X4 flash memory chips can store four bits per memory cell instead of the two bits per cell of conventional chips. Thanks to the extra bits, a memory card of any given capacity should be 20 to 30 percent less expensive.
Credit: Joshua Scott
Products: X4 Flash Memory
Cost: $10 to $200, depending on capacity and retailer pricing
Other products in this section:
Subscribe to Continue Reading
Uh oh–you've read all of your free articles for this month.
Your Roomba Is Also Gathering Data about the Layout of Your Home
The CEO of iRobot is pushing the company toward a broader vision of the smart home. It could soon sell maps of the interiors of people’s houses.
For Computers, Too, It’s Hard to Learn to Speak Chinese
Challenging written characters make voice-based computing a natural for China, but computers that can hold a conversation in Chinese are some way off.
China Plans to Use Artificial Intelligence to Gain Global Economic Dominance by 2030
The country’s government has announced a scheme to surpass Western nations and shape the future of AI.