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RamCity guarantees 100% that all modules below are compatible with the Toshiba Portege M900

RamCity 2GB CL6 200-pin SO-DIMM

RamCity 2GB CL6 200-pin SO-DIMM

Part #. BJE • DDR2-800 / PC2-6400 • CL6 • 1.8V • 16-chip 128M x8 • more info

Buy new: $107.99 $83.99

42 in Stock Free Shipping Guaranteed Compatible

Kingston 2GB 200-pin SO-DIMM

Kingston 2GB 200-pin SO-DIMM

Part #. KTT800D2/2G • DDR2-800 / PC2-6400 • 1.8V • more info

Buy new: $139.99 $108.99

8 in Stock Free Shipping Guaranteed Compatible

Kingston 1GB 200-pin SO-DIMM

Kingston 1GB 200-pin SO-DIMM

Part #. KTT800D2/1G • DDR2-800 / PC2-6400 • 1.8V • more info

Buy new: $76.99 $59.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 1GB CL6 200-pin SO-DIMM

RamCity 1GB CL6 200-pin SO-DIMM

Part #. CBI • DDR2-800 / PC2-6400 • CL6 • 1.8V • 16-chip 64M x8 • more info

Buy new: $92.99 $72.99

2 in Stock Free Shipping Guaranteed Compatible

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:

512MB (Removable) or
1GB (Removable) or
2GB (Removable) or
3GB (Removable) or
4GB (Removable)

Maximum Memory:

4GB

Expansion:

2 Sockets

CPU/Chipset:

Intel Core 2 Duo Intel PM45

Bus Architecture:

SSD - SATA 2.5-inch; USB

Mfr's System P/N's:

PSU56L-00J00C; PSU56L-00K00C; PSU56L-00M00F; PSU56L-00N00F; PSU5CL-001001; PSU5CL-002001; PSU5JL-00T001; PSU5JL-00U001; PSU5JL-00V001; PSU5JL-00W001; PSU5JL-00X002; PSU5JL-00X009; PSU5JL-00Y002; PSU5JL-010002; PSU5JL-011002; PSU5JL-017009; PSU5JL-018001; PSU5JL-01C001; PSU5JL-01C009; PSU5JL-01D001; PSU5JL-01D009; PSU5JL-01E001; PSU5JL-01E009; PSU5JL-01F001; PSU5JL-01F009; PSU5JL-01G009; PSU5JL-01H009; PSU5JL-01L00D; PSU5JL-01M00D; PSU5JL-01N00D; PSU5JL-01V003; PSU5JL-01W003; PSU5JL-01X003; PSU5JL-021001; PSU5JL-022001; PSU5JL-023001; PSU5JL-024001; PSU5JL-025009; PSU5JL-026009; PSU5JL-027009; PSU5QL-001001; PSU8GL-00K009; PSU8GL-00K00C; PSU8GL-00L009; PSU8GL-00L00C; PSU8GL-00M009; PSU8GL-00M00C; PSU8GL-00N009; PSU8GL-00N00C; PSU8GL-00V009; PSU8GL-00V00C; PSU8GL-010004; PSU8GL-011004; PSU8GL-012004; PSU8GL-013004; PSU8GL-014004; PSU8GL-015004; PSU8GL-01C00C; PSU8GL-01J00C

Upgrade Path:

Virtually any configuration up to 4GB can be reached using any combination of 1 and 2GB modules.