1GB DDR SODIMM FOR IBM THINKPAD R40 T40Axiom Memory Axiom 1GB DDR 266 SODIMM for Lenovo 10K0034, 10K0035 For Notebook 1 GB DDR 266 PC 2100 DDR SDRAM 266 MHz 200 pin SoDIMM Lifetime Warranty VPN: 10K0034 AX SKU: RSC771955 UPC: 845282013993 SoDIMM 1 GB of memory to refine your computer's performance Up to 266 MHz memory speed to manage your routine softwares with pace and accuracy DDR 266 PC 2100 operates at up to 400 MHz data bus speed with minimal power consumption and as a result, you get