HP LaserJet M451dn Colour vs HP LaserJet M451dw Colour

Comparison of M451dn, M451dw

63 specifications	A HP LaserJet M451dn Colour Model M451dn View product	B HP LaserJet M451dw Colour Model M451dw View product
Input & output capacityidentical
Maximum output capacityKnown for one	—Unknown — not stated by the source	150 sheets
Paper handling2 differ
Paper tray media typesDiffers	Bond paper, Card stock, Envelopes, Glossy paper, Labels, Plain paper, Pre-printed, Recycled paper, Transparencies	Bond paper, Card stock, Coated paper, Envelopes, Glossy paper, Labels, Matte paper, Photo paper, Plain paper, Pre-printed, Recycled paper, Transparencies
Multi-purpose tray media typesDiffers	Bond paper, Envelopes, Labels, Letterhead, Plain paper, Recycled paper, Transparencies	Bond paper, Envelopes, Labels, Letterhead, Plain paper, Preprinted forms, Recycled paper, Transparencies
Ports & interfaces1 differ
Standard interfacesDiffers	Ethernet, USB 2.0	Ethernet, USB 2.0, Wireless LAN
Network1 differ
Wi-FiDiffers	No	Yes
Wi-Fi standardsKnown for one	—Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Sustainabilityidentical
Sustainability certificatesKnown for one	—Unknown — not stated by the source	ENERGY STAR

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.