The ASUS ROG XG Mobile is an external GPU designed by the company for ROG Flow Systems. It uses a proprietary connector which can’t be used by other products.
The XG Mobile interface uses PCIE Gen3 x8 connection with 63 GB/s dedicated bandwidth for the GPU itself, which makes it faster than Thunderbolt 4 (40GB/s) by 57%.
The 2021 model featured GeForce GTX 3080 graphics and had a maximum power delivery of up to 330W (integrated supply), despite the GPU requiring only 150W TGP. But that power may be used somewhere else due to the Dynamic Boost.
ASUS released a Radeon RX 6850M XT-based version a year later. The 2023 model which is the newest one features RTX 4090 GPU (AD103) with TGP at 150W. The model features 16GB of VRAM and also uses a 330W power unit.
The ASUS ROG XG Mobile 2023 version with RTX 4090 GPU debuts in China at $2,600. In comparison, the 2021 GeForce RTX 3080 dock is currently priced at around $1,499 and the 2022 Radeon RX 6850M XT costs $1,399, meaning the price of the 2023 model is 87% higher than last year’s.
The external GPU also serves as a docking station, featuring up to 2.5 Gbit Ethernet, an HDMI 2.1 port, DisplayPort 1.4 with GSYNC support and three USB 3.2 Gen2 (3x Type-A + 1x Type-C). The weight of the full dock is 1.3kg which is designed to be smaller than other external GPU options.
ASUS hasn’t announced any other XG Mobile unit with RTX 40 GPU, it is available now exclusively with the RTX 4090 GPU only. Other XG Mobile units with RTX 40 GPUs might be on the table but so far, ASUS has only confirmed the XG Mobile unit with RTX 4090.
The basic idea behind this product is to allow users of the ROG Flow systems to upgrade or replace external GPUs with RTX 40 series. The XG GPU is compatible with ROG Flow X13, X16 and Z13 systems.
About ASUS
ASUS or ASUSTek Computer Inc. is a Taiwanese computer and electronic hardware company, based out of Beitou, Taipei. They became a common name with their EEE PC and Zenfone series. They have recently introduced Zenbo, a smart hobot robot.
ASUS continues to be one of the best motherboard and gaming brand with their leading technology and design.
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