The specs here
Processor
- Intel® AtomTM processor 1.6 GHz on-board (TDP Max 4 W)
FSB
- CMOS, 533 MHz, 32-bit address
Chipset
- North Bridge: Intel® 945GC chipset
- South Bridge: Intel® ICH7 chipset
Memory
- DDR2 400/ 533 SDRAM (200-Pin/ 1.8 V)
- 1 DDR2 SO-DIMM slot (2 GB Max) (Non-ECC)
LAN
- Supports Gigabit Ethernet Controller for PCI ExpressTM Applications
by Realtek® RTL8111C
- Supports ACPI Power Management
- Compliant with PCI 2.2
Audio
- Chip integrated by Realtek® ALC888
- Flexible 8-channel audio with jack sensing
- Compliant with Azalia 1.0 spec and Microsoft® Windows® Vista
Premium spec
SATA
- 2 SATAII ports by Intel® ICH7, support two SATA devices
- Supports storage and data transfers up to 3 Gb/s
On-Board Slot
- 1 mini-PCI express slot (for WiFi card or TV tuner card)
- 1 CF card slot (for CF card)
MSI Computer Corp. - Product
I think this would be a cool server setup that tops off around $300 w/o WHS but with a 640 GB HDD, DVD-RW, and 1Gb of RAM if it can work
/oh it's $450 with the WHS software