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Home > Upgrades > Lenovo > ThinkCentre > A55 Series (8705, 8975, 8985, 9265, 9636, 9640, 9641-xxx) Intel Pentium 4 / Intel Pentium D / Intel Celeron D / Intel Core 2 Duo
Flash Card, Flash Drive, Memory or Hard Drive Storage Upgrades
Manufacturer Lenovo
Model ThinkCentre A55 Series (8705, 8975, 8985, 9265, 9636, 9640, 9641-xxx) Intel Pentium 4 / Intel Pentium D / Intel Celeron D / Intel Core 2 Duo
System Type Desktop
Standard Memory Configure-to-Order
Maximum Memory N/A (Please select your specific submodel above)
Sockets 2
Slots/Banks 2
Installation Notes System supports 533/667/800MHz Unbuffered Non-ECC DDR2 SDRAM 240-Pin memory modules. Memory must be purchased and installed in matched pairs for Dual Channel mode. NOTE: * If 4GB is installed, the recognized memory may be reduced to 3.5GB or less depending on operating system configuration and memory allocation. When mixing memory speeds, the system will default to the slowest speed installed.
Please select a sub-model for more information:
  1. A55 870501U Intel Pentium Dual Core E2140 1.6 GHz
  2. A55 870522U Intel Pentium 4 3.06 GHz
  3. A55 870524U Intel Pentium D 3.06 GHz
  4. A55 870533U Intel Pentium D 3.2 GHz
  5. A55 8705D4U Intel Pentium D 2.8 GHz
  6. A55 8705D5U Intel Pentium D 2.8 GHz
  7. A55 8705D6U Intel Pentium D 2.8 GHz
  8. A55 8705DHU Intel P4 631 3.0GHz
  9. A55 8705FCU Intel P-D 925 3.0GHz
  10. A55 8705FGU Intel P-D 925 3.0GHz
  11. A55 8705G4U Intel Pentium D 3.4 GHz
  12. A55 8705G5U Intel Pentium D 3.4 GHz
  13. A55 8705G6U Intel P-D 945 3.4 GHz
  14. A55 8705J5U Intel Core 2 Duo E6300 1.86 GHz
  15. A55 8705K1U Intel Core 2 Duo E6400 2.13 GHz
  16. A55 8705K2U Intel Core 2 Duo E6400 2.13 GHz
  17. A55 8705M1U Intel P-D 915 2.8 GHz
  1. A55 8705M2U Intel P-D 915 2.8 GHz
  2. A55 8705M7U Intel Core 2 Duo E4300 1.8 GHz
  3. A55 8705M9U Intel Core 2 Duo E4300 1.8 GHz
  4. A55 8705P6U Intel P-D 925 3.0GHz
  5. A55 926501U Intel Pentium Dual Core E2140 1.6 GHz
  6. A55 926502U Intel Pentium Dual Core E2160 1.8 GHz
  7. A55 926503U Intel Pentium Dual Core E2160 1.8 GHz
  8. A55 926504U Intel Pentium Dual Core E2140 1.6 GHz
  9. A55 9265KRU Intel Pentium Dual Core E2140 1.6 GHz
  10. A55 9265LLU Intel Core 2 Duo E4400 2.0 GHz
  11. A55 963601U Intel Pentium Dual Core E2140 1.6 GHz
  12. A55 963602U Intel Pentium Dual Core E2160 1.8 GHz
  13. A55 9636F1U Intel P4 631 3.0GHz
  14. A55 9636H1U Intel P-D 925 3.2 GHz
  15. A55 9636J1U Intel P-D 925 3.4 GHz
  16. A55 9636QKU Intel Pentium Dual Core E2140 1.6 GHz
 We Found 18 Compatible Products for "Lenovo ThinkCentre A55 Series (8705, 8975, 8985, 9265, 9636, 9640, 9641-xxx) Intel Pentium 4 / Intel Pentium D / Intel Celeron D / Intel Core 2 Duo"
SimpleTech Product Name Capacity OEM Part # SimpleTech Part #
Memory Upgrades
SimpleTech 2GB PC2-6400 DDR2 Memory2 GBN/ASTM2975/2GB
SimpleTech 2GB PC2-4200 533MHz DDR2 Memory - IBM Part 30R51232 GB30R5123, 73P4973, FRU 40J8874, FRU 30R5123STM3211/2GB
SimpleTech 2GB PC2-5300 Non-ECC Unbuffered DDR2 DIMM Memory Double Bank - IBM Part 73P49852 GB73P4985, FRU 40T4064, FRU 30R5127STM4983/2GB
SimpleTech 1GB PC2-6400 800MHz Non-ECC Unbuffered DDR2 DIMM Memory - Lenovo Part 41U29771 GB41U2977, FRU 40T7322, FRU 41X1080STM2975/1GB
SimpleTech 1GB PC2-5300 667MHz Non-ECC DDR2 Memory - Lenovo Part 30R51261 GB73P4984, FRU 40J8870, 30R5126STM4983/1GB
SimpleTech 1GB PC2-4200 533MHz DDR2 Memory - IBM Part 73P32151 GB73P3215, 73P3216, 73P4972, FRU 40J8873, FRU 30R5122STM3211/1GB
SimpleTech 512MB PC2-6400 800MHz Non-ECC Unbuffered DDR2 DIMM Memory512 MBN/ASTM2975/512
SimpleTech 512MB PC2-5300 667MHz Non-ECC DDR2 Memory - Lenovo Part 30R5125512 MB73P4983, FRU 40J8869, 30R5125STM4983/512
SimpleTech 512MB PC2-4200 533MHz Non-ECC DDR2 DIMM Memory - IBM Part 73P3213512 MB73P3213, 73P3214, 73P4971, FRU 40J8872, FRU 30R5121STM3211/512
Internal Storage
SimpleTech Duo Pro Drive USB2.0/eSATA External Hard Drive1500 GBN/AFP-UFE2/1.5TB
SimpleTech Pro Drive USB2.0/eSATA External Hard Drive1000 GBN/AFP-UFE/1TB
SimpleTech Duo Pro Drive USB2.0/eSATA External Hard Drive1000 GBN/AFP-UFE2/1TB
SimpleTech Pro Drive USB2.0/eSATA External Hard Drive750 GBN/AFP-UFE/750
SimpleTech Pro Drive USB2.0/eSATA External Hard Drive500 GBN/AFP-UFE/500
SimpleTech 320GB USB2.0 External Hard Drive320 GBN/AFV-U35/320
SimpleTech 250GB USB2.0 External Hard Drive250 GBN/AFV-U35/250
SimpleTech Duo Pro Drive USB2.0/eSATA External Hard DriveN/AN/AFP-UFE2/2TB
External USB2.0 Storage
SimpleTech 500GB USB2.0 External Hard Drive500 GBN/AFV-U35/500