Product comparison · 2 scanners

Brother ADS-4550W ADF scanner vs Brother DS-940DWE scanner Sheet-fed scanner

43specifications compared
24differ
19identical
51known for one product only

Key differences

Scanner type
- ADS-4550W ADF scanner:ADF scanner
- DS-940DWE scanner Sheet-fed scanner:Sheet-fed scanner
Product colour
- ADS-4550W ADF scanner:Black, White
- DS-940DWE scanner Sheet-fed scanner:White
Control type
- ADS-4550W ADF scanner:Buttons, Touch
- DS-940DWE scanner Sheet-fed scanner:Buttons
Daily duty cycle (max)
- ADS-4550W ADF scanner:5250 pages
- DS-940DWE scanner Sheet-fed scanner:100 pages
Maximum duty cycle
- ADS-4550W ADF scanner:105000 pages per month
- DS-940DWE scanner Sheet-fed scanner:2000 pages per month
Scan drivers
- ADS-4550W ADF scanner:SANE, TWAIN, WIA
- DS-940DWE scanner Sheet-fed scanner:TWAIN, WIA
Sound pressure level (max)
- ADS-4550W ADF scanner:59 dB
- DS-940DWE scanner Sheet-fed scanner:53 dB
Card thickness (max)
- ADS-4550W ADF scanner:1.32 mm
- DS-940DWE scanner Sheet-fed scanner:1.24 mm

