Lenovo ThinkStation S20 4217 Memory

System Memory

Standard Memory: 3072 MB (3 x 1 GB)
Maximum Memory: 12 GB
Expansion Sockets: 6
Memory Comments: PC3-8500 DDR3 SDRAM DIMM 240-pin ECC

System Specifications

Processor: Intel Xeon
Model Comments: Intel X58 Express, 0 FSB

These memory upgrades are all guaranteed to work with