Sorry guys this is going to sound dumb but i'm new to comps(beside just sticking in the cd to play games) what is the diff in hard drive's meaning sata,scsi and ide????? again sorry for the dumb ?? going to build my frist comp in a 1month,and can some one ponit me to a good updated book our dvd on building comps!!!!!!
HDD?
- Thread starter toastynoodles
- Start date
they are different sytems for installing hard drives, cd-rom drives, and other things of that nature. it's been awhile since i was "in the know" about this kind of thing, but if i recall correctly, the two standards are IDE and SCSI. for pretty much all home users, IDE is the way to go (cheaper, and the speed difference between it and SCSI is negligable). now, for IDE, there is also two ways to go. SATA, or serial ATA, and PATA, or parallel ATA (it escapes me what ATA stands for). PATA has been the standard for several years now, and SATA has only really come about in the past several months. as of right now, the speeds of the two are very similar, but SATA is going to be the standard in the future. if you want more info about this stuff, do some searches, and also take a look at http://www.anandtech.com/ (the main site), as i'm sure there are many articles about SATA and what you should buy.
Chaotic42
Lifer
- Jun 15, 2001
- 35,380
- 2,501
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IDE is Integrated Drive Electronics. People use ATA and IDE interchangably. Basically when someone says IDE drive, they mean a drive with a 40 or 80-pin ribbon connection. IDE drives are slow, cheap, and the most common.
SATA is Serial ATA. It's new to the desktop scene. I don't know a whole lot about it as I really don't care, but basically it's a serial interface where IDE is parallel. The cable is much smaller, it's capped at 150MB/s (as opposed to 133MB/s for IDE). SATA tends to be a bit more expensive than IDE. They're still pretty slow, except for the Raptor which you'll hear about constantly here.
SCSI stands for Small Computer Systems Interface. It comes in 50, 68, and 80-pin configurations with 68 and 80 being the most common. With the 80-pin you don't need the 4-pin Molex power connector to attach to the drive. Usually a board with 80-pin slots on it is used and the drives are slipped into their drive bay where they dock with the board. SCSI has speeds up to 320MB/s, has command queueing (Basically the drive can store commands and execute them in a different order for efficiency). SCSI is very fast, often used in servers, and as such is much more expensive than either SATA or IDE. Setting up SCSI is a *little* more work, but once you know how to do it, you're fine. The cables are also very expensive, but they can stretch much farther than IDE cables. SCSI drives reach up to 15,000 RPMs and I've heard talk of 22,500 RPM drives, but I haven't seen any.
SATA is Serial ATA. It's new to the desktop scene. I don't know a whole lot about it as I really don't care, but basically it's a serial interface where IDE is parallel. The cable is much smaller, it's capped at 150MB/s (as opposed to 133MB/s for IDE). SATA tends to be a bit more expensive than IDE. They're still pretty slow, except for the Raptor which you'll hear about constantly here.
SCSI stands for Small Computer Systems Interface. It comes in 50, 68, and 80-pin configurations with 68 and 80 being the most common. With the 80-pin you don't need the 4-pin Molex power connector to attach to the drive. Usually a board with 80-pin slots on it is used and the drives are slipped into their drive bay where they dock with the board. SCSI has speeds up to 320MB/s, has command queueing (Basically the drive can store commands and execute them in a different order for efficiency). SCSI is very fast, often used in servers, and as such is much more expensive than either SATA or IDE. Setting up SCSI is a *little* more work, but once you know how to do it, you're fine. The cables are also very expensive, but they can stretch much farther than IDE cables. SCSI drives reach up to 15,000 RPMs and I've heard talk of 22,500 RPM drives, but I haven't seen any.
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