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Iridium vs Gold Memory Cards FAQs

What's the difference between the Type A 2.0 Gold and Type A 4.0 Iridium cards?

The main difference between the CFexpress 2.0 Type A Gold cards and CFexpress 4.0 Type A Iridium cards, is that the Iridium Type A cards offer higher performance. The Type A Iridium cards have a read speed of 1800MB/s, write speed of 1700MB/s, and su

What's the difference between the Type B 4.0 Gold cards and Type B 4.0 Iridium cards?

The main difference between the CFexpress 4.0 Type B Gold cards and CFexpress 4.0 Type B Iridium cards, is that the Iridium Type B 4.0cards offer higher performance and are VPG 400 certified. The Type B 4.0 Iridium cards have a read speed of 3550MB/s