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Item#: N82E16820233551

CORSAIR Voyager LS 128GB USB 3.0 Flash Drive Model CMFLS3-128GB

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  • USB 3.0
  • 128GB

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Corsair CMFLS3-128GB

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Customer Reviews of the Corsair CMFLS3-128GB

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  • Exsomos
  • 12/21/2013 4:28:29 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDid Not Last 60 Days!!!!

Pros: Was pretty fast when working, nice design. Feels pretty solid.

Cons: Drive stopped working just after 60 days. I still have thumb drives from years ago that still work. I expected better quality out of this brand, especially when I paid close to $100 for it. I have several other Corsair brand items that perform and have lasted much longer.

Drive only responds part of the time now. You cannot delete anything or add to the drive. When you try and format, it says the disk is "write protected". I have tried several tricks, in several machines, and ports to get it to format. None of which have worked. I have read that this is a common issue with Corsair thumb drives. Only way to fix it, is to RMA. That means that I will have to send in my drive, most likely pay for shipping, AND all of my personal information is on the drive and cannot be removed. I am not comfortable sending in my personal information out to ANY company.

Other Thoughts: They need to create a program that can fix this issue. Or fix whatever is causing this. Not acceptable.

1 out of 1 people found this review helpful. Did you? Yes No

3 out of 5 eggsFair, but not the best

Pros: Love the flip-type design and the fact that the USB plug retracts into the case no plastic or rubber caps to worry about loosing. The amount of space on this is a great plus, plenty large enough to use as a back-up drive. Price point for the size is respectable. Blue activity light that isn't overly annoying... I do prefer Blue over other colors for these indicators.

Cons: As a USB 3.0 device goes the write rates are terrible. As the size would be a good choice for back-ups I could not suggest using it as such, the writing of the back-up would take an eternity in computer terms. To rule out the possibility that it could be my PC I tested the performace of this and another Corsair drive I hade from a while back that was also USB 3.0 on both Ubuntu and Windows machines... the results were quite conclusive. Could this be a firmware issue?

Other Thoughts: Well.... seems it can be read from at a reasonable rate... but it seriously lacks in the write category. For comparison I included results from a Voyager GT that I also have... and it beat the socks of this Voyager LS. I was so totally startled by the initial results of the first benchmark I did on the Voyager LS, that I had to Benchmark another 3.0 drive for comparison as I knew the numbers were off from what they should be. As benchmarked by the Disk Utility on Ubuntu 12.04 64Bit... Maximum read rates were virtually identical for both the Voyager GT and the Voyager LS USB 3.0 drives at 123.9 Mb/s and 124.5 Mb/s respectively. The Maximum write rates tell all however, with the GT peaking at 100.4 Mb/s and the LS only limping in with 49.5 Mb/s... barely performing any better than a USB 2.0 drive. I performed four tests on each drive on two different pc's one running 32Bit and one running 64Bit and I used the best of the tests for comparison and both seemed to perform the best on the 64bit box.
As benchmarked by CrystalDiskMark on my 32Bit Win7 box... the Voyager LS faired no better, doing barely half as well as the GT, with Sequential read rate of 77.25MB/s compared to the GT's 125.3MB/s and write rate of 35.95 MB/s compared to the GT's 90.92 MB/s.
If you need to archive photos or music this drive would suffice... but don't expect to transfer large files too quickly, certainly not at USB 3.0 speeds.

5 out of 5 people found this review helpful. Did you? Yes No

3 out of 5 eggsDecent Read speed, abysmal Write speed

Pros: - Aluminum protective shell
- Self-retracting USB connector when 'closing' it
- Blue LED activity light is not obnoxiously bright
- 5yr that a PRO?

Cons: - Potentially just a bit too bulky to sit it next to another USB stick if they were side by side (width-wise)
- While the self-retracting feature is nice, I still prefer physical caps to cover the interface. This particular unit only retracts it and then generally hides it behind the aluminum cover, but by no means is it enclosed. Look at the 3rd picture in the gallery above.
- Does not like all USB3 chipsets
- Significantly underwhelming write speeds. Overall average write speeds are in the 23-24MB/s ballpark. And if you work with a lot of files that are smaller than 256K, forget it! And if they're small files in a compressed format like JPG, ZIP, RAR? Hahahah! Just stop reading now because you'll be dead long before it writes 128GB of those file types.
- I'm suspicious of a 5yr warranty, meaning that it seems short. Why should these devices get such short warranties but their SDRAM gets a lifetime warranty? I can think of various reasons, none of which endow me with a sense of functional longevity for this device.

Other Thoughts: Thinking of "PROS" was a bit tough. There wasn't really anything to make it stand out from the growing field of higher capacity memory sticks.

And now the 'not so good' and outright 'bad' news.
I tested this on 3 different systems, each with a different USB3 chipset, all with the most current driver available from mfg. The stick was plugged directly into the motherboard slot or connector on the PCIe card. The following write/read numbers will be the average MB/s based on an evenly distributed sample set of files from 256K to 8MB.
PC1 is a Core i7 3930K, ASMedia USB3 chipset
Write: 25.23 --- Read: 101.62

PC2 is a Phenom II X4 975, NEC/Renesas USB3 chipset
Write: 24.06 --- Read: 114.68

PC3 is a Core2Quad Q6600, Fresco Logic FL1000 USB3 chipset
Write: 23.75 --- Read: 112.83

Average of those three sets of data... Write: 24.34MB/s --- Read: 109.71MB/s

On the Fresco Logic I was getting constant disconnect/reconnects. I have 6 other brands of USB3 devices and none of them exhibit this behavior on this controller. Although from what I can tell, as long as the drive was active, such as during benchmarking, it was fine in terms of not disconnecting.

So where does that leave us? Well, if we consider that the theoretical maximum data transfer on USB 2.0 is 480Mbit/s (60MByte/s), the read speed is definitely USB3-qualified, but it's barely working at USB2 speeds when you need to load this thing up with data. And therein lies the big rub for me. If I have 128GB that I need on a portable device, at speeds this slow, it's gonna be a one-time only gig because I don't want to wait more than once for that data to be written. And I think it's rare that MOST people truly have 128GB they're gonna store on a USB stick. Maybe for storing multiple, complete system images that have everything ready to go? Otherwise, I'll save a couple of bucks (and LOTS of time) by getting a 64GB SATA2 SSD and an external USB3 case, at the minor expense of not-quite-as-portable-but-still-pocketable size.
I have somewhat of a hard time finding a good place for USB sticks of this capacity. Yes, the size is nice, but when you objectively look at the situation, are you really going to fill all that space on a consistent basis? I don't think so.
I'd say that since the read speeds are decent, you could use this with ReadyBoost in the Win7/8 environment. But I'd still have a hard time deciding to use this instead of a smaller capacity USB stick. The only other use I can think of off the top of my head would be for long term storage instead of using Blu-Ray discs or (much more less-expensive per MB) conventional HDDs.

Overall this unit gets 3-eggs. The irritatingly slow write speed coupled with questionable functionality across all USB3 chipsets definitely take it down a couple notches. If I really needed this much external capacity, I'd kick in another $22 or so and get a 120GB SSD & a USB3 external case. (Example: N82E16820211602 + N8

5 out of 5 people found this review helpful. Did you? Yes No

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