WD My Book Desktop Hard Drive — 4TB, Black — desktop backup drive with password protection and AC power
Free US shipping through Dec 31, 2026
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90-day worry-free returns · Free return shipping · Refund at the first carrier scan
Free US shipping through Dec 31, 2026 · 90-day worry-free returns — free return label, no restocking fee · Refund released at your return’s first carrier scan · Arrives damaged or defective? We make it right — Returns, Made Simple
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My Book is the drive that lives on the desk and quietly protects everything else. Four terabytes is enough to back up a gaming PC, a laptop and a photo archive with room to spare, and WD includes backup software plus password protection with 256-bit AES hardware encryption. As a desktop unit it runs on AC power through a USB 3.2 Gen 1 connection, so it is built to stay put and stay on. Finished in black, sized like a hardcover book, and covered by a 3-year limited warranty.
Portable drives travel; a My Book stays home and stands guard. Four terabytes on the desk is enough to back up the gaming PC, the family laptop and the photo archive on a schedule, with generations of versions kept instead of a single fragile copy. Because it runs on AC power, it is always connected and always ready when the backup job fires — no digging a portable drive out of a bag at midnight, which is how backup routines quietly die.
The security side is built in rather than bolted on: password protection backed by 256-bit AES hardware encryption means a drive that holds tax records, client files and family photos does not become a liability if it is ever taken. WD's backup and device management software handles the scheduling, so protection becomes a habit the machine keeps, not a chore you remember.
The book-style enclosure stands upright and takes almost no desk footprint — about the size of a hardcover novel next to the tower or monitor. It is the right answer for creators parking finished projects, households centralizing their archives, and anyone graduating from a pocket drive to a real home backup station. A 3-year limited warranty covers the hardware, and the exFAT formatting works with both Windows and modern macOS out of the box.
Specs: 4TB | USB 3.2 Gen 1 | Micro-B + AC adapter | 256-bit AES | Black | Part # WDBBGB0040HBK-NESN
Free US shipping, a 90-day return window, and your refund released at the first scan.
• Free standard US shipping on every order through December 31, 2026 — no code needed
• Orders processed in 1–3 business days; standard delivery in 5–7 business days (expedited 2–4 and express 1–2 when available)
• 90-day worry-free returns — free prepaid return label, no restocking fee, ever
• When your return’s prepaid label gets its first carrier scan, we release your refund to your original payment method — you don’t wait for the package to reach us
• Arrives damaged, defective, or wrong? We cover the return shipping and make it right — replacement, exchange, or refund
• Tracking information is provided with every shipment, and products are securely packaged for safe delivery
• Full details: Shipping Policy · Refund Policy · Returns, Made Simple
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Trust isn't bought. Trust is earned.
90-day worry-free returns · Free return shipping · Refund at the first carrier scan
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