VelociRaptors In RAID 5, A Case Study In Speed

**MIG-31** · Jun 27, 2008, 09:11 PM

If you were the type to think of 2.5" drive technology only in terms of notebook products, then recently, Western Digital probably helped expand your horizons a bit. With the release of their VelociRaptor 300GB SATA hard drive, mainstream users were exposed to the advantages of the high transfer rates associated with 2.5" platters rotating at 10K RPM, with four access heads pulling data. Though packed in a 3.5" form-factor for desktop system compatibility, the 2.5", dual 150GB platter platform that the VelociRaptor was built on allows it to outperform virtually all standard 3.5" SATA drives on the market today, even WD's 10K RPM Raptor WD1500 series.
____________
Source: Hothardware

Judas · Jun 27, 2008, 10:07 PM

nice results..

but they are still far lower then that of the seagate 7200.11's performance (and yes i know these are 2.5" drives not the 3.5")

still the newest WD drives haven't beaten the 7200.11's i've been running..

It's almost a year since the 7200.11's have come out..

where the 7200.12s... wonder what they'll be packing

**kris23** · Jun 28, 2008, 12:01 AM

man...... i need more 7200.11s......

Zelig · Jun 28, 2008, 03:40 AM

Quote:

Originally Posted by Judas

nice results..

but they are still far lower then that of the seagate 7200.11's performance (and yes i know these are 2.5" drives not the 3.5")

still the newest WD drives haven't beaten the 7200.11's i've been running..

Whoa... few points to clear up:

All the velociraptors are 3.5" drives, it's just the internal platters which are smaller.
This test showed 3 drives in RAID 5, obviously it's going to be slower than your 6 drives in RAID 0.
Velociraptor drives beat 7200.11 drives in pretty much every performance benchmark. (See here.)

**kris23** · Jun 28, 2008, 06:36 AM

except transfer speed

good for game loading but not soo good for fluid gameplay

Judas · Jun 28, 2008, 04:46 PM

sorry got confused.

and so sorry...

they don't beat the 7200.11s

i've had 3 7200.11's in raid 5 with 3 of the drives (500gb)

the 7200.11's scored a continous 300+ MB/s average and random access time of 7.4

Bursts in excess of 2000+ using intel ICH9R

at thier lowest point (end of the drives) they tappered off to a read speed of 292MB/S... thier highest point was 360MB/S

the Single 7200.11's still score in excess of 115-120MB/S read speeds well for me anyways... i see a number of reviews that show the 7200.11's as low as 90MB/s with access times ranging up into even the 10's occasionally. Frankly i'm confused by how this is possible without somehow ending up with bad drives (unlikely) or using a sata controller that just isn't doing it justice.... which is even more confusing considering that the ich9r chipset is one of the best IC's but it shouldn't be able to beat out the performance of a truely 100% hardware sata solution.. or should?

Jun 27, 2008, 09:11 PM	#1
MIG-31 HardwareHeaven News Mod Join Date: Dec 2002 Location: Nottingham,UK Posts: 55,773 Rep Power: 444 System Specs	VelociRaptors In RAID 5, A Case Study In Speed If you were the type to think of 2.5" drive technology only in terms of notebook products, then recently, Western Digital probably helped expand your horizons a bit. With the release of their VelociRaptor 300GB SATA hard drive, mainstream users were exposed to the advantages of the high transfer rates associated with 2.5" platters rotating at 10K RPM, with four access heads pulling data. Though packed in a 3.5" form-factor for desktop system compatibility, the 2.5", dual 150GB platter platform that the VelociRaptor was built on allows it to outperform virtually all standard 3.5" SATA drives on the market today, even WD's 10K RPM Raptor WD1500 series. ____________ Source: Hothardware __________________ Please Post Your News Submissions Here

Jun 28, 2008, 12:01 AM	#3
kris23 Going Insane..... Join Date: Dec 2006 Location: Los Angeles Posts: 5,990 Rep Power: 121 System Specs	man...... i need more 7200.11s...... __________________ Hardwareheaven Super-Moderator Building a new computer system and not sure where to start? Click Here! last updated (5/18/11) Rosewill FUTURE case replaces CM 690 II with its greater interior length. Building a PC: Step by Step Guide Written by Kristopher Pedemonte and Nathan Marks-Forder Edited by Allan Campbell Questions or Comments? feel free to post them in the forums!

Jun 28, 2008, 06:36 AM	#5
kris23 Going Insane..... Join Date: Dec 2006 Location: Los Angeles Posts: 5,990 Rep Power: 121 System Specs	except transfer speed good for game loading but not soo good for fluid gameplay __________________ Hardwareheaven Super-Moderator Building a new computer system and not sure where to start? Click Here! last updated (5/18/11) Rosewill FUTURE case replaces CM 690 II with its greater interior length. Building a PC: Step by Step Guide Written by Kristopher Pedemonte and Nathan Marks-Forder Edited by Allan Campbell Questions or Comments? feel free to post them in the forums!