Exascend EXPC4NB512GB Nitro Pro CFexpress 4.0 Type B Memory Card - 512GBDesigned for professional creatives working with intensive, long form content creation, the 512GB Nitro Pro CFexpress 4. 0 Type B Memory Card from Exascend delivers 8 and 12K video captures at up to 120 fps without dropping frames. Utilizing a PCIe 4. 0 x2 interface, this 512GB CFexpress Type B card works with compatible camera systems to deliver sequential read speeds of up to 3750 MB s, sequential write speeds of up to 3400 MB s and, thanks to the