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If you run SSDs on a Mac, I highly recommend OWC's Mercury Pro series: http://eshop.macsales.com/shop/internal_storage/Mercury_Extreme_SSD_Sandforce http://esho
by lukifer 16y ago
If you run SSDs on a Mac, I highly recommend OWC's Mercury Pro series: http://eshop.macsales.com/shop/internal_storage/Mercury_Extreme_SSD_Sandforce http://eshop.macsales.com/shop/internal_storage/Mercury_Extr...
Since OS X lacks TRIM support (arggh!), normal SSDs tend to degrade in performance over time. The OWC's are designed with a microcontroller to do the equivalent of TRIM behind the scenes, and they also happen to be fast as hell. I upgraded from a year-old 64g Kingston to a 120g OWC, and the speed boost was just as noticable as the original move from a spinny drive to SSD. (Down to a 22 second boot time on 3yo hardware!)
- pinko 16y agoI don't understand how you can do the equivalent of TRIM without filesystem support. Doesn't TRIM necessarily rely on knowing which blocks contain live data and which contain deleted data? I.e., something the hardware can't know?
- wmf 16y agoAn SSD can read the filesystem allocation bitmap, but that's a "rampant layering violation". Most people confuse trim with garbage collection, which proactively cleans out invalid data (creating more pre-erased blocks to speed future writes) and potentially defragments data (to speed future sequential reads).