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 use it, so I'm selling it. Instant purchase is welcome. Due to the difficulty of preventing product substitution, cancellations after receiving the product will not be accepted. 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, Maximum 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] Maximum read speed 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 be able to respond to comments requesting price reductions.