whats the transfer rate !?

Feeding from a M.2 PCI-E 3.0 it starts at 1200 MBS and drops to 120 MBS +/- after it stabilizes, that's plugged into a USB 3.0 port. It's actually pretty fast for what it is. I'm very happy with mine.

Is the TOSHIBA HDTCA40XG3CA R hard drive good for backup purposes?

Yes, the TOSHIBA HDTCA40XG3CA hard drive is suitable for backup purposes as it includes Toshiba Storage Backup Software, which simplifies backing up your data.

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TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XG3CA Green

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Model HDTCA40XG3CA
USB 3.0
2.5"

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Toshiba Canvio Advance HDTCA40XG3CA 4 TB Portable Hard Drive - External - Green - USB 3.0, USB 2.0

Model
Brand	TOSHIBA
Series	Canvio Advance
Model	HDTCA40XG3CA

Performance
Color	Green
Interface	USB 3.0
Capacity	4TB

Features
Features	Store It All - In Style Step up your storage with up to 4TB capacity so you can take your massive collection of photos, music, and videos with you on the go - and still have space for all your other important files, too. Choose from up to three trendy colors in a stylish, textured finish, so your portable storage can stand out as much as you do. Back up Automatically Avoid losing valuable content with the included Toshiba Storage Backup Software for your PC. The intuitive interface makes backing up your data a breeze. Simply set the time and intervals for your backups and let the software take care of the rest. Protect Your Data Prevent unauthorized users from accessing your private information with the included Toshiba Storage Security Software, allowing you to secure your hard drive with a unique password.
System Requirements	Formatted NTFS for Microsoft Windows 10, Windows 8.1 Requires reformatting for macOS v10.15 / v10.14 / v10.13 Available USB 2.0 or USB 3.0 Port

Dimensions & Weight
Form Factor	2.5"
Dimensions	0.77" x 3.10" x 4.30"
Weight	0.48 lb.

Packaging
Package Contents	Toshiba Canvio Advance Portable Hard Drive USB 3.0 Cable (works with USB 2.0) Quick Start Guide Downloadable Software* * Software is available via a free download that is subject to Toshiba Electronic Devices & Storage Corporation's and/or Toshiba America Electronic Components, Inc.'s standard End User License Agreement. Software is compatible with Windows PC only.

Additional Information
First Listed on Newegg	April 12, 2026

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