Brand new, unopened Samsung MicroSD Express card, 512GB, compatible with Switch 2. Can be used with Switch 2. I purchased this a month ago on Amazon for Switch 2, but I didn't end up using it, so I'm selling it. Instant purchase is welcome. It will be shipped anonymously via Yu-Yu Mercari delivery, with waterproof packaging. Samsung MicroSD Express Card 512GB Nintendo Switch 2 Tested and Confirmed Compatible, Max Transfer Speed 800MB/s, Domestic Genuine Warranty Product microSD P9 Express MB-MK512T-IT/EC <Compatible with various devices> Nintendo Switch 2 tested and confirmed, PC, smartphones, cameras, etc. [Transfer Speed] Max read 800MB/s (SD Express) *Transfer speed may be limited to UHS-I speed depending on the compatibility of the host device. [Interface] PCIe Gen 3.0 x1, NVMe 1.3, SD 7.1 / UHS-I SDR 104 [Durability] Water resistant, heat resistant, X-ray resistant, magnetic resistant, drop resistant, wear resistant 《Nintendo Switch 2, Nintendo Switch 2, MicroSD card, microSD Express Card》 Please note that I may not respond to comments requesting price reductions.