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Samsung 830 256GB - Super slow write speeds across the board

post #1 of 16
Thread Starter 
Hello all,
I recently bought a Samsung 830 256GB SSD thanks to the guys over at Toms. After installing Windows 7 on it I loaded Windows 7 SP1, MSE and a few other programs, one of which was Samsung's "SSD Magician" program. The disc came with version 3.1 of the program, but even after installing it asked to update to seemingly the same version. I checked the About box and apparently it updated from 3.1 to 3.1.1. Using SSD Magician I performed a firmware check (I had the latest version on the drive) and a "Performance Optimization" (not "OS Optimization") on the drive. After that I loaded up AS SSD and did a test, comparing it to my older 64GB Crucial m4.

I'm using AS SSD version 1.6.4237.30508.

When I got my 64GB m4 back in August of 2011 I did two tests on it. One got a final score of 531 and the other 526.

Crucial m4 Test 1:
501

Crucial m4 Test 2:
501

...and here's the test on my shiny new 830:

Samsung 830 Test 1:
501

As you can see the write speeds are much lower on the 830 and only gets a score of 310. Windows even boots slower on the 830 compared to my old m4. (gotta wait a 3-4 extra seconds)

Any reason why this is? Does this drive just perform better on a SATA III port?

Here are my specs:
Motherboard: ASUS SABERTOOTH 55i, BIOS version 2003
CPU: Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core BX80605I5750
RAM:
1 x G.SKILL Ripjaws X 8GB (2 x 4GB) DDR3 1600 (PC3 12800) F3-12800CL8D-8GBXM
1 x G.SKILL Trident 4GB (2 x 2GB) DDR3 2000 (PC3 16000) F3-16000CL9D-4GBTD
Video Card: Sapphire Vapor-X 100283VXL Radeon HD 5770 1GB
PSU: Corsair HX750 (CMPSU-750HX) 750W
SSDs/Hard Drives:
1 x Samsung 830 MZ-7PC256B/WW 256GB (internal)
2 x WD Caviar Green WD10EARS 1TB 5,400 RPM (internal, RAID 1, storage/backup)
1 x WD Caviar Green WD10EARS 1TB 5,400 RPM (internal drive in external enclosure, eSATA, backup of all internal drives)
CD/DVD: Samsung SH-S203N
Case: Thermaltake Element V VL20001W2Z
OS: Windows 7 SP 1 x64 Home Premium

Thanks!
Edited by BlindWolf8 - 5/7/12 at 12:00am
post #2 of 16
Did you install as an AHCI or IDE drive? I believe there was an updated Intel Storage driver also.
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Amelia
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post #3 of 16
Thread Starter 
Quote:
Originally Posted by Redwoodz View Post

Did you install as an AHCI or IDE drive? I believe there was an updated Intel Storage driver also.
Hey Redwoodz,
Thanks for replying. As you can imagine this situation is very frustrating. I feel like I'm in limbo as I don't know if this is "normal" for my drive or not. It sure doesn't seem to be. Anyway, to answer your question I'm in RAID mode, which as far as I know automatically sets the other devices that are in non-RAID status to ACHI mode. I was in this same mode before I got my 830 too. (Running with the m4) Nothing has changed in my setup beyond removing both the Crucial M4 64GB and a WD VelociRaptor 300GB and replacing it with the Samsung 830 256GB.

This is a fresh Windows 7 install. I'm using the latest Intel driver which is 10.8.0.1003.
Edited by BlindWolf8 - 5/7/12 at 4:52am
post #4 of 16
Quote:
Originally Posted by BlindWolf8 View Post

I feel like I'm in limbo as I don't know if this is "normal" for my drive or not. It sure doesn't seem to be.
Not normal. Here's my 830. Also I noticed that your drive's firmware isn't the newest one. Update it.

511
Edited by Glottis - 5/7/12 at 4:37am
post #5 of 16
Thread Starter 
Quote:
Originally Posted by Glottis View Post

Not normal. Here's my 830. Also I noticed that your drive's firmware isn't the newest one. Update it.
511
Hey there Glottis,
I'm on SATA II (for now) so my numbers are going to be lower than yours, (should be around half) but they are much lower than my older m4. Also I can assure you that my firmware is up to date. For some reason AS SSD isn't reporting it correctly, but Intel RST is and it matches with what Samsung has on their website as the latest.
post #6 of 16
I just updated my firmware and my scores are quite alot lower than before. Typically I'd be around the ~630 score range... Now:
501
post #7 of 16
From my experiences, the read/write speeds you are getting look to be normal for AHCI mode Sata 2 - 3Gb/s. I don't think much more speed can be extracted due to the cap that Sata 2 allows for.
post #8 of 16
Take a look through Sean's SSD Guides, he pretty much answers any question you may have. Looks like maybe it's not aligned properly.http://www.overclock.net/t/1156654/seans-windows-7-install-optimization-guide-for-ssds-hdds/0_20

Also I believe AS-SSD is normal to score low on some SSD's. Try another bench like Crystal, or HDTune
http://www.hdtune.com/
http://crystalmark.info/download/index-e.html#CrystalDiskMark
Edited by Redwoodz - 5/7/12 at 1:35pm
Amelia
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Amelia
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WD Black 1TB SATA III Samsung BD Zalman 9900MAX Windows 7 64 Professional 
MonitorKeyboardPowerCase
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Samsung 470 SSD 128GB 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 960T Asus M4A88T-VEVO Asus Strix R7 370 SuperTalent Perfomance 
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post #9 of 16
Thread Starter 
Quote:
Originally Posted by slice259 View Post

From my experiences, the read/write speeds you are getting look to be normal for AHCI mode Sata 2 - 3Gb/s. I don't think much more speed can be extracted due to the cap that Sata 2 allows for.
Hey there slice259,
I'm actually more concerned about the very slow write speeds. The Seq. Read speed looks pretty good.
Edited by BlindWolf8 - 5/7/12 at 7:19pm
post #10 of 16
Thread Starter 
Quote:
Originally Posted by Redwoodz View Post

Take a look through Sean's SSD Guides, he pretty much answers any question you may have. Looks like maybe it's not aligned properly.http://www.overclock.net/t/1156654/seans-windows-7-install-optimization-guide-for-ssds-hdds/0_20
Also I believe AS-SSD is normal to score low on some SSD's. Try another bench like Crystal, or HDTune
http://www.hdtune.com/
http://crystalmark.info/download/index-e.html#CrystalDiskMark
Thanks for the links. That Windows 7 SP1 integrated link should be updated to SP1-U. I'll let Sean know. I checked my alignment and I'm 101 MB in, which matches closely with the 100 MB system reserve partition for recovering Windows.

Would you like me to post results from those other 2 programs?
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