0ur opinion:

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Max out the memory in your GPS unit with this data card. lt holds up to 64 megabytes of data from MapSource CD-R0Ms so you can download street-level map detail, points of interest, business addresses and phone numbers, topographic information and more.

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Use this 64 MB data card to bring street-level map and navigational detail to your Garmin global positioning system unit. Download map data from Garmin MapSource CD-R0Ms to your PC, then transfer to the data card. Data transfers can be performed with the card inserted in the Garmin GPS unit or using Garmin's USB data card programmer (sold separately). The USB data card programmer downloads map information in seconds and saves your GPS unit's battery power.

These cards can be used with Garmin GPS units including StreetPilot, ColorMap, eMap, and GPSMAP 295 models. MapSource CDs are available for the U.S., Canada, and many European countries. This card comes with a one-year warranty.


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Buyer's feedback: - * good! ...
very fast, no problem (and better:a map offered!)

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Buyer's feedback: - Great service saved the day
I have had two problems with this card that may or may not affect others. I had an old version of Mapsource that did not recognize the 64MB cards. A call to customer service pointed me to a free update. I had difficulty with the card in my unit. The unit was acting very flaky. A call to Garmin customer service resulted in getting a in Warranty repair for an old unit. Some specific older units (the StreetPilot Colormap) do not properly handle cards with greater than 16MB capacities.

Why didn't I rate 5 stars? It take 4 hours to load the card over a serial link. The USB programmer is a bit pricy but would really make life much easier. I think for my needs I can get by without it. If you need program the card often you will want it for sure.

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Buyer's feedback: - * The Jury is still out ...
I have an older streetpilot colormap. In order to be compatable with this card you have to make sure that you have updated firmware (just download it from Garmin), and a current copy of mapsource. Upgrades are available on Garmin's web site(mine was way old).
It turns out that you can load more than 8 metroguide maps. You can have as many maps as space allows. Since they aren't all 8MB this is a real plus. My unit limits you to 50 maps, but you can get a lot of Roads and Recreation maps in since they vary from 64k to 400K. Garmin has very good phone support.

I am having issues with my card though. Depending on where I am in the map set the unit will hang and sometimes shut off while navigating a route. I might just have a defective card. I will find out how Amazon handles these issues soon.

Oh yes downloading nearly 64MB takes nearly four hours. The USB interface is looking very attractive (even if it is expensive).