$$ \text{Max RAM (32-bit)} = 3.2 , \text{GB} $$ Extreme — Shemale Compilation
Keep in mind, practical limits for 64-bit consumer systems are much lower, based on the hardware. Half Life 2 Gmod Content Atmosphere Of Half-life
$$ \text{Max RAM (64-bit)} = 2^{64} , \text{bytes} \approx 16 , \text{exabytes} $$