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MSI Gaming Desktop PC MAG Infinite S3


- The Infinite S3 uses the 11th Generation Intel Core i7-11700 processor paired with its NVIDIA Geforce GTX 3070 for high-end performance.
- Exquisite design including new front panel design and see-through side panel.
- The latest Wi-Fi 6E delivers stunning speed while keeping the network smooth and stable even when the network is shared among numerous users.

TAIPEI, TAIWAN, Aug. 25, 2021 — With its next-generation design, the MSI MAG Infinite S3 joins the elite ranks of the Infinite Series. This new gaming desktop is powered by Intel’s 11th Gen Rocket Lake CPUs which gives you a 19% performance boost compared to the previous generation. Unleash your gaming dominance with the RTX 3070 that delivers cutting-edge performance with ray-tracing graphics and DLSS AI acceleration functions. It has 2 DDR4 slots that support up to 64 GB of memory. The storage configuration comes with one M.2 2280 SSD and includes up to two 2.5” hard drives as well as one 3.5” HDD or SSD. Designed with gaming enthusiasts in mind, the Wi-Fi 6E network design provides the smoothest gameplay experience.

Unique Design

Designed with stylish buttons and sharp lines, the MAG Infinite S3 adds attractive visual expressions to its high performance. At its front panel, it has huge ventilation for massive air intake. The RGB lighting also creates a brilliant look. It features a tempered glass side panel that lets users showcase the interior of their gaming setup.

Unique Design

The Latest Connectivity

As for connectivity, the MAG Infinite S3 is equipped with the latest 802.11ax standard, which brings you up to 6x faster speed, and the latency is 75% lower compared to Wi-Fi 5. Wi-Fi 6E uses frequencies in the 2.4GHz and 5GHz bands and extends to the 6 GHz band. Higher performance and more efficient operation can empower users to achieve the ultimate gaming domination.

Mystic Light

The MAG Infinite S3 shines with mystic light, which offers customizable RGB. You can change the color and the lighting effects through MSI Mystic Light. With MSI Mystic Light, you can add style to your whole gaming setup to enjoy a truly immersive experience.

Mystic Light


Product availability varies by region. Please contact your local contact window for further information.



MAG Infinite S3
Up to Intel® Core™ i7-11700 Processor
Operating System
Windows 10 HOME
Intel® H510
Up to MSI GeForce RTX™ 3070
2x DDR4 3200MHz U-DIMMs, up to 64GB
1x M.2 2280 SSD (SATA/PCIeGen 3 x4 Combo)
2x 2.5” Drive bays
1x 3.5” Drive bays
WLAN: Intel® Dual Band Wireless - Wi-Fi 6E AX210
LAN: 1G (Intel I219V)
Bluetooth: Ver. 5.2
Optical device
Power supply
Modular 500W 80 Plus Bronze Certified PSU
446.97 x 173.8 x 407.17 mm(32 Liter)
Front I/O
1 x USB 3.2 Gen1 Type C
1 x USB 3.2 Gen1 Type A
1x Mic-in
1x Headphone-out
Rear I/O
4x USB 2.0 Type A
1x PS/2 Combo Port
1x VGA (D-sub)
1x HDMI out
2x USB 3.2 Gen 1 Type A
1x Display port out
1x RJ45 (1G LAN)
3x Audio jacks

For more information, please contact your local MSI contact window or visit