Specs:
-Support for DVD-video, DVD-ROM, DVD-R/RW, CD-DA, CD-ROM, CD-R/RW, WMA CD, MP3 CD, JPEG photo CD
-All games support 16:9, 720p and 1080i, anti-aliased (HDTV capable)
-Customizable face plates
-3 USB2.0 ports
-Support for 4 wireless controllers
-Removable 20GB drive
-Wi-Fi ready - 802.11 b and g with built in MCE 2005 media expander
Custom IBM PowerPC-based CPU
-3 symmetrical cores at 3.2 GHz each
-2 hardware threads per core
-1 VMX-128 vector unit per core
-1 MB L2 cache
CPU Game Math Performance
-9 billion dots per second
Custom ATI Graphics Processor
-500 MHz
-10 MB embedded DRAM
-48-way parallel floating-point shader pipelines
-unified shader architecture
Memory
-512 MB GDDR3 RAM
-700 MHz DDR
Memory Bandwidth
-22.4 GB/s memory interface bus bandwidth
-256 GB/s memory bandwidth to EDRAM
-21.6 GB/s frontside bus
Audio
-Multi channel surround sound output (5.1 surround sound)
-Supports 48kHz 16-bit audio
-320 independent decompression channels
-32-bit processing
-256 audio channels
The CPU's are water cooled too to reduce noise and they are using 2 fans rather than a single fan for over all cooling to keep the noise down too which is good, how quiet it is or is not though is unknown yet.