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RamCity guarantees 100% that all modules below are compatible with the Toshiba Qosmio X505-Q8104

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Kingston 4GB
Part #. KTT-S3B/4G • DDR3-1333 / PC3-10600 •  more info
Buy new: $127.99 $99.99

6 in Stock Free Shipping Guaranteed Compatible

RamCity 4GB CL9 204-pin SO-DIMM
Part #. CRH • DDR3-1333 / PC3-10600 • CL9 • Dual Rank • 1.5V • 16-chip 256M x8 •  more info
Buy new: $114.99 $89.99

98 in Stock Free Shipping Guaranteed Compatible

Kingston 2GB
Part #. KTT-S3B/2G • DDR3-1333 / PC3-10600 •  more info
Buy new: $95.99 $74.99

13 in Stock Free Shipping Guaranteed Compatible

RamCity 2GB CL9 204-pin SO-DIMM
Part #. CNF • DDR3-1333 / PC3-10600 • CL9 • 1.5V • 16-chip 128M x8 •  more info
Buy new: $90.99 $70.99

1 in Stock Free Shipping Guaranteed Compatible

RamCity 2GB CL9 204-pin SO-DIMM
Part #. CHT • DDR3-1333 / PC3-10600 • CL9 • Single Rank • 1.5V • 8-chip 256Mx8 •  more info
Buy new: $104.99 $81.99

9 in Stock Free Shipping Guaranteed Compatible

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We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.
Need some help installing your upgrade? See our guides and videos.
System Specifications
Comments:
  • If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).
Standard Memory:
  • 1GB (Removable) or
  • 2GB (Removable) or
  • 4GB (Removable) or
  • 6GB (Removable)
Maximum Memory:
  • 4GB using a 32-bit Operating System
  • 8GB using a 64-bit Operating System
Expansion:
  • 2 Sockets
CPU/Chipset:
  • Intel Core i7 2 GHz Intel HM65
Bus Architecture:
  • SSD - SATA 2.5-inch; USB
Mfr's System P/N's:
  • PQX34U-00N00V
Upgrade Path:
  • Virtually any configuration up to 8GB can be reached using any combination of 2 and 4GB modules.