HP Pro 400 M401a vs HP Pro 400 M401d

Comparison of Pro 400 M401a, Pro 400 M401d

52 specifications	A HP Pro 400 M401aView product	B HP Pro 400 M401dView product
Printing1 differ
Colour	No	No
Print technology	Laser	Laser
Duplex printingDiffers	No	Yes
Maximum resolution	1200 x 1200 DPI	1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)	33 ppm	33 ppm
Time to first page (black, normal)	8 s	8 s
Features1 differ
Maximum duty cycle	50000 pages per month	50000 pages per month
Recommended duty cycle	750 - 3000 pages per month	750 - 3000 pages per month
Printing colours	Black	Black
Number of print cartridges	1	1
Page description languagesDiffers	PCL 5e, PCL 6, PDF 1.7, PostScript 3	PCL 5, PCL 6, PDF 1.7, PostScript 3
Input & output capacityidentical
Total number of input trays	2	2
Total input capacity	250 sheets	250 sheets
Total output capacity	150 sheets	150 sheets
Multi-Purpose tray	Yes	Yes
Multi-Purpose tray input capacity	50 sheets	50 sheets
Maximum number of input trays	3	3
Maximum output capacity	150 sheets	150 sheets
Paper handlingidentical
Maximum ISO A-series paper size	A4	A4
Paper tray media types	Bond paper, Card stock, Envelopes, Labels, Plain paper, Pre-printed, Recycled paper, Transparencies	Bond paper, Card stock, Envelopes, Labels, Plain paper, Pre-printed, Recycled paper, Transparencies
ISO A-series sizes (A0...A9)	A4, A5, A6	A4, A5, A6
JIS B-series sizes (B0...B9)	B5	B5
Ports & interfacesidentical
Standard interfaces	USB 2.0	USB 2.0
USB 2.0 ports quantity	1	1
Networkidentical
Wi-Fi	No	No
Ethernet LAN	No	No
Network ready	No	No
Mobile printing technologies	Not supported	Not supported
Performanceidentical
Internal memory	128 MB	128 MB
Maximum internal memory	128 MB	128 MB
Processor frequency	800 MHz	800 MHz
Designidentical
Product colour	Black	Black
Built-in display	Yes	Yes
Display	LCD	LCD
Display number of lines	2 lines	2 lines
Poweridentical
Power consumption (printing)	570 W	570 W
Power consumption (standby)	7.3 W	7.3 W
Power consumption (off)	0.1 W	0.1 W
AC input voltage	220 - 240 V	220 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
System requirementsidentical
Windows operating systems supported	Yes	Yes
Mac operating systems supported	Yes	Yes
Linux operating systems supportedKnown for one	Yes	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	15 - 32.5 °C	15 - 32.5 °C
Storage temperature (T-T)Known for one	-20 - 40 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)	30 - 70%	30 - 70%
Storage relative humidity (H-H)Known for one	10 - 90%	—Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions1 differ
Width	364.6 mm	364.6 mm
Depth	368 mm	368 mm
Height	267.5 mm	267.5 mm
WeightDiffers	10.1 kg	10.7 kg

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.