PRACTICALLY... are SATA hdds faster than EIDE connections?

I want to add an HDD to my computer. All of my SATA ports are full. I am considering putting in an EIDE hard drive since I still have another PATA port available...

Seagate 500gb 7200.10 (perpendicular) drives are $130 for either the SATA or EIDE versions from newegg. Same drive, different connection. Is the drive actually fast enough where I would see a speed benefit or any other benefit from having a SATA connection? Or are these drives not even able to fully use up EIDE bandwidth?

Just wondering if I will limit speed or reduce drive performance by going with an EIDE hdd...
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  1. Hey,

    I have a Hitachi 320GB 7200 RPM 8MB Cache IDE Ultra ATA133 via usb 2.0 and that Seagate 500GB 7200 RPM SATA 3.0Gb/s perpendicular drive via esata and when I access all my junk on both drives it just seems that the esata drive feels more responsive. If you want to add it internally I would buy a Controller Card and get the sata drive just in case one day you might want to add that drive to another computer.
  2. withoutadoubt...sata,IMO,Ive had all kinds... the 320 gig 16mb cache
    seagate is the fastest one I have owned(very impressed so far) :D
  3. Quote:
    I have a Hitachi 320GB 7200 RPM 8MB Cache IDE Ultra ATA133 via usb 2.0

    In the words of the Mythbusters:

    Well there's your problem ... 8)

    USB 2.0 will limit any hard drive to about 28 MB/sec maximum.

    IDE/PATA drive connected directly to a IDE/PATA interface will perform nearly identically to a SATA drive of the same model. Hard drives these days have maximum transfer rates that do not approach the bandwidth that either interface is capable of delivering.

    IDE is capable of 100MB/sec (133MB/sec in some cases), SATA is capable of 150MB/sec minimum, 300MB/sec in modern implementations. Consumer hard drives all run in the 60MB/sec to 80MB/sec range, well within all interface capabilities.
  4. Thanks SomeJoe, I suspected as much but wasn't sure on the numbers. Exactly what I was looking for.
  5. We both learned something today. :)
  6. On paper SATA is faster than EIDE (aka PATA), but I think real world performance, both are the same.
  7. You can get a PCI SATA controller for next to nothing, I personally would go for that and use the SATA drive, just to be more future proof and have less clutter. But if you went IDE you probably wouldn't lose much if any performance.
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