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[Official] Samsung SSD750/830/840/850 Owners Club - Page 249

post #2481 of 5733
Quote:
Originally Posted by felix View Post

For those questioning about the preformance difference of 840 pro and non-pro in SATA II ( AMD chipset , emfphasize on reads, they're different capacities) :

Samsung 128GB 840 Pro :



Samsung 250GB 840 :




You can see the differences....

You're on SATA II aren't you? My 840 120 scores higher than your pro.
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post #2482 of 5733
Quote:
Originally Posted by Liranan View Post

Quote:
Originally Posted by felix View Post

For those questioning about the preformance difference of 840 pro and non-pro in SATA II ( AMD chipset , emfphasize on reads, they're different capacities) :
You're on SATA II aren't you? My 840 120 scores higher than your pro.

Umm, it says right there on his post...
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post #2483 of 5733
Quote:
Originally Posted by rui-no-onna View Post

Umm, it says right there on his post...

I was about to run out the door so missed it.

I am actually surprised. I didn't think SATA II would bottleneck an SSD this much but looking at his 4K writes I'd say he's severely bottlenecked. In fact my non Pro 120 does almost as well has his Pro and 250 do. I beat him in single thread and in 64 thread he barely manages 14MB more than my cheap SSD.
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post #2484 of 5733
Quote:
Originally Posted by draterrojam View Post



Seems a little slow to me compared to others on here. I posted another thread on here looking for help with my new ssd if anyone can help with that too that would be great!
http://www.overclock.net/t/1398534/samsung-840-250gb-ssd-questions

Is your PC information up to date? The "My System" info lists Windows 7, but I can tell you are using Windows 8 from your AS SSD screenshot. You are using the Windows 8 storahci SATA driver.

Your results are low, even for an AMD system. Does your board's download page have an AMD AHCI or RAID driver for Windows 8? If so, you could install it, which usually helps. The AMD SATA interface tends to be slower than Intel's, so you won't get quite as high scores.

Also, does your board have another SATA interface, such as Marvell or ASMedia? Your score reminds me of either of those SATA chipsets when used on Intel CPU/chipset boards. If so, you may not have your SSD on an AMD SATA port, which will provide better performance.
post #2485 of 5733
Hello samsung 830/840 owners
i am fresh new owner of Samsung SSD 840 Pro 256GB, i just bought today 10.6.2013., and is still in package, and wait to be instaled in pc. case.
i have Corsair Force Series 3. SATA 3. 90.GB SSD [550 MB/s. read — 500 MB/s. write] instaled and i am very happy with him, i have this SSD 16.month

I search trought overclock forum, but i cant find that i want to know.
I want to clean instal windows 7 64Bit.

Question:

1) is good for Samsung SSD 840 Pro 256GB. to be formated with 4k or 4096 bytes, alignment partition for fresh windows 7 instalation.

like this:
After booting to Install Windows 7 screen, press Shift + F10, to open a command prompt.
At the command prompt, type Diskpart, press Enter.

Type: lis dis, press Enter
Type: sel dis X (where X is the number your drive shows up as), press Enter
Type: cle, press Enter
Type: convert MBR, press Enter
Type: cre par pri align=4096 (1024 is default), press Enter
Note: If you are using multiple drives in RAID 0 use 1024 for the alignment instead of 4096 for best performance.
Type: for quick fs=ntfs, press Enter
Type: act, press Enter
Type: exi, press Enter


2) or is better to do normal regular Windows 7 Install (from Sean's Windows 7 Install & Optimization Guide for SSDs & HDDs)

i ask this, be couse i read trought net, that is better to do 4096-bytes partition alignment .

what is better to do for 840 Pro 256GB to it works properly, and long Lifetime?

P.S.
i dont want to touch Samsung SSD 840 Pro 256GB, before your ours advice and recommendations. thumb.gif
post #2486 of 5733
Quote:
Originally Posted by Blargh77 View Post

2) or is better to do normal regular Windows 7 Install (from Sean's Windows 7 Install & Optimization Guide for SSDs & HDDs)

i ask this, be couse i read trought net, that is better to do 4096-bytes partition alignment .

what is better to do for 840 Pro 256GB to it works properly, and long Lifetime?

Normal Windows 7 install will be fine. From what I recall, the 1024 value in diskpart is already 1024K or 1MB so it's already 4K-aligned. A lot of people just get confused and think the value is in bytes when it's actually already in kilobytes.

4K alignment just means the start of your partition is a multiple of 4K. It doesn't have to be exactly at 4K. You could start the partition at 100MB (104,857,600) and it will still be 4K aligned (104,857,600 / 4,096 = 25,600). Windows 7 and 8 are advanced format drive-aware and automatically aligns disks at 4K.
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post #2487 of 5733
Thanks for the help everyone, I just ordered the 840 250GB biggrin.gif

I also checked my BIOS and I have AHCI option.

This is obviously my first SSD, what is the process for making a fresh Win 7 install? Do I just plug it in, format and install or do I have to remove my other HDD's first? Also, when should I change to AHCI?
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post #2488 of 5733
Quote:
Originally Posted by starmanwarz View Post

This is obviously my first SSD, what is the process for making a fresh Win 7 install? Do I just plug it in, format and install or do I have to remove my other HDD's first? Also, when should I change to AHCI?

Probably best to disconnect or at least disable your other HDDs so Windows 7 doesn't install the boot sector on another drive. I've never had that problem but it's been known to be an issue for some.
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post #2489 of 5733
Quote:
Originally Posted by starmanwarz View Post

Thanks for the help everyone, I just ordered the 840 250GB biggrin.gif

I also checked my BIOS and I have AHCI option.

This is obviously my first SSD, what is the process for making a fresh Win 7 install? Do I just plug it in, format and install or do I have to remove my other HDD's first? Also, when should I change to AHCI?

Have a read through of this, it's very useful smile.gif If the guide doesn't cover it unplug all HDDs and leave only the SSD in for install, then after it's installed plug the HDD(s) back in. It doesn't really matter when you do it but just make sure you enable AHCI at some point before installing windows.
     
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post #2490 of 5733
Great link, thanks!

Edit; Had a quick look and this guy suggests to upgrade the SSD's firmware before installing, how is that possible? Or am I reading it wrong? Either way, can it be upgraded after the install?
Edited by starmanwarz - 6/10/13 at 8:08am
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