Get Print Speeds up to 42 ppm and a fast first page out. Quickly process complex files.Extend capabilities with a memory slot and optional paper trays. Add HP or partner solutions via two internal accessory ports, an EIO slot, and a hardware integration pocket.

Secure all confidential and business-critical data. Ensure only authorized
individuals have access by entering a private PIN at the 10-key pad.

Enjoy print speeds up to 42 pages per minute (ppm), letter and a first page out in as fast as 7.5 seconds. Instant-on
Technology provides up to a 50 percent faster warm-up time from low-power mode,2 and up to 50 percent energy
savings over competitive laser products.
Quickly process and share large, complex files with a 540 MHz processor, up to 640 MB expandable memory,
and gigabit networking. Help prevent unauthorized network admission with 802.1X, which provides device
authentication prior to admission.

HP Laserjet Enterprise P3015n Printer Specs here