Product comparison · 2 scanners

Brother ADS-3350W scanner ADF scanner vs Brother DS-940DWE scanner Sheet-fed scanner

32specifications compared
15differ
17identical
37known for one product only

Key differences

The Brother ADS-3350W scanner ADF scanner has 0.16 mm more card thickness (max) than the Brother DS-940DWE scanner Sheet-fed scanner (1.4 mm vs 1.24 mm). The Brother DS-940DWE scanner Sheet-fed scanner has 0.01 W more power consumption (off) than the Brother ADS-3350W scanner ADF scanner (0.11 W vs 0.1 W). The Brother DS-940DWE scanner Sheet-fed scanner has 19 mm more width than the Brother ADS-3350W scanner ADF scanner (319 mm vs 300 mm). Scanner type: ADF scanner on the Brother ADS-3350W scanner ADF scanner, Sheet-fed scanner on the Brother DS-940DWE scanner Sheet-fed scanner. Display: TFT on the Brother ADS-3350W scanner ADF scanner, LED on the Brother DS-940DWE scanner Sheet-fed scanner.

Scanner type
- ADS-3350W scanner ADF scanner:ADF scanner
- DS-940DWE scanner Sheet-fed scanner:Sheet-fed scanner
Display
- ADS-3350W scanner ADF scanner:TFT
- DS-940DWE scanner Sheet-fed scanner:LED
Maximum ISO A-series paper size
- ADS-3350W scanner ADF scanner:A3
- DS-940DWE scanner Sheet-fed scanner:A4
Card thickness (max)
- ADS-3350W scanner ADF scanner:1.4 mm
- DS-940DWE scanner Sheet-fed scanner:1.24 mm
Power supply type
- ADS-3350W scanner ADF scanner:AC
- DS-940DWE scanner Sheet-fed scanner:USB/Battery
Power consumption (off)
- ADS-3350W scanner ADF scanner:0.1 W
- DS-940DWE scanner Sheet-fed scanner:0.11 W
Width
- ADS-3350W scanner ADF scanner:300 mm
- DS-940DWE scanner Sheet-fed scanner:319 mm
Depth
- ADS-3350W scanner ADF scanner:216 mm
- DS-940DWE scanner Sheet-fed scanner:45.4 mm

Side by side

Differences highlightedShow differences only

Comparison of ADS-3350W, DS-940DWE
69 specifications	A Brother ADS-3350W scanner ADF scanner Model ADS-3350W View product	B Brother DS-940DWE scanner Sheet-fed scanner Model DS-940DWE View product
Scanningidentical
Output greyscale depthKnown for one	Unknown — not stated by the source	8 bit
Scan speedKnown for one	Unknown — not stated by the source	4 sec/page
Maximum scan sizeKnown for one	51 x 5000 mm	Unknown — not stated by the source
Design2 differ
Scanner typeDiffers	ADF scanner	Sheet-fed scanner
DisplayDiffers	TFT	LED
Control typeKnown for one	Unknown — not stated by the source	Buttons
Display diagonalKnown for one	6.86 cm (2.7")	Unknown — not stated by the source
Colour displayKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
Daily duty cycle (max)Known for one	Unknown — not stated by the source	100 pages
Maximum duty cycleKnown for one	Unknown — not stated by the source	2000 pages per month
Scan toDiffers	E-mail, E-mail Server, OCR, Image, File, FTP, USB, Network folder, Cloud	PC, Memory card, E-mail
Scan driversKnown for one	Unknown — not stated by the source	TWAIN, WIA
Sound pressure level (max)Known for one	Unknown — not stated by the source	53 dB
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD, MicroSD (TransFlash)
Internal memoryKnown for one	512 MB	Unknown — not stated by the source
Paper handling3 differ
Maximum ISO A-series paper sizeDiffers	A3	A4
Scanning media types supportedDiffers	Plain paper, Thin paper, Thick paper, Business Card, Recycled paper, Plastic Card	Plastic Card, Plain paper, Business Card, Photo paper
Card thickness (max)Differs	1.4 mm	1.24 mm
ISO A-series sizes (A0...A9)Known for one	A3, A4	Unknown — not stated by the source
LegalKnown for one	Yes	Unknown — not stated by the source
LetterKnown for one	Yes	Unknown — not stated by the source
Media thickness (min)Known for one	0.25 mm	Unknown — not stated by the source
Ports & interfacesidentical
USB versionKnown for one	Unknown — not stated by the source	3.2 Gen 1 (3.1 Gen 1)
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-C
Network1 differ
Security algorithmsDiffers	64-bit WEP, 128-bit WEP, WPA-TKIP, WPA-AES, WPA-PSK, WPA2-PSK, WPA2-AES, WPA3	SSL/TLS, 64-bit WEP, 128-bit WEP, WPA-PSK, WPA2-PSK, TKIP, AES
Wi-Fi DirectKnown for one	Unknown — not stated by the source	Yes
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Power2 differ
Power supply typeDiffers	AC	USB/Battery
Power consumption (standby)Known for one	Unknown — not stated by the source	2.3 W
Power consumption (off)Differs	0.1 W	0.11 W
Battery typeKnown for one	Unknown — not stated by the source	Built-in battery
Power consumption (typical)Known for one	25 W	Unknown — not stated by the source
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
Weight & dimensions4 differ
WidthDiffers	300 mm	319 mm
DepthDiffers	216 mm	45.4 mm
HeightDiffers	191 mm	63.1 mm
WeightDiffers	2.7 kg	699 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Package widthKnown for one	Unknown — not stated by the source	377 mm
Package depthKnown for one	Unknown — not stated by the source	162 mm
Package heightKnown for one	Unknown — not stated by the source	76 mm
Package weightKnown for one	Unknown — not stated by the source	1.07 kg
Packaging contentidentical
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
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium
System requirements2 differ
Mac operating systems supportedDiffers	Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 11.0 Big Sur	Mac OS 26 Tahoe, Mac OS X 15.0 Sequoia, Mac OS X 14.0 Sonoma
Mobile operating systems supportedKnown for one	Unknown — not stated by the source	Android, iOS, iPadOS
Server operating systems supportedDiffers	Windows Server 2016, Windows Server 2022, Windows Server 2019	Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025
Operational conditionsidentical
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Input capacityidentical
Auto document feeder (ADF) input capacityKnown for one	60 sheets	Unknown — not stated by the source

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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