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Old 01-21-2006, 06:57 PM   #1
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Default Hard drives

can someone thouroughly explain the main types of hard drives out there?
im pricing out a computer for gaming. and im wondering, what the difference is between sata and raid 0-3? if their is any? im clueless in this department.
thanks
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Old 01-21-2006, 07:02 PM   #2
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Default Re: Hard drives

ATA100, ATA133, SATAI, SATAII, SCSI ===== with each one advancing in speed.

The most commonly used today are the SATAI (150Mbps) and the SATAII (3gbps) drives. RAID is using multiple hard drives to create redundancy (backups) and to help increase performance at the same time. All motherboard support RAID. It is configured through software.

RAID (Redundant Array of Independent Disks). A collection of disk drives that offers increased performance and fault tolerance. There are a number of different RAID levels. The three most commonly used are 0, 1, and 5:

Level 0: striping without parity (spreading out blocks of each file across multiple disks).
Level 1: disk mirroring or duplexing.
Level 2: bit-level striping with parity
Level 3: byte-level striping with dedicated parity. Same as Level 0, but also reserves one dedicated disk for error correction data. It provides good performance and some level of fault tolerance.
Level 4: block-level striping with dedicated parity
Level 5: block-level striping with distributed parity
Level 6: block-level striping with two sets of distributed parity for extra fault tolerance
Level 7: Asynchronous, cached striping with dedicated parity
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Old 01-21-2006, 07:05 PM   #3
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Default Re: Hard drives

SATA and RAID are two different options for hard drives.
SATA is for the interface, which allows for much faster transfer of data. In other words, if you're going to be playing games from your hard drive- SATA is the way to go.
RAID is for redundancy, meaning for data storage/reliablity. It also speeds up data transfers in certain configurations, not sure which one would suit you (because the data is written to two drives, instead of one, making the seek time lower). You can have both SATA hard drives, and have it setup in a RAID configuration. Just do a google search on RAID, read what you find, and then a google search on SATA, and read what you find. Google is always your friend
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Old 01-21-2006, 07:09 PM   #4
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Default Re: Hard drives

ive got a wuestion 9sry not trying to hijeck your forum or anything) which would be faster:

a raptor 10000rpm or a SATA II drive
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Old 01-21-2006, 07:12 PM   #5
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Default Re: Hard drives

I'm going for the Raptor drives. Higher RPMs always does it. Transfer rate between the SATAI and SATAII isn't that significant right now.
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Old 01-21-2006, 08:47 PM   #6
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Default Re: Hard drives

okay, thanks for the help guys, very enlighting. thanks
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