The SDSQXGN-064G-GN6MN is listed as a SanDisk Extreme Go 64GB microSD card, offering higher advertised read and write speeds than the 32GB Extreme Go model you provided earlier.
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Product specifications
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Model: SDSQXGN-064G-GN6MN
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Brand: SanDisk
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Series: Extreme Go
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Capacity: 64GB
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Format: microSDXC, as supplied
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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: 170 MB/s
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Maximum write speed: 80 MB/s
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Warranty: Limited lifetime, as stated in your description; regional terms may vary.
Extreme Go: 32GB vs. 64GB
| Specification | 32GB | 64GB |
|---|---|---|
| Model | SDSQXGN-032G-GN6MN | SDSQXGN-064G-GN6MN |
| Read speed | 100 MB/s | 170 MB/s |
| Write speed | 60 MB/s | 80 MB/s |
| Video class | V30 | V30 |
| UHS speed class | U3 | U3 |
| Application class | A2 | A2 |
| Warranty stated | Limited lifetime | Limited lifetime |
Key takeaway: The 64GB model doubles storage capacity and has higher advertised read and write speeds.
Compatibility note: A 64GB card is normally microSDXC, so verify that your device supports microSDXC. Also, the advertised maximum speeds may require a compatible reader or host device.