ND-3520A is the first model in the market who can write both DVD -R and DVD +R in dual layers, which was previously was only possible in the DVD +R9 format. With ND-3520A it is now possible for rewritable RW discs to be burned with the highest speed so far in the market, 8x for DVD +RW and 6x for DVD-RW respectively. The speed of writing with dual layers is 4x.
An amazing 8.5 GB can be stored on a dual-layer disc. The large storage capacity makes the writer suitable for users who wish to quickly and simply store films, music and other volumes of data in a flexible way. A one-hour DVD video can be recorded in six minutes with the ND-3520A, irrespective of the DVD format. NEC also implemented its own developed buffer under run error prevention technology.
The ND-3520 takes advantage of an enhanced version of NEC's own AOPC technology (Active Optimum Power Control), which adjusts the laser effect in real time so as to achieve optimal readability. The ND-3520A is backwards compatible