A restart message appears when inserting an XQD memory card on a computer upgraded to Mac OS X 10.6.8.
Mac OS X 10.6 Note: Mac OS X 10.6.8 is not recommended. In order to download and install this utility, you will need to temporarily change the Gatekeeper settings. Mac OS X 10.8 Note: This utility is incompatible with the Gatekeeper function of Mac OS X 10.8. This utility requires one of the following Mac OS® X operating systems:. Before beginning the procedure below, ensure that the XQD memory card is disconnected from the computer. Reader: Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader Benchmark: CrystalDiskMark 3.0.3 圆4 Program settings: 1000 MB, 5 passes, random test data Operating system: Windows 10 Pro Motherboard: Gigabyte GA-Z77X-UD3H Processor: Intel Core i7-3770K 4.40GHz RAM: 32GB DDR3 1600 Sony MRW-E90 XQD 2. Since the reader has no microSD slot, microSD cards were tested in an adapter, and UHS-II microSD cards were tested using a UHS-II SD to microSD adapter. Since it supports both XQD 2.0 and UHS-II SD cards, this reader is an excellent companion for cameras such as the Nikon D500 that use both card types. While UHS-I cards provide read speeds up to 93.5MB/s, just slightly below those of the fastest SD card readers. UHS-II cards provided up to 249.7 MB/s sequential read speeds. The highest read speed was with the updated Sony G-Series 440MB/s (read speed) card, which measured a 349.5 MB/s benchmark. Write speeds were somewhat limited compared with the speeds measured in XQD devices. The Sony MRW-E90 provides very fast speeds for reading XQD cards. Supported operating systems include Windows 7 (SP1), Windows 8, 8.1 and Windows 10, as well as Mac OS X 10.8, 10.9, 10.10 and 10.11. The reader tested is marked "Made in China." The Sony MRW-E90 has a 1 year warranty. There are no feet or pads on the bottom of the reader so it will slide around on a surface. Pressing it will release it about 1/4 inch. When a card is flush inserted it is nearly flush with the front of the reader. 
The reader measures about 4 x 2 x 1/2 inch There is a USB 3.0 Micro-B port on the back of the reader and a short 20-inch USB 3.0 cable is included.īoth XQD and SD card slots provide a push-to-eject function. The lights are rather dim and can be difficult to see. The card slots are recessed on the of the reader, each with its own red LED access light. The Sony reader case is made of grey plastic.
SD support includes standard SD, SDHC and SDXC including UHS-I and UHS-II. The Sony XQD 2.0 SD UHS-II Card Reader (MRW-E90) reads both XQD and SD cards. Sony MRW-E90 XQD 2.0 SD UHS-II Card Reader Review Introduction
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