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Hard drive terminology


vbrad511
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I'm looking for a drive for a buddy's computer. I'm seeing something I don't understand. 6.0 Gb/s and 3.0 Gb/s. Is there a difference in which drive will or won't work in certain applications. I'm looking at one of the 6's for his Inspiron desktop.
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The 6gb/s drives will work on a 3gb/s controller. It will not take full advantage of the interface if it's mechanical. If it's 5400 rpm, it makes no difference. If it's 7200rpm, its minimal. If it is an SSD, it's a huge difference. Edited by button
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Any SATA hard drive will work, the above replies are correct. If your motherboard supports the faster data speeds, it will perform better but he probably already had a 3.0 Gb/s drive in it.

 

One thing I advise is NOT to buy a Western Digital brand drive, they are crap. Go with Seagate or Maxtor if you can, they last longer. Just learned from experience over the years in my IT jobs.

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  • 2 weeks later...

depends on what lap top he's got ,, if it's one of the newer dual core ,a 7200 HD will work fine if not then he'll never notice any diff in a 5400 and a 7200

was looking for a hard drive for my daughter's lap top , picked up hear a 320 gig WD blk for $60 that scores a 6.5 on win performance a few weeks ago and found almost NO ide drives , every thing is SATA , also I have to disagree with the WD drives being junk , I've use'd 20 or so WD drives in the last 25 years and all are still working only non working drives I have are several sea gate drvs , we find bad drvs from all makes

 

 

all hard drvs are not equal,, take WD drives they offer green, blue and black drives,, the BLK drvs are the fastest but cost more

if it's on sale it's more then likely a slower drv

also with the price drop in solid state hard drives he may want to go that route,, he can always take it with him if he upgrades to a better lap top,, and the diff is amazeing,, very fast

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True, different models do perform better. I did refurb, warranty facilitation for a few OEM's at one point in my career and WD's had a high failure rate out of the box, not saying one can't last a long time, it depends on what it's in and how it's used. (sitting in a server or toted around in a laptop taking bumps). Maxtor is my first brand choice based on what I've seen, but to each, his own.
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mine are normaly on 16-20 hours a day 365 , like every thing else bad batches do happen , problem is specs keep changing so fast these days you rarely buy the same one more then twice , i was shocked to find you can't buy IDE hard drvs any more

 

if I counted them right now I probly have 12 hard drvs 8 in pc's and a few SATA & IDE laying here and there , even a few 2o & 30 gig old ones , lol I have 4 lap tops , one a 386 6 inch screen , booted up last time I tried it , talk about being expensive when new :) ,an older 400 MHz and a 600mhz and a dual core 2.1 my first 486 , a 286 desttop still boots up if you have enough time to wait ha ha couple P3's , g-daughter has 2 of mine, 5 dest tops in the house 3 networked

the shelves in my room look like a computer store lol

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