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The XPP large detector is 4Mpx and 25kHz.  From Vincent: Two multimode MPO 24 fiber bundles per megapixel (8 bundles total) to the MM to SM conversion box. This means 8x24=192 fibers (96 pairs) which is 2 full SM-MM conversion box. (Aside: The SparkPix scales similarly with the number of pixels, so it only needs 24 fibers (1x MPO 24)).

Schedule (Nov. 2023): The deployment date for the detector in XPP is aimed to match the delivery of the SC beam, i.e. in 2027. Conny mentioned that they are also going to do some epixUHR tests at 35kHz at MFX next year with you, and that he's pushing to get a 1M version of the EpixUHR as soon as possible.

For TXI (2Mpx 5kHz) based on the epixhremu study from ric/stefano/valerio/mikhail/mona it feels like there is a good chance we can do it on 20 nodes with CPU (each with ~50 cores).  The XPP detector has 10x that data volume, and scaling to 200 nodes feels too difficult (although technology improvements may reduce that number somewhat, perhaps by 2x?).

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