|Hard Drive||256 GB|
XPG by ADATA SX900 256GB 2.5 Inch SATA III Excellent Read up to 560MB/s Solid State Drive (ASX900S3-256GM-C)
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- New Expanded Capacity SSD, 7% more drive space.
- SATA 6 GB/sec SandForce 2281 controller
- Sequential Read/Write is 555/530 MB/S
- Up to 85,000 IOPS
- Full Windows TRIM Support
- 2.5-Inch to 3.5-Inch Mounting Bracket Included
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Update: February 2014
Sent the drive to ADATA and they were very kind and helpful with replacing the unit as it was still covered under warranty. I must say they have very good customer service and always respond within 24/48hours on business days. However the return shipping which they were responsible for led to a lost shipment through USPS. Im still trying to resolve this with the company and I will update any progress. They have been less helpful from the point the shipment became lost but I am still trying to resolve it with them and I will certainly update this again if I get an SSD back from them like the one I sent.
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My read/write times (especially my write times) as measured by the 2 benchmark test shown below are somewhat confusing!!!
CrystalDiskMark: 512K : Read 385MB/s : Write 168MB/s
ATTO Benchmark: 512K : Read 515MB/s : Write 412MB/s
CrystalDiskMark benchmark shows much lower write times than the Atto benchmark --- Hmmm???
Thanks ... Charles
Seems that when I cloned from Hard Disk to the SSD, the process did not set the SSD Partition Alignment properly : this seems to be a common problem cloning from a HD to a new SSD but is never a problem when doing a Clean Install onto an SSD.
I used these steps (see link below) to check and to fix the SSD Partition Alignment and now my CrystalDiskMark write results are greatly improved:
CrystalDiskMark: 512K : Read 394MB/s : Write 335MB/s
ATTO Benchmark: 512K : Read 530MB/s : Write 451MB/s
Check out the LINK below --- it is really educational!!!
LINK - [...]
Running 10.8.5, my cold boot time went from 2min45sec to 0min45sec. After resetting the SMC for the computer (quick keyboard combo at reboot), the cold boot time dropped from 0min45sec to 0min22sec.
Feels like I have a brand new computer.
the laptop is blazing fast now.
it's a must upgrade to all laptops, once you tried it once, you're never going back to regular drives.
read speed 240MB/s, write 427MB/s on mac book pro i7, 2.9GHz & 8GB ram.
hope it helps.
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