Sony
Sony Alpha a6400 compact mirrorless camera black with 16-50mm and 55-210mm lenses 32GB
$830.99
0.00997695BTC
In stock
SanDisk
SanDisk SDSDUNR-128G-GN6IN CYU 128GB SDXC memory card
A full-size SDXC card holding 128GB with Class 10 speed and up to 100MB/s read performance
- TypeSecure Digital Extended Capacity (SDXC)
- Card typeFull Size SD
- Capacity128GB
- Speed Class RatingClass 10
- 128 GB capacity stores thousands of photos and videos
- Class 10 rating guarantees minimum 10 MB/s sustained write speed
- UHS-I interface delivers up to 100 MB/s read performance
- Full-size SD form factor fits standard camera and laptop slots
- Built-in write-protect switch prevents accidental data loss
Capacity and card type
This SanDisk SDXC card provides 128GB of storage in the full-size SD form factor. It is suited for photographers and videographers who need reliable capacity for high-resolution images and Full HD video. The Class 10 rating guarantees a minimum sustained write speed of 10MB/s for continuous recording. It fits any device with a standard SDXC slot.
Thermals and power draw
Solid-state construction means there are no moving parts to generate heat or noise during operation. The card draws minimal power from the host device, helping to conserve battery life in cameras and camcorders. A mechanical write-protect switch on the casing prevents accidental data loss without requiring software intervention. Normal use stays cool and silent.
Sustained load behaviour
The UHS-I U1 interface supports read speeds up to 100MB/s for fast offloading of large files to a computer. Class 10 performance is maintained during extended bursts of stills or lengthy video clips without speed drops. Non-volatile memory retains data safely when the card is removed or the device loses power. It handles prolonged write sessions reliably.
Highlights
- 128 GB capacity stores thousands of photos and videos
- Class 10 rating guarantees minimum 10 MB/s sustained write speed
- UHS-I interface delivers up to 100 MB/s read performance
- Full-size SD form factor fits standard camera and laptop slots
- Built-in write-protect switch prevents accidental data loss
Specifications
| Brand | SanDisk |
|---|---|
| Type | Secure Digital Extended Capacity (SDXC) |
| Card type | Full Size SD |
| Capacity | 128GB |
| Speed Class Rating | Class 10 |
Questions about this item
How do I insert this 128GB SDXC card and which way does the write-protect switch need to face?
Slide the card label-side up into the full-size SD slot until it clicks; the write-protect switch on the left edge must stay toward the contacts or the card will be read-only.
What part of this Class 10 UHS-I card wears out first and when should I plan to replace it?
The NAND flash cells degrade with each erase cycle; replace the card if write speeds drop noticeably or if files become unreadable after heavy use.
At what sustained write speed will this 100MB/s-rated card hit its limit during long video recording?
The U1 rating guarantees a minimum 10MB/s sequential write, so extended 4K or high-bitrate streams may stall once that floor is reached.
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