4GB		512MB
	2GB		256MB
	1GB		128MB

For Notebook Compatibility information, go to: www.lenovo.com/support/notebookmemorycompatibility

For information on options, accessories, Option Compatibility Matrix, and Accessories Guide go to: www.lenovo.com/accessoriesguide or www.lenovo.com/support/accessories

For comprehensive information on the features and technical specifications of Lenovo products, go to: Personal Systems Reference (PSREF)

For information on troubleshooting ThinkPad memory issues, go to: Troubleshooting Memory Issues - ThinkPad

	4GB (4x1GB) PC-100 ECC SDRAMM RDIMM memory
	4GB PC3-8500 1066MHz DDR3 SODIMM Low-Halogen memory
	ThinkPad 4GB PC3-8500 1066Mhz DDR3 SODIMM Memory
	ThinkServer 4GB PC3-10600 DDR3 1333MHz RDIMM Memory
	ThinkServer 4GB PC3-8500 1Gb DDR3 1066MHz RDIMM Memory
	ThinkStation 4GB PC2-5300 667MHz DDR2 FB-DIMM memory

	2GB (4x512MB) PC-100 ECC SDRAMM RDIMM memory
	2GB PC-1600 CL2 ECC DDR SDRAM RDIMM memory
	2GB PC2-5300 667MHz DDR2 SDRAM SODIMM Notebook memory
	2GB PC2-5300 667MHz DDR2 SDRAM UDIMM Desktop memory
	2GB PC2-6400 800MHz DDR2 SDRAM UDIMM memory
	ThinkCentre 2GB PC2-4200 CL4 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	ThinkPad 2GB PC2-4200 CL4 NP DDR2 SDRAM SODIMM memory
	ThinkPad 2GB PC2-5300 NP DDR2 SDRAM SODIMM memory
	ThinkCentre 2GB PC2-5300 CL5 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	ThinkStation 2GB PC3-8500 1067MHz DDR3 ECC SDRAM memory
	ThinkCentre USFF 2GB PC2-5300 667MHz SDRAM SODIMM memory
	ThinkStation 2GB PC2-5300 667MHz DDR2 FB-DIMM memory
	ThinkServer 2GB PC2-6400 800MHz CL6 DDR2 SDRAM memory
	ThinkServer 2GB PC3-10600 DDR3 1333MHz RDIMM memory
	ThinkServer 2GB PC3-10600 DDR3 1333MHz UDIMM memory
	ThinkServer 2GB PC3-10600 2GB DDR3 1333MHz RDIMM memory
	2GB PC3-8500 1066MHz DDR3 SODIMM memory
	2GB PC3-8500 1066MHz DDR3 SODIMM Low-Halogen memory
	2GB PC3-8500 1066MHz DDR3 UDIMM memory

	ThinkPad 1GB PC2 5300 CL5 NP DDR2 SDRAM SODIMM memory
	1GB PC2-5300 CL5 Non-Parity (NP) DDR2 SDRAM SODIMM Y-Series memory
	1GB PC2-5300 CL5 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	1GB PC2-4200 CL4 Non-Parity (NP) DDR2 SDRAM SODIMM memory
	1GB (4x256MB) PC-100 ECC SDRAMM RDIMM memory
	1GB PC-133 ECC SDRAM RDIMM memory
	1GB PC-133ECC SDRAM RDIMM memory
	1GB PC-2100 CL2.5 Non-Parity (NP) DDR SDRAM UDIMM memory
	1GB PC-2100 CL2.5 DDR SDRAM SODIMM memory
	1GB PC-2700 SDRAM UDIMM memory
	1GB PC-2700 SDRAM SODIMM memory
	1GB PC-3200 CL3 Non-Parity (NP) DDR SDRAM UDIMM memory
	1GB PC2-3200 CL3 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	1GB PC2-4300 CL4 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	1GB PC2-5300 667MHz DDR2 SDRAM SODIMM Notebook memory
	1GB PC2-5300 667MHz DDR2 SDRAM UDIMM Desktop memory
	ThinkCentre 1GB PC2-4200 CL4 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	ThinkCentre 1GB PC2-6400 NP DDR2 SDRAM UDIMM memory
	ThinkServer 1GB PC2-6400 800MHz CL6 DDR2 SDRAM memory
	ThinkStation 1GB PC3-8500 1067MHz DDR3 ECC SDRAM memory
	ThinkCentre USFF 1GB PC2-5300 667MHz SDRAM SODIMM memory
	ThinkServer 1GB PC3-10600 DDR3 1333MHz RDIMM memory
	ThinkServer 1GB PC3-10600 DDR3 1333MHz UDIMM memory
	ThinkStation 1GB PC2-5300 667MHz DDR2 FB-DIMM memory
	1GB PC3-8500 1066MHz DDR3 SODIMM memory
	1GB PC3-8500 1066MHz DDR3 SODIMM Low-Halogen memory
	1GB PC3-8500 1066MHz DDR3 UDIMM memory

