|Item model number||LRW307URBNA|
|Hardware Platform||PC, Mac|
|Item Weight||5.6 ounces|
|Product Dimensions||4.7 x 1.3 x 5.5 inches|
|Item Dimensions L x W x H||4.65 x 1.3 x 5.5 inches|
Lexar Dual Slot USB 3.0 Reader Professional LRW307URBNA
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- Leverages SuperSpeed USB 3.0 technology for high-speed file transfers, with a USB interface speed up to 500MB/s
- Ultimate high-speed performance to accelerate digital workflow
- Maximizes speed and bandwidth of USB 3.0 computers, and supports the latest UDMA CompactFlash (including UDMA 7), SDXCTM, and SD UHS-I (SD 3.0) card formats
- Enables concurrent and card-to-card file transfers
- Pop-up design protects card slots when not in use
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This item Lexar Dual Slot USB 3.0 Reader Professional LRW307URBNA
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|Sold By||Available from these sellers||GCI Store||Amazon.com||TheImagingWorld||Roberts LP||Paradise Memory Co|
|Hardware Connectivity||USB 3.0, USB 3.0||USB 3.0||USB||USB 3.0||USB||USB 3.0, USB 3.0|
|Item Dimensions||1.3 x 4.65 x 5.5 in||2.07 x 3.67 x 0.63 in||1.77 x 2.66 x 0.6 in||2.87 x 4.21 x 4.13 in||3.62 x 11.38 x 8.27 in||2.6 x 2.8 x 0.5 in|
The Lexar Professional USB 3.0 Dual-Slot Reader is a professional-level, portable USB reader that leverages SuperSpeed USB 3.0 technology to deliver blazing-fast transfer speeds from card to computer, with a USB interface speed up to 500MB/s (reads up to 5 times faster than USB 2.0). It lets you leverage the performance capabilities of the latest UDMA CompactFlash (CF) (including UDMA 7 CF 6.0) and SD, SDHC, SDXC, and SD UHS-I (SD 3.0) memory cards. The reader is also compatible with standard CF and SD cards and USB 2.0, and includes a five-year limited warranty.
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I also use this reader along with high speed, large capacity SDXC cards (e.g., 128 GB or 256 GB) as external solid state "hard" drives to expand the storage capacity of my Macintosh system. While newer Mac systems already have a slot that accepts an SDXC card, this reader permits using a second SDXC card at the same time. For example, large iPhoto or iTunes files can be stored here and read directly with the Lexar card reader. Using this option, your onboard computer storage would not become exhausted with the thousands of files that these applications can process. Be sure to first use Disk Utility to re-format these cards to OS X Extended (Journaled) format and then move files to them. I have not tested this device with Windows systems, but suspect that it could be used similarly. Maybe another reviewer could address these applications.
The USB 3.0 interface cable also allows you to quickly connect the reader to any compatible smart TV and Roku devices to play digital media (e.g., mp4, jpg files) used apart from the computer or digital camera. Since some devices (e.g., SONY Bluray players) are sensitive to the type of card formatting that will be accepted, consult your User manuals for requirements. The reader itself should not be sensitive to the particular formatting that is used. If a read error does occur, then first verify the card formatting requirements.
Update_2012-07-14: I purchased one from B&H Photo & Video. Same thing happened. Box says UDMA 7 support (sticker) and barcode on bottom says LRW307URBNA. Inside, the unit has a model # of LRW300U. I was very curious how this happened again, so I called Lexar tech support instead of email. Well I immediately was on the line with someone who knew what they were talking about. The unit needs a firmware update. The only change from the LRW300 to LRW307 is firmware, so even if you have a LRW300, you can update it. I now raise my rating. Thanks
Update 2013-11-22: Please disregard previous reviews. It was the manufacturers fault to not update their packaging and just place stickers on the box, but everything is fine. Love the reader.
