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Memory options - ThinkPad R51e, R52, T43/p, X41, X41 Tablet, Z60m, Z60t

All PC2-4200 memory is 533MHz Double Data Rate (DDR) Synchronous DRAM (SDRAM), non-parity, 200-pin SODIMM, with gold-plated leads. PC2-4200 memory options are supported by the following ThinkPad systems: (Each system name contains a link to instructions for installing and removing the memory.)

R51e, R52
X41
X41 Tablet
Z60m, Z60t

Visit the Memory compatibility document for more information about the amount and speed of memory for each system.


DescriptionAccessory part numberService (FRU) part numberCustomer Replaceable Unit (CRU)
ThinkPad 256MB PC2-4200 CL4 NP DDR2 (533 MHz) SDRAM SODIMM73P384073P3841Yes
ThinkPad 512MB PC2-4200 CL4 NP DDR2 (533 MHz) SDRAM SODIMM73P384273P3843Yes
ThinkPad 1GB PC2-4200 CL4 NP DDR2 (533 MHz) SDRAM SODIMM73P384473P3845Yes
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