Brother
The Brother DS-640 is an ultra‑compact, USB‑powered mobile scanner that delivers 600 dpi optical resolution and 16 ppm speed, handling single sheets, receipts, business cards and plastic IDs up to 72 inches long. It’s designed for on‑the‑go professionals and light‑to‑moderate SOHO scanning needs.
Pros
Current
$90.30
Average
$87.45
Lowest
$54.99
Highest
$234.59
Lower = better sales rank
DocketPort
Doxie
plustek
Epson
Epson
Reli.
trohestar
plustek
AMBIR
EDIAG
Brother
VIISAN
Canon
Canon
Doxie
CZUR
Epson
Epson
Epson
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Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Best For
Mobile professionals (real‑estate agents, field auditors, notaries), small office/home office users, volunteers managing paper records, students digitizing notes, and remote workers needing a laptop‑powered scanner. Ideal for scanning receipts, IDs, business cards, and long documents up to 72 inches for searchable PDFs.
Not Ideal For
High‑volume batch scanning environments, users who require duplex scanning, those needing a battery‑powered device for true cordless use, and Windows 11‑only setups where driver support is critical.
Expert Opinion
Professional reviewers highlight the DS‑640’s ultra‑compact design, fast 16 ppm speed, and ability to handle 72‑inch documents as key strengths, noting its plug‑and‑play USB 3.0 convenience and built‑in OCR as workflow enhancers. They also point out that the lack of a battery and duplex scanning are deliberate trade‑offs for its portability.
What Users Say
Everyday users love the scanner’s lightweight form factor, easy setup, and clear scan quality, especially for receipts and ID cards. However, many complain about Windows 11 incompatibility, a dated software UI, intermittent USB connectivity, and the inability to scan double‑sided or batch documents.
Common Complaints
Windows 11 driver incompatibility, clunky software interface, occasional scanner failure within months, frequent USB reconnection needed, and single‑sheet ADF limiting productivity.
What People Are Saying
“Great hardware, inconvenient software.”
How It Compares
vs. Epson DS-30
Advantages
Disadvantages
Choose the DS‑640 if you need to scan long documents quickly; choose the Epson DS‑30 if you prioritize a lighter unit.
vs. Plustek MobileOffice Z300
Advantages
Disadvantages
Pick the DS‑640 for longer‑document scanning; pick the Z300 if you need a battery‑powered scanner for short field use.
