PERGEAR CFexpress Type A Memory Card is a CFexpress Type A memory solution designed for professional 4K and 8K video capture and fast file transfers. Sustained write performance and large capacity reduce interruptions on long takes so crews can focus on framing and timing. Is the speed and Sony compatibility suited to demanding Alpha and FX workflows?
⚡ At a Glance
- • Transfer Performance: Max read and write speeds up to 780 MB/s with sustained write at 380 MB/s
- • Best for: Videographers using Sony Alpha and FX series cameras who record high-resolution video
- • Not ideal for: Hosts that do not support CFexpress Type A or require Type B/CompactFlash/CFast
256GB CFexpress Type A capacity with high peak and sustained transfer rates. Approved compatibility list includes several Sony Alpha and FX models and a five-year support policy.
Continuous 8K and High-Frame-Rate Recording – Thanks to sustained write speed of 380 MB/s
Sustained write speed of 380 MB/s supports long, uninterrupted recording sessions by keeping write performance consistent over time. Speeds are based on internal testing and actual rates may vary with host device and file attributes.
Fewer dropped frames and reduced need to swap cards during long takes, making it practical for event, documentary, and high-frame-rate shoots.
Faster Offloads and Quicker Turnaround – With up to 780 MB/s read and write speeds
Peak read and write rates reach 780 MB/s when used with compatible hosts and a CFexpress Type-A reader, accelerating data transfer to workstations. Highest transfer speeds require Type-A readers and suitable system hardware.
Large volumes of footage move to editing systems much faster, shortening post-production waits and keeping editing suites productive.
Studio-Grade Compatibility and Support – With approvals for key Sony Alpha and FX cameras
Compatibility has been confirmed for Sony A7 IV, A1, A7SIII, A7RV, FX3, FX6, and A9III models, ensuring reliable operation within those camera ecosystems. A five-year support policy covers non-human damage with replacement options.
Works reliably in approved Sony bodies and offers long-term support, reducing downtime and equipment concerns for professional users.
✨ The 4 Key Reasons for PERGEAR CFexpress Type A Memory Card
- 256GB capacity – Hold hours of 8K RAW footage, reducing storage swaps on shoots
- 780 MB/s read speed – Offload large files to workstations in under a minute
- 380 MB/s sustained write – Maintain continuous recording for high-frame-rate 4K and 8K without dropped frames
- Five-year support policy – Replacement coverage reduces long-term risk and protects workflows
📋 Technical Details at a Glance
- Capacity: 256GB
- Interface: CFexpress Type A
- Max Read Speed: Up to 780 MB/s
- Max Write Speed: Up to 780 MB/s
- Sustained Write Speed: 380 MB/s (sustained)
❓ Frequently Asked Questions
Q: Is this card compatible with my Sony A7 IV or A7SIII?
A: Yes, compatibility has been confirmed for Sony A7 IV and A7SIII, along with several other Alpha and FX series models.
Q: Can the card be used in CFexpress Type B or CFast slots?
A: No, CFexpress Type A cards are not compatible with CFexpress Type B, CompactFlash, or CFast 2.0 hosts.
Q: Are the quoted speeds guaranteed on any system?
A: Speeds are based on internal testing; actual transfer rates and capacity may vary depending on host device, file attributes, system hardware and other factors, and peak speeds require a CFexpress Type-A reader.
🏆 Our Verdict
Professional videographers using Sony Alpha and FX cameras will find the performance well suited to long takes and high-resolution projects. High peak and sustained transfer rates combined with confirmed Sony compatibility and a five-year support policy make for reliable production workflows. Strong long-term value comes from reduced interruptions and faster turnaround for editing and delivery.
