NEC UltraLite
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The UltraLite is a line of notebook-sized laptops first released by NEC in 1988. The original model was released in October 1988, alongside the heavier and more-capable ProSpeed. The UltraLite was the first notebook computer on the market... Wikipedia
Introductory price: US$4,000 to US$5,000
Mass: 4.4 lb (2.0 kg)
Memory: 640k RAM
Power: 12V
Release date: October 1988; 35 years ago