SanDisk SDHC Ultra II 8GB Memory Card £19.29 at Argos was £34.29 Play Price £30.99 - HotUKDeals
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Minimum write speed 9MB per second, read speed 10MB per second.

Compatible with all SDHC host devices.

User selectable mechanical write-protect switch.

Stores approximately 1,116 images in standard resolution with a 5 million pixel camera.

Stores images, MP3 files and other data.

Not backwards compatible with legacy SD format host devices.
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PraxxtorCruel Avatar
7y, 4m agoFound 7 years, 4 months ago

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15.99 delivered at 7dayshop if you don't mind waiting 5-6 working days for delivery

Dispatched from and sold by digizouk
I got mine from 7dayshop, but that's not a bad price for instant gratification...
Can someone explain to me how the SDHC Class ratings work with regard to these Sandisk Ultra II card?
Sandisk explain:
The SDA speed class rating was developed to identify minimum data transfer and latency requirements for a host application, and is generally related to the emerging application of uninterrupted real-time video capture (from camcorders and cell phones) with an appropriately rated SD card. By contrast, SanDisk's own performance specifications apply to sequential write and read operations in non-real-time applications such as file transfers between a card and a computer or in digital cameras between the camera’s buffer and the card.

This explains how Sandisk claim 9MB/s minimum write and 10MB/s minimum read.

But how can the same cards be sold with both Class 2 and Class 4 ratings and still claim the same 9MB/s and 10MB/s? - I'd have thought if some were worse at real-time than others that would also affect their sequential speeds.... :thinking:

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