Assertion: hard drive's platter | /r/HasProperty | each 39 inches
Facets:
Source sentences:
text: These massive units stood 52 inches (1.3 m) tall, 70 inches (1.8 m) long, and 70 inches (1.8 m) wide, and had up to 26 platters, each 39 inches (0.99 m) in diameter, rotating at up to 1,200 rpm.