Sandisk Ultra SDHC 4 GB Class 4 Flash Memory Card (SDSDH-4096) by SanDisk
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Digital camera reviews of Sandisk Ultra SDHC 4 GB Class 4 Flash Memory Card (SDSDH-4096)
Digital camera Review: Another SD format and one of the fastest
Summary: 5 Stars
SanDisk has so many versions out there, it is kind of confusing. This is a different Ultra II then the 2GB that were sold last year. This 4GB Ultra II is "SDHC" (Secure Digital High Capacity), which the 2GB was just an SD card. Regular SC cards are more compatible with most digital cameras and memory card readers. "SDHC" card are for the latest cameras and most DSLR, which can be read/write on SDHC card reader only or just the latest card reader.
Compatibility:
This does work fine with my DSLR Nikon D40. I could not get this new SDHC card to read on my 6 month old card Sony's Card reader nor my 2.5 years old Canon PowerShot SD400. But if you use the USB SDHC reader it worked fine and faster.
Performance
Maybe I got an OEM version, but it said it is a class 4 and 15mb/s. I ignore whatever speed SanDisk write, since I never get that performance. My old 2GB Ultra II said 10mb read/9mb write, but I only got like 6.5mb read/ 5mb write. This 4GB said 15mb, but I only get an average of 8mb read (copy) it peaked at 9mb once and is 6-7mb write. A class 4 has minimum of 4mb of write speed, which is true, this is more in line with a class 6. These information is shown on Window's Vista detail pop-up screen when you are copying or writing files.
Overall it is a great price and is one of the fastest performance I got from an SD card. I just had to upgrade for a SDHC card reader.
Digital camera Review: Awesome
Summary: 5 Stars
I bought these and they work perfect with my Nikon D80. I have never formatted them once and they work fine. I know photographers format all cards all the time before shoots, but I never have once and these are still going good. Never had one problem with them at all.Digital camera Review: Beware of older memory card readers when using "HC" cards...
Summary: 5 Stars
I love the SanDisk Ultra II series if media, however, if you've been using older generation memory card readers then you should know that these newer SD-HC format (secure digital high capacity) memory cards probably won't work in your older memory card reader. It is the "HC" format that causes the problem. I've only encountered this problem with SD cards starting at 4 GB and larger. The 2 GB and smaller cards aren't "HC" and thus still work fine in older card readers. Other media like compact flash, memory stick, etc. also still seem to work OK with older readers at all sizes.
A new card reader could set you back nearly thirty bucks so think carefully before buying SD-HC media.
Digital camera Review: Big and Fast
Summary: 5 Stars
For a memory card it's big and fast, just what I need for my Canon G8 camera. So far so good.Digital camera Review: Buy It!
Summary: 5 Stars
SanDisk makes a great product! This is the third SD card I've bought. Each one for a different camera. All work great! BUY THIS!!