![]() ![]() In my testing, reading data FROM the SD card is about three times faster. It is likely that you did your testing by writing a large amount of data TO the SD card. My Mac mini, which is actually not that new (released in 2011), has a high speed SD card slot.Īlso, there is a significant difference in speed between reading and writing. Therefore, the bottleneck may be the Mac’s interface, not the SDXC card. The “high-speed” SD card slots on more recent Macs are faster. SD card slots on older Macs are slower I believe they use the USB bus. Since I don’t use my SD card slot (on back of my Mac mini) for anything else, I just leave it in there. It becomes a super- “Recovery HD” for maintenance and emergency boot. Provides accurate user experience for testing the beta.Īfter beta testing is over, you can put a standard install on it, along with any third-party disk utilities (like TechTool Pro) you may have. ![]() Faster than booting from USB (2.0) or FireWire. Not as fast as an internal SSD, but on par with an internal hard drive. Run the OS X installer and select it as the target just like any volume. Use Mac OS Extended (Journaled) as Format. Click Options button and select GUID Partition Table. Re-initialize it for Mac using Partition tab in Disk Utility. 32GB gets a bit tight on space, if you want to test throughly. I’ve recently seen 64GB SDXC cards for about $30. ![]() If your Mac has a high-speed SD card slot, like my Mac mini, a better solution is to use an SDXC card that is at least 32GB. ![]()
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