The best memory upgrades for your IBM Thinkcentre A61 (Type 9158) Desktop!
We've spent years amassing all the information we need to make sure you get the right memory for your IBM Thinkcentre A61 (Type 9158) Desktop. We guarantee this memory will work in your machine for the life of your machine. Your IBM Thinkcentre A61 (Type 9158) supports up to 8 GB in four slots and modules must be installed one at a time.
Install in matched pairs to utilize Dual Channel mode. Compatible with upto 800MHz modules. Mixing module speeds will default to the lowest speed. Installing more than 4GB of memory will require a 64-bit Operating System.
| Code | OEM | Description | Capacity | Kit Of | Price | inc VAT | ||
 DIMM | ||||||||
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950636 | 41X4257 | 2GB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI | 2GB | 1 | £28.57 | £34.28 | Buy |
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950639 | 41X1081 | 2GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI | 2GB | 1 | £28.57 | £34.28 | Buy |
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950635 | 41X4256 | 1GB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI | 1GB | 1 | £18.40 | £22.08 | Buy |
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950638 | 41X1080 | 1GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI | 1GB | 1 | £14.00 | £16.80 | Buy |
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533935 | 41X4255 | 512MB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI | 512MB | 1 | £10.43 | £12.52 | Buy |
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950637 | 41X1079 | 512MB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI | 512MB | 1 | £10.26 | £12.31 | Buy |
More information about this machine
Detailed machine infoInstall in matched pairs to utilize Dual Channel mode. Compatible with upto 800MHz modules. Mixing module speeds will default to the lowest speed. Installing more than 4GB of memory will require a 64-bit Operating System.
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Original Memory Configuration |