The SDSQXCU-064G-GS6MA is listed as a SanDisk Extreme PRO 64GB microSDXC memory card, with V30 video performance and A2 application-class support.
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Product specifications
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Model: SDSQXCU-064G-GS6MA
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Brand: SanDisk
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Series: Extreme PRO
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Capacity: 64GB
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Format: microSDXC
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Interface: UHS-I
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Video speed class: V30
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Speed classes: U3, Class 10
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Application class: A2
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Maximum read speed: 200 MB/s
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Maximum write speed: 90 MB/s
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Warranty: Limited lifetime, as stated in your description; regional terms may vary.
Extreme PRO comparison
| Capacity | Model | Read speed | Write speed | App class |
|---|---|---|---|---|
| 32GB | SDSQXCG-032G-GN6MA | 100 MB/s | 90 MB/s | A1 |
| 32GB | SDSQXCO-032G-GS6MA | 100 MB/s | 90 MB/s | A2 |
| 64GB | SDSQXCU-064G-GS6MA | 200 MB/s | 90 MB/s | A2 |
Key takeaway: The 64GB model doubles the storage of the 32GB models and advertises twice their read speed, while maintaining the same maximum write speed.
The 200 MB/s read speed may require a compatible SanDisk reader or host device. For continuous video recording, the V30 rating is useful, but check the camera's compatibility and the card's endurance specifications as well.