






🚀 Scan smarter, not harder — your mobile office just got an upgrade!
The Brother DS-640 Compact Mobile Document Scanner is a powerhouse for professionals on the move, delivering fast 16ppm color and B&W scans in a sleek, ultra-portable design under 12 inches and 1.5 pounds. USB 3.0 powered for true mobility, it supports multiple platforms and advanced image optimization features including OCR and bleed-through prevention, making it perfect for seamless document digitization anywhere, anytime.










| ASIN | B09G4YDBXZ |
| Best Sellers Rank | #3,299 in Office Products ( See Top 100 in Office Products ) #3 in Document Scanners |
| Brand | Brother |
| Color Depth | 48, 24 |
| Connection Type | USB |
| Connectivity Technology | USB |
| Customer Reviews | 4.3 out of 5 stars 6,517 Reviews |
| Greyscale Depth | 8-bit |
| Item Dimensions D x W x H | 2.2"D x 11.9"W x 1.4"H |
| Item Type Name | Mobile Scanner |
| Item Weight | 1 Pounds |
| Manufacturer | Brother |
| Media Type | Business Card, Laminated Card, Plain Paper, Plastic Card, Receipt |
| Minimum System Requirements | Windows 7 |
| Model Name | Compact |
| Optical Sensor Technology | CCD |
| Product Dimensions | 2.2"D x 11.9"W x 1.4"H |
| Resolution | 300 |
| Scanner Type | Business Card, Document |
| Standard Sheet Capacity | 1 |
| UPC | 012502664093 |
| Warranty Description | 1-year limited warranty |
| Wattage | 2.5 watts |
C**G
great for single (slightly/occasional multi) page scans
Works great with the associated software and drivers (you'll see people complaining that the software doesn't do XYZ specialty feature, but it works for the average user perfectly fine). You can scan as many pages as you want, but it gets tedious if you're doing more than say 5 pages with much regularity since you're loading them one at a time. It's a great product for what most people probably use it for. If you do a lot of multi-page scanning with regularity, you'll want something that feeds from the top.
F**R
Works great easy set up on the computer.
I am scanning hundreds of old pictures, this thing is amazing. Extremely good quality brings those old film pictures back to life so you can save them on a hard drive or a computer CD.
D**T
Compact, Works Great, Flawless
This little scanner is really a good machine. It fits in my laptop - backpack and has been flawless for nearly 5 years of ownership and monthly use.
J**S
Read if you have a computer with only USB-C Ports
As we transition to a digital age, I have the same amount of paperwork but more requirements for online submission. I wanted something that could quickly scan to my computer without dealing with the slow "scanning" ability on my iPhone, and this fits the bill once I got it set up. I have a Silicon MacBook, so I only have USB-C ports, which normally isn't a problem as I have hubs that adapt. This scanner would not register at all on my single USB-A to USB-C hub or my larger hub; I had to order a separate USB 3.0 to USB-C cable. You can technically run it with a standard micro USB, but I'm not sure if that's good for the machine, so heads up if you have a computer without direct USB-A access. The scanner itself so far has been great; with the right cable it connects very easily. It scans very quickly and is very quiet. This version only has single-side scanning, but it scans fast enough that it's not a big deal to flip the paper. The accompanying software (downloaded from online) makes it extremely easy to put together a multipage PDF and export it to multiple locations. It's smaller than I thought it would be, and very lightweight, so it's a great size for what it does. The fact that it can scan ID-size cards is another great feature. This is going to be a huge time saver for me, especially as I aim to reduce the size of my file folders and convert things to digital files for a faster workflow. I can't speak on durability yet as I only just purchased it, but being a Brother brand item, I don't have any fears it won't last.
P**S
Glowing Review ~ 2.5 Years Post-Purchase
I purchased this scanner about 2 and a half years ago and it continues to work flawlessly... This is impressive as I admittedly purchased this portable on-the-go scanner for a very different task - to digitize all the documents in my filing cabinet from the last 30 years. The initial wave included around 5000 documents soooo no question it has paid itself off. To be honest, at this point, there isn't much I haven't tried feeding through this thing - credit cards, sparkly greeting cards, supplement cardboard box packaging, etc. so I'm continually impressed it hasn't broken. When theres an issue (feeding documents too quickly, a paper jam, etc) the indicator light blinks red and, as far as I know, to remedy this you lift the top portion and close it... I've had to do this many times (which is not to say it malfunctions often) but each time it sounds/feels like the act alone should break the thing. The only bummer to me is the scanning length limitation. While the width limitation is a given due to the physical dimensions of the scanner, the documents are fed through and each individual scan is limited to around 14". That is, it stops feeding through at a certain point and if the item hasn't cleared, you get the red indicator light and the image isn't processed. Other things I like: + the cord is detachable + I was able to download and operate the supporting software on my dinosaur 2011 mac air + the software has a continuous feed feature to scan multiple documents in a row (without having to interact with the software between pages)
A**.
Scans nice when it works, but tends to blue screen on Windows 11
As other's have mentioned, this scanner can result in frequent blue screen events. When it does work, it scans well. I scanned a total of 3 documents, each time, I experienced a blue screen on Windows 11. What happens, is that if you leave it connected after the scan, Windows seems not to like that, and retaliates with the dreaded blue screen. And that's only about a minute or so after you scan something, so if you have another sheet queued up to scan, you'll be out of luck. On the third instance of this, my machine complained badly after the blue screen, and on reboot, went into safe mode, and took a few minutes to boot, when normally it boots in about 20 seconds. Pros: 1. Scans well if you can get past the blue screen that frequently happens. 2. The resolution can go quite high, but it's finicky and makes you change other settings each time you scan. 3. It's fast and impressive 4. It's compact, easy to tuck out of the way into a desk drawer 5. It would be almost perfect if not for the blue screen issue. Cons: 1. Tends to blue screen on Windows 11, as others have mentioned. 2. The On/Off button is sensitive and finicky Overall, this device is completely unacceptable, I did not find any fixes or upgraded drivers on the Brother site. I purchased this scanner, but tucked it away, still in it's box for while before using it, so the return window has closed. $100 is not a lot for a scanner, but still, that's a nice chunk of change to loose on a defective item. I intend to contact Brother and request a complete refund, siting the multiple mentions of blue screen events here on Amazon. I'll update this post as that process proceeds.
L**S
For work
Interfaces with my ehr for scanning paperwork in and is super easy to use. The setup was a bit tedious but once we got past that it works great. Its small and lightweight and just what I needed.
M**1
I love this mobile scanner
This has worked so good for me and when it scans the documents you can see it so well. This is everything
S**C
Space saving.
Good replacement for my flat bed scanner. Easy to setup (just connect cable) and takes very little space on my desktop. Document feeding takes a bit of practice and can be difficult if the document is not flat.
P**E
Fantastic scanner
Works great, small and easy to use and very fast too.
L**S
Muito bom
Excelente, estou comprado o segundo
P**E
Escaneo de alta calidad!!!
Decidí a comprar éste escáner ya que la marca en sí, es garantía; y no me equivoqué. La calidad del documento es muy buena y lo hace en cuestión de segundos :) Yo requiero escanear documentos en tamaño legal y este escáner sí lo hace. 10 de 10
M**A
Excelente equipo
Me ayudó a resolver y reemplazar el otro equipo que llegó al final de su vida útil, una buena oportunidad y calidad de equipo, hasta el momento muy bien, Solo que la semana pasada pasada estuvo más barato del precio adquirido hace dos semanas
Trustpilot
2 weeks ago
3 weeks ago