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post #841 of 3822
Thank you, and I noticed you had listed them as 60Gb, when they are actually 64Gb.

Also, you can change 'colorblind' to 'green', I must have clicked the wrong button, sorry.

Thanks again for all your work compiling these results.
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post #842 of 3822
Thread Starter 
Quote:
Originally Posted by Arctucas View Post
Thank you, and I noticed you had listed them as 60Gb, when they are actually 64Gb.

Also, you can change 'colorblind' to 'green', I must have clicked the wrong button, sorry.

Thanks again for all your work compiling these results.
colorblind is partially a joke but also I realised some people can't tell the difference between red and green...

The Micro Center drives are actually 60GB... advertised as 64 GB (but that's the amount of NAND,) the accessible space is 60GB, just like all the other Sandforce drives.

as a starter to define terms:
Gigabyte aka GB: 1,000,000,000 bytes
Gibibyte aka GiB: 1,073,741,824 bytes

Here are the various calculations (based on your screenshot)
AS SSD Benchmark Shows Gibibytes incorrectly labelled as "GB", (should be GiB... But Windows itself mislabels, so that's "normal")

Micro Center "64GB" drives (actually 60 GB accessible)
60 x 4 = 240 GB (decimal Gigabytes)
240 GB divided by 1.073 = 223.67 GiB (binary gigabytes)

if the SSDs were actually 64 GB:
64 x 4 = 256 GB (decimal)
256 GB / 1.073 = 238.58 GiB (binary gigabytes)

So.

Just to confuse you more I will describe some more interesting facts about the size of NAND-based SSDs

NAND is sold in Binary amounts, like RAM.
so a 64 GiB SSD is really 8 x 8 GiB NAND chips

HOWEVER, since HDDs have been sold in DECIMAL Gigabytes since the early 2000s, SSD manufacturers have taken advantage of that fact to use the extra space for over provisioning

So confusingly, your SSD contains:
64 GiB of NAND (so the box is not incorrect)
8.1 GiB of over provisioning (not accessible)
55.9 GiB of available space
or, 60 GB of available space (measured in HDD decimal Gigabytes)

Punished yet?

Just to confuse things, some Indilinx drives, and Crucial's RealSSD C300 drives have less overprovisioning so they have actual 64 GB of usable space (59.6 GiB)

To reduce confusion... (a little bit) I have standardised the spread sheet on Decimal Gigabyte size of the drives, which is usually the same as the advertised size...

Sadly, these two products so far have advertised the "NAND amount" not the available space:
- Micro Center G2 Series
- A-Data "64GB" S599 (weirdly their 120 and 240 units are advertised the same as other Sandforce units)
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Quicksilver 10
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post #843 of 3822


My 2 Micro Center 64GB(^60GB) G2 SSD Drives in Raid0 on ICH10R. In one thread it was mentioned that TRIM was not supported for SSD drives in Raid0 mode on the controller that I'm using. But after some digging I've confirmed TRIM is enabled in Win7 for my setup.

Question though, should I be using the Marvel Sata 6G controller for this array or should I stick with the Intel controller? Note, I have another Raid0 setup on the same controller for WD Blue 500GB drives. I'm also now a little concerned about my SSD drives being Micro Center drives being that SSD's as I am hearing often get firmware updates. Ughh.
post #844 of 3822
Thread Starter 
Quote:
Originally Posted by wholeeo View Post

My 2 Micro Center 64GB(^60GB) G2 SSD Drives in Raid0 on ICH10R. In one thread it was mentioned that TRIM was not supported for SSD drives in Raid0 mode on the controller that I'm using. But after some digging I've confirmed TRIM is enabled in Win7 for my setup.

Question though, should I be using the Marvel Sata 6G controller for this array or should I stick with the Intel controller? Note, I have another Raid0 setup on the same controller for WD Blue 500GB drives. I'm also now a little concerned about my SSD drives being Micro Center drives being that SSD's as I am hearing often get firmware updates. Ughh.
ICH10R is the best FakeRAID SATA controller, the Marvell is reportedly quite bad for RAID.

The TRIM command is issued, but won't reach the drives within the RAID array, it is always "enabled" on the Windows 7 level unless you manually disable it.
(Intel says: http://www.intel.com/support/chipset.../CS-031491.htm)

As far as firmware etc, you'll just have to "Just Enjoy It", I can't see Micro Center issuing updates unless they are forced to, or it solves some SERIOUS problems
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post #845 of 3822
Quote:
Originally Posted by TheDreadedGMan View Post
ICH10R is the best FakeRAID SATA controller, the Marvell is reportedly quite bad for RAID.

The TRIM command is issued, but won't reach the drives within the RAID array, it is always "enabled" on the Windows 7 level unless you manually disable it.
(Intel says: http://www.intel.com/support/chipset.../CS-031491.htm)

As far as firmware etc, you'll just have to "Just Enjoy It", I can't see Micro Center issuing updates unless they are forced to, or it solves some SERIOUS problems
.

Enjoy nothing! I just returned them. I'll stick to buying a real brand next go around with the space I need instead of doing a god damn raid,

Got to say though, there was really something about having them drives hidden behind my motherboard tray and side panel that I enjoyed.
Edited by wholeeo - 11/26/10 at 7:48pm
post #846 of 3822
Thread Starter 
Quote:
Originally Posted by wholeeo View Post
.

Enjoy nothing! I just returned them. I'll stick to buying a real brand next go around with the space I need instead of doing a god damn raid,

Got to say though, there was really something about having them drives hidden behind my motherboard tray and side panel that I enjoyed.
Yeah personally I would just use the 2 drives separately or buy a bigger one, I'm not the biggest RAID fan you could say.
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post #847 of 3822
If you guys have not already seen this then take a minute to go over and look at is as I am sure that you wont be disappointed that you did. I need a new case contest
Edited by lawrencendlw - 12/5/10 at 4:03pm
post #848 of 3822
here's my bench - on a M4A89GTD-PRO/USB3 - X4 965
post #849 of 3822
2 x ADATA S599 64GB SF-1222
RAID-0, 128k stripe
ICH9R RST 9.6.0.1014
As of this bench, the array has been in use for ~5 weeks and is ~77% full.

Edited by coelacanth - 12/5/10 at 3:04am
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post #850 of 3822
1x OCZ Vertex 2 120GB SF-1200
ICH10R RST 10.0.0.1046

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