Premier Extreme microSDXC SD7.1 Express Card The next generation Premier Extreme SD7.1 Express memory card is like a miniature SSD, providing transfer speeds up to 800/700MB per second. It supports PCIe and NVMe, It is an excellent choice for professional image creators. Flexing microSD Express The next generation Premier Extreme SD7.1 Express memory card delivers transfer performance of up to 800MB per second, which is 1.5 times faster than a SATA SSD, 2.7 times faster than a high-speed UHS-II SD card, and 8 times faster than a standard UHS-I SD card. Lightspeed The Premier Extreme SD7.1 Express memory card adopts PCIe and NVMe protocols, using the PCIe Gen3 x1 bus speed to increase read/write performance to 800/700MB per second. Whether large files, random small files, dynamic or static image output, all transfers are completed at the highest performance. Performs Like a Miniature SSD In addition to smartphones, smaller microSD Express memory cards can also be used in VR headsets, smart home devices, dynamic cameras, and drones. In particular, imaging applications such as 4K and 8K require greater access speed and capacity. Ultra-clear Dynamic Recording The Premier Extreme SD7.1 Express memory card can maintain a minimum write speed of nearly 150MB/s*, and is backward compatible with video speed classes below V30. It perfectly facilitates low latency, highspeed photography without frame drops. Next-gen SD Express format Certified by the SD Association SVP V30 Video Speed Class support High capacities Secure, durable, and reliable SpecificationsSpecificationsProduct colour Blue, Yellow Read speed 800 MB/s Internal memory type UHS-II Flash card type MicroSDXC UHS Speed Class Class 3 (U3) Video Speed Class V30 Quantity per pack 1 pc(s) Capacity 512 GB Write speed 700 MB/s Width 15 mm Depth 1 mm Height 11 mm Weight 25 g Specifications provided by the manufacturer via Icecat.