Minimum: 1 GHz (IA-32) or 1.4 GHz (x86-64 or Itanium). Recommended: 2 GHz or faster.
Drafting a review of requires looking at it through a historical lens, as it represents the end of an era for 32-bit server architecture from Microsoft. Windows Server 2008 32-bit: The Final Frontier for x86 2008 Server 32 Bit
Being 32-bit, it is architecturally capped at 4GB of RAM (addressable space), which severely limits its use for modern, memory-heavy database or virtualization workloads. Minimum: 1 GHz (IA-32) or 1
Its minimum requirements— 1 GHz CPU and 512 MB of RAM —made it highly accessible for small-scale operations or virtual labs. 2008 Server 32 Bit