SATA 3 Transfer Speed issue

[mauiozo]

Evenin folks (he says at 2pm). Wondering if someone could share some insight into this.

Current build (about 1 week old) contains the following:

Drive: C:
Free Space: 607.2 GB
Total Space: 1907.6 GB
File System: NTFS
Model: WDC WD20EARX-32PASB0 ATA Device

Drive: D:
Free Space: 2796.1 GB
Total Space: 2861.5 GB
File System: NTFS
Model: ST3000DM001-1ER166 ATA Device

Drive: E:
Free Space: 2109.0 GB
Total Space: 2861.5 GB
File System: NTFS
Model: ST3000DM001-1ER1 SCSI Disk Device

....along with:
CPU: i7 4ghz
GPU: GTX 770 4gb
RAM: 16gb DDR3
PSU: 750W

Not that the last part is necessary, but it's good to know what we're dealing with. So. Transfer rates between these drives are PAINFULLY slow, being between 0.7mBps and 20mBps or thereabouts. Is there ANYTHING I can do to speed up these transfer rates, or should I just employ a small arthritic fieldmouse called Gerald to run the data between the drives; did I mention he's also asthmatic? 😵

Any advice would be greatly appreciated guys, and thank you in advance for your help

Sry, should point out that transfer rates are as follows:

C-D: as above
C-E: as above
E-D: about 150-180mBps (in an ideal world, this would be the rate across all three drives )
E-C: about 150-200mBps

 

[Emerald]

what kind of motherboard?

 

[mauiozo]

MSI Z97 Gaming 7 with BIOS updated to 1.9 (latest)

 

[Emerald]

What ports are the drives connected to?

 

[mauiozo]

Ah, I see you've probably got a point there good sir. I'll have a look (once the 0.5tb of data I'm transferring at 15mBps finishes in about 7 hours) *facedesk**facedesk**facedesk**facedesk*

 

[fzabkar]

I would examine the SMART data. Look for UDMA CRC Errors.

You could reduce the WD drive's SATA link rate by installing its OPT1 jumper. This may stabilise an error prone data link.

BTW, some years ago a carrier pigeon outperformed our local telco's broadband service, so don't underestimate little Gerald. 🙂

 

[mauiozo]

Nonono, Gerald is the small asthmatic, arthritic field mouse who scurries along and carries data from one end of the board to the other.

In any case, Thank you for your very in depth response fzabkar, and especially thank you to Emerald who pointed out the issue to me. I checked all drives with HD Tune and 0 errors were found........and then I checked the port config in the BIOS. Realising I had the E drive in an Asmedia port (8) and the other 2 drives in 3 & 4, I changed them around so that everything is now in an Intel SATA port and blow me 😀 getting transfers of between 50 and 200mBps. So thanks again for all your help and I hope that this proves to anyone else who looks at this post that the VERY FIRST THING YOU SHOULD CHECK, is your port configuration in BIOS, and then go into your pc and switch the cables around if necessary