I am selling an unused set of 5 Hitachi Maxell MO disks, 640MB each. All disks are Windows formatted, so you can use them immediately by simply inserting them into your computer. ＜Product Features＞ This disk can be used with drives compatible with 3.5-inch 640/540MB MO disks. Brand new, unused: You can use it with confidence. Large capacity 640MB: Perfect for storing photos and data! Set of 5: Recommended for bulk purchase and stocking up. Reliable Maxell brand: High quality and safe for long-term storage. Windows formatted: Ready to use immediately, no hassle. Free shipping: Delivered with no additional cost! ＜Recommended for＞ Those who have retro PCs or MO drives For data backup and archiving purposes For collections and business stock Limited stock, so first come, first served! Please consider this opportunity!