SATA Drives - Performance Issue?

[spacejamz]

I have these two drives hooked into SATA ports 1 and 2 on my DFI UT 250 GB mobo...

I have the maxtor as my boot drive (partioned into 40 GB (boot), 130 GB, 130 GB) and the WD as a storage drive (split into two 160 GB partitions)...

when i run HD TACH, it says the Maxtor performs at around 140 mpbs while the WD performs at 116 mbps...

I have another system using a WD sata drive connected through a PCI SATA controller card and it also peforms at around 118 mpbs..

Is this just an issue with WD SATA drives performing like this? I think i was getting better performance with my Maxtor ATA133 IDE drives...

will provide HD TACH screen shots of both drives tonight...

 

[GuileVsGuile]

well, the hard drives ARE different brands...Just cause they are SATA doesn't mean they are gonan perform equally. Can you give the specs on both of them?

 

[spacejamz]

Originally posted by: GuileVsGuile
well, the hard drives ARE different brands...Just cause they are SATA doesn't mean they are gonan perform equally. Can you give the specs on both of them?

Maxtor Specs

WD specs


according to specs, they are both advertised at 150 mbps, so i would expected to reach 135 - 140 mbps on each drive....

 

[DerelictDev]

ALL SATA drives are listed as up to 150MB/sec transfer rate b/c thats the transfer rate that SATA runs.

No typically hard drive can achieve 150MB or even 133 (ATA) speeds. The program you use doesnt seem to be a real marker for hd performance and only uses small bursts to rate the drive.
Its not the cables that are decreasing performance but probably just the hard-drive. In real-time applications i doubt your going to hit the speeds you currently are getting with the program.

Edit: I downloaded and ran the program as well and yea its pretty much bs. The number it gives you is some exaggerated burst speed but it does give accurate readings for sequential and average read speed. Both my Hard drives rate at about 55MB average speed.