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Seagate, AMD Show Blazing Fast SATA 3

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1:20 PM - March 9, 2009 by Devin Connors

For the last few years, SATA 2 has been the hard drive connection standard of choice for non-server markets. Offering up to 3 Gbps (300 MB/sec.) of (theoretical) speed has been adequate for many. However, Seagate, AMD and SATA-io believe the time for SATA 3 has come.

During a demonstration at the Everything Channel Xchange Conference in New Orleans, Seagate demoed the new 6 Gbps SATA 3 standard. According to the demo, the SATA2 drive (a 7200.12 Barracuda) topped out around 288 MB/sec, running just below the standards top theoretical speed. The SATA 3 drive, a Seagate Barracuda SATA 3 prototype, reached a staggering 589 MB/sec, more than double the speed of the SATA 2 setup.

"The increasing reliance of consumers and businesses worldwide on digital information is giving rise to gaming, digital video and audio, streaming video, graphics and other applications that require even more bandwidth, driving demand for PC interfaces that can carry even more digital content," said Joan Motsinger, Seagate's VP of Personal Systems Marketing and Strategy. "The SATA 6Gb/second storage interface will meet this demand for higher-bandwidth PCs."

New standards always make consumers nervous. New standards, in some cases, mean new hardware and new cables. In the case of SATA 3, the new drives will be 100 percent backwards compatible with SATA 1 and 2, and will use the same cables for easy integration. So if you find yourself with a new motherboard that sports SATA 3, hooking up an older SATA 2 hard drive packed with all your music and photos will be a snap.

According to the SATA-io website, SATA 3 (or SATA Revision 3.0) will be available in the first half of this year. AMD has said it plans to support the new standard with an upcoming revision of its 700 series chipsets. While no word from Intel has been received, expect SATA 3 on several chipset revisions as well as the new P55 motherboards coming out in a few months.

Source : Tom's Hardware US

Talkback
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makotech222 03/09/2009 7:50 PM
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excellent. more speed for future ssds

loneeagle 03/09/2009 8:03 PM
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This will be good for RAID-0 SSD! But not for that long... Using the newest SSD and RAID-0, you can already bust that 589MB/sec.

garydale 03/09/2009 8:23 PM
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While some people tout this as being great for SSDs, and it probably is, it appears that it will also give HD manufacturers some incentive to come out with faster drives. While the drives currently are running nowhere near their peak throughput, they do hit it sometimes. SATA-3 appears to give them enough headroom for future growth.

Anonymous 03/09/2009 8:50 PM
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While SATA 3 chugs along at decent pace where is my non-draft 802.11n?! :(

eklipz330 03/09/2009 9:27 PM
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ill resist from buying a sata 3 and get one of those pcie 2.0 ssd's... o man those are effin fast

Blessedman 03/09/2009 9:48 PM
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but unbootable ekilpz.

hellwig 03/09/2009 10:02 PM
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I think the fact that WD's Raptor line stuck with SATA 1.0 until the Velociraptor last year shows that in general, the world doesn't need faster SATA. If the fastest harddrive for 2 years never needed 3.0Gbps, how long until we need 6Gbps?

This is probably just a ploy to prevent people from switching to USB 3.0. 5Gpbs? That's nothing compared to our 6Gpbs, so please, don't switch your harddrives over to USB 3.0. Pretty please?

nekatreven 03/09/2009 11:22 PM
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hellwig :
I think the fact that WD's Raptor line stuck with SATA 1.0 until the Velociraptor last year shows that in general, the world doesn't need faster SATA. If the fastest harddrive for 2 years never needed 3.0Gbps, how long until we need 6Gbps? This is probably just a ploy to prevent people from switching to USB 3.0. 5Gpbs? That's nothing compared to our 6Gpbs, so please, don't switch your harddrives over to USB 3.0. Pretty please?



I'd have to agree with that second part. Although, SATA port management and boot configuration tends to be a little better integrated into the bios on most systems, so that may also deter an all-out switch to usb. I'd always thought usb was more stressing on the cpu anyway. Then again there is still the point that there aren't that many mainstream parts that could take advantage of 6.0 or even 5.0gbps. I do disagree there though...I don't think it will be so long until we do have affordable parts that are that fast.

MoUsE-WiZ 03/09/2009 11:44 PM
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hellwig :
If the fastest harddrive for 2 years never needed 3.0Gbps, how long until we need 6Gbps?


Why do you think OCZ is connecting the Z drive directly to a PCIe slot instead of sticking with SATA interface? It's because their forums are full of people hitting a bottle kneck with 3Gbps SATA with very obvious potential to bottle kneck at 6Gbps in the not very far future.

foxman 03/09/2009 11:54 PM
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Please don't call this SATA 3. There is nothing like SATA 3. The correct name is SATA 6 Gbit/s. Now everyone is confused with the nomentaclature, where you don't know if someone talking about SATA 3 is taking about SATA 3 Gbit/s or SATA 6 Gbit/s. I HATE ALL OF YOU!!! ;)

And 6 Gbit/s is per SATA link and not as whole, loneeagle.

