Overview

The Seagate FreeAgent GoFlex Desk 1TB (STAC1000101) is a 3.5-inch external hard drive that brings USB 3.0 speed to desktop backups and file sharing. With 1TB of storage capacity, it offers plenty of space for photos, videos, documents, and full-system backups. The drive comes preloaded with backup and encryption software, so you can start protecting your data immediately after setup. The USB 3.0 interface delivers up to 10x faster transfer speeds compared to USB 2.0, making large file copies noticeably quicker.
What sets the GoFlex Desk apart is its modular adapter system. The drive separates into two parts: the hard drive unit itself and a removable interface adapter. This allows you to swap the USB 3.0 adapter for optional FireWire 800 or USB 2.0 adapters, or even future interface standards as they become available. This expandability means you can keep using the same drive across multiple PC and Mac systems, even as connection technology evolves. The drive can be positioned vertically or horizontally to fit your workspace.

Compatibility Guide

This external drive connects via USB 3.0 and is fully backward compatible with USB 2.0 ports (though at USB 2.0 speeds). It works with Windows 7 and later, and macOS 10.6 and later, without additional drivers. The drive requires AC power through the included adapter, so it is designed for desktop use only. The modular adapter system supports optional adapters for FireWire 800 (IEEE 1394b) and USB 2.0, which are sold separately. If you plan to use the drive with a USB-C only system, you may need a USB-C to USB-A adapter or a compatible USB-C GoFlex adapter if available.

Product Info

Originally launched in the early 2010s, the FreeAgent GoFlex Desk remains available as new old stock or on the secondary market. Pricing varies widely: used units typically sell between $30 and $70, while sealed or like-new units can reach $100 or more (as of late 2026). The standard warranty from Seagate is one year, but condition and seller policy should be verified. This drive occupies the entry-level to mid-range segment of external desktop HDDs. Its 1TB capacity is still practical for everyday backup, and the USB 3.0 speed is adequate for most home users. The unique upgrade path via adapter swaps gives it a longer useful life compared to fixed-interface competitors.

Best Use Cases

First, home users who need a simple, reliable way to back up large photo and video libraries. The USB 3.0 connection ensures that even multi-gigabyte transfers finish in minutes rather than hours. Second, cross-platform users who work on both Windows and Mac machines. By reformatting the drive to exFAT, you can read and write files from either OS without extra software. Third, budget-conscious users who want a drive that can evolve with their hardware. The ability to change the interface adapter means you can move from USB 3.0 to a faster standard later without buying a new hard drive. This drive is not ideal for those who need SSD-level random access speeds or for mobile use because of its AC power requirement and larger size.

Things to Consider

This drive requires an AC power outlet and is not bus-powered, so it is strictly a desktop solution. The internal hard drive's RPM is not officially stated, but based on typical Seagate desktop drives of that era, it is likely 5400 or 7200 RPM. Actual sequential read/write speeds are expected around 100-150 MB/s. While fast for a traditional hard drive, it is much slower than even a SATA SSD. Shock resistance is also limited due to the spinning platters, so handle with care. When buying used, check for signs of heavy use, bad sectors, or excessive noise. Competitors like the WD My Book series offer similar specs, but the GoFlex Desk's adapter-swapping capability remains a distinctive advantage. Note that the bundled backup and encryption software is Windows-only; Mac users will need alternative backup tools.

FAQ

Q: Can I use this drive with older computers that only have USB 2.0?
A: Yes, it is fully backward compatible with USB 2.0. Transfer speeds will be limited to USB 2.0 rates (approx. 30-40 MB/s), but for overnight backups that is usually acceptable.
Q: Is this drive compatible with Mac for both reading and writing out of the box?
A: No. The drive ships with NTFS formatting, which macOS can read but not write to. You can use Disk Utility to reformat to exFAT (for cross-platform use) or macOS Extended (Journaled) if you only use it with Macs. Reformatting erases all data on the drive.
Q: Can I upgrade the internal hard drive to a larger or faster one?
A: Yes, the GoFlex Desk is designed with a removable 3.5-inch SATA HDD inside. You can open the enclosure and replace the drive with any standard 3.5-inch SATA hard drive. Doing so will void the warranty, and you will need to reinstall the interface adapter. This is a good option if the original drive f

Product Disclosure (Amazon)

  • Manufacturer: シーゲイト(SEAGATE)
  • Seller: YN market
  • Fulfilled by: YN market
  • ASIN: B0045JLPN8
  • Note: This article covers a manufacturer-made product based on Amazon listing details.