raza Posted December 19, 2005 Posted December 19, 2005 I bought new HDD and I was told that it had 100mb/s speed but when I copied some music files from one partition to the other and calculated the speed it came around something like 10mb/s, why is this big difference present ??I was shocked to see this.
WildKat Posted December 19, 2005 Posted December 19, 2005 Thats peak speed on the bus, a normal hard disk would never reach that speed in real life (physical limitation). Thats why a SATA300 drive doesnt have 3x the performance of an ATA100 drive, they are very similar in performance due to the limitiation of the disk spinning etc.
Vitalix Posted December 19, 2005 Posted December 19, 2005 The 100MB/SEC is the max speed of the IDE interface.You would need 2 or 3 drives in a RAID-0 stripe to reach 100MB/SEC.The new SATA standard is 3.0Gb/sec (which is about 380MB/SEC) really means nothing unless you have an array of like 6 disks in an enterprise setup linked.
LLXX Posted December 20, 2005 Posted December 20, 2005 The maximum burst speed of the ATA100 interface is 100MB/s, but the transfer rate from the disk platters is much lower. This is why a larger HDD cache is better - it'll be able to sustain longer burst transfers.10MB/s is quite a normal speed, do not be concerned about it.
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