Because you can always use more memory
With up to 3 copies of CyberSolutions Mem Chip installed a runner could potentially have 10 not counting additional from consoles or other factors. What could you do with such extra memory besides install lots of programs?
Power: Overmind and lots of extra represents an AI icebreaker that can really make use of all that extra (cards such as Aesop's Pawnshop & Déjà Vu or simpler yet use London Library to keep bringing it back to maintain the power with all the extra )
Strength: Sage is an example of a card that can have it's strength buffed significantly by lots of extra
Money: Data Folding allows the runner to gain back the 4 investment in CyberSolutions Mem Chip, then after 4+3 turns it's just extra income. To slightly accelerate the return on investment, installing up to 3 copies of Data Folding the runner could be making a net 3 per turn for no clicks. Additionally London Library allows the runner to "borrow" programs the grip at no install cost then choose to return the program to the grip before the end of the turn or trash it having extra memory opens up a wealth of combos with this in mind.
(Did I miss something obvious, I'd appreciate suggestions in the comments below, I may add it to this review)
Harder to trash: Unlike resources or programs, as hardware CyberSolutions Mem Chip much safer from being targeted.
Not Cheap: At 4 to install, CyberSolutions Mem Chip is currently the most expensive chip available.
Extra : Pursuing an "unused memory" strategy does have a hard counter in Cortex Lock
At only 2 influence points, CyberSolutions Mem Chip is on the edge of being splash-able particularly considering that some of it's "unused memory" combo options are neutral at no influence cost. CyberSolutions Mem Chip deserves a consideration as one way (in addition many good consoles) to address memory issues in a deck, particularly Shaper decks... because as with today's tech toys, many decks can always use more memory!
--It just saddens me when I see cards with no reviews. If you appreciated this review, please give a heart and I'll be encouraged to write more.