Samsung PC2700U-25331-Z – old-generation one-sided RAM module with high recycling value. RAM value does not depend on whether it is single- or double-sided or on the number of ICs – it is mainly determined by the amount of gold in the plated contact. (2005)
Hynix DDR2 server RAM modules are older-generation memory types commonly found in decommissioned servers. They offer high levels of gold and other precious metals, with a decent recovery potential in refining processes. 2008
Modern DDR4 RAM contains less gold than older types. While its refining value is low, reuse market prices are high — around €5–6 per unit, or €227–273/kg, making reuse far more profitable than recycling. (2017)