Technical details
| Bytes per sector |
2048 |
| Track pitch |
1 µm |
| Mac compatibility |
N |
| Configuration of track |
Spiral |
| Unformatted recording capacity |
643 MB |
| Formatted recording capacity |
636 MB |
| Physical tracks |
15708 |
| Logical tracks |
18480 |
Operational conditions
| Operating temperature (T-T) |
41 - 131 °F |
| Archival storage life |
50 year(s) |
EDM640C2, 8.89 cm (3.5 ") MO, 640 MB, 2048 Bytes/Sector, Rewritable
Sony's optical media are 3.5-inch discs compatible with a wide range of optical drives. They're treated with Sony's advanced polycarbonate substrate for extra durability and shock resistance. They support ISO standards and are tested up to 50 years of proven media life thanks to Sony's optimized recording layers and recording particles.