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Overview

UnionSine 12TB Desktop External Hard Drive provides massive, reliable storage for your PC, Mac, TV, and game consoles, featuring a 3.5" USB 3.0 design with dedicated power for fast, stable, plug‑and‑play backups and media storage.
Open Box

Open Box - UnionSine Desktop External Hard Drive 12TB, USB3.0 3.5" HDD Storage Compatible for PC, Mac, TV, Desktop, Laptop(Black) HD3513

Model: HD3513
Web Code: 19772768
Sold and shipped by | 4.3 seller rating (406 reviews)

Sale ends: *

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

12TB high‑capacity desktop storage for photos, videos, music, backups, and game libraries.

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USB 3.0 Micro‑B interface for fast data transfer, backward compatible with USB 2.0.

3.5" external HDD with dedicated 12V/3A power adapter for stable, long‑term operation.

Wide compatibility with Windows, macOS, Linux, smart TV, Android devices, Xbox, PS4/PS5, and more (may require reformatting on some systems).

Plug and play; no driver or additional software required for basic use.

Built‑in anti‑vibration silicone for reduced noise and better protection of internal components.

Sleek black desktop design fits neatly beside monitors, TVs, and consoles

Product Condition
Open Box

Compatibility

Storage Drive Type
Desktop Hard Drive
Internal or External
External
Interface
Other Interface
Form Factor
External

Features

Wireless
No

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Computer components
Return/Exchange Period
30 days
Condition
Unopened

We can only acceept returns that are in their original packaging and do recommend customers check manufacturer's warranties for exclusions.

Learn more about returning a Marketplace product