
Motor
Higher rpm
Less runout
More expensive
Discs
More platters
Smaller diameter
Full media certification
Fully characterized
Head Stack
More heads
Low mass, high rigidity
Higher cost design
Komponentenunterschiede
Misc Mechanical
Larger Magnets
Stiffer Covers
Air Control Devices
Faster Seeks
Low RV susceptibility
Electronics
Dual Processors
Multi host
Dual port
Twice the firmware
High rpm control
Command scheduling
Superior error correction
Smart servo algorithms
Perform. optimization
Data integrity checks
Enterprise Products
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