Those keen on taking part in the game's open beta on October 4 - or just keen on playing the game when it's out shortly afterwards - should probably check out Medal Of Honor's PC system specs.
Straight from Electronic Arts, then, here are both the minimum and recommended specifications.
MINIMUM Operating System - Windows XP (SP3), Windows Vista (SP2), Windows 7 Processor - Pentium D, 3.2GHz / Core 2 Duo, 2.0GHz / Athlon 64 X2 Memory - 2GB RAM Video Card - Video card must be 256MB or more and contain these chipsets or better: NVIDIA GeForce 7800 GT ; ATI X1900. Laptop versions of these chipsets may work but are not supported. Updates to your video and sound card drivers may be required. HDD Space - 9GB Soundcard - Soundcard with DirectX 9.0c compatibility DirectX - DirectX 9.0c Disc Drive - 8x or faster CD/DVD Drive
RECOMMENDED Operating System - Windows Vista (SP2), Windows 7 Processor - QuadCore 2.0Ghz Memory - 2GB RAM+ Video Card - A video card with 512MB of VRAM and one of the following chipsets: NVIDIA GeForce GTX260; ATI Raedeon 4870 HDD Space - 9GB Soundcard - Soundcard with DirectX 10 compatibility DirectX - DirectX 10 Disc Drive - 16X CD/DVD Drive
Nothing too outrageous there that I can see.