DVD R Write Speed and Media

I recently replaced my superdrive (I think due to the dreaded superdrive 2.1 update) with a Mashita DVD-R UJ-857E model. I bought some 16x DVD+R media to burn a project I am working on, and reading the package, it warns against using the discs in a drive with max write speed of 8x or less. Does anyone know if these discs will work in my drive, or should I return them for 8x media? I can't seem to find the max speed for this drive anywhere!
Thanks

Here are the current specs so yours is not likely to be any better. I use an external 16X burner due to these loping speeds.
8x slot-loading SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Maximum write: 8x DVD-R, DVD+R; 4x DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, DVD+RW; 24x CD-R; 10x CD-RW
Maximum read: 8x DVD-R, DVD+R, DVD-ROM; 6x DVD-ROM (double layer DVD-9), DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, DVD+RW; 24x CD

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