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#1
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Corsair vs Kingston USB
Which of those USB drives would you go for for use with Linux, if it
really matters: USB2 CORSAIR 4096MB FLASH DRIVE $69.00 (CAN) Storage Capacity 4 GB Compatibility Non-specific Interface Type Hi-Speed USB Features Waterproof Expansion / Connectivity Interfaces 1 x USB - 4 pin USB Type A Miscellaneous Included Accessories USB cable, lanyard Compliant Standards Plug and Play Software / System Requirements Software Included Drivers & Utilities OS Required Apple MacOS X / MacOS 9, Linux 2.4 or later, Microsoft Windows 98/ME/2000/XP Service & Support 10 years warranty DRIVE USB2 KINGSTON 4096MB DT $59.00 (CAN) Storage Capacity 4 GB Compatibility Non-specific Interface Type Hi-Speed USB Expansion / Connectivity Interfaces 1 x Hi-Speed USB - 4 pin USB Type A Software / System Requirements OS Required Microsoft Windows 2000, Microsoft Windows XP SP1 or later, Apple MacOS X 10.x or later, Microsoft Windows Vista Service & Support 5 years warranty Service & Support Details Limited warranty - 5 years |
#2
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Corsair vs Kingston USB
On Thu, 22 Mar 2007 17:48:51 -0500, Yugo wrote:
Which of those USB drives would you go for for use with Linux, if it really matters: USB2 CORSAIR 4096MB FLASH DRIVE $69.00 (CAN) Storage Capacity 4 GB Compatibility Non-specific Interface Type Hi-Speed USB Features Waterproof Expansion / Connectivity Interfaces 1 x USB - 4 pin USB Type A Miscellaneous Included Accessories USB cable, lanyard Compliant Standards Plug and Play Software / System Requirements Software Included Drivers & Utilities OS Required Apple MacOS X / MacOS 9, Linux 2.4 or later, Microsoft Windows 98/ME/2000/XP Service & Support 10 years warranty DRIVE USB2 KINGSTON 4096MB DT $59.00 (CAN) Storage Capacity 4 GB Compatibility Non-specific Interface Type Hi-Speed USB Expansion / Connectivity Interfaces 1 x Hi-Speed USB - 4 pin USB Type A Software / System Requirements OS Required Microsoft Windows 2000, Microsoft Windows XP SP1 or later, Apple MacOS X 10.x or later, Microsoft Windows Vista Service & Support 5 years warranty Service & Support Details Limited warranty - 5 years So what's the problem - $10 is $10. |
#3
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Corsair vs Kingston USB
Yugo wrote:
Which of those USB drives would you go for for use with Linux, if it really matters: Either should be fine. I think Kingston is a better brand but that is only my opinion... |
#4
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Corsair vs Kingston USB
On Thu, 22 Mar 2007 17:48:51 -0500, Yugo
wrote: Which of those USB drives would you go for for use with Linux, if it really matters: USB2 CORSAIR 4096MB FLASH DRIVE $69.00 (CAN) Storage Capacity 4 GB Compatibility Non-specific Interface Type Hi-Speed USB Features Waterproof Expansion / Connectivity Interfaces 1 x USB - 4 pin USB Type A Miscellaneous Included Accessories USB cable, lanyard Compliant Standards Plug and Play Software / System Requirements Software Included Drivers & Utilities OS Required Apple MacOS X / MacOS 9, Linux 2.4 or later, Microsoft Windows 98/ME/2000/XP Service & Support 10 years warranty DRIVE USB2 KINGSTON 4096MB DT $59.00 (CAN) Storage Capacity 4 GB Compatibility Non-specific Interface Type Hi-Speed USB Expansion / Connectivity Interfaces 1 x Hi-Speed USB - 4 pin USB Type A Software / System Requirements OS Required Microsoft Windows 2000, Microsoft Windows XP SP1 or later, Apple MacOS X 10.x or later, Microsoft Windows Vista Service & Support 5 years warranty Service & Support Details Limited warranty - 5 years You left out the most important detail - the rated read and write speeds. If the manufacturers don't even list the read and write speeds, assume they are incredibly slow compared to most modern USB drives, and that you should find another alternative that has a good write speed (since write speed is a larger variable, some may have similar read speeds but writing may be a larger difference among different drives). For a 4GB drive, those prices look high but I realize that's Canadian $, what does it translate into in USD? If the exchange rate is around 1.55:1, in the US we can get a 4GB drive with 15MB/s write for about $34 after rebate which is about $40 CAN?. http://www.newegg.com/Product/Produc...82E16820227145 I would use that as a reference point, plus with a drive that large it would take quite a long time to utilize all that space if the write and read speeds aren't fairly high. |
#5
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Corsair vs Kingston USB
On Fri, 23 Mar 2007 02:58:56 -0400, kony
wrote: If the exchange rate is around 1.55:1, in the US we can get a 4GB drive with 15MB/s write for about $34 after rebate which is about $40 CAN?. Edit: meant exchange rate of 1.15:1 |
#6
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Corsair vs Kingston USB
Yugo writes:
