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The best memory upgrades for your Lenovo Thinkstation S20 (Type 4155) Workstation!

We've spent years amassing all the information we need to make sure you get the right memory for your Lenovo Thinkstation S20 (Type 4155) Workstation. We guarantee this memory will work in your machine for the life of your machine. Your Lenovo Thinkstation S20 (Type 4155) supports up to 96 MB in twelve slots and modules must be installed one at a time.

Takes Registered-ECC or Unbuffered-ECC modules. The two types cannot be mixed. 96GB (12x 8GB) achieved using registered modules only. 48GB (12x 4GB) maximum when using Unbuffered-ECC modules. 

	Code	OEM	Description	Capacity	Kit Of	Price	inc VAT
DIMM
	2620625	22912	8GB 240pin DDR3 PC3-10600 DIMM 1333MHz Registered ECC 1.5v Quad Rank	8GB	1	£64.33	£77.20	Buy
	2620628	22995	8GB 240-pin DDR3 PC3-10600 DIMM 1333MHz ECC	8GB	2	£51.79	£62.15	Buy
	2620626	22911	4GB 240pin DDR3 PC3-10600 DIMM 1333MHz Registered ECC 1.5v Quad Rank	4GB	1	£41.56	£49.87	Buy
	2620629	22994	4GB 240-pin DDR3 PC3-10600 DIMM 1333MHz ECC	4GB	2	£58.71	£70.45	Buy
	2620627	22899	2GB 240-pin DDR3 PC3-10600 DIMM 1333MHz Registered ECC Dual Rank	2GB	1	£33.09	£39.71	Buy
	2620630	22993	2GB 240-pin DDR3 PC3-10600 DIMM 1333MHz ECC	2GB	2	£37.79	£45.35	Buy

More information about this machine

Detailed machine info Takes Registered-ECC or Unbuffered-ECC modules. The two types cannot be mixed. 96GB (12x 8GB) achieved using registered modules only. 48GB (12x 4GB) maximum when using Unbuffered-ECC modules. Is base memory removeable? y Number of memory slots 12 Number of memory banks 12 Number of modules per bank 1 Maximum installable memory 96

Original Memory Configuration

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