Guaranteed compatible upgrades for:

IBM/Lenovo ThinkPad R500 2731, 2732, 2733, 2734-xxx

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Samsung 2GB (1x 2GB) DDR3-1066 PC3-8500 1.5V DR x8 204-pin SODIMM RAM Module

Samsung 2GB (1x 2GB) DDR3-1066 PC3-8500 1.5V DR x8 204-pin SODIMM RAM Module

System Specifications

Maximum Memory:

3 GB with 32-bit OS
4 GB with 64-bit OS

Expansion:

2 Sockets

Standard Memory:

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

CPU/Chipset:

Intel Core 2 Duo Intel PM45
Intel Core 2 Duo Intel GM45

Bus Architecture:

PC Card

Mfr's System P/N's:

2731-xxx; 2732-xxx; 2733-xxx; 2734-xxx; NP7BHFR

Upgrade Path:

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

Comments:

Notebooks with 32-bit operating systems, if 4GB is installed, the recognized memory may be reduced to 3GB or less (depending on system configuration and memory allocation)