Lexar Professional 633x SDXC Memory Card - 64 GB
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Product Information
Full details
This guide is for photographers and videographers using DSLRs, advanced camcorders, or 3D cameras. The Lexar Professional 633x SDXC UHS-I card offers high-speed performance to quickly capture and transfer high-quality photos and HD video. A potential limitation is the UHS-I speed class, which may not fully utilize the fastest devices designed for UHS-II or higher. Key features include a 64GB capacity, Class 10, U3, and V30 ratings, and up to 95MB/s read speeds.
All features
| Series | Professional 633x |
|---|---|
| Model Part Number | LSD64GCB1EU633 |
| Brand | Lexar |
Extended Product Information
FAQs
What is the difference between UHS-I, UHS-II, and UHS-III?
UHS (Ultra High Speed) bus interfaces offer faster data transfer rates. UHS-I is the slowest of the three, typically offering speeds up to 104 MB/s. UHS-II offers significantly higher speeds (up to 312 MB/s) using an additional row of pins, and UHS-III is even faster (up to 624 MB/s). The Lexar Professional 633x uses UHS-I.
What does the V30 rating mean?
The V30 rating indicates that the card can sustain a minimum write speed of 30MB/s, which is crucial for recording high-resolution video formats like 4K without interruption or dropped frames.
Can I use this 64GB SDXC card in a device that only supports SDHC?
No, SDXC cards are not backward compatible with devices that *only* support SDHC. You need a device that specifically supports SDXC or has a universal SD card slot. If a device only supports SDHC (max 32GB), it will not recognize an SDXC card.
How do I format the Lexar Professional 633x SDXC card?
You can format the card using your camera, camcorder, or computer. It is recommended to format the card in the device where it will be primarily used for optimal compatibility. Warning: Formatting will erase all data on the card.
What is the write speed of this card?
The Lexar Professional 633x SDXC UHS-I card has a write speed of up to 20 MB/s.
Does this card support 4K video recording?
Yes, with its V30 rating, this card is suitable for recording 4K video, provided your recording device can sustain the necessary write speeds. The UHS-I interface ensures adequate data throughput for most 4K recording scenarios.
Troubleshooting
Card not recognized by device
Ensure the card is properly inserted. Try cleaning the gold contacts. Test the card in a different device or card reader to rule out a device issue. If it's an SDXC card, verify your device supports SDXC.
Data cannot be written to the card
Check if the write-protection switch on the side of the card is in the locked position. Ensure the card is not full. Format the card using the device it will be used in (note: formatting erases all data).
Slow read/write speeds
Ensure you are using a UHS-I compatible card reader and device. Transfer speeds can be affected by the host device's capabilities. Close other applications running in the background that might be using system resources.
Files are corrupted or missing
Stop using the card immediately to prevent further damage. Use the included Lexar Image Rescue software or other reputable data recovery tools to attempt file recovery. Consider reformatting the card after data recovery.
Pros and Cons
Pros
- High read speeds (up to 95MB/s) for quick file transfers.
- Supports demanding video recording formats (1080p Full-HD, 3D, 4K) due to U3 and V30 ratings.
- Included Image Rescue software provides a safety net for lost data.
- Generous 64GB capacity for substantial content capture.
- Reliable performance for DSLRs and advanced camcorders.
Cons
- Limited to UHS-I speed class, which is slower than UHS-II or III standards for the latest devices.
- Write speed (20MB/s) may be a bottleneck for very high continuous burst shooting modes on some professional cameras.
- Older devices not supporting SDXC may not be compatible.
Setup, Compatibility & Care
Setup: Simply insert the Lexar Professional 633x SDXC card into the SD card slot of your compatible device (DSLR, camcorder, computer with card reader). The card is ready to use out of the box and does not require any special software installation for basic operation.
Compatibility: This is an SDXC card, compatible with devices featuring an SDXC or SDXC UHS-I slot. It is backward compatible with SDHC devices, but will operate at SDHC speeds, and may not support capacities over 32GB on older SDHC-only devices. Check your device's manual for specific SDXC compatibility.
Care:
- Avoid exposing the card to extreme temperatures (refer to operating and storage temperature specifications).
- Keep the card dry and away from direct sunlight.
- Do not bend or apply excessive force to the card.
- Clean the gold contacts gently with a dry, lint-free cloth if necessary. Do not use liquids or abrasive cleaners.
- Safely eject the card from your device before removing it to prevent data corruption.