IzzyCraft 03/10/2009 12:01 PM
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hellwig :
I think the fact that WD's Raptor line stuck with SATA 1.0 until the Velociraptor last year shows that in general, the world doesn't need faster SATA. If the fastest harddrive for 2 years never needed 3.0Gbps, how long until we need 6Gbps? This is probably just a ploy to prevent people from switching to USB 3.0. 5Gpbs? That's nothing compared to our 6Gpbs, so please, don't switch your harddrives over to USB 3.0. Pretty please?


Maybe i am wrong but those drives just before last year where being beat in throughput in and out the main benefit of the drives in being fast was low seek time which makes fragmented data transfers alot faster in competing hard drives. Which is why i buy seagate over WD due to their drives at 7200 has better random seek times then wd

ossie 03/10/2009 12:56 PM
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just another little exercise in benchmarketing?
since when is 7200.12 getting 288MB/s?

hellwig 03/10/2009 2:32 AM
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IzzyCraft :
Maybe i am wrong but those drives just before last year where being beat in throughput in and out the main benefit of the drives in being fast was low seek time which makes fragmented data transfers alot faster in competing hard drives. Which is why i buy seagate over WD due to their drives at 7200 has better random seek times then wd


I meant that in their time, the Raptors were fastest for a couple years, not the last couple years. Yes, they were beat by conventional drives later in their life.

hellwig 03/10/2009 2:37 AM
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MoUsE-WiZ :
Why do you think OCZ is connecting the Z drive directly to a PCIe slot instead of sticking with SATA interface? It's because their forums are full of people hitting a bottle kneck with 3Gbps SATA with very obvious potential to bottle kneck at 6Gbps in the not very far future.


Mouse-Wiz, OCZ is connecting a SATA RAID controller to PCIe. That new PCIe card is 4 SSD drives in RAID configuration, with a RAID controller inside. Each individual drive still uses only a regular SATA 3Gbps connection. Therefore, no individual drive needs more than the 3Gbps.

You might be thinking of that new Fusion ioDrive, which is such a specialized and expensive piece of hardware, I wouldn't count on it moving the mass storage market forward any time soon.

master exon 03/10/2009 4:10 AM
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hellwig :
I think the fact that WD's Raptor line stuck with SATA 1.0 until the Velociraptor last year shows that in general, the world doesn't need faster SATA. If the fastest harddrive for 2 years never needed 3.0Gbps, how long until we need 6Gbps? This is probably just a ploy to prevent people from switching to USB 3.0. 5Gpbs? That's nothing compared to our 6Gpbs, so please, don't switch your harddrives over to USB 3.0. Pretty please?



We don't need conspiracy theories on the subject. USB3 and SATAIII have been in the works for quite a while. Both have their own separate specializations.

Tindytim 03/10/2009 10:21 AM
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I find this rather silly.

They double the speed, then demo a drive that can max it out? The technology should give us improvements that we won't immediately max out.

duzcizgi 03/10/2009 10:49 AM
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hellwig :
I think the fact that WD's Raptor line stuck with SATA 1.0 until the Velociraptor last year shows that in general, the world doesn't need faster SATA. If the fastest harddrive for 2 years never needed 3.0Gbps, how long until we need 6Gbps? This is probably just a ploy to prevent people from switching to USB 3.0. 5Gpbs? That's nothing compared to our 6Gpbs, so please, don't switch your harddrives over to USB 3.0. Pretty please?



No need for conspiracy, hellwig. USB performance is tightly dependent to the performance of the CPU. It's a host controlled system and a high performance USB device can easily get an i7 to its knees very easily.
So, USB III, although promises 5Gbit/second, it's very unlikely to achieve that performance with current systems.

bumskins 03/10/2009 11:23 AM
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I call total bullshit on the hard drive speed. Thats not a sustained hard drive speed.

bumskins 03/10/2009 11:43 AM
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bumskins :
I call total bullshit on the hard drive speed. Thats not a sustained hard drive speed.



I should of been more specific, I doubt that the hard drive got that performance. And that's the thing, these speed increases aren't to cater for single devices but rather external raid, etc.

hellwig 03/10/2009 4:13 PM
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[citation][nom]duzcizgi[/nomIt's a host controlled system and a high performance USB device can easily get an i7 to its knees very easily.[/citation]
Woah, now who's starting conspiracy theories. USB3.0 will cripple your Core i7? Unlikely, how would they even develop a technology no standard computer is capable of running?

All I'm saying is, USB3.0 was introduced September, 2007. SATA 6Gbps wasn't introduced until July, 2008. Now SATA is going to possibly beat USB3 into the market? I know USB is slacking here, but I think USB3.0 vs. SATA 6Gbps is less conspiracy than USB3.0 being designed to cripple your computer.

duzcizgi 03/10/2009 4:41 PM
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@hellwig:
Well, USB is a host controlled system which doesn't support DMA since USB 1.0. It's cheap and each data transfer needs CPU attention.
Try to make a 5Gbit/sec memcopy using CPU and see the CPU utilization. No conspiracy here. By design USB is cheap and doesn't support DMA. Even USB 2.0 480 Mbit/sec translates to approx. 20 MB/sec ~= 200Mbit/sec of data transfer with today's highest end systems. I want to see how they can sustain 5 Gbit/sec, when they can't handle 0.48 Gbit/sec yet.
On the other hand, ATA, PATA, SATA has UDMA mode, which offloads CPU from data transfer, where you can get as much as interface bandwith permits.

Tindytim 03/10/2009 6:06 PM
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bumskins :
And that's the thing, these speed increases aren't to cater for single devices but rather external raid, etc.


Then these speeds are even more retarded. A single SSD can almost max out SATA 3GB. Doubling it just means they'll get to charge us more in a few years because they didn't think far enough ahead (or is this intentional?).

martin0642 03/10/2009 6:20 PM
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I think using an unspecified "drive" which is already near 600MBps to showcase is kind of lame as it basically proves we have no headroom and that the new standard is obsolete even with today's tech.

I want a standard for PCIe booting to enable each motherboard manufacturer to integrate FusionIO style local storage onto mainboards. A motherboard that comes with a 128GB 600MBps integrated SSD for the boot drive would be awesome, even more so if said drive was upgradeable/removable like the newer laptop video cards. Less wires and case mess and more speed and better power efficiency.

Soon we'll need dual x32 lanes for local storage, and I couldn't be happier.

When SSDs mature, we're going to enter into an age of computing where there aren't any moving parts and most users won't be able to tell if a PC is new or 6 years old because the speed of response will already be orders of magnitude faster than what we can register. Only certain types of games, movie rendering, and math/science type calculations will really push a system.

freak77power 03/10/2009 6:30 PM
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They should have dedicated CPU to handle USB, SATA traffic. Also they need to get rid of old ATA100/133 interface as well as PCI slots.

MoUsE-WiZ 03/10/2009 7:13 PM
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hellwig :
Mouse-Wiz, OCZ is connecting a SATA RAID controller to PCIe. That new PCIe card is 4 SSD drives in RAID configuration, with a RAID controller inside. Each individual drive still uses only a regular SATA 3Gbps connection. Therefore, no individual drive needs more than the 3Gbps.


I do not know or care much about what the internal connections of the drive are (neither do you afaik... I don't recall seeing anything specific posted). The internal connections are kind of beside the point, though.

Right now OCZ has the Apex drive on the market which is 2 RAID'd SSDs in a 2.5" enclosure with a SATA 3.0Gbps connection on the back. The Apex is not the only example of this approach being used either. There is also talk that the Vertex v2 is/was on the horizon, which would be 2 Vertex drives on RAID 0 in a single enclosure.

The thing is, the Vertex 2, if it comes into existence with the expected numbers, *WOULD* saturate a 3.0Gbps connection.

Therefore, if OCZ is going to continue ramping up the throughput of it's drives, regardless of if the method used is internal RAID or not, needs to move away from 3.0Gbps SATA connections.

Further, if the Z Drive were crammed into a 2.5" package Apex style, SATA III would still not be enough to handle its potential sequential r/w. Hence the move to the PCIe bus.

konchus 03/11/2009 12:47 PM
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ugghhhh!!! im planning a new system build and now i gotta wait for a mobo that supoorts this...im into music production and the extra bandwidth will be a major plus...i just got my federal return in the mail today!!!now i gotta hold on to it...maybe its for the good, hopefully by that time the i7 setups are a bit more affordable...i cant wait!!! i hope i dont spend the cash again like last year lol

crockdaddy 03/11/2009 8:37 PM
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Where in the real world do we ever seen anything near these speeds? Most definitely not at home. I am curious. 288MB / Sec would be phenomenally beyond belief. With no special configurations my SAS drives hit around 80 MB / sec .....

JonnyDough 03/11/2009 10:02 PM
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Master Exon :
We don't need conspiracy theories on the subject. USB3 and SATAIII have been in the works for quite a while. Both have their own separate specializations.



Yeah, but wouldn't it be nice to have one standard for both internal and external drives? Why not power internal drives through the motherboard SATA header? We should make E-Sata 2.0 standard and do away with both USB and SATA-6gbps

JonnyDough 03/11/2009 10:03 PM
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Crockdaddy, your SAS drives are about to become a thing of the past - at least when it comes to booting and server apps. Move them over for SSD.

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