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Product comparison · 2 laser printers

HP LaserJet M451dw Colour vs HP Pro 300 M351a

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  • 55specifications compared
  • 19differ
  • 36identical
  • 26known for one product only

Key differences

  • Print speed (black, normal quality, A4/US Letter)
    • 21 ppm
    • 18 ppm
  • Maximum duty cycle
    • 40000 pages per month
    • 30000 pages per month
  • Recommended duty cycle
    • 2000
    • 1500
  • Non-ISO print media sizes
    • Executive, Legal, Letter
    • Letter
  • Custom media width
    • 76 - 126 mm
    • 76 - 127 mm
  • Wi-Fi
    • Yes
    • No
  • Ethernet LAN
    • Yes
    • No
  • Network ready
    • Yes
    • No

Side by side

Differences highlightedShow differences only
81 specifications
A

HP

LaserJet M451dw Colour

Model M451dw

View product
B

HP

Pro 300 M351aView product
Printing1 differ
ColourYesYes
Print technologyLaserLaser
Maximum resolution600 x 600 DPI600 x 600 DPI
Print speed (black, normal quality, A4/US Letter)Differs21 ppm18 ppm
Time to first page (black, normal)17 s17 s
Time to first page (colour, normal)17 s17 s
Duplex printingKnown for oneYes
Print speed (colour, normal quality, A4/US Letter)Known for one21 ppm
Features2 differ
Maximum duty cycleDiffers40000 pages per month30000 pages per month
Recommended duty cycleDiffers20001500
Printing coloursBlack, Cyan, Magenta, YellowBlack, Cyan, Magenta, Yellow
Page description languagesPCL 5c, PCL 6, PostScript 3PCL 5c, PCL 6, PostScript 3
Number of print cartridgesKnown for one4
Input & output capacityidentical
Total number of input trays22
Total input capacity250 sheets250 sheets
Total output capacity150 sheets150 sheets
Multi-Purpose trayYesYes
Multi-Purpose tray input capacity50 sheets50 sheets
Maximum number of input trays33
Maximum output capacity150 sheets150 sheets
Maximum input capacityKnown for one550 sheets
Paper handling3 differ
Maximum ISO A-series paper sizeA4A4
Maximum print size216 x 356 mm216 x 356 mm
Paper tray media typesDiffersBond paper, Card stock, Coated paper, Envelopes, Glossy paper, Labels, Matte paper, Photo paper, Plain paper, Pre-printed, Recycled paper, TransparenciesBond paper, Card stock, Envelopes, Glossy paper, Labels, Matte paper, Photo paper, Plain paper, Recycled paper, Transparencies
ISO A-series sizes (A0...A9)A4, A5, A6A4, A5, A6
ISO B-series sizes (B0...B9)Known for oneB5, B6
ISO C-series sizes (C0...C9)Known for oneC5, C6
Non-ISO print media sizesDiffersExecutive, Legal, LetterLetter
JIS B-series sizes (B0...B9)Known for oneB5, B6
Envelopes sizesKnown for oneC5, C6, DL
Borderless printing media sizesKnown for oneLegal, Letter
Custom media widthDiffers76 - 126 mm76 - 127 mm
Custom media length216 - 356 mm216 - 356 mm
Paper tray media weightKnown for one60 - 220 g/m²
Multi-purpose tray media typesKnown for oneBond paper, Envelopes, Labels, Letterhead, Plain paper, Preprinted forms, Recycled paper, Transparencies
Ports & interfaces1 differ
Standard interfacesDiffersEthernet, USB 2.0, Wireless LANUSB 2.0
USB 2.0 ports quantity11
Network4 differ
Wi-FiDiffersYesNo
Ethernet LANDiffersYesNo
Network readyDiffersYesNo
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)Not supported
Performanceidentical
Internal memory128 MB128 MB
Maximum internal memory384 MB384 MB
Compatible memory cardsKnown for oneNot supported
Built-in processorKnown for oneYes
Processor modelKnown for one1
Processor frequency600 MHz600 MHz
Sound pressure level (printing)Known for one51 dB
Design1 differ
Product colourDiffersBlack, WhiteBlack, Grey
DisplayLCDLCD
CertificationKnown for oneCISPR 22: 2005+A1/EN 55022: 2006+A1 B, EN 61000-3-2: 2006, EN 61000-3-3: 2008, EN 55024: 1998+A1+A2, FCC 47 CFR, B9254-2008, EMC 2004/108/EC w/ CE, IEC 60950-1, EN 60950-1+A11 (EU), IEC 60825-1, GS, EN 60825-1
Power2 differ
Power consumption (printing)Differs425 W410 W
Power consumption (standby)Known for one3 W
Power consumption (PowerSave)Differs15.2 W15.7 W
Power consumption (off)0.5 W0.5 W
AC input voltageKnown for one100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
System requirements2 differ
Windows operating systems supportedYesYes
Mac operating systems supportedYesYes
Linux operating systems supportedYesYes
Server operating systems supportedDiffersWindows Server 2003, Windows Server 2003 x64, Windows Server 2008Windows Server 2003, Windows Server 2008
Minimum RAM1024 MB1024 MB
Minimum processorDiffers1GHz1 GHz
Minimum storage drive space400 MB400 MB
Operational conditions1 differ
Operating temperature (T-T)Differs59 - 86 °F15 - 30 °C
Storage temperature (T-T)-20 - 40 °C-20 - 40 °C
Operating relative humidity (H-H)10 - 80%10 - 80%
Storage relative humidity (H-H)Known for one20 - 70%
Sustainabilityidentical
Sustainability certificatesENERGY STARENERGY STAR
Weight & dimensions2 differ
WeightDiffers23.6 kg22.7 kg
Dimensions (WxDxH)Differs405 x 484 x 322 mm405 x 454 x 322 mm
Packaging dataidentical
Package weightKnown for one27 kg
Packaging contentidentical
Drivers includedYesYes
Other featuresidentical
Mac compatibilityYesYes
DVD/CD printingKnown for oneNo
Internal modemKnown for oneNo
LegalKnown for oneYes
Power LEDYesYes
Stand-by LEDYesYes
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u
Networking featuresKnown for oneFast Ethernet

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.

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