Free Express Shipping! Nextorage 500GB NX-B3AE CFexpress 4.0 Type B Memory Card 500GB Storage Capacity, PCIe 4.0 x2 / NVMe 1.4 Interface, Max Read Speed: 3900 MB/s, Max Write Speed: 3400 MB/s, Sustained Write Speed: 850 MB/s, Min Write Speed: 400...