Sony A7IV Memory Card Slots: Complete Guide 2026

The Sony A7IV features dual memory card slots for uninterrupted shooting in 2026. This guide details specs, compatibility, and optimization for photographers and videographers.

With CFexpress Type A and SD UHS-II support, the A7IV ensures speed and reliability, perfect for 4K video and high-res bursts.

Slot Specifications Overview

Know your hardware inside out.
  • 1. Slot 1: CFexpress Type A / SD UHS-II
  • 2. Slot 2: SD UHS-II only
  • 3. Simultaneous recording capability

Recommended Memory Cards

Select top performers for peak efficiency.
  • 1. CFexpress: Sony Tough series
  • 2. SD: SanDisk Extreme Pro
  • 3. Verify V90 for 4K 120p

Installation and Formatting

Step-by-step setup.
  • 1. Power off camera
  • 2. Insert cards firmly
  • 3. Format via menu > Setup

Configuring Dual Slot Modes

Customize for your workflow.
  • 1. Backup mode for redundancy
  • 2. Overflow for extended shoots
  • 3. Sorted recording by format

Troubleshooting Common Issues

Fix problems quickly.
  • 1. Card not recognized: Clean contacts
  • 2. Slow speeds: Update firmware
  • 3. Errors: Reformat in-camera

Performance Benchmarks 2026

Latest tests for real-world speeds.
  • 1. Buffer clearance: 1,000+ RAWs
  • 2. 4K write speeds: 300MB/s+
  • 3. Battery impact minimal

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