Need a Mac with extension card capabilities. Mac Studio can't.

If your workflow requires PCIe expansion cards (such as DSP audio cards, video capture cards, or specialized accelerator cards), then the current Apple Silicon Mac lineup has important limitations.

Step 1: Understand the current hardware situation

The Mac Studio does not include internal PCIe expansion slots. While it offers Thunderbolt connectivity for external devices, it cannot accommodate internal PCIe cards.

The Mac Pro is currently Apple's only desktop designed with internal PCIe expansion. However, if Apple has discontinued or stopped offering the model you're looking for, there is no direct replacement that provides the same internal expansion capabilities.

Step 2: Determine whether Thunderbolt expansion is sufficient

Many professional PCIe devices can be used externally by installing them in a Thunderbolt PCIe expansion chassis.

This solution works well for:

• Audio DSP cards
• Video capture cards
• High-speed networking cards
• Fibre Channel adapters
• Some storage controllers

However, not every PCIe card is supported over Thunderbolt. Before purchasing an expansion chassis, verify with the card manufacturer's compatibility documentation.

Step 3: Check your specific hardware requirements

Ask yourself:

• Which PCIe cards do you currently use?
• Does the manufacturer officially support them over Thunderbolt on Apple Silicon?
• Are there Apple Silicon drivers available?

Some legacy PCIe hardware may not be supported regardless of the Mac model.

Step 4: Consider your long-term platform needs

If your workflow depends on multiple internal PCIe cards, and those cards cannot operate through a Thunderbolt expansion chassis, then a Windows workstation may currently provide the flexibility you need.

If, however, your hardware is compatible with Thunderbolt PCIe expansion, a Mac Studio paired with a certified expansion chassis can deliver excellent performance while allowing you to remain on macOS.

If you're deciding whether to switch

Before moving to Windows, verify the compatibility of your specific expansion cards. Many professional audio and video users successfully run PCIe hardware externally over Thunderbolt, while others with specialized accelerator cards still require a workstation with native PCIe slots.

If you let me know which PCIe cards you need to use (for example, Avid HDX, RED ROCKET, Blackmagic DeckLink, RME, UAD, or another model), I can tell you whether they'll work with a Mac Studio via Thunderbolt or whether a Windows workstation would be the more practical solution.