Without having a USB 3.0 computer I'm getting USB 2.0 speeds, BUT with the faster Lexar UDMA7 CF card, my I/O speed has jumped considerably.
I would say using USB 2.0 with this unit AND a UDMA7 1000x I'm getting roughly 1.5x the read speed of other cards not rated at UDMA7 1000x. Then again, I'm not sure it's the unit that's delivering the speed, or even the COMBO of the unit and the card - I think it's just the card alone.
And I'm also reading that not all USB 3.0 ports are actually delivering "blistering speeds" compared to 2.0 - it seems to vary from computer brand to brand. Not sure what that's all about.
Lexar vs Sandisk
I have been surprised to find that even seemingly well made, name brand readers fail. So not to overgeneralize about brand, please note that I have many good Sandisk cards. None has disappointed me. That is not true for my three Sandisk card readers. The first was slow and cheap--my mistake. The other two including the ImageMate SDDR-92 appeared to be solid and were faster. I still use the more sturdy one, Sandisk Extreme FireWire Reader as a back-up for now. But both of them froze and far too often, did so multiple times during just a single download. They also lost files but so few as a percentage that it is statistically insignificant. Ironically the very slow, cheap Sandisk reader never froze. At least the cards all tested out and they have been a good investment. Nonetheless, if you have had better experiences and intend to buy a Sandisk USB 3.0 reader, the following model is the least expensive of all similar models from the three competing companies that I list below, SanDisk ImageMate All-In-One USB 3.0 Reader/Writer SDDR-289-X20,White.
In contrast, my Lexar reader, is a welcome success! It was intended to solve the issue of reliability and it has. No problems--even on USB 2.0 laptops. It is fast, reliable and unique in that its design protects its components from moisture and dust. The plastic itself appears susceptible to damage from drops or bumps but I have no direct evidence. Frankly, I am so happy to have one that works every time that I am not bothered. I can be careful. I also may be overly suspicious of its plastic. It will certainly come up in other reviews if it is a real problem. The complexity none of us can compensate for in such reviews is that our individual experiences are used to stand for something in general. It is not necessarily so. That is why collective reviews are so (potentially) helpful. On the other hand, two strikes for one individual (and other colleagues that helped me test them) can be sufficient to reach a conclusion. I was probably just unlucky with my Sandisk readers but I will not buy another. No hard feelings, Sandisk.
Lexar vs Hoodman
There are always trade offs. The other model I seriously considered, Hoodman Ruggedized Raw Steel Superspeed USB 3.0 UDMA Card Reader - Hoodman RAWUSB3 is more solid looking and it also reads qualified CF and SD cards at the same remarkable speed rating as the Lexar. It will become my new back-up unit. I simply prefer the Lexar's design. Since I do not have one I can't rate the Hoodman's performance or reliability--yet. As an aside, I can tell you that IMO Hoodman makes the very best digital memory cards you can buy and they are priced accordingly.
Free UDMA7 Firmware Update Available Online
For maximum speed and compatibility, both the Lexar and Hoodman card readers can receive firmware updates like the current UDMA7 from their respective companies' websites. You will notice that Lexar has a Firmware Upgrade Tool. It is easy to do: basically you download and install. Just follow instructions. It can take several minutes. Make sure that you remove all memory cards first.
Controversy Over Where is My Model LRW307URBNA That is Listed on Amazon and is on My Box?
Well meaning reviewers have been concerned about a possibly meaningful discrepancy between advertised model listings on the box and on the product page being different from what is on the models they receive. Do not worry. There is no serious problem distinguishing between these Lexar model numbers. However, I do applaud the Amazon members who were vigilant and observant enough to initially spot this discrepancy. Part of it apparently was a packing and labeling error. As far as I know, if you receive USB 3.0 Dual-Slot Reader model # LRW300U instead, simply get the above firmware update and you will be equally current. There is nothing else that distinguishes one from the other. In fact, that is the case for my purchase.