kony wrote: You left out the most important detail - the rated read and write speeds. Aren't they standard for USB2 ? You're thinking of the interface speed. The read/write speed of the actual chips can be much lower. Another thing to look at is the actual capacities of the units. The real storage capacity is usually 10-15% under the labeled amount, even if 1k=1000. -- Måns Rullgård |
#7
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Corsair vs Kingston USB
kony wrote:
You left out the most important detail - the rated read and write speeds. Aren't they standard for USB2 ? If the exchange rate is around 1.55:1, in the US we can get a 4GB drive with 15MB/s write for about $34 after rebate which is about $40 CAN?. http://www.newegg.com/Product/Produc...82E16820227145 It's not Corsair or Kingston, tough. |
#8
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Corsair vs Kingston USB
Måns Rullgård wrote:
Yugo writes: kony wrote: You left out the most important detail - the rated read and write speeds. Aren't they standard for USB2 ? You're thinking of the interface speed. The read/write speed of the actual chips can be much lower. Oopsie, daisy, I didn't knwo that. I'll check. What is considered a good R/W spped ? Another thing to look at is the actual capacities of the units. The real storage capacity is usually 10-15% under the labeled amount, even if 1k=1000. 1k=1000 bytes seems pretty standard... for disks now, but how is the additional 10-15% justified? |
#9
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Corsair vs Kingston USB
Anton Ertl wrote:
Yugo writes: Oopsie, daisy, I didn't knwo that. I'll check. What is considered a good R/W spped ? Beyond 25MB/s. - anton According to this: USB supports three data rates: * A Low Speed rate of up to 1.5 Mbit/s (187.5 kB/s) that is mostly used for Human Interface Devices (HID) such as keyboards, mice, and joysticks. * A Full Speed rate of up to 12 Mbit/s (1.5 MB/s). Full Speed was the fastest rate before the USB 2.0 specification and many devices fall back to Full Speed. Full Speed devices divide the USB bandwidth between them in a first-come first-served basis and it is not uncommon to run out of bandwidth with several isochronous devices. All USB Hubs support Full Speed. * A Hi-Speed rate of up to 480 Mbit/s (60 MB/s). Hubs, even Hi-Speed hubs, serving a number of non-hi-speed devices, are likely to divide up a total bandwidth of 12 Mbit/s for such devices, which will slow them down unless the hub has transaction translator for each port. [3] Though Hi-Speed devices are commonly referred to as "USB 2.0" and advertised as "up to 480 Mbit/s", not all USB 2.0 devices are Hi-Speed. Hi-speed devices typically only operate at half of the full theoretical (60 MB/s) data throughput rate. The maximum rate currently (2006) attained with real devices is about half, 30 MB/s.[4] Most hi-speed USB devices typically operate at much slower speeds, often about 3 MB/s overall, sometimes up to 10-20 MB/s. The USB-IF certifies devices and provides licenses to use special marketing logos for either "Basic-Speed" (low and full) or Hi-Speed after passing a compliancy test and paying a licensing fee. All devices are tested according to the latest spec, so recently-compliant Low Speed devices are also 2.0. http://en.wikipedia.org/wiki/USB So, yes, above 25 MB/s should be pretty good. I suppose I'll have to pay a visit to Tom's hardware to learn more. Followups set to originals |
#10
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Corsair vs Kingston USB
On Fri, 23 Mar 2007 15:13:16 -0500, Yugo
wrote: Måns Rullgård wrote: Yugo writes: kony wrote: You left out the most important detail - the rated read and write speeds. Aren't they standard for USB2 ? You're thinking of the interface speed. The read/write speed of the actual chips can be much lower. Oopsie, daisy, I didn't knwo that. I'll check. What is considered a good R/W spped ? Another thing to look at is the actual capacities of the units. The real storage capacity is usually 10-15% under the labeled amount, even if 1k=1000. 1k=1000 bytes seems pretty standard... for disks now, but how is the additional 10-15% justified? No, 1K is never standard. When it's kiloBYTES, it is a binary system and data is stored on it in this system so 1K is 1024. Capacity is a descriptor of (in this context) a data storage device. The capacity represented must necessarily be equal to that in it's sole use- to store the data. There is no OS that stores 1K as 1000 bytes. A good read/write speed depends on the price, the fastest drives cost the most of course. For a 4GB drive I would not get anything under the 15MB/s write speed I mentioned previously. Ignore read speed, it is always faster and not as much of a variable as write speed... unless you had a particular use where you only write very few times but are continually reading that data, in which case you might justify the cost savings. Often they will be rated for (n)X speed, like 60X, 133X, 150X. n = 150K/s read speed. This tends to be a primary part of the product description, but as mentioned above you would want to read the fine print as to what write speeds they spec, and more often than not, if no write speed is listed you might be getting one of the slowest write speeds of any current generation model. |
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