ASUS ROG Huracan G21

Compact gaming desktop with a unique magnetically-secured side cover

ASUS ROG Huracan G21 has a unique magnetically-secured side cover that sets it apart from other gaming desktops. This foldable side cover can be opened to improve airflow into the system, enable a CPU and GPU performance boost, and activate Aura lighting effects. The extra airflow provides the cooling needed for its high-performance components, so gamers can play the latest games at their most extreme settings.

ASUS ROG Huracan G21
ASUS ROG Huracan G21

Open up for more performance

Opening the patented magnetically-secured side cover increases airflow into the system for better cooling, and triggers internal sensors to boost CPU and GPU performance by 11% and 8% respectively. The sensors also activate the integrated Aura lighting effects.

ASUS ROG Huracan G21
Inside of the ASUS ROG Huracan G21


To ensure the very best gaming performance, ASUS ROG Huracan G21 is powered by up to the latest 8th Generation Intel Core i7 processor with up to 32GB of DDR4 2666MHz memory, and NVIDIA GeForce GTX 1080 graphics. It can be specified with up to a 512GB M.2 NVMe PCIe® 3.0 x4 SSD and a 2TB HDD; a 2TB HDD with Intel Optane Memory technology is also available. Intel Optane enables SSD-like performance from a large HDD, accelerating overall system performance and improving responsiveness to a blazing-fast computing experience.

Easy-upgrade design

The compact 13-liter chassis of ASUS ROG Huracan G21 incorporate elements inspired by cyber-warrior and cyberpunk themes, resulting in an aggressive, angular design with sharp creases to symbolize a warrior’s battle scars. Sliding side panels make it easy to maintain and upgrade key components, allowing gamers to upgrade to faster and larger capacity storage drives, graphics card, and memory to keep ASUS ROG Huracan G21 up to date. In addition, Huracan has a hot-swap 2.5-inch SSD bay that allows the user to take out and replace the drive in seconds.

ASUS ROG Huracan G21
Easy to upgrade

Synchronized Aura Sync lighting

Customizable Aura lighting effects let gamers match the look and feel of ASUS ROG Huracan G21 to the game currently being played, while Aura Sync technology lets them sync light effects with Aura Sync supported gaming mice, headsets, keyboards, monitors, and other peripherals to create a gaming setup with a consistent look and feel. Aura Sync provides up to nine preset lighting modes to choose from. 

Incredibly immersive sound

A built-in ESS® Sabre DAC and amplifier provides incredible 32-bit /384kHz audio and a sample rate that’s 8X greater than CD quality, for richer and more detailed audio experiences. It provides low frequency sounds at louder volumes, and more detail on the higher end of the audio spectrum. It also offers a greater dynamic range (DNR) for richer and less distorted audio, as well as a higher signal-to-noise ratio (SNR) to get rid of the annoying noise.


ASUS ROG Huracan G21
Back of the ASUS ROG Huracan G21


Processor8th Gen Intel® Core™ i5-8400
8th Gen Intel® Core™ i7-8700
Operating systemWindows 10
Graphics cardNVIDIA® GeForce® GTX 1080 8GD5X (with 2 x HDMI, 1 x DVI, 2 x DisplayPort)
NVIDIA® GeForce® GTX 1070 8GD5 (with 2 x HDMI, 1 x DVI, 2 x DisplayPort)
NVIDIA® GeForce® GTX 1060 6GD5 (with 2 x HDMI, 1 x DVI, 2 x DisplayPort)
Storage1 x 2.5” hot-swap bay for SATA SSD (SSD not supplied)
1 x 128GB / 256GB / 512GB M.2 SATA / PCIe® SSD
1 x 1TB / 2TB 3.5” HDD (with optional Intel Optane™ Memory)
Optical drive1 x DVD RW (Slim)
1 x 2-in-1 audio port (with ESS DAC and amplifier)
1 x USB 3.1 Gen 1 Type-C™
2 x USB 3.1 Gen 2 Type-A

1 x 3-in-1 audio jack
1 x S/PDIF
1 x RJ45 LAN
2 x USB 3.1 Gen 2 Type-A
4 x USB 3.1 Gen 1 Type-A
2 x DC input jack
1 x Kensington lock
OtherAura Sync lighting
Power supply1 x 180W and 1 x 230W adapters (only for GTX 1080-equipped models)
2 x 180W adapters

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