17324 on default
19804 on lowest settings... didn't break