The best replacement for memory is hard drive.

The best alternatives to memory are rated as following:
★★★★★  hard drive
★★★★  storage
★★★  ram
★★  long term memory
★★  processor
★  history
★  virtual memory
★  disk space
★  cpu
★  learning
★  short term memory
★  storage mac
★  system resources
★  intelligence
★  single channel
★  experience
★  disk storage
★  processor speed
★  visual memory
  physical memory
  single channel memory
  recall
  memories
  disk speed
  cache
  available physical memory
  explicit memory
  faster memory
  system resources outlook
  photographic memory
  cpu usage
  non ecc
  hard drive camcorders
  desktop memory
  recognition memory
  latex foam
  dream
  hard drive space
  hdd
  registers
  flash storage
  sdhc
  ssd speed
  harddrive
  hard drive camcorder
  faster processor
  age
  low density

Your alternative for memory is not listed? Suggest!
Speaking about memory, one probably shouldn't forget about ecc.

Other search terms related to memory and their ratings are:
★★★★★ ecc
★★★★★ learning
★★★ mp3
★★ mp3 player
★★ involving the cpu
★ rehearsal
★ remembering and remembering without memory
consciousness
You have in mind a companion for memory and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of memory in all years. Click on graph for more.
memory
hard drive
storage