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Slow SATA Hitachi drive in Windows7

Last response: in Storage
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January 2, 2013 1:03:29 AM

I have 3 HD:
1) 500GB Hitachi Deskstar 7.2k SATA (Model: HDS7250SASUN500G 0731KL1WSF, Firmware: K2AOAJ0A)
2) 160GB Caviar Blue Western Digital 7.2k PATA 8MB Cache (Model: WDC WD1600AAJB-00J3A0, Firmware: 01.03E01)
3) 1TB Caviar Green Western Digital 7.2k SATA 6.0Gb/s 64MB Cache (Model: WDC WD10EZRX-00A8LB0, Firmware: 01.01A01)

I have Windows 7 installed in the 500GB and the 160GB. The 1TB HD is brand new, formatted and still empty.
Wen booting from either the 500GB or the 160GB HD's, HDDScan gives a transfer rate of 120-80MB/s for the 160GB, 160-80MB/s for the 1TB, and 60-30MB/s for the 500GB. i expected both SATA to be on the 160-80MB/s, and the PATA to be he slowest. I tried swapping the 1TB and the 500GB SATA plugs but it does not help. Anyone could help me finding the reason why the 500GB Hitachi is slower?

System:
AMD Phenom II X6 1055T Processor running @2.80MHz
ASUS M4A785TD-V EVO
G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 (F3-12800CL9D-8GBRL) running @1600MHz
XFX HD-567X-ZNL3 Radeon HD 5670 1GB 128-bit DDR3 PCI Express 2.1 x16 HDCP Ready Video Card (HD-567X-ZNL3)

The system runs cool (<45C). I usually work with the Windows7 installed on the 500GB. If that is of help, it freezes about once a month for no reason, but I haven't found any reason why.
Thanks!

More about : slow sata hitachi drive windows7

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a c 326 G Storage
January 2, 2013 7:16:05 AM

ISTM that your Hitachi drive is performing to specification:
http://www.hgst.com/tech/techlib.nsf/techdocs/C5C895A72...$file/Deskstar_E7K500_DS.pdf

Sustained data rate (MB/sec) 64.8 - 31 (zone 0 - 29)
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January 2, 2013 11:17:14 AM

fzabkar said:
ISTM that your Hitachi drive is performing to specification:
http://www.hgst.com/tech/techlib.nsf/techdocs/C5C895A72...$file/Deskstar_E7K500_DS.pdf

Sustained data rate (MB/sec) 64.8 - 31 (zone 0 - 29)


Thanks for providing the specs, I couldn't find them myself. That explains the data transfer.
Still, I thought a SATA 3Gb/s would perform faster.
Thanks! Problem solved!
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January 2, 2013 11:17:27 AM

Best answer selected by oscart.
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January 4, 2013 4:08:06 PM

fzabkar said:
ISTM that your Hitachi drive is performing to specification:
http://www.hgst.com/tech/techlib.nsf/techdocs/C5C895A72...$file/Deskstar_E7K500_DS.pdf

Sustained data rate (MB/sec) 64.8 - 31 (zone 0 - 29)


Is there a way to know whether the hard drives :
1) 500GB Hitachi Deskstar 7.2k SATA (Model: HDS7250SASUN500G 0731KL1WSF, Firmware: K2AOAJ0A)
2) 160GB Caviar Blue Western Digital 7.2k PATA 8MB Cache (Model: WDC WD1600AAJB-00J3A0, Firmware: 01.03E01)

are compatible with AHCI?
They have both been formatted and used as IDE, but now I am moving windows7 into my larger 1TB AHCI HD. Will it work just by changing IDE to AHCI in the bios?
Thanks!
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a c 326 G Storage
January 4, 2013 6:01:44 PM

AHCI/IDE are SATA controller settings. I could be wrong, but I don't believe it makes sense to ask whether a drive is compatible with AHCI or IDE mode.

If your two drives will be used as non-booting storage, then it won't matter how they have been configured. Otherwise there is a sticky thread at the top of this forum that deals with the issue.

http://www.tomshardware.com/forum/196922-32-switching-s...
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