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The best memory upgrades for your IBM Thinkcentre A61 (Type 9191) 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 9191) Desktop. We guarantee this memory will work in your machine for the life of your machine. Your IBM Thinkcentre A61 (Type 9191) 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 DescriptionCapacityKit OfPriceinc VAT 
expand   DIMM
2GB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 41X4257 533972 41X4257 2GB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 2GB1 £28.57 £34.28 Buy
2GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 41X1081 950674 41X1081 2GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 2GB1 £28.57 £34.28 Buy
1GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 41X1080 533974 41X1080 1GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 1GB1 £14.00 £16.80 Buy
1GB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 41X4256 950670 41X4256 1GB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 1GB1 £18.40 £22.08 Buy
512MB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 41X1079 533973 41X1079 512MB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 512MB1 £10.26 £12.31 Buy
512MB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 41X4255 950669 41X4255 512MB 240PIN 677MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 512MB1 £10.43 £12.52 Buy

More information about this machine

Detailed machine info

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.

Is base memory removeable?y
Number of memory slots4
Number of memory banks4
Number of modules per bank1
Maximum installable memory8

Original Memory Configuration

more about your IBM Thinkcentre A61 (Type 9191) machine
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