Review - Apple iMac 20″ - Part 8

The Optical unit present on the iMac 20 is a Pioneer/Matshita slim UJ-875 reader that has a slot-in mechanism as well. The unit is able to read DVD-ROM, DVD-VIDEO (Single/dual layer), DVR-R, DVD-RW, DVD+R (single/dual layer), DVD+RW, DVD RAM, CD-ROM, CD-ROM XA, CD-DA (CD audio), Video CD, PhotoCD (single/multisession), CD EXTRA, CD-Text, CD-R and CD-RW.

The mastering are done up to these speeds: -DVD-RAM (4.7GB) Write 5X / Read 5X; DVD-R (4.7GB) Write 8X / Read 8X; DVD-R DL (8.5GB) Write 6X / Read 8X; DVD-RW (4.7GB) Write 6X / Read 8X; +R (4.7GB) Write 8X / Read 8X; +R DL (8.5GB) Write 6X / Read 8X; +RW (4.7GB) Write 8X / Read 8X; CD-R/RW Write 24X / Read 24X; DVD-ROM Read 8X
-CD-ROM Read 24X.

For the cable network, the iMac 20″ features a Marvell Yukon 88E8058 controller, as for the WiFi, Apple trusted a Broadcom solution compatible with the 802.11n standards.