Transferring 1GB feels like a transfer speed of about 100MB. It's good for people who take a lot of videos on their smartphones. It might also be good for memory on an iPad with less storage. It's 512GB. It has both Type-A and Type-C connectors, so transferring to a PC is smooth. Purchased in August 2024. Few write cycles, almost new. Transcend is a reliable major Taiwanese manufacturer. From the manufacturer: * [Product Features]: 【Awarded No. 1 Overall for Stick-Type USB-A SSD in Kaden Hyohyo 2024】 * Ultra-small, lightweight stick-type SSD, featuring a dual connector that can be used with USB Type-A and Type-C devices, and is a high-speed portable SSD with 10Gbps. * [Compatible with iPhone 15 & iPhone 16] *This product supports ProRes recording (1080P/60fps) using iPhone 15 Pro / iPhone Pro Max and later iPhones. * [Capacity]: 512GB [Size]: Lightweight and compact 71.3 mm x 20 mm x 7.8 mm / [Weight]: 11 g * [USB Type]: USB Type-A / USB Type-C Dual Connector, [Connection Interface]: USB 10Gbps, [OS]: Microsoft Windows/macOS/iOS/iPadOS/Linux/ChromeOS/Android * [Transfer Speed]: Read (Max) 1050 MB/s ・ Write (Max) 900 MB/s Transfer speeds may vary depending on the host hardware, software, usage, storage capacity, etc. * Due to the speed characteristics of the product, the temperature may rise during data transfer, but this does not affect the function.