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Manufacturer IBM
Model ThinkPad A31, A31p 2652xxx, 2653xxx
System Type Notebook
Standard Memory 128/256 (Removable)
Maximum Memory N/A (Please select your specific submodel above)
Sockets 2
Slots/Banks 2
Installation Notes This may ship with a 20GB, 30GB, or 40GB Removable HD. STM-TPUBT/XX are secondary hard drive bay caddies. Machine may ship with 128MB or 256MB of RAM and CPU speeds ranging from 1.6 GHz to 2 GHz.
Please select a sub-model for more information:
  1. A31 2652C3U Mobile Intel Pentium 4-M 1.6 GHz
  2. A31 2652C4U Mobile Intel Pentium 4-M 1.6 GHz
  3. A31 2652C5U Mobile Intel Pentium 4-M 1.6 GHz
  4. A31 2652C6U Mobile Intel Pentium 4-M 1.6 GHz
  5. A31 2652CTU Mobile Intel Pentium 4-M 1.6 GHz
  6. A31 2652D3U Mobile Intel Pentium 4-M 1.6 GHz
  7. A31 2652D4U Mobile Intel Pentium 4-M 1.6 GHz
  8. A31 2652D5U Mobile Intel Pentium 4-M 1.6 GHz
  9. A31 2652D6U Mobile Intel Pentium 4-M 1.6 GHz
  10. A31 2652J3U Mobile Intel Pentium 4-M 1.6 GHz
  11. A31 2652J4U Mobile Intel Pentium 4-M 1.6 GHz
  12. A31 2652JBU Mobile Intel Pentium 4-M 1.8 GHz
  13. A31 2652JCU Mobile Intel Pentium 4-M 1.8 GHz
  14. A31 2652JEU Mobile Intel Pentium 4-M 1.6 GHz
  15. A31 2652JFU Mobile Intel Pentium 4-M 1.6 GHz
  16. A31 2652JTU Mobile Intel Pentium 4-M 1.6 GHz
  17. A31 2652JUU Mobile Intel Pentium 4-M 1.6 GHz
  18. A31 2652M3U Mobile Intel Pentium 4-M 1.8 GHz
  19. A31 2652M6U Mobile Intel Pentium 4-M 1.8 GHz
  20. A31 2652P3U Mobile Intel Pentium 4-M 1.9 GHz
  21. A31 2652P4U Mobile Intel Pentium 4-M 1.9 GHz
  22. A31 2652P5U Mobile Intel Pentium 4-M 1.9 GHz
  23. A31 2652P6U Mobile Intel Pentium 4-M 1.9 GHz
  24. A31 2652P8U Mobile Intel Pentium 4-M 2 GHz
  25. A31 2652P9U Mobile Intel Pentium 4-M 2 GHz
  26. A31 2652P9X Mobile Intel Pentium 4-M 2 GHz
  27. A31 2652PBU Mobile Intel Pentium 4-M 2 GHz
  28. A31 2652PCU Mobile Intel Pentium 4-M 2 GHz
  1. A31 2652PEU Mobile Intel Pentium 4-M 2 GHz
  2. A31 2652PTU Mobile Intel Pentium 4-M 1.9 GHz
  3. A31 2652Q3U Mobile Intel Pentium 4-M 2 GHz
  4. A31 2652Q5U Mobile Intel Pentium 4-M 2 GHz
  5. A31 2653JUU Mobile Intel Pentium 4-M 1.6 GHz
  6. A31p 2653H3U Mobile Intel Pentium 4-M 1.7 GHz
  7. A31p 2653H4U Mobile Intel Pentium 4-M 1.6 GHz
  8. A31p 2653H5U Mobile Intel Pentium 4-M 1.7 GHz
  9. A31p 2653H6U Mobile Intel Pentium 4-M 1.7 GHz
  10. A31p 2653HTU Mobile Intel Pentium 4-M 1.7 GHz
  11. A31p 2653N3U Mobile Intel Pentium 4-M 1.8 GHz
  12. A31p 2653N4U Mobile Intel Pentium 4-M 1.8 GHz
  13. A31p 2653N5U Mobile Intel Pentium 4-M 1.8 GHz
  14. A31p 2653N6U Mobile Intel Pentium 4-M 1.8 GHz
  15. A31p 2653NTU Mobile Intel Pentium 4-M 1.8 GHz
  16. A31p 2653R3U Mobile Intel Pentium 4-M 2 GHz
  17. A31p 2653R4G Mobile Intel Pentium 4-M 2 GHz
  18. A31p 2653R4U Mobile Intel Pentium 4-M 2 GHz
  19. A31p 2653R5G Mobile Intel Pentium 4-M 2 GHz
  20. A31p 2653R5U Mobile Intel Pentium 4-M 2 GHz
  21. A31p 2653R6G Mobile Intel Pentium 4-M 2 GHz
  22. A31p 2653R6U Mobile Intel Pentium 4-M 2 GHz
  23. A31p 2653R8U Mobile Intel Pentium 4-M 2 GHz
  24. A31p 2653R9U Mobile Intel Pentium 4-M 2 GHz
  25. A31p 2653RBU Mobile Intel Pentium 4-M 2 GHz
  26. A31p 2653RCU Mobile Intel Pentium 4-M 2 GHz
  27. A31p 2653RNG Mobile Intel Pentium 4-M 2 GHz
  28. A31p 2653RTU Mobile Intel Pentium 4-M 2 GHz
 We Found 2 Compatible Products for "IBM ThinkPad A31, A31p 2652xxx, 2653xxx"
SimpleTech Product Name Capacity SimpleTech Part # OEM Part # HW SKU
Memory Upgrades
SimpleTech 512MB PC2100 266MHz DDR Memory - IBM Part 10K0032512 MBSTM0028/51210K0032STM0028/512
SimpleTech 256MB PC2100 266MHz DDR Memory - IBM Part 10K0030256 MBSTM0028/25610K0030STM0028/256