Plugged item in and item turns on and fan runs. That is all the testing that has been done. Sold as parts, and as is.
Smart & Friendly CD-SpeedWriter Plus Internal 4x CD-RW Drive NEW Old Stock
• Write at 4x • ReWrite at 2x • Playback at 24x. Smart and Friendly CD-SpeedWriter Plus internal drive (still in anti-static bag). • Internal IDE CD-Recorder with CD-RW rewritability. Software bundle: Adapteec Easy CD Creator, Sonic Foundry tools, PowerQuest Drive Image, and more (on CDs).