The Biwin Amber CB500 CFexpress Card

credits: Biwin

Biwin has released the Amber CB500, the first CFexpress Type B card to officially earn VPG800 certification from the CompactFlash Association. In plain terms, that means the card guarantees a minimum sustained write speed of 800 MB/s, even when you are shooting long takes or pushing heavy data loads. Biwin also claims peak speeds of up to 3,750 MB/s read and 3,500 MB/s write.

The Amber CB500 comes in sizes ranging from 128GB to 1TB, though for now you will only find the 256GB (€229.99) and 512GB (€399.99) versions on Amazon. The cards are clearly aimed more towards people working with high-res formats like 6K or 8K RAW, where consistent write speeds are important. That VPG800 certification basically means you can rely on the card to keep up with demanding video workflows without dropped frames or sudden slowdowns.

The VPG800 standard itself is pretty new, it only launched back in March 2025, and many existing VPG400 cards are expected to qualify for the higher certification level once retested, but for now, Biwin’s Amber CB500 is the first officially recognised card to meet it.

You can see full details on Biwin’s website here