The best memory upgrades for your IBM Thinkstation D20 (Type 4155) Workstation!
We've spent years amassing all the information we need to make sure you get the right memory for your IBM Thinkstation D20 (Type 4155) Workstation. We guarantee this memory will work in your machine for the life of your machine. Your IBM Thinkstation D20 (Type 4155) supports up to 96 MB in twelve slots and modules must be installed one at a time.
Takes Registered or Unbuffered-ECC modules. The two types cannot be mixed. 96GB (12x 8GB) achieved using registered modules only. 24GB (12x 2GB) maximum when using Unbuffered-ECC modules.
| Code | OEM | Description | Capacity | Kit Of | Price | inc VAT | ||
 DIMM | ||||||||
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954453 | 43R2037 | 8GB 240pin DDR3 PC3-8500 DIMM 1066MHz Registered ECC Quad Rank | 8GB | 1 | £89.00 | £106.80 | Buy |
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954452 | 43R2036 | 4GB 240pin DDR3 PC3-8500 DIMM 1066MHz Registered ECC Dual Rank | 4GB | 1 | £35.90 | £43.08 | Buy |
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537948 | 43R2033 | 2GB 240-pin DDR3 PC3-10600 DIMM 1333MHz ECC | 2GB | 1 | £29.36 | £35.23 | Buy |
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954447 | 51J0504 | 2GB 240-pin DIMM PC3-8500 DIMM 1066MHz ECC | 2GB | 1 | £29.37 | £35.24 | Buy |
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954451 | 43R2035 | 2GB 240pin DDR3 PC3-8500 DIMM 1066MHz Registered ECC Dual Rank | 2GB | 1 | £34.01 | £40.81 | Buy |
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954446 | 51J0503 | 1GB 240-pin DIMM PC3-8500 DIMM 1066MHz ECC | 1GB | 1 | £18.84 | £22.61 | Buy |
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954448 | 43R2032 | 1GB 240-pin DDR3 PC3-10600 DIMM 1333MHz ECC | 1GB | 1 | £18.90 | £22.68 | Buy |
More information about this machine
Detailed machine infoTakes Registered or Unbuffered-ECC modules. The two types cannot be mixed. 96GB (12x 8GB) achieved using registered modules only. 24GB (12x 2GB) maximum when using Unbuffered-ECC modules.
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Original Memory Configuration |