Need some technical advice

I just found a card reader online that suits all my needs for my xl and I was wondering if this would work. So to the tech heads could you please help me out. http://www.ultraproducts.com/applicatio ... u=ULT40366

No, that one is not going to work.

Ultra ULT40366 3.5" Floppy Drive with Multi Card Reader
Get the steadfast performance you’ve been yearning for with Ultra’s versatile floppy drive with media card reader! Are you someone whose hands are full with digital media cards of all shapes and sizes? Well, Ultra delivers the solution with this multi-faceted device. Reading your media cards has never been this easy with its blistering fast USB interface. This USB 2.0 Internal Media Drive is supported by Windows 98/SE/ME/2000/XP/7 32 Bit and reads your 3.5” Floppy Disks in an effective fashion.

and that's why it won't work, you need to read deeper next time.