More Bits for the Buck

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.

Product: X4 Flash Memory
Cost: $10 to $200, depending on capacity and retailer pricing
Availability: Now
Source: sandisk.com
Companies: SanDisk