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49-port USB hub
u_rebelscum:
Cool, but...
* Too much $$$
* 49?!? A little too much for most people IMO, except lab or Q/A testing. Maybe a 12 port hub at $60. Or a 24 hub at $80. But see next two.
* 49!?! One (quality) thumbdrive can top out the USB 2.0 bandwidth or a single root host (at effect 30 MB/s; 480 Mb/s / 8 bits/byte * 1/2 dulplex = 60 MB/s / 2 = 30 MB). 30 MB/s divided by 49 results in ~0.6 MB/s per device (assuming even distribution, of course). So adding 48 other devices to that same 480 Mbit/s max bandwidth won't speed things up in total throughput.
* 49 usb 2.0 and 1.1? If you plug one 1.1 device in there, all others will drop to 1.1 speeds, or 1/40th the speed of usb 2.0.
So I'll pass. But a USB 3.0 12 port hub, OTOH.... Even better, a 12 port, 3-4 virtual root host, usb 2.0 hub that talks to the computer over usb 3.0.
thecheat:
--- Quote from: u_rebelscum on August 31, 2009, 05:03:27 pm ---Cool, but...
* Too much $$$
* 49?!? A little too much for most people IMO, except lab or Q/A testing. Maybe a 12 port hub at $60. Or a 24 hub at $80. But see next two.
* 49!?! One (quality) thumbdrive can top out the USB 2.0 bandwidth or a single root host (at effect 30 MB/s; 480 Mb/s / 8 bits/byte * 1/2 dulplex = 60 MB/s / 2 = 30 MB). 30 MB/s divided by 49 results in ~0.6 MB/s per device (assuming even distribution, of course). So adding 48 other devices to that same 480 Mbit/s max bandwidth won't speed things up in total throughput.
* 49 usb 2.0 and 1.1? If you plug one 1.1 device in there, all others will drop to 1.1 speeds, or 1/40th the speed of usb 2.0.
So I'll pass. But a USB 3.0 12 port hub, OTOH.... Even better, a 12 port, 3-4 virtual root host, usb 2.0 hub that talks to the computer over usb 3.0.
--- End quote ---
You're taking it way too literally.
hypernova:
--- Quote from: drventure on August 31, 2009, 01:01:01 pm ---Yowza! That'd be great if it weren't 400... Doh, how do you make a pound sign on an US keyboard!? :dizzy:
--- End quote ---
#
:D
Malenko:
I think he meant £
hold ALT and press 0163 on your number pad
Ummon:
--- Quote from: thecheat on August 31, 2009, 05:45:21 pm ---
--- Quote from: u_rebelscum on August 31, 2009, 05:03:27 pm ---Cool, but...
* Too much $$$
* 49?!? A little too much for most people IMO, except lab or Q/A testing. Maybe a 12 port hub at $60. Or a 24 hub at $80. But see next two.
* 49!?! One (quality) thumbdrive can top out the USB 2.0 bandwidth or a single root host (at effect 30 MB/s; 480 Mb/s / 8 bits/byte * 1/2 dulplex = 60 MB/s / 2 = 30 MB). 30 MB/s divided by 49 results in ~0.6 MB/s per device (assuming even distribution, of course). So adding 48 other devices to that same 480 Mbit/s max bandwidth won't speed things up in total throughput.
* 49 usb 2.0 and 1.1? If you plug one 1.1 device in there, all others will drop to 1.1 speeds, or 1/40th the speed of usb 2.0.
So I'll pass. But a USB 3.0 12 port hub, OTOH.... Even better, a 12 port, 3-4 virtual root host, usb 2.0 hub that talks to the computer over usb 3.0.
--- End quote ---
You're taking it way too literally.
--- End quote ---
Not if that is a real, and sold, device.