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News Archive for Friday April 23, 2010 Goto Current News Page
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| Photos show Apple CTO 512GB SSD is Toshiba H2 model |
A reader (thanks Bradley) sent links to photos of the 512GB SSD (option) in the new MacBook Pros (here and here) which shows it's made by Toshiba and the part number ID's it as an H2 series. Here's the Toshiba H2 series SSD Product Brief (PDF) that lists the 512GB model as well as 256, 128 and 64GB. That doc lists 220MB/sec read speeds and 180MB/sec write speeds.
Bradley also included a link to a PC site Review of the 256GB Toshiba H2 SSD notes it uses Toshiba's own controller (T6UG1XBG) and does support Trim. (GC wasn't mentioned in that paragraph.) That review also notes (based on a teardown) that the 2nd gen Kingston SSDNow V+ Series SSDs (SNV325-S2) may be sourced from Toshiba also. (See below for a reader's comments on that SSD. Performance is much improved over the first gen Kingston Value series SSDs.)
BTW: If anyone knows if the 128GB and 256GB Apple CTO SSDs are also Toshiba H2's, let me know. (Apple's contract apparently has the mfr firmware changed to list as an Apple SSD, as noted in the post earlier this week from a 2010 MBP owner's 128GB SSD.)
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| MacBook Pro owner's notes/benchmarks on new Kingston SSDNow V+ 256GB |
| From a reader mail (reply to yesterday's posts on SSDs/benchmarks)
"My Kingston SSDNow V+ 256GB (newer 325 version) results
Just installed this the other day. Happy with it. It's a well balanced drive, if not the fastest, but Kingston has a good reputation. I have 2 other SSDs from them that haven't failed like so many other brands tend to.
This is a 2.2GHz. Santa Rosa MacBook Pro (3,1).
Apple System Profiler doesn't show the "TRIM support" line (Ref: A post earlier this week on the 2010 MacBook Pros and SSDs page where a new 13in MacBook Pro owner's ASP info listed that after he swapped in an Intel SSD.-Mike) nor does it classify it as an SSD.
-Mike K.
System Info:
Xbench Version 1.3
System Version 10.6.3 (10D573)
Physical RAM 4096 MB
Model MacBookPro3,1
Drive Type Kingston SNVP325S2256GB
Disk Test 211.47
Sequential 140.63
Uncached Write 181.25 - 111.29 MB/sec [4K blocks]
Uncached Write 169.45 - 95.87 MB/sec [256K blocks]
Uncached Read 79.31 - 23.21 MB/sec [4K blocks]
Uncached Read 226.43 - 113.80 MB/sec [256K blocks]
Random 426.08
Uncached Write 269.00 - 28.48 MB/sec [4K blocks]
Uncached Write 313.36 - 100.32 MB/sec [256K blocks]
Uncached Read 1541.40 - 10.92 MB/sec [4K blocks]
Uncached Read 546.31 - 101.37 MB/sec [256K blocks]"
FYI - Mike K. later said he paid $719 for the SSD, in a retail box version that included a USB 2 enclosure, 3.5-2.5in conversion brackets, cables and Acronis True Image for pc. (I've used Acronis Image Home 2009 boot CD many times to clone PC HDs for drive upgrades, backups, etc. I keep hoping a future version will support GUID/GPT disks, but even the 2010 version doesn't.)
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| iStat Menus v3.0 |
I missed this yesterday but iStat Menus v3.0 is out. See the version history for changes/new features.
BTW - I had used v2.0 (free) last December (comparing to Temperature Monitor after my initial tests of 2009 Mac Pro high wattage/cpu temp ramp-up w/audio (or Firewire xfers)), but later removed it. As I noted in that article (as a FYI) - iStat Menus v2's reported "CPU temperature" for the 2009 Mac Pros was actually the heatsink temperature. I'd written them about that back then and their reply sounded like this would be changed in the future to report at least the CPU Diode temp (if not the cores). I've not tried v3.0 yet to know if that was done, but it's not mentioned in the changes for 3.0.
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