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Windows 7: NEC increases USB 3.0 speeds by 3 to 16Gb/s

27 Feb 2010   #11
A320

Win 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by JonM33 View Post
Quote   Quote: Originally Posted by whs View Post
Yeah, but you have to have a device that can make use of all that good speed. That's why eSata was never very popular. The disks did not transfer any faster because the channel is fast.
eSATA was never popular because it needs a proprietary connection, in some cases needed ACHI to be enabled in the BIOS for hot-swap capability, has a very limited cable length and was overall a pain in the rear. It had nothing to do with performance.

USB 3.0 is completely backwards compatible with current USB 2.0 ports and on USB 3.0 offers nearly identical internal transfer rates. It's the same as USB 2.0's positives and none of the negatives (slow transfer rate, all devices are on a hub and share bandwidth, etc).
Not disagreeing with you but merely interested in sparking some constructive debate. I am curious as to why in your opinions eSata will be less desirable than USB3.0?

Obviously I may be a bit impartial since I use an eSata HD for my backing up and transferring around. I agree with what you said about AHCI being a requirement but don't most modern day boards have AHCI available now?

I can understand that using USB3.0 with perhaps an SSD would show an advantage since SSD can accomdate the higher speeds but I would have to assume now that external hard drives will have to be redesigned now to provide the greater bandwith USB3.0 can accomodate. What I mean by this, in my case for example, my external HD is simply a regular 3.5" internal 1TB WD 'Green' drive, coupled with a 'Rosewill' enclosure that provides both eSata and USB2.0 connections out. If you intend on building your own external HD's in the future still utilizing a regular SATAII HD like I have in this case, even if the enclosure's are designed with USB3.0 out, you won't get any faster transfer speeds than an eSata if you consider that the internal drive is still just a SATAII drive. Are you following or have I minced everything up yet?!

Of course as time goes on, and prices continue to drop sharply like they always do with computer technology, I have a feeling we will be buying 500GB SSD's for under $200 and placing those in an enclosure to create an external HD.


My System SpecsSystem Spec
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27 Feb 2010   #12
JonM33

Windows 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by A320 View Post
Not disagreeing with you but merely interested in sparking some constructive debate. I am curious as to why in your opinions eSata will be less desirable than USB3.0?

Obviously I may be a bit impartial since I use an eSata HD for my backing up and transferring around. I agree with what you said about AHCI being a requirement but don't most modern day boards have AHCI available now?
No. I'd say that most motherboards don't even have eSATA. I can dig out a big list of P55 motherboards that don't even have it. My Abit IP35-E (P35) doesn't even have ACHI in the BIOS. There are very few OEM systems (Dell, HP) that actually have eSATA too.

Quote   Quote: Originally Posted by A320 View Post
I can understand that using USB3.0 with perhaps an SSD would show an advantage since SSD can accomdate the higher speeds but I would have to assume now that external hard drives will have to be redesigned now to provide the greater bandwith USB3.0 can accomodate. What I mean by this, in my case for example, my external HD is simply a regular 3.5" internal 1TB WD 'Green' drive, coupled with a 'Rosewill' enclosure that provides both eSata and USB2.0 connections out. If you intend on building your own external HD's in the future still utilizing a regular SATAII HD like I have in this case, even if the enclosure's are designed with USB3.0 out, you won't get any faster transfer speeds than an eSata if you consider that the internal drive is still just a SATAII drive. Are you following or have I minced everything up yet?!
No, I have no idea what you are trying to claim. I am not saying that USB 3.0 will be faster than eSATA. I am saying that it is more compatible, offers hot-swap natively via the interface (regardless of the motherboard) and has a better future than eSATA.
My System SpecsSystem Spec
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 NEC increases USB 3.0 speeds by 3 to 16Gb/s




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