M3027 and LaserJet Pro MFP M227sdn share specifications such as Print Technology (Laser), USB (Yes), Ethernet (Yes), Product Brand (HP).
The main differences: Printer Functions (M3027: Print; Scan; Copy, LaserJet Pro MFP M227sdn: Print, Scan, Copy); Black Print Speed A4 (M3027: 25 ppm, LaserJet Pro MFP M227sdn: 28 ppm); Print Resolution (M3027: 1200 x 1200 dpi, LaserJet Pro MFP M227sdn: 600 x 600 dpi); Automatic Duplex Printing (M3027: —, LaserJet Pro MFP M227sdn: Yes).
M3027 may suit users who need its differing values, while LaserJet Pro MFP M227sdn benefits those who need its paired strengths. Review the specs table above before deciding.