Apple accessories including the Magic Keyboard, Mouse, and Trackpad that accompany the newly announced M3 iMac still feature a Lightning port instead of USB-C
Hartley Charlton / MacRumors :
Context & Ripple Effects
Apple had already pushed USB-C into its Mac lineup, while its accessory strategy still required customers to bridge connector types with products such as a USB-C-to-Lightning adapter. The M3 iMac therefore paired a newer desktop platform with peripherals tied to Apple’s older charging ecosystem.
The decision also preserved a long-running Magic Mouse charging design that had drawn criticism when introduced. A year later, Apple moved all three Magic accessories to USB-C, making this M3 iMac bundle a clear late-stage holdover rather than a permanent platform direction.
First-order effects
- M3 iMac buyers receive a keyboard, mouse, and trackpad that charge via Lightning, adding a second cable type for users otherwise standardizing on USB-C.
- Apple retains continuity for its existing Magic-accessory charging setup, rather than changing the bundled peripherals alongside the M3 iMac refresh.
Second-order effects
- Users buying accessories separately or replacing cables have more reason to keep Lightning cables and adapters in circulation, despite the Mac ecosystem’s USB-C direction.
- The mismatch makes the accessory bundle, rather than the iMac itself, the visible constraint on a single-cable desk setup; Apple’s later USB-C accessory refresh addresses that friction.
Third-order effects
- The episode illustrates how connector transitions can proceed unevenly across a product family: core devices may move first while lower-change accessories lag.
- If manufacturers keep sequencing transitions this way, cable and accessory compatibility will remain a meaningful part of upgrade decisions even as USB-C becomes the common interface.
The trend: Apple’s gradual shift from Lightning to USB-C is occurring product by product, with accessory refresh cycles determining when the transition feels complete to customers.