New Samsung 840 Evo, slow speeds?

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justalfo

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Oct 21, 2010
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Today I did a fresh install of Windows 7 on a brand new Samsung 840 EVO SSD. Before installing I switched the settings to AHCI in the bios, and detached all other HDD's. After finishing windows updates I decided to download the Samsung Magician program. I followed what it said to do about its settings, and performance optimization. I also enabled Rapid mode. However, my write speeds are still pretty low. Is there something simple I'm missing?

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My system specs:

Motherboard: MSI P55-GD85 (MS-7585) (CPU1) ( I have it connected to one of the two Marvell white SATA3 ports, my old HDD is in the other one.)
CPU: Intel Core i5 750 @ 2.67GHz Lynnfield 45nm Technology
RAM: 8.00GB Dual-Channel DDR3 @ 668MHz (9-9-9-24)
GPU: 2047MB NVIDIA GeForce GTX 560 (EVGA)
Storage: 111GB Samsung SSD 840 EVO 120GB ATA Device (SSD), 596GB Western Digital WDC WD6400AAKS-00H2B0 ATA Device (SATA)


Thank you in advance, I really appreciate it.

JustAlfo
 
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J

justalfo

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Oct 21, 2010
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Well I haven't tried putting it in a SATA 2 port yet, but this afternoon when I booted up for the first time today these were my results.

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Nothing has changed since last night.. If it tests slow again, Ill try the SATA 2 port like you guys suggested. Thanks so much for your help.
 
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Palorim12

Palorim12

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May 3, 2013
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Marvell just plain sucks with SSDs, If i were you i'd go straight to the Intel, even if thaey are just SATA 2.
 
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JohnnyLucky

JohnnyLucky

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May 30, 2007
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You have an older motherboard that is no longer in production. It was introduced long before modern 3rd generation SATA 3 6Gb/s solid state drives. The board and the Intel P55 chipset do not properly support modern ssd's.

Combatmed1 - The Samsung SSD magician includes both ssd optimization and Microsoft Windows optimization. No muss! No fuss! No bother!
 
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F

ffejster25

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Jan 11, 2014
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I have the same SSD and I think those are typical benchmarks. when you say slow what do you mean? how long does it take to boot windows? cause you can't go by the benchmarks its all BS. defraggler benchmarks mine at under 100 mb read most the time. once I got 300+ mb. http://files.thecybershadow.net/trimcheck/ this is where you can get a program that checks to see if TRIM is working it opens a Command prompt window you run it once then close and open again and it will tell in fact if the SSD is writing zero's its very easy to use no installation just save download and open. its the .exe file that you want like the 4th one down I think

MSI 970a-g46
amd fx 6300
8gb gskill ripjaw x 1866
MSI GTX 480 SLI
750W rosewill
 
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jasonc2

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May 26, 2014
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It's a disservice to the reader to encourage blind unnecessary optimizations. This is why everybody was breaking all their Linux software with -funroll-loops and crying about it on mailing lists for years.

That guide misses all the important stuff anyways, like explicit over-provisioning if your drive doesn't have mandatory allocated space, or making sure you force an unused space trim at least once if you've cloned your drive from a sector-by-sector image, or the critical first step of *determining what you actually -want- to make faster based on observations and goals*.
 
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