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- #Apple solid state hard drive problem professional
They can just stick the data anywhere without “thinking” about it. New SSDs perform better than used ones because their controller chips don’t have to move existing data around to accommodate new data writes. The SSS PTS method requires that drives first be “conditioned” prior to testing, meaning data is written to the SSD until its performance levels out.
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The Blackmagic benchmarking software recorded a maximum read rate of 456 MBps and a write rate of 241 MBps using 4KB blocks. Copying the 327 jpeg images took 15 seconds. Opening a 10MB Power Point presentation took 2 seconds. However, the Word document took 57 seconds to load all 372 pages, so you couldn’t access the later pages until it had finished loading. Microsoft Word opened in about 2 seconds, which would allow a user to begin writing to the top of a document, or reading it, regardless of its size.
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However, because SSDs will perform better right out of the box than after they’ve been filled with data, I decided to also send the SSD to a professional drive testing service, Calypso Systems, which benchmarks drives for drive vendors and system manufacturers.
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The SSD was actually tested on two separate platforms: First, I ran the tests described above using my MacBook Pro with an SATA 3.0 internal drive interface. While capacity affects SSD performance, it really doesn’t affect hard drive performance-at least, not until the drive is filled.)Īccording to the specifications from the manufacturer, the Intel 520 Series SSD had the best performance potential of all three drives I tested. (When requesting test units, I asked the companies for their highest-capacity review models. A 500GB version of Momentus sells for as little as $90. I also checked out a hybrid drive: Seagate’s Momentus XT Solid State Hybrid Drive (750GB $195 to $324), which includes a 7200-rpm 2.5-inch drive with a SATA 6Gbps interface. I tested an SSD and a popular, well-performing consumer hard drive to see how they rate for performance, cost, and general usability: the Intel Solid-State Drive 520 Series (240GB capacity $275 to $415) and Western Digital’s 500GB WD Black (previously called the Scorpio Black), a 7200-rpm 2.5-inch hard disk drive with 16MB of DRAM ($112 to $262). SSDs are natively more resilient than hard drives, particularly when it comes to mobile applications. This means no mechanics to break, even when a machine is jostled or dropped.
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One thing hasn’t changed, though: While they may never beat out hard drives in price, SSDs will always have one major advantage: No moving parts. These days, you can pick up a 7200-rpm, 1TB laptop hard drive for a little more than $100.) (Of course, hard drive prices have also plummeted. This isn’t unexpected in January 2012, research firm IDC predicted that prices of SSDs would tumble this year. For example, Crucial in July announced its new low-cost v4 SSD that costs $100 for a 128GB model and $190 for a 256GB model.
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Today, however, SSDs cost close to one-third of what they did in 2009-in many cases, less than $1 per gigabyte.