Memory Card Database / ARRI Compatible Memory Cards, SSD’s & Recording Data Rates & Recording Times

ARRI ALEXA SXT

The following compatible memory cards, data rates, and recording time information has been extracted from the ARRI ALEXA SXT 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 SXT Compatible Memory Cards

The following table shows all compatible memory cards for the ARRI ALEXA SXT camera.

Make Type Size GB Notes
Sony SxS Pro+ 128 SBP-128 E SxS to SXR adapter
K2.0006338
256 SBP-256 D, E
CODEX  SXR Capture Drive CDX-37019 1 TB SXR Capture Drive Docks require the Codex Production Suite to read SXR Capture Drives.
Requires the SXR Capture Drive Adapter (KB.0008429)
CDX-37021 2 TB

Discontinued

Make Type Size GB Notes
Sony SxS Pro 64 SBP-64A SxS to SXR adapter
K2.0006338
Pro+ 64 SBP-64B
SBP-64C
SBP-64D
128 SBP-128B
SBP-128C
SBP-128D
Lexar CFast
2.0		 3600x 256 Requires SUP 2.0 or later.
Requires the CFast 2.0 Adapter 2 (KB.0006337)
SanDisk CFast cards are not supported.
CODEX  XR Capture Drive CDX-3730 512 XR Capture Drive Docks require the Codex Production Suite to read XR Capture Drives.
Requires the  XR Capture Drive adapter (K2.0008430)

Notes
As of 14ᵗʰ June 2019 ARRI no longer recommend the use of the Lexar 26GB CFast x3600 card.

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ARRI ALEXA SXT Data Rates and Approximate Recording Times

The following table shows the approximate recording times of the ARRI ALEXA SXT camera using various recording formats, memory card types and memory card sizes.

Codec Resolution Bit
Depth		 Frame Rates
fps (With CODEX 2TB Drive)		 Recording Time at 24fps [hh:mm:ss]
CODEX SXR Drive 2TB CODEX XR Drive 512GB SxS Pro+
256GB		 CFast
256GB
ProRes 422 16:9 HD 1920 x 1080 10 0.75 – 120 16:08:44 04:02:15 04:24:35 04:18:24
422 HQ 10:45:49 02:41:30 02:56:23 02:52:16
4444 12 07:10:33 01:47:40 01:57:35 01:54:50
4444 XQ 04:47:02 01:11:46 01:18:23 01:16:33
422 2K 2048 x 1152 10 0.75 – 120 14:07:39 03:31:58 03:51:31 03:46:06
422 HQ 09:25:06 02:21:19 02:34:20 02:30:44
4444 12 06:16:44 01:34:12 01:42:53 01:40:29
4444 XQ 04:11:09 01:02:48 01:08:35 01:06:59
422 3.2K 3200 x 1800 10 0.75 – 72 05:47:00 01:26:46 01:34:46 01:32:33
422 HQ 03:51:30 00:57:53 01:03:13 01:01:45
4444 12 02:34:15 00:38:34 00:42:08 00:41:08
4444 XQ 01:42:52 00:25:43 – 00:27:26
422 4K
UHD		 3840 x 2160 10 0.75 – 50 04:01:06 01:00:17 01:05:51 01:04:18
422 HQ 02:40:39 00:40:10 00:43:52 00:42:51
4444 12 01:47:08 00:26:47 – 00:28:34
4444 XQ 01:11:26 00:17:51 – 00:19:03
ARRIRAW 2.8K 2880 x 1620 12 0.75 – 120 03:09:57 00:47:30 – –
3.2K 3168 x 1782 02:37:04 00:39:16 – –
ProRes 422 6:5 2K
Anamorphic		 2048 x 858 10 0.75 – 96 18:58:06 04:44:36 05:10:51 05:03:35
422 HQ 12:36:58 03:09:18 03:26:45 03:21:55
4444 12 08:25:26 02:06:23 02:18:03 02:14:49
4444 XQ 05:36:57 01:24:15 01:32:02 01:29:52
422 4K Cine
Anamorphic		 4096 x 1716 10 0.75 – 60 04:44:31 01:11:09 01:17:42 01:15:53
422 HQ 03:09:41 00:47:26 00:51:48 00:50:35
4444 12 02:06:27 00:31:37 00:34:32 00:33:34
4444 XQ 01:24:16 00:21:04 – 00:22:28
ARRIRAW 2.6K 2592 x 2160⁴ 12 0.75 – 96 02:38:22 00:39:36 – –
ProRes 422 4:3 2.8K 2880 x 2160 10 0.75 – 60 05:21:38 01:20:26 01:27:51 01:25:47
422 HQ 03:34:25 00:53:37 00:58:34 00:57:11
4444 12 02:22:53 00:35:43 00:39:01 00:38:06
4444 XQ 01:35:13 00:23:48 – 00:25:24
ARRIRAW 2.8K 2880 x 2160 12 0.75 – 96 02:22:34 00:35:39 – –
ProRes 422 Open
Gate		 3.4K 3424 x 2202 10 0.75 – 60 04:26:21 01:06:36 01:12:45 01:11:03
422 HQ 02:57:40 00:44:25 00:48:31 00:47:23
4444 12 01:58:26 00:29:37 00:32:21 00:31:35
4444 XQ 01:18:57 00:19:44 – 00:21:03
422 4K
Cine		 4096 x 2636 10 0.75 – 48 03:05:09 00:46:18 00:50:34 00:49:23
422 HQ 02:03:28 00:30:52 00:33:34 00:32:56
4444 12 01:22:19 00:20:35 – 00:21:57
4444 XQ 00:54:52 00:13:43 – 00:14:38
ARRIRAW 3.4K 3424 x 2202 12 0.75 – 90 01:57:40 00:29:25 – –

Notes:
*¹ ProRes is a variable bit rate codec. While it is usually close to the target data rate, the actual data rate can vary with image content.
*² The ALEXA ProRes target data rate is the Apple target data rate plus metadata and other overhead.
*³ 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.
*⁴ The recording resolution is 2592 x 2160, although 2578 x 2160 pixel are used for image content. 14 pixels on the left and right of the recorded image do not belong to the image content and are stated as that in the metadata.

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