In the Lexar XR2 Reader it measured 344.2 MB/s read and 246.1 MB/s write. In the included USB Adapter the Sony G Series measured 347.2 MB/s read and 254.5 MB/s write using ATTO disk benchmark.
Read and write speeds were evaluated in various XQD card readers.
The 64GB card (QDG64A/J) is tested in this review. Sony G-Series XQD cards are available in 32, 64 and 128GB capacities. G-Series cards are supported by Nikon D4, D4S and D5 DSLR cameras in addition to Sony video cameras including FDR-AX1 Consumer Handycam 4K, PXW-Z100 Professional 4K Camcorder and PXW-FS7 XDCAM Super 35 4K / 2K / FS RAW Camcorder. Sony G-Series cards offer up to 400 MB/s read and 350 MB/s write speeds. The controller supports PCI Express Generation 2 as well as USB 3.0. Sony G-Series XQD cards feature a new XQD Format Version 2 interface for improved performance. Add back one one at a time to see if any conflict or even power supply issues.Sony G-Series XQD 2.0 Card 64GB Review Introduction At least this may rule out a driver issueĪlso try disconnecting any other unnecessary USB peripherals and see if that helps. Try uninstalling the drivers, reboot, and then try a fresh install and card reader connection.
My Sony XQD reader has never given me a problem. I have also removed the USB cable and re-inserted and it has worked, (but not always)Īnybody else had similar problems? I have always got it to work but almost never first up? When I insert the card into the card reader, blue light comes on, sometimes it flashes as well, but doesn't upload and is not showing as a drive on the iMac? I remove the card and re-enter and sometimes it will work, but at other times, I may have to try 2 or 3 times to get it to fire up? I'm new to the XQD scene, I have a Sony XQD card reader and have started with a 64GB Lexar pro 1100x XQD card,Ĭard appears to be working OK, have shot about 1000 images already without a problem, its when I try to upload, I'm having problems,
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