Thunder h1000E (S3970) Compact yet robust, the Thunder h1000E (S3970) offers support for dual AMD Opteron™ 2000 series processors. The S3970 also provides other great features like PCI-X and PCI expansion slot support, built-in video, SATA with RAID, IPMI 2.0 remote management option, TARO™ add-on storage card support, and up to (8) DIMMs of DDR2 Registered memory, all in an ATX form factor.