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CES 2025 | Asus refreshes ROG XG Mobile with Nvidia GeForce RTX 5090 as first Thunderbolt 5 eGPU

Asus has finally done away with its proprietary XG Mobile connector. (Image source: Asus)
Asus has finally done away with its proprietary XG Mobile connector. (Image source: Asus)
Asus has overhauled the ROG XG Mobile for its latest release. Now based around Thunderbolt 5 with 80 Gbit/s bandwidth, the 2025 ROG XG Mobile also packs DisplayPort 2.1 connectivity and an Nvidia GeForce RTX 5090 GPU within a sub-1 kg package.

Asus has brought a slew of new Republic of Gamers (ROG) hardware to this year's Consumer Electronics Show (CES), including several next-generation gaming laptops. Buried among today's announcements is also a new ROG XG Mobile, which arguably represents a complete overhaul of the product line.

Specifically, the 2025 ROG XG Mobile does away with Asus' proprietary XG Mobile connector, which is present in the original ROG Ally (curr. $444.99 on Amazon) but not the newer ROG Ally X. Instead, the new ROG XG Mobile uses Thunderbolt 5 for up to 80 Gbit/s transfer speeds. Added to that, the 2025 ROG XG Mobile supports Thunderbolt 4 and USB4 connectivity for use with many modern gaming handhelds and laptops of all persuasions.

(Image source: Asus)
(Image source: Asus)

Additionally, Asus has equipped its latest external GPU (eGPU) with Nvidia's new GeForce RTX 5090 laptop GPU. As a result, the 2025 ROG XG Mobile is a non-upgradeable solution, unlike some of its contemporaries. Still, the inclusion of DisplayPort 2.1 and HDMI 2.1 connectivity should go a long way to futureproofing the device. On top of that, Asus has equipped its latest ROG XG Mobile with an SD Card reader and a pair of USB 3.2 Gen2 Type-A ports, as well as a 5 Gigabit Ethernet port.

Furthermore, the new ROG XG Mobile is almost 20% smaller than its predecessor while also weighing less than 1 kg. Nonetheless, Asus boasts that the former runs 3 dB quieter than the latter. Unfortunately, it remains to be seen when the 2025 ROG XG Mobile will be available to order, let alone for how much.

(Image source: Asus)
(Image source: Asus)

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 01 > Asus refreshes ROG XG Mobile with Nvidia GeForce RTX 5090 as first Thunderbolt 5 eGPU
Alex Alderson, 2025-01- 7 (Update: 2025-02-19)