs.

Corsair H55 RGB packaging

Impressive Performance for its Size

The rear of the box highlights key specifications, most notably the inclusion of the SP120 RGB ELITE PWM fan. This fan boasts impressive performance for its size, offering high airflow (47.73 CFM) with low noise levels even at its maximum 1500 RPM. This surpasses many 120mm fans, including those bundled with mid-range AIOs like the ASUS ROG Strix LCII 360, and trails primarily behind high-speed magnetic levitation bearing fans.

The H55 RGB itself is simple in design, featuring a short 120mm radiator that accommodates a single fan.

Corsair H55 RGB radiator

Build Quality and Compatibility

The radiator features Corsair’s typical robust construction, with a reinforced frame and sturdy fins. While lacking the metal fittings found on higher-end models like the Corsair H170i Elite LCD Display, the H55 RGB utilizes durable plastic protection. The tubing is sleeved for added protection against cuts and kinks, and its relatively short length makes installation in tight spaces easier.

Corsair H55 RGB tubing

The CPU block utilizes Corsair’s signature square design with a full copper contact plate for optimal heat transfer. While less common than circular designs, the square shape maximizes contact with the CPU surface. The top of the block features the Corsair logo and 21 bright RGB LEDs, controllable through Corsair’s iCUE software for synchronized lighting effects.

Corsair H55 RGB CPU block

The H55 RGB supports a wide range of CPU sockets, including the less common LGA 1200. However, it lacks support for the latest LGA 1700 socket and AMD’s TR4 socket for Threadripper CPUs. Notably, ASUS Z690 motherboards retain LGA 1200 compatibility, offering a workaround for using the H55 RGB with newer Intel CPUs.

Cooling Performance and Noise Levels

Thanks to Asetek’s 7th generation pump and the high-performance SP120 RGB ELITE PWM fan, the H55 RGB delivers impressive cooling performance for its size. It rivals larger 240mm AIOs from other brands and outperforms competitors like the NZXT Kraken M22, even handling high-end CPUs like the AMD Ryzen 9 5900x, albeit with higher loads. Both the pump and fan operate quietly, even under stress.

Corsair H55 RGB installed

Conclusion

Despite its compact size and affordable price, the Corsair H55 RGB delivers surprisingly effective cooling performance and vibrant RGB lighting. While lacking support for the newest Intel CPU sockets, it remains a compelling option for budget-conscious builders looking for a powerful, compact, and stylish cooling solution. It’s also an excellent upgrade for existing systems constrained by case size.