Brother HL-4070CDW. Print quality: 2400 x 600 DPI. Print speed: 20 ppm, 33 s, 20 ppm, 17 s, 16 s. Memory: 64 MB, 1x SO-DIMM. Processor: 300 MHz. Memory: 0.576 GB. Input capacity: 250 sheets, 50 sheets. Output capacity: 150 sheets. Media formats: A4, A5, A6, B5, B6. Media weight: 60 – 105 g/m2, 60 – 163g/m2. Print technology: Laser. Connectivity: IEEE 1284, USB 2.0. Networking: 10/100Base-TX, IEEE 802.11b/g, TCP/IP (IPv4 & IPv6). System requirements: Windows Vista/XP/Home/2003/2000 Mac OS X 10.2