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Brilliant images, economical, compact Sigma DPxm cameras

Started May 1, 2016 | User reviews thread
Tom Schum
Tom Schum Forum Pro • Posts: 13,282
Re: Card Speed

Good basics, worth reading!

Here are a few specs for current products. Note the large variations in write speed:

B&H # SAUSD16GBA: Read 80mb/sec, write 10mb/sec, price $8.37. This is SanDisk 16GB Ultra UHS-I SDHC Memory Card (Class 10), MFR # SDSDUNC-016G-GN6IN

B&H # SAESD16GBC: Read 90mb/sec, write 40mb/sec, price $11.85. This is SanDisk 16GB Extreme UHS-I U3 SDHC Memory Card (Class 10), MFR # SDSDXNE-016G-GNCIN

B&H # SAEPSDU16GB: Read 95mb/sec, write 90mb/sec, price $16.50. This is SanDisk 16GB Extreme Pro UHS-I SDHC U1 Memory Card (Class 10), MFR # SDSDXP-016G-A46

B&H # EYSDMP16GB: Read 13mb/sec, write 23mb/sec, price $69.95. This is Eyefi 16GB Mobi Pro SDHC Wi-Fi Memory Card (Class 10)

I've had very good results using a card equivalent to the one in the $12 price range: enough write speed to make a positive difference. My particular Sandisk Extreme "60MB/s" 16GB SDHC I card is no longer available but I believe the write speed is about 40mb/s. I bought 8 of these last summer and I use them in all my newer cameras. If I were buying SD cards again I would probably go for the B&H # SAEPSD16GBP, waterproof, 60mb/s write speed, $39.95 for a two-pack.

Of course these might not work in the older Sigmas such as the classic DP2.

Interesting discovery I made is that they are also really fast for storage of regular data, using the SD card slot you will find in a lot of laptops these days. And, they are flat and easily lost in your pocket or kept in your wallet, unlike a regular USB stick.

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Tom Schum
Celebrate mediocrity (in moderation)

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