Prograde Dual SD card reader/ Sony G sdxc II partial incompatibility.

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wes mallard Regular Member • Posts: 203
Prograde Dual SD card reader/ Sony G sdxc II partial incompatibility.

This Prograde card reader transfers files from my 64g Sony G sdxc II card at approximately 90 mb/s. The card is rated at 300 mb/s and performs near that speed in my Sony card reader.

All other sdxc II cards I own perform at or near their rated speeds in the Prograde reader, even my Sony M class card rated at 260 mb/s.

I tested the Prograde reader with Sandisk 64g 280mb/s card, the Prograde V60 250mb/s card, the Sony M 64g R:260mb/s, and the Sony G 64g R:300mb/s.

The Sony G sdxc II cards are my favorite cards so since their performance is crippled in the Prograde reader I'll be returning the Prograde reader and relying on my Sony sdxc II reader the reads all my cards near rated speeds. The Sony reader is much smaller and plugs directly into the USB port unlike the Progade reader which requires a cable, thus making the Sony reader more convenient for me.

Regards,

Wes

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