This article provides information about the compatibility of LaCie hardware and software with macOS 26 Tahoe and compatibility with Intel and Apple Silicon (M1 and later) based Macs.
As with every new major operating system update or release, LaCie evaluates current products to determine their compatibility with the new operating system. Compatibility information for LaCie hardware and software is listed below.
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Hardware
Products listed in the following tables are considered compatible this version of macOS. Older drives that are not listed in this table may work, but have not been tested.
| Product | Mac |
| d2/big Family | Yes, Intel and Apple Silicon |
| Portable Drives | Yes, Intel and Apple Silicon |
RAID Management
| big | Data Access | RAID Management |
8big Pro 5 | YES | YES Use RAID Manager to manage RAID |
2big RAID 2big Dock | YES | YES Use Toolkit to manage RAID |
| Legacy big | Data Access | RAID Management |
6big Thunderbolt 3
| YES | YES Requires LRM v 2.10.0.x or later |
Software
Certain applications require an update for proper functionality with macOS 26 Tahoe. Detailed information about each software can be found in its respective support page.
The following tables provide the software version considered compatible with this version of macOS.
| Current Software | Version | Notes |
| RAID Manager | 3.2.8 or later | Required for LaCie 8big Pro5. |
| Toolkit | 2.34.x or later |
| Legacy Software | Version | Notes |
| 2.10.0.x or later | Required for select Thunderbolt 2 and Thunderbolt 3 multi-bay LaCie devices. | |
| Intego Backup Assistant | 2.20 or later | |
| Intego Backup Manager Pro | 2.20 or later |
