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Home > IBM > ThinkCentre > A51p 8420, 8422, 8423, 8427xxx
Flash Card, Flash Drive, Memory or Hard Drive Storage Upgrades
Manufacturer IBM
Model ThinkCentre A51p 8420, 8422, 8423, 8427xxx
System Type Desktop
Standard Memory 256/512/1024 (Removable)
Maximum Memory N/A (Please select your specific submodel above)
Sockets 4
Slots/Banks 4
Installation Notes Memory can be installed as single modules, but must be installed as matched pairs for Dual Channel mode. Machine may ship with PC2-3200 (STM3219/xxx) or PC2-4200 (STM3211/xxx) depending on configuration. Machine may ship with 256MB, 512MB, or 1GB of RAM and an Intel P4 520, 530, 540, 550, 560, 570 processor with speeds ranging from 2.8 GHz to 3.8 GHz. Some machines are configure-to-order.
Please select a sub-model for more information:
  1. A51p 842024U Intel P4 530 3 GHz
  2. A51p 842214U Intel P4 520 2.8 GHz
  3. A51p 842215U Intel P4 520 2.8 GHz
  4. A51p 842222U Intel P4 530 3 GHz
  5. A51p 842224U Intel P4 530 3 GHz
  6. A51p 842235U Intel P4 540 3.2 GHz
  7. A51p 842236U Intel P4 540 3.2 GHz
  8. A51p 842243U Intel P4 550 3.4 GHz
  9. A51p 842252U Intel P4 560 3.6 GHz
  10. A51p 842255U Intel P4 560 3.6 GHz
  11. A51p 842263U Intel P4 570 3.80 GHz
  12. A51p 842312U Intel P4 520 2.8 GHz
  13. A51p 842313U Intel P4 520 2.8 GHz
  14. A51p 842321U Intel P4 530 3 GHz
  15. A51p 842326U Intel P4 530 3 GHz
  16. A51p 842331U Intel P4 540 3.2 GHz
  17. A51p 842332U Intel P4 540 3.2 GHz
  18. A51p 842341U Intel P4 550 3.4 GHz
  19. A51p 842351U Intel P4 560 3.6 GHz
  1. A51p 842712U Intel P4 520 2.8 GHz
  2. A51p 842721U Intel P4 530 3 GHz
  3. A51p 842722U Intel P4 530 3 GHz
  4. A51p Configure-To-Order 8422CBU Intel P4 520 2.8 GHz
  5. A51p Configure-To-Order 8422CCU Intel P4 530 3 GHz
  6. A51p Configure-To-Order 8422CDU Intel P4 540 3.2 GHz
  7. A51p Configure-To-Order 8422CEU Intel P4 550 3.4 GHz
  8. A51p Configure-To-Order 8422CGU Intel P4 560 3.6 GHz
  9. A51p Configure-To-Order 8423CAU Intel P4 530 3 GHz
  10. A51p Configure-To-Order 8423CBU Intel P4 540 3.2 GHz
  11. A51p Configure-To-Order 8423CCU Intel P4 550 3.4 GHz
  12. A51p Configure-To-Order 8423CDU Intel P4 560 3.6 GHz
  13. A51p Configure-To-Order 8423CFU Intel P4 520 2.8 GHz
  14. A51p Configure-To-Order 8427CBU Intel P4 520 2.8 GHz
  15. A51p Configure-To-Order 8427CCU Intel P4 530 3 GHz
  16. A51p Configure-To-Order 8427CDU Intel P4 540 3.2 GHz
  17. A51p Configure-To-Order 8427CEU Intel P4 550 3.4 GHz
  18. A51p Configure-To-Order 8427CGU Intel P4 560 3.6 GHz
 We Found 11 Compatible Products for "IBM ThinkCentre A51p 8420, 8422, 8423, 8427xxx"
SimpleTech Product Name Capacity SimpleTech Part # OEM Part # HW SKU
Memory Upgrades
SimpleTech 1GB PC2-4200 533MHz DDR2 Memory - IBM Part 73P32151 GBSTM3211/1GB73P3215, 73P3216, 73P4972, FRU 40J8873, FRU 30R5122STM3211/1GB
SimpleTech 1GB PC2-3200 400MHz Non-ECC Unbuffered DDR2 DIMM Memory - IBM Part 73P32231 GBSTM3219/1GB73P3223STM3219/1GB
SimpleTech 512MB PC2-4200 533MHz Non-ECC DDR2 DIMM Memory - IBM Part 73P3213512 MBSTM3211/51273P3213, 73P3214, 73P4971, FRU 40J8872, FRU 30R5121STM3211/512
SimpleTech 512MB PC2-3200 400MHz DDR2 Memory - IBM Part 73P3221512 MBSTM3219/51273P3221STM3219/512
SimpleTech 256MB PC2-3200 400MHz DDR2 Memory - IBM Part 73P3219256 MBSTM3219/25673P3219STM3219/256
External USB2.0 Storage
750GB SimpleDrive USB 2.0 External Hard Drive (designed by Pininfarina)750 GBSP-U35/750N/ASP-U35/750
500GB SimpleDrive USB 2.0 External Hard Drive (designed by Pininfarina)500 GBSP-U35/500N/ASP-U35/500
250GB Signature Drive USB 2.0 External Hard Drive (designed by Pininfarina)250 GBSP-U35/250N/ASP-U35/250
External USB2.0/FireWire Combo Storage
750GB SimpleDrive USB 2.0/FireWire External Hard Drive (designed by Pininfarina)750 GBSP-UF35/750N/ASP-UF35/750
500GB SimpleDrive USB 2.0/FireWire External Hard Drive (designed by Pininfarina)500 GBSP-UF35/500N/ASP-UF35/500
250GB SimpleDrive USB 2.0/FireWire External Hard Drive (designed by Pininfarina)250 GBSP-UF35/250N/ASP-UF35/250