Customer Review

2 of 3 people found the following review helpful
5.0 out of 5 stars Great performance at a great price, 16 Dec 2012
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This review is from: SanDisk Extreme SSD 240 GB SATA 6.0 Gb-s 2.5-Inch Solid State Drive SDSSDX-240G-G25 (Personal Computers)
I got this drive for a mid-2010 Macbook pro for £121 from Amazon, to replace a one-year old 240GB OCZ Vertex 2, so that I could upgrade from Snow Leopard to Mountain Lion without problems (leaving the OCZ on the shelf until I'm sure all my required software really works with Mountain Lion). My upgrade process: use "Carbon Copy Cloner" to copy the old OS and data from the OCZ to the SanDisk, swap drives around, and leave the OCZ as an archive on the shelf. I upgraded the system (now on the SanDisk) to Mountain Lion, and once the upgrade was done I again used Carbon Copy Cloner to copy the system to a bootable 250GB 5400RPM Hitachi drive (for backup/further testing).

From a performance testing point of view, I now have identical systems (Mountain Lion) installed on the SanDisk SSD and the Hitachi HDD. No surprise how the performance stacks up, measured with XBench:

Results 241.83
System Info
Xbench Version 1.3
System Version 10.8.2 (12C60)
Physical RAM 4096 MB
Model MacBookPro5,1
Drive Type SanDisk SDSSDX240GG25
Disk Test 241.83
Sequential 150.37
Uncached Write 192.30 118.07 MB/sec [4K blocks]
Uncached Write 161.62 91.44 MB/sec [256K blocks]
Uncached Read 91.33 26.73 MB/sec [4K blocks]
Uncached Read 234.53 117.87 MB/sec [256K blocks]
Random 617.34
Uncached Write 836.30 88.53 MB/sec [4K blocks]
Uncached Write 307.16 98.33 MB/sec [256K blocks]
Uncached Read 2354.46 16.68 MB/sec [4K blocks]
Uncached Read 623.71 115.73 MB/sec [256K blocks]

Results 37.22
System Info
Xbench Version 1.3
System Version 10.8.2 (12C60)
Physical RAM 4096 MB
Model MacBookPro5,1
Drive Type FUJITSU MJA2250BH FFS G1
Disk Test 37.22
Sequential 73.24
Uncached Write 131.62 80.81 MB/sec [4K blocks]
Uncached Write 82.59 46.73 MB/sec [256K blocks]
Uncached Read 36.99 10.82 MB/sec [4K blocks]
Uncached Read 127.06 63.86 MB/sec [256K blocks]
Random 24.94
Uncached Write 8.43 0.89 MB/sec [4K blocks]
Uncached Write 61.52 19.69 MB/sec [256K blocks]
Uncached Read 61.31 0.43 MB/sec [4K blocks]
Uncached Read 109.40 20.30 MB/sec [256K blocks]

In comparison, my heavily-used one-year old OCZ Vertex 2 240GB drive (note that SSD performance normally falls with use, and the test was with an older OS so the comparison isn't totally exact):

Results 191.83
System Info
Xbench Version 1.3
System Version 10.6.8 (10K549)
Physical RAM 4096 MB
Model MacBookPro5,1
Drive Type OCZ-VERTEX2
Disk Test 191.83
Sequential 111.76
Uncached Write 214.41 131.64 MB/sec [4K blocks]
Uncached Write 173.46 98.14 MB/sec [256K blocks]
Uncached Read 45.03 13.18 MB/sec [4K blocks]
Uncached Read 316.83 159.24 MB/sec [256K blocks]
Random 676.51
Uncached Write 1177.97 124.70 MB/sec [4K blocks]
Uncached Write 314.49 100.68 MB/sec [256K blocks]
Uncached Read 1440.68 10.21 MB/sec [4K blocks]
Uncached Read 840.36 155.94 MB/sec [256K blocks]

To those who are worried about the durability of SSD drives, I have had two OCZ Vertex 2 drives (120GB and 240GB) running for 1-2 years in my Macbooks, and a 120GB Samsung running in my Dell laptop for a year, with no problems whatsoever. As a heavy user of Photoshop CS4/CS5, Lightroom, Visual Studio, XCode etc. SSD drives have become almost essential to me.
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