The forums for Kingdoms of Amalur: Reckoning now offer system specifications for 38 Studios' upcoming role-playing game (thanks VG247). The post notes you need an internet connection for product activation/registration, and offers the following minimum and recommended specs:

MINIMUM SYSTEM REQUIREMENTS

OS:
Windows XP with Service Pack 3
Windows Vista with Service Pack 2
Windows 7 with Service Pack 1

CPU:
Intel Core2 Duo (or equivalent) running at 2.2GHz or greater
AMD Athlon 64 X2 5000+ (or equivalent) running at 2.6GHz or greater

RAM:
At least 1 GB for Windows XP
At least 2 GB for Windows Vista and Windows 7

Disc Drive:
CD/DVD ROM drive (required for installation only), 8x or faster CD/DVD drive

Hard Drive:
At least 10.5 GB of free space

Video Adapter:
NVIDIA GeForce 8800 GT 512MB or better
ATI Radeon HD3650 512MB or better
Supporting Pixel Shader 3.0
Minimum Resolution Supported is 1280x720

DirectX:
9.0c Compatible


RECOMMENDED SYSTEM REQUIREMENTS

OS:
Windows XP with Service Pack 3
Windows Vista with Service Pack 2
Windows 7 with Service Pack 1

CPU:
Intel Core 2 Quad (or equivalent) running at 2.4GHz or greater
AMD Phenom X4 (or equivalent) running at 2.6GHz or greater

RAM:
At least 3 GB for Windows XP
At least 4 GB for Windows Vista and Windows 7

Disc Drive:
CD/DVD ROM drive (required for installation only), 8x or faster CD/DVD drive

Hard Drive:
At least 10.5 GB of free space

Video Adapter:
NVIDIA GeForce GTX260 1GB RAM or better
ATI Radeon HD4850 1GB RAM or better
Supporting Pixel Shader 3.0

DirectX:
9.0c Compatible