Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: Samsung 840 Evo 120GB SSD Underperformance

28 Jul 2014   #1
Ocman76

Windows 7 Ultimate x64 SP1
 
 
Samsung 840 Evo 120GB SSD Underperformance

I got a SDD for my new PC and installed it as the boot drive, however I have been running some benchmarks and am confused on the results. For reference, this drive is listed to have 540 MBps Sustained Sequential Read and 410 MBps Sustained Sequential Write speed.

AS SSD Benchmark:



Crystal Disk Benchmark:


The performance seems a little slow on the read I am using a 6 GB/s SATA cable and have already tried using Samsung Magician to optimize the drive. Does anyone have any suggestions?



My System SpecsSystem Spec
.
28 Jul 2014   #2
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

Your motherboard most likely does not have sata III ports. You are running on sata II ports most likely. The cable used won't make any difference if the port itself is not sata III. That being said, those numbers are not bad at all. Try running the test on the mechanical drive it replaced.
My System SpecsSystem Spec
28 Jul 2014   #3
Ocman76

Windows 7 Ultimate x64 SP1
 
 

Quote   Quote: Originally Posted by essenbe View Post
Your motherboard most likely does not have sata III ports. You are running on sata II ports most likely. The cable used won't make any difference if the port itself is not sata III. That being said, those numbers are not bad at all. Try running the test on the mechanical drive it replaced.
I don't mean to be rude, but im not that dumb. My motherboard doesn't have any Sata II ports, only Sata III.

This is my motherboard:
ASUS M5A99X EVO R2.0 AM3+ AMD 990X + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS - Newegg.com

I will run the benchmarks on the mechanical drive when I get home and post them back here.
Is it possible I just got an underperforming SSD? I'm honestly disappointed because the Samsung SSD's are more expensive than other brands and have better reviews. I could have paid $20 more and gotten double the capacity.

Thanks for responding btw, ive been having trouble recently getting any help on different forums.
My System SpecsSystem Spec
.

28 Jul 2014   #4
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

You're still getting decent numbers though. I'll save you the trouble. Here id a Western Digital Black 6 GB/s

Samsung 840 Evo 120GB SSD Underperformance-wd-ssd.png


My System SpecsSystem Spec
28 Jul 2014   #5
Ocman76

Windows 7 Ultimate x64 SP1
 
 

Quote   Quote: Originally Posted by essenbe View Post
You're still getting decent numbers though. I'll save you the trouble. Here id a Western Digital Black 6 GB/s
Thanks. Looks like I do get a good performance jump over a mechanical drive. Should I not expect to be getting that close to the manufacturer listed read and write speeds for me SSD? This is normal?
My System SpecsSystem Spec
28 Jul 2014   #6
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

To some extent yes, and the numbers will change every time you run a test. But, don't run many tests on it. Running too many will slow it down for a while until it has a chance to 'clean' itself up. Actually, the 4KB read speeds and access times are the only numbers you will use on an OS 90% of the time. The rest are not really important unless you transfer 10GB files around.
My System SpecsSystem Spec
28 Jul 2014   #7
Ocman76

Windows 7 Ultimate x64 SP1
 
 

Quote   Quote: Originally Posted by essenbe View Post
To some extent yes, and the numbers will change every time you run a test. But, don't run many tests on it. Running too many will slow it down for a while until it has a chance to 'clean' itself up. Actually, the 4KB read speeds and access times are the only numbers you will use on an OS 90% of the time. The rest are not really important unless you transfer 10GB files around.
Alright, thanks for the help!

Can't say im a little disappointed to know that other people with cheaper drives have faster access speeds though haha.
My System SpecsSystem Spec
25 Oct 2014   #8
Forever Forest

windows 7 64
 
 

Well I'm glad you lot have got this far !

Firstly, the migration software fails. I've done a clone with another third party software. But, whenever I put the drive in, nothing happens and the laptop kind of turns itself of and then back on repeatedly.

F2 for setup doesn't work whilst it's doing this.

Does anyone think I've got a faulty SSD?

Thanks in advance
My System SpecsSystem Spec
25 Oct 2014   #9
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

What software did you use to clone the drive? You can try this SSD - Install and Transfer the Operating System or the easiest way will cost you @20 (US) Paragon Migrate OS to SSD - System migration to Solid State Drives (SSD) - Overview 3 click and everything is done for you.
My System SpecsSystem Spec
25 Oct 2014   #10
jonnyhillow

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Those benchmarks are excellent , mine is far worse and i have a new 240 gb SSD.
My System SpecsSystem Spec
Reply

 Samsung 840 Evo 120GB SSD Underperformance




Thread Tools Search this Thread
Search this Thread:

Advanced Search




Similar help and support threads
Thread Forum
How to prepare in use, Samsung 840 120GB ssd for new motherboard & cpu
I just installed the ssd not too long ago but, will be replacing the mothetboard & cpu soon. Can I remove the ssd and install it in my backup pc tower to format or,do what ever needs to be done to make it to where all I have to do is reinstall in case, and then install fresh copy of Win 7 pro OS?...
Hardware & Devices
latest firmware/driver updates for my Samsung 840 120GB SSD
I've updated the bios on motherboards and dvd burners but, I'm not sure if I have the most up to date firmware/drivers and am not sure how to go about doing it on this ssd any help will be appreciated Thanks! :) SAMSUNG 840 Series MZ-7TD120BW 2.5" 120GB SATA III Internal Solid State Drive (SSD) -...
Hardware & Devices
Samsung 120GB 840 Series SSD Drivers
Hi, It's my first time building my computer, and I'm all done - I had some difficulty with making my .iso file bootable which I was helped with on here last night. Now I require drivers for my SSD which I can't find. Well.. I went on the Samsung website, searched my SSD and downloaded the...
Drivers
64 to 120GB
HI, if i backup my windows 7 C: drive which takes up say 64GB (i'm not sure if it takes that amount or not 'cause i haven't bought my new pc yet) and my whole hard drive is 120GB, will the computer backup the complete entire thing or just the 64GB? thank you
Backup and Restore
The best brand of SSD 120gb to buy? $180-200?
I'm planning to get an SSD 120gb what is the best brand to buy? I looked up on the internet this is what I found $180-200 price range - Corsair Force GT 120gb - OCZ Vertex 3 120gb Any other brand suggestions from above? Thanks. this is my budget:
Hardware & Devices
mSATA SSD 120GB
The 1st mSATA SSD I got to know is Intel 310, but they only offer 40GB and 80GB model, for me, a 120GB one would be my 1st choice. Later in many forums, I saw Renice has their X3 mSATA SSD 120GB, it is the 1st mSATA based on SF controller, I got mine from here 2 weeks before, speed is fast, its...
Hardware & Devices


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 16:05.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App