Specifications

• Outstanding storage solution for sophisticated
multimedia and network applications (such as
desktop publishing, medical diagnostics and
financial records).
• High-speed random access : suitable for large-
scale libraries and jukeboxes.
• Easy to handle and removable.
• Ultra reliability and durability : over 100,000
load/unload cycles per side without quality
loss and 50-year archival life. Resistance to
dust and scratches thanks to hard-coating and
anti-static disc surface and strong shelter.
• Fully backward compatible.
Technical Specifications
Environmental Requirements
Absolute Humidity (g/
m3)
1~30
Operating Humidity (%
RH)
3~85
Operating Temperatures
(degrees C)
5~55
Operating Temperatures
(degrees F)
41~131
Storage Humidity (%
RH)
3~90
Storage Temperatures
(degrees C)
-10~55
Storage Temperatures
(degrees F)
14~131
Format
Logical tracks 138915.0
Physical tracks 37485.0
Sector Size (Bytes/
sector)
1024.0
Track Pitch (µm) 0.85
User Area (radius) (mm) 30.14~62.00
Mechanical Characteristics
Cartridge Width (mm) 153.0
Cartridge Height (mm) 135.0
Cartridge Depth (mm) 11.0
Weight total (g) 165.0
Read/Write Characteristics
Raw Byte Error Rate minor or equals to
0,000000000001
Recording Capacity
Unformatted (MB/side) 4836.0
Reliability (Acceleration Test Results)
Erase/Write/Read Cycle bigger or equals to 1 million
Load/Unload Cycle bigger or equals to 100 000
Read Cycle bigger or equals to 10
millions
5.25” Magneto-Optical Disc of 4,836MB. Rewrit-
able version.
EDM4800
www.pro.sony.eu/storage-media 1