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 Post subject: SSD Low test score
PostPosted: Thu Jul 24, 2014 6:18 am 
Little Foot
Little Foot

Joined: Sun May 18, 2008 5:51 pm
Posts: 127
I don't seem to be getting the speed that test results show on reviews of SSD's. Can someone give me any ideas as to why.
This is my system specs.

I used AS Benchmark 1.7.4.....

I had the Samsung 830 installed using the IDE and realized that could be why so I bought the Samsung 840 and installed using ACHI
The test result where pretty close to the same. I see reviews where these drive should be much faster than what they are testing at for my setup.

IDE - SAMSUNG 830 Series MZ-7PC256B/WW 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)
Seq - Read 259.36MB/s - Write 233.75MB/s
4K - Read 19.55MB/s - 48.34MB/s
4K-64Thrd - Read 181.73MB/s - Write 116.93MB/s
Acc. Time - Read .124ms - Write .072ms

ACHI - Samsung Electronics 840 EVO-Series 250GB 2.5-Inch SATA III Single Unit Version Internal Solid State Drive MZ-7TE250BW
Seq - Read 266.07MB/s - Write 255.71MB/s
4K - Read 30.30MB/s - 55.52MB/s
4K-64Thrd - Read 201.22MB/s - 158.11MB/s
Acc. Time - Read .072ms - Write .061ms

Windows 7 - 64bit
ASUS P6T Deluxe V2 LGA 1366 Intel X58 ATX Intel Motherboard
Intel Core i7 920 Nehalem 2.66GHz LGA 1366 130W Quad-Core
Noctua NH-U12P SE1366 120mm SSO CPU Cooler
OCZ Gold 12GB (6 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Low Voltage Desktop Memory Model OCZ3G1600LV6GK
PC Power & Cooling Silencer PPCS910 910W ATX12V 2.2 / EPS12V 2.91 SLI Certified CrossFire Ready 80 PLUS SILVER Certified
VGA GeForce GTX670 FTW+ 4096MB GDDR5 256bit DVI HDMI DisplayPort 4-Way SLI Ready Graphics Card 04G-P4-3673-KR
SAMSUNG Black 22X DVD Burner Black SATA Model SH-S223B
COOLER MASTER HAF 932 RC-932-KKN1-GP Black Steel ATX Full Tower Computer Case
24" Dell Ultrasharp - 1900x1200


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 Post subject: Re: SSD Low test score
PostPosted: Thu Jul 24, 2014 7:46 am 
Smithfield
Smithfield

Joined: Sun Jun 18, 2006 7:37 pm
Posts: 5528
Your motherboard supports only SATA 3Gbps, which is about 300MB/s of total bandwidth. Useable bandwidth is less. I wouldn't fret about bandwidth though, it's still an order of magnitude or two faster than the HDD.


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 Post subject: Re: SSD Low test score
PostPosted: Thu Jul 24, 2014 9:22 am 
Little Foot
Little Foot

Joined: Sun May 18, 2008 5:51 pm
Posts: 127
so in order for me to reach the potential of the SSD I need to replace the motherboard and Processor so I have 6Gbps SATA.


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 Post subject: Re: SSD Low test score
PostPosted: Thu Jul 24, 2014 9:33 am 
Smithfield
Smithfield

Joined: Sun Jun 18, 2006 7:37 pm
Posts: 5528
Or get an add-in card that uses PCI-Express, though it'd have to be 2.0 x2 to get the full potential (2.0 x1 only has 500MB/s of total bandwidth). But that might make things tricky since I'm not privy on how booting on those work.


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 Post subject: Re: SSD Low test score
PostPosted: Sat Jul 26, 2014 1:26 pm 
[Team Member]
[Team Member]

Joined: Sat Jun 26, 2004 4:31 am
Posts: 11117
Location: Home Sweet Home
Looks like a bios setting is all you need to be able to boot to your add-in card:

http://www.sevenforums.com/hardware-dev ... -card.html

Nasty


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