LaCie Setup
LaCie Setup is a utility application distributed by LaCie, the external storage manufacturer owned by Seagate. The app is typically bundled with LaCie external hard drives, SSDs, and other storage devices to help users initialise, configure, and manage their hardware. It may include features for firmware updates, disk partitioning, RAID configuration (on supported models), and drive health monitoring. Most LaCie storage users encounter this app as a one-time setup tool when they first connect a new drive to their Mac.
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1 suggestionWe could not find public information confirming whether LaCie Setup has been updated to a native Apple Silicon build. The app is typically distributed as part of LaCie's driver and utility software package rather than as a standalone download. If you have a LaCie external drive, your best path forward is to visit LaCie's official support site (now part of Seagate), search for your specific drive model, and download the latest driver and utility software bundle — that package should include an updated Setup utility if one exists. Ask LaCie / Seagate support directly whether a native Apple Silicon build is available before macOS 28 ships in September 2028, since an Intel-only utility will stop working on that release. Alternatively, many LaCie drives can be formatted and managed using Disk Utility (built into macOS), which runs natively, so you may not need the LaCie Setup app at all after initial hardware setup.
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