Side by side

Differences highlightedShow differences only

Comparison of ADS-4550W, DS-940DWE
94 specifications	A Brother ADS-4550W ADF scanner Model ADS-4550W View product	B Brother DS-940DWE scanner Sheet-fed scanner Model DS-940DWE View product
Scanningidentical
ADF scan speed (b/w, A4)Known for one	35 ppm	Unknown — not stated by the source
ADF scan speed (colour, A4)Known for one	35 ppm	Unknown — not stated by the source
Duplex ADF scan speed (b/w, A4)Known for one	70 ipm	Unknown — not stated by the source
Duplex ADF scan speed (colour, A4)Known for one	70 ipm	Unknown — not stated by the source
Greyscale levelsKnown for one	Unknown — not stated by the source	256
Scan speedKnown for one	Unknown — not stated by the source	4 sec/page
Design3 differ
Scanner typeDiffers	ADF scanner	Sheet-fed scanner
Product colourDiffers	Black, White	White
Display diagonalKnown for one	7.11 cm (2.8")	Unknown — not stated by the source
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Colour displayKnown for one	Yes	Unknown — not stated by the source
Control typeDiffers	Buttons, Touch	Buttons
DisplayKnown for one	Unknown — not stated by the source	LED
Performance5 differ
Scan file formatsKnown for one	JPEG, PDF, TIFF	Unknown — not stated by the source
Daily duty cycle (max)Differs	5250 pages	100 pages
Maximum duty cycleDiffers	105000 pages per month	2000 pages per month
Scan toDiffers	E-mail Server, FTP, Image, Network folder, PC, SMB, USB	PC, Memory card, E-mail
Scan driversDiffers	SANE, TWAIN, WIA	TWAIN, WIA
Sound pressure level (max)Differs	59 dB	53 dB
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD, MicroSD (TransFlash)
Input capacityidentical
Auto document feeder (ADF) input capacityKnown for one	60 sheets	Unknown — not stated by the source
Paper handling2 differ
Scanning media types supportedDiffers	Business Card, Plain paper, Plastic Card, Recycled paper, Thick paper, Thin paper	Plastic Card, Plain paper, Business Card, Photo paper
Long-paper modeKnown for one	Yes	Unknown — not stated by the source
ISO A-series sizes (A0...A9)Known for one	A3, A4	Unknown — not stated by the source
Card thickness (max)Differs	1.32 mm	1.24 mm
Auto Document Feeder (ADF) media weightKnown for one	40 - 200 g/m²	Unknown — not stated by the source
Maximum ISO A-series paper sizeKnown for one	Unknown — not stated by the source	A4
Ports & interfacesidentical
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-C
Network1 differ
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Security algorithmsDiffers	64-bit WEP, 128-bit WEP, EAP-FAST, EAP-MD5, EAP-TLS, EAP-TTLS, PEAP, SMTP-AUTH, SNMPv3, SSL/TLS, TLS, WPA-PSK, WPA-PSK2, WPA3-SAE, WPS	SSL/TLS, 64-bit WEP, 128-bit WEP, WPA-PSK, WPA2-PSK, TKIP, AES
Mobile printing technologiesKnown for one	Apple AirPrint, Brother Mobile Connect	Unknown — not stated by the source
IPv6 supportKnown for one	Yes	Unknown — not stated by the source
Supported network protocols (IPv4)Known for one	DHCP, APIPA (Auto IP), WINS/NetBIOS, DNS Resolver, mDNS, SNMPv1/v2c/v3, ICMP, Web Services (Scan), HTTP/HTTPS server, LLMNR responder, SNTP Client	Unknown — not stated by the source
Supported network protocols (IPv6)Known for one	RA, DNS Resolver, mDNS, LLMNR responder, Web Services(Scan), SNTP Client, HTTP/HTTPS server, ICMPv6	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Power2 differ
Power consumption (typical)Known for one	25 W	Unknown — not stated by the source
Power supply typeDiffers	DC	USB/Battery
Power consumption (off)Differs	0.1 W	0.11 W
AC input frequencyKnown for one	50/60 Hz	Unknown — not stated by the source
Input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Power consumption (sleep)Known for one	1.7 W	Unknown — not stated by the source
Output currentKnown for one	1.9 A	Unknown — not stated by the source
Output voltageKnown for one	24 V	Unknown — not stated by the source
Auto power offKnown for one	Yes	Unknown — not stated by the source
Battery typeKnown for one	Unknown — not stated by the source	Built-in battery
Weight & dimensions4 differ
WidthDiffers	300 mm	319 mm
DepthDiffers	630 mm	45.4 mm
HeightDiffers	290 mm	63.1 mm
WeightDiffers	2.7 kg	699 g
Folded widthKnown for one	30 cm	Unknown — not stated by the source
Folded depthKnown for one	15.4 cm	Unknown — not stated by the source
Folded heightKnown for one	15.8 cm	Unknown — not stated by the source
Packaging data4 differ
Package widthDiffers	391 mm	377 mm
Package depthDiffers	243 mm	162 mm
Package heightDiffers	320 mm	76 mm
Package weightDiffers	4.5 kg	1.07 kg
Packaging content1 differ
Warranty cardKnown for one	Yes	Unknown — not stated by the source
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
ADF paper chuteKnown for one	Yes	Unknown — not stated by the source
Cables includedDiffers	AC, USB	USB
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Batteries includedKnown for one	Unknown — not stated by the source	No
Bundled softwareKnown for one	Unknown — not stated by the source	Windows Software(Brother iPrint&Scan, Kofax Power PDF Standard v5, Remote Setup), Macintosh Software(Brother iPrint&Scan Desktop, Remote Setup)
Packaging contentKnown for one	Unknown — not stated by the source	USB cable, Quick setup guide, Product safety guide, Warranty, Device
System requirements2 differ
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedDiffers	Yes	Mac OS 26 Tahoe, Mac OS X 15.0 Sequoia, Mac OS X 14.0 Sonoma
Server operating systems supportedDiffers	Windows Server 2016, Windows Server 2019, Windows Server 2022	Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025
Mobile operating systems supportedKnown for one	Unknown — not stated by the source	Android, iOS, iPadOS
Other featuresidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Compliance certificatesKnown for one	GS mark, RoHS	Unknown — not stated by the source
Custom media widthKnown for one	50.8 - 215.9 mm	Unknown — not stated by the source
Maximum media lengthKnown for one	5 m	Unknown — not stated by the source
Maximum scan resolutionKnown for one	1200 x 1200 DPI	Unknown — not stated by the source
Product dimensions when closed (WxDxH)Known for one	300 x 216 x 191 mm	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium

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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