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Usually ready in 24 hoursThe SanDisk Ultra 64GB SDXC UHS-I Memory Card provides dependable storage and fast data transfer for compatible digital cameras, laptops, and other SDXC-enabled devices. With up to 140MB/s read speed, 64GB capacity, Class 10 and U1 performance, it is well suited for everyday photography and Full HD video recording.
Its compact full-size SD design makes it a practical storage upgrade for photographers and everyday users who need additional space for photos, videos, and other digital files while maintaining reliable SanDisk performance.
The 64GB capacity provides plenty of room for photographs, Full HD videos and other digital files. Actual usable capacity is slightly less than the stated capacity because manufacturers calculate storage using decimal units and some space is used for formatting.
The 64GB SanDisk Ultra is rated for up to 140MB/s read speed, allowing users to transfer stored files efficiently when used with compatible devices and readers. SanDisk notes that actual performance can vary depending on the host device, interface, usage conditions and other factors.
The card uses the UHS-I interface and is compatible with SDHC/SDXC and SDHC-I/SDXC-I devices that support the appropriate format. The actual speed achieved depends on the capabilities of the host device and card reader.
The SanDisk Ultra 64GB carries a Class 10 rating and UHS Speed Class 1 (U1) designation. U1 is designed for a minimum sustained write performance of 10MB/s in compatible UHS-enabled environments.
SanDisk positions the Ultra SD card for taking photos and recording Full HD video on compatible devices. Full HD recording performance can vary according to the camera, recording settings and other device factors.
The card is designed for compatible SDXC, SDXC-I and UHS-I-enabled devices, including many compact and mid-range point-and-shoot digital cameras and selected laptops. Always verify your device's supported card type and capacity before purchase.
With dimensions of approximately 31.92 × 23.91 × 2.17mm and a weight of around 2.1g, the card is easy to carry and designed for standard SD card slots.
| Specification | SanDisk Ultra 64GB |
|---|---|
| Brand | SanDisk |
| Product Series | Ultra |
| Capacity | 64GB |
| Card Type | SDXC |
| Form Factor | Full-Size SD |
| Interface | UHS-I |
| Read Speed | Up to 140MB/s |
| Write Speed | Lower than read speed |
| Speed Class | Class 10 |
| UHS Speed Class | U1 |
| Full HD Support | Yes |
| Compatibility | SDHC/SDXC & SDHC-I/SDXC-I devices |
| Model Number | SDSDUNB-064G-GN6IN |
| Dimensions | 31.92 × 23.91 × 2.17mm |
| Weight | Approx. 2.1g |
| Operating Temperature | -25°C to 85°C |
| Storage Temperature | -40°C to 85°C |
| Warranty | 10-Year Limited Warranty |
Specifications are based on SanDisk's official product page and product documentation.
| Feature | SanDisk Ultra 64GB | SanDisk Extreme 64GB |
|---|---|---|
| Capacity | 64GB | 64GB |
| Form Factor | SD | SD |
| Interface | UHS-I | UHS-I |
| Read Speed | Up to 140MB/s | Higher-performance class |
| Speed Class | Class 10 | U3 / V30 |
| Best For | Everyday photography & Full HD | Demanding photo/video workflows |
| Full HD Video | Yes | Yes |
| 4K Video | Depends on device | Better suited |
| Performance Level | Standard | High Performance |
The Ultra is a practical everyday card, while the Extreme range is designed for more demanding workloads where higher sustained write performance and V30/U3 specifications are required.
This memory card is suitable for:
This version has a 64GB storage capacity.
The 64GB model offers up to 140MB/s read speed under SanDisk's specified testing conditions.
Yes. The 64GB version is an SDXC memory card.
Yes. The card uses the UHS-I interface.
Yes. The card has a Class 10 speed rating.
Yes. The SanDisk Ultra 64GB is rated UHS Speed Class 1 (U1).
Yes. SanDisk specifically lists the Ultra SD card for photos and Full HD video on compatible devices.
Yes, if your DSLR supports compatible 64GB SDXC/UHS-I memory cards.
Yes, provided the laptop has a compatible SDXC card slot or you use a compatible SD card reader.
No. The 140MB/s figure is the rated read speed. SanDisk states that write speed is lower and actual performance varies according to the host device and usage conditions.
The standard UHS-I specification has a maximum bus rate of 104MB/s, but SanDisk uses proprietary technology to achieve rated speeds above that on compatible devices.
It depends on the camera's required sustained write performance. For demanding 4K recording, a card with an appropriate U3/V30 rating may be a better choice.
No. The memory card is sold as the card itself; a reader is not included unless specifically stated with a particular package.
SanDisk lists a 10-year limited warranty for this product in its current specifications. Warranty terms can vary by region.
The SanDisk Ultra 64GB SDXC UHS-I 140MB/s is a good choice if you need dependable storage for everyday photography, Full HD video and general file storage. Its 140MB/s maximum read speed is particularly useful when transferring files to a compatible computer or card reader.
For professional cameras, high-bitrate 4K recording, or demanding continuous shooting, check your camera's minimum write-speed requirement before purchasing. A U3/V30-rated card may be more suitable for those workloads.
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