SpaceX Disclosed Starlink Gen3 Satellite Specifications

The new satellite architecture features massive power capacity and onboard edge computing hardware.

Updated on Oct. 4, 2026 in Data Centers

Isometric editorial illustration of a modular satellite hardware array with solar panels against a neutral background. — SpaceX unveiled technical specifications for its Gen3 satellite architecture, featuring increased power payload and edge computing hardware for direct-to-device connectivity. AI Illustration. Upload story photo >

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Do you believe direct-to-device satellite 5G connectivity will improve your personal internet access?

SpaceX has unveiled the technical specifications for its Gen3 satellite architecture, which features a 250 kW power payload and 10 Tbps bidirectional data capacity. The system incorporates advanced onboard edge computing hardware to support direct-to-device cellular connectivity.

Why it matters

The high power scaling addresses critical link-budget constraints, allowing satellite signals to penetrate building structures more effectively. This advancement supports the company's long-term goal of providing seamless direct-to-device cellular connectivity.

The Gen3 satellite utilizes Nvidia Vera Rubin NVL72 hardware for edge computing, enabling orbital digital beamforming. The architecture supports a current bidirectional capacity of 10 Tbps with a roadmap to scale beyond 100 Tbps per unit.

The players

SpaceX

The aerospace manufacturer and space transportation company provides satellite internet services through its Starlink constellation.

Nvidia

The technology corporation designs graphics processing units and hardware for artificial intelligence and edge computing applications.

The details

The platform requires the significant payload capacity of the Starship launch vehicle for orbital deployment. By leveraging AWS-4 and H-Block mid-band spectrum licenses, the architecture facilitates 50MHz blocks dedicated to 5G service.

SpaceX established dedicated 50MHz spectrum blocks in Q2 2026.
Technical specifications for the Gen3 system were disclosed on October 1, 2026.

The Tech Race

This development represents a generational shift in orbital infrastructure, moving from standard communications relays to high-power edge computing platforms. By exceeding the power output of the International Space Station, SpaceX positions its hardware to supersede legacy satellite capabilities.

Users can expect improved cellular reception inside buildings as the new hardware overcomes existing link-budget constraints. The deployment of this technology aims to expand high-speed mobile connectivity to areas previously difficult to reach with standard signals.

The takeaway

The leap to 250 kW per satellite signals a new era of orbital computing that mirrors terrestrial data center capabilities. Consumers should anticipate broader 5G coverage and more reliable connectivity as these high-capacity platforms reach orbit.