Alexa LF offers recording in ProRes and ARRIRAW format, achieving 150 fps. Use the new SXR Capture Drives. It continues to offer a native sensitivity of 800 ASA and a dynamic range of 14 stops, just like the rest of the Alexa range.
Regarding the specifications of the sensor, it offers us: LF OpenGate, LF 16: 9 and LF 2.39: 1 and resolutions up to 4.5K that we only get in Open Gate mode and LF 2.39: 1. Of course the lower resolution formats are also available.