The Raptor is built to SCSI (enterprise class) specifications. It has a 5 year manufacturer's warranty (Caviar has 3 years) as well as a 1 million hour MTBF. It it also less expensive than a SCSI drive.
--- In [email protected], jackf <[EMAIL PROTECTED]> wrote: > > That's interesting and valuable info. Is there a greater chance > of the HD crashing because it is such a high speed? > > regards, Jack F > ============================== > Police wear handguns because they are > a practical means of self defense. > <http://www.gunsmith.fuselier.com> in East Texas > > From: N. Thomas <[EMAIL PROTECTED]> > To: [email protected] > Date: Sunday, September 4, 2005, 1:00:25 PM > Subject: [A-1-Computer_Tech] Re: computer speed > Unless your computer's specs are really poor the biggest performance > killer is the hard drive. > Installing a newer, or high performance hard drive gives the biggest > gain. The stupid part is almost no computer manufacturer even gives > the specs for the hard drive, other than the size. Size isn't > everything! :D > > For instance comparing these: > - WD Caviar 160 GB SATA 7200 RPM 8.9 ms 8 MB Cache Hard Drive > - WD Raptor 73.4 GB SATA 100000 RPM 4.5 ms 8 MB Cache NCQ Hard Drive > > You'll see there's more than just Gigabytes here. > First I've listed, the manufacturer and model, next size, then bus > type/connection, then spindle speed, then average latency, then > on-board cache memory size, and then finally extra features. > > The three important advantages the Raptor has over the Caviar is the > spindle speed, average latency, and finally NCQ. > Broken down... > Spindle speed: the Raptor can perform Input/Output on the disk inside > 40% faster than the Caviar because the disk is spinning faster over > the heads. This is like speeding up a record on a record player. > Average Latency: 8.9 ms versus 4.5 ms means the Raptor can complete a > read or write request about 98% faster than the Caviar on average. > This literally means the heads inside can move faster over the surface > of the disk. (Although the treu average is an aggregate of spindle > speed and head speed) > NCQ stands for Native Command Queueing. When I/O is happening on the > hard drive, NCQ allows the drive to re-order the requests into a more > optimal pattern. The drive can determine what's the best route to the > locations requested inside the drive and re-order it on the fly. This > can improve performance by up to 40%. > > The Raptor has an average performance edge of somewhere from 25% to > 55%, depending on how the hard drive is being accessed! And this > performance can be almost directly be added to the total PC's > performance. Even older systems can benefit from a newer, faster > hard drive. > I've seen a Pentium 100 with 16 MB of RAM and a new 40GB/7200RPM hard > drive boot Windows 95 in *9* seconds! And that's with 16 MB of RAM! ------------------------ Yahoo! Groups Sponsor --------------------~--> Most low income households are not online. Help bridge the digital divide today! http://us.click.yahoo.com/cd_AJB/QnQLAA/TtwFAA/67folB/TM --------------------------------------------------------------------~-> If you have any questions or problems with any aspect of this site, please feel free to contact me directly [EMAIL PROTECTED] Please do not post personal issues directly to the group. To unsubscribe from this list, send an email to [EMAIL PROTECTED] Thank you for using A-1 Computer Tech Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/A-1-Computer_Tech/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