	ThinkPad 512MB PC2 5300 CL5 NP DDR2 SDRAM SODIMM memory
	512MB PC2-5300 CL5 Non-Parity (NP) DDR2 SDRAM SODIMM Y-Series memory
	512MB PC2-5300 CL5 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	512MB PC2-4200 CL4 Non Parity (NP) DDR2 SDRAM SODIMM memory
	512MB 133MHz Non-Parity (NP) SDRAM Unbuffered DIMM memory
	512MB 133MHz ECC SDRAM DIMM memory
	512MB 800MHz ECC Rambus memory
	512MB PC-133 ECC SDRAM RDIMM memory
	512MB PC-133 ECC SDRAM RDIMM memory
	512MB PC-133 Non-Parity (NP) SDRAM SODIMM memory
	512MB PC-133 CL2 Non-Parity (NP) SDRAM UDIMM memory
	512MB PC-2100 CL2.5 DDR SDRAM SODIMM memory
	PC2100 CL2.5 Non-Parity (NP) DDR SDRAM UDIMM memory
	512MB PC-2700 SDRAM UDIMM memory
	512MB PC-2700 SDRAM SODIMM memory
	512MB PC2-4300 CL4 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	512MB PC2-3200 CL3 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	ThinkCentre 512MB PC2-4200 CL4 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	ThinkCentre 512MB PC2-6400 NP DDR2 SDRAM UDIMM memory

	ThinkPad 256MB PC2 5300 CL5 NP DDR2 SDRAM SODIMM memory
	256MB PC2-5300 CL5 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	256MB PC2-4200 CL4 Non Parity (NP) DDR2 SDRAM SODIMM memory
	256MB 100MHz SDRAM DIMM memory
	256MB 800MHz ECC 16D RDRAM RIMM memory
	ThinkPad 256MB 100MHz SDRAM memory
	256MB 133MHz Non-Parity (NP) SDRAM Unbuffered DIMM memory
	256MB 133MHz ECC SDRAM Unbuffered DIMM memory
	256MB 133MHz Non-Parity (NP) SDRAM UDIMM memory
	256MB PC-133 ECC SDRAM RDIMM memory
	256MB PC-133 ECC SDRAM RDIMM memory
	256MB PC-800 8D ECC RDRAM RIMM (288MB) memory
	256MB PC-133 Non-Parity (NP) SDRAM SODIMM memory
	256MB PC-133 CL2 Non-Parity (NP) SDRAM UDIMM memory
	256MB PC-2100 CL2.5 DDR SDRAM SODIMM memory
	256MB PC-2100 CL2.5 Non-Parity DDR SDRAM UDIMM memory
	256MB PC-2700 SDRAM UDIMM memory
	256MB PC-2700 SDRAM SODIMM memory
	256MB PC2-4300 CL4 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	256MB PC2-3200 CL3 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	ThinkCentre 256MB PC2-4200 CL4 Non-Parity (NP) DDR2 SDRAM UDIMM memory
	ThinkCentre 256MB PC2-6400 NP DDR2 SDRAM UDIMM memory

	128MB 100MHz Non-Parity SDRAM DIMM memory
	128MB 66Mhz Non-Parity SDRAM SODIMM (MEM150) memory
	ThinkPad 100MHz SDRAM SoDIMM memory
	128MB 800MHz ECC 8D RDRAM RIMM memory
	128MB 133MHz Non-Parity (NP) SDRAM Unbuffered DIMM memory
	128MB 133MHz ECC SDRAM Unbuffered DIMM memory
	128MB 133MHz Non-Parity (NP) SDRAM UDIMM memory
	128MB PC-133 ECC SDRAM RDIMM memory
	128MB PC-133 ECC SDRAM RDIMM memory
	128MB PC-133 CL2 Non-Parity (NP) SDRAM UDIMM memory
	128MB PC-133 Non-Parity (NP) SDRAM SODIMM memory
	128MB PC-800 4D ECC RDRAM RIMM (288MB) memory
	128MB PC-2100 CL2.5 DDR SDRAM SODIMM memory
	128M PC-2100 CL2.5 Non-Parity (NP) DDR SDRAM UDIMM memory
	128MB PC-2700 SDRAM UDIMM memory
	128MB PC-2700 SDRAM SODIMM memory
	128MB PC-3200 CL3 Non-Parity (NP) DDR SDRAM UDIMM memory

	Memory information
	Memory publications
	Expired products - Memory