CFexpress

The PCIe 3.0 and NVMe 1.3 protocols used by CFexpress cards are comparable to those used in solid-state drives (SSDs), which are often substantially quicker than SD cards. CFexpress Types A, B, and C are the three different types. The three CFexpress card versions are physically different from one another in size. The CFexpress Type A is the smallest, with dimensions of 20mm by 28mm by 2.8mm (thickness, including label area). In contrast to Type B cards, which measure 38.5mm x 29.6mm x 3.8mm, Type C cards are the largest at 54mm x 74mm x 4.8mm. The fundamental reason for the varying sizes is that each of these memory card kinds has a different amount of PCIe data transmission lanes. This is because the CFexpress Type A card has just one lane, Type B has two, and Type C has four. The three different types of memory cards have different theoretical maximum transfer speeds: Type A cards have a theoretical maximum transfer speed of 1,000 MB/s, Type B, 2,000 MB/s, and Type C cards, 4,000 MB/s. You can utilize Type B with high-end cameras, which is the type that is most usually discovered to function with cameras.