On August 18, AppleInsider reported that Apple is currently testing two new Mac devices with identifiers J873g and J873s, according to information obtained from an anonymous source.
For context, the recently launched M4 Mac mini carried the identifier J773g, while the M4 Pro Mac mini was labeled J773s. Based on this pattern, it is highly likely that J873g corresponds to the upcoming Mac mini with M5 chip, and J873s points to the Mac mini with M5 Pro chip. This leak strongly suggests that Apple is already preparing the next generation of its compact desktop line.
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What to Expect from the Mac mini M5
1. No Major Redesign in 2025
Apple already gave the Mac mini a significant design overhaul with the M4 generation in late 2024. That update reduced the external size of the machine, refined its thermals, and introduced a sleeker overall look. Because of this recent redesign, industry watchers believe the M5 Mac mini will retain the same chassis, with improvements focused almost entirely on the Apple Silicon upgrade from M4 to M5.
2. Predicted Release Timeline
There is still uncertainty about the exact launch window. Some reports, such as those covered by Tom’s Guide, suggest Apple could unveil the M5 and M5 Pro Mac mini in late 2025, possibly in the October timeframe. However, many industry analysts—including Bloomberg’s Mark Gurman and Ming-Chi Kuo—believe that Apple may push the M5 Mac lineup into early 2026, aligning with the company’s typical two-year upgrade cycle for desktop Macs.
In short:
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Optimistic view → Launch in late 2025
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Conservative view → Delayed until early 2026
Should You Wait for the Mac mini M5?
If you’re considering a Mac mini purchase in 2025, the decision will depend on your needs:
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The M4 Mac mini (2024) already features a major redesign and strong performance, making it a safe buy today.
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However, those who want to future-proof their setup might want to wait until late 2025 or early 2026 for the M5 and M5 Pro versions, especially if they need top-tier Apple Silicon performance.
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Conclusion
The leaks surrounding identifiers J873g and J873s strongly point to upcoming Mac mini models with M5 and M5 Pro chips. While Apple is still testing these devices internally, and the exact launch timing remains uncertain, the next Mac mini generation will almost certainly deliver a pure silicon upgrade rather than a design refresh.
