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HPE supplied the Spaceborne Computer-3 payload that launched to the International Space Station in January 2024. It flew on a SpaceX Falcon 9 as part of a Northrop Grumman cargo mission contracted by NASA. The goal is to test whether commercial computing can process more research data in orbit, despite the errors and radiation risks of space—not to put a conventional Earth data center in space.
What is the Spaceborne Computer?
Spaceborne Computer is Hewlett Packard Enterprise’s (HPE) program to test commercial computer hardware in the space environment. The 2024 payload, called Spaceborne Computer-3 (SBC-3), was based on HPE Edgeline and ProLiant servers. HPE said the configuration carried more than 130 TB of flash-based storage, its largest storage amount sent to the station on a single mission. The company described the added capacity as supporting larger data sets and more applications, including work involving artificial intelligence and machine learning. These are HPE’s descriptions of the hardware and its aims, not independent confirmation that every capability was validated in orbit. HPE’s January 30, 2024 announcement identifies the payload and its stated goals.
Who supplied what?
- HPE: supplied the computing payload.
- SpaceX: provided the Falcon 9 rocket.
- Northrop Grumman: operated the commercial cargo mission.
- NASA: contracted the resupply mission and supports research aboard the ISS.
Calling it a computer “sent by SpaceX, NASA, and HPE” is a shorthand for those separate roles; it does not mean that all three built the computer.
Why process research data in orbit?
In the traditional workflow, experiment data are sent down to Earth for processing, and researchers receive the results later. That wait can limit how quickly investigators can adjust an experiment or decide what to do next. Processing data aboard the station can shorten the loop and may let researchers act while the experiment or hardware is still in orbit.
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| Workflow | Where data are processed | Practical consequence |
|---|---|---|
| Downlink, then process | On Earth after data are transmitted from the station | Results depend on downlink and ground processing before researchers can respond. |
| Process onboard | On the station | Some results can be returned sooner, potentially allowing researchers to iterate before an experiment or sample returns. |
The advantage is not that onboard processing removes communications needs: results still have to reach investigators. Rather, it can reduce the amount of raw data that must be sent first and shorten the path from measurement to useful result. NASA has also described the broader motivation: as missions travel farther from Earth, communication delays and reliance on Earth-based computing become harder to work around. The ISS demonstration is a test in low Earth orbit, not proof that deep-space missions’ communications problems are solved. NASA’s station report on the Spaceborne Computer experiment explains its testing goals, including onboard processing, AI, and ways to recover from or mitigate radiation-related errors.
What has the computer actually done?
A reported use case offers a concrete example of the shorter data-to-result loop. In 2022, the ISS National Laboratory said an experiment’s data were analyzed onboard using SBC-2 together with an IBM-created and managed edge solution. The resulting file reached NASA investigators within eight hours. That reported result involved both the HPE computer and IBM’s solution; it should not be attributed to HPE alone. The ISS National Laboratory’s account of the experiment describes the onboard analysis and return of its result.
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HPE’s program history says 24 research experiments were completed on station in 2022. The company lists applications including healthcare, image processing, natural-disaster recovery, 3D printing, and 5G. Those figures and examples describe HPE’s account of the program through 2022, not the result of the 2024 launch. HPE’s Spaceborne Computer program page provides that history.
What is being tested about computing in space?
Radiation from solar events and galactic cosmic rays can cause errors in electronic systems. SBC-2’s experiment goals included assessing commercial off-the-shelf computing and AI onboard, as well as approaches to recover from or mitigate radiation-associated errors. NASA’s description of SBC-2 gave an anticipated mission duration of 24 to 36 months in 2021. That estimate pertains to SBC-2 and should not be applied to SBC-3, which launched in 2024.
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HPE’s 2024 announcement framed SBC-3 as an effort to extend data-center-level processing and high-performance computing in space, with AI and machine learning among its intended applications. Testing commercial hardware in orbit can help reveal how it behaves under conditions that differ from a terrestrial data center; stated goals alone do not establish that all proposed workloads were completed successfully.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Is the 2024 Spaceborne Computer still operating?
The available public descriptions establish that SBC-3 launched in January 2024 and outline its configuration and aims, but they do not establish its operating status as of September 28, 2026. The 2021 mission-duration estimate for SBC-2 is not a current status update for SBC-3. Claims that the 2024 computer is still running, or that it has completed a particular amount of work, require a newer confirmation.
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