Memory Card Database / ARRI ARRI ALEXA Classic The following compatible memory cards, data rates, and recording time information has been extracted from the ARRI ALEXA Classic website and/or camera manual. All information is subject to change, and all data rates and recording times are approximate values. Bit rates and recording times will vary depending on the content being captured. ARRI ALEXA Classic Compatible Memory Cards The following table shows all compatible memory cards for the ARRI ALEXA CLASSIC camera. Make Type Size GB Notes Sony SxS Pro 64 SBP-64A – Discontinued Pro+ 64 SBP-64B – Discontinued SBP-64C – Discontinued SBP-64D – Discontinued 128 SBP-128B – Discontinued SBP-128C – Discontinued SBP-128D – Discontinued No Longer Supported Make Type Size GB Notes Sony SxS PRO 8 SBP-8A – Discontinnued 16 SBP-16A – Discontinnued 32 SBP-32A – Discontinnued ARRI ALEXA Data Rates and Approximate Recording Times The following table shows the approximate recording times of the ARRI ALEXA CLASSIC camera using various recording formats, memory card types and memory card sizes. Codec Resolution Output Resolution Bit Depth Frame Rates fps Recording Time at 24fps [hh:mm:ss] CFast 128GB CFast 64GB ProRes 422 16:9 HD 1920 x 1080 10 0.75 – 120 02:02:07 01:04:32 422 HQ 01:21:35 00:43:06 4444 12 0.75 – 60 00:54:27 00:28:45 422 2K 2048 x 1152 10 0.75 – 60 01:46:56 00:56:30 422 HQ 01:11:25 00:37:43 4444 12 00:47:39 00:25:09 422 4:3 2K 2048 x 1536 10 0.75 – 48 01:20:19 00:42:25 422 HQ 00:53:36 00:28:18 4444 12 00:35:44 00:18:51 Notes*¹ 4:3 sensor mode is only available in the following ALEXA Classic cameras: ALEXA Plus 4:3, ALEXA M and ALEXA Studio*² The remaining time indicated by the camera is always calculated based on the theoretical maximum data rate, not the target data rate, to be on the safe side. ARRI Formats and Data Rate Calculator