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help with ram

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help with ram

Post by itzjohn on Wed Jun 01, 2011 10:48 pm



so i have 8gb of ram.

i drag like a 50 gb of videos to my external hard drive and it take like 4ever.

I was wonder is there a way to increase the usage of my ram. look at the picture it's only using 2gb.
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Re: help with ram

Post by eafd on Wed Jun 01, 2011 11:02 pm

ram isn't going to help transfer speed over USB (i'm assuming it's USB).
given the fastest USB transfer rate possible is 60 MB/s, and you're transferring 50GB at the maximum speed

that's 50GB > 51200MB
51200/60MB/s = 853 seconds
853 seconds = ~14 minutes

that's at the theoretical limit.
although, it's more likely that your HDD transfers at between 30MB/s - 50 MB/s peak.
i'd put the average time to transfer 50GB is between 30 minutes and an hour
that would take a lot longer.

if you had a drive fast enough to max out USB 3.0
that would be a transfer rate of 640MB/s
so your 50 gigabytes of videos would transfer in just a few minutes

and LOL. my uptime is usually 2 or 3 days

it took me almost 10 hours to back up my 190 GBs worth of stuff, mainly because there are small files.
keep in mind that if you have a bunch of small files, transfer speed is going to suffer a lot.

your computer will automatically use as much ram as it needs to. making it use more ram to transfer your files doesn't help, because all those videos have to go through that USB connection eventually. the USB connection is your bottleneck.

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Re: help with ram

Post by itzjohn on Thu Jun 02, 2011 1:07 am

oOo ok thanks.
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Re: help with ram

Post by DaddyAshuu on Thu Jun 02, 2011 2:39 am

eafd wrote:ram isn't going to help transfer speed over USB (i'm assuming it's USB).
given the fastest USB transfer rate possible is 60 MB/s, and you're transferring 50GB at the maximum speed

that's 50GB > 51200MB
51200/60MB/s = 853 seconds
853 seconds = ~14 minutes

that's at the theoretical limit.
although, it's more likely that your HDD transfers at between 30MB/s - 50 MB/s peak.
i'd put the average time to transfer 50GB is between 30 minutes and an hour
that would take a lot longer.

if you had a drive fast enough to max out USB 3.0
that would be a transfer rate of 640MB/s
so your 50 gigabytes of videos would transfer in just a few minutes

and LOL. my uptime is usually 2 or 3 days

it took me almost 10 hours to back up my 190 GBs worth of stuff, mainly because there are small files.
keep in mind that if you have a bunch of small files, transfer speed is going to suffer a lot.

your computer will automatically use as much ram as it needs to. making it use more ram to transfer your files doesn't help, because all those videos have to go through that USB connection eventually. the USB connection is your bottleneck.

Yup..what he said...

USB is slooooowww as fak...

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Re: help with ram

Post by itzjohn on Thu Jun 02, 2011 5:01 am

DaddyAshuu wrote:
eafd wrote:ram isn't going to help transfer speed over USB (i'm assuming it's USB).


Yup..what he said...

USB is slooooowww as fak...

then what is fast as fak?
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Re: help with ram

Post by DaddyAshuu on Thu Jun 02, 2011 5:55 pm

Make sure your computer has USB 3.0 and the external drive is 3.0 that way you would have true 3.0 compatibility, if you look on Newegg you can get a 3.0 card and external 3.0 drive for a little over maybe 120.00...if not, attach another Internal Sata drive..


Last edited by DaddyAshuu on Thu Jun 02, 2011 9:37 pm; edited 2 times in total

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Re: help with ram

Post by VenArch on Thu Jun 02, 2011 8:36 pm

Get SSD drives?

Get a new motherboard, CPU, RAM, blahblahblah, just to use USB 3.0

Or, understand that RAM won't make your transfer rates faster.

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Re: help with ram

Post by eafd on Fri Jun 03, 2011 1:52 am

it's going to take some time without upgrading your connection. eSata, firewire 800, thunderbolt, and USB 3.0 are all faster than your USB 2.0 drive and connection

eSata- annoying because it doesn't carry power. pretty darn fast, but of limited use because not many computers have this connector

FW 800- slowest of the bunch. also, many computers don't have FW800

Thunderbolt- perhaps the fastest of the bunch, yet the most proprietary. chances are it won't be too popular, but time will tell.

USB 3.0- second or third fastest (depends on which version of eSata you're talking about), by far the most common and easiest to use. USB 3 FTW Very Happy

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Re: help with ram

Post by VenArch on Fri Jun 03, 2011 1:53 am

who uses firewire anymore...

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Re: help with ram

Post by eafd on Fri Jun 03, 2011 2:07 am

nobody, even apple's abandoning it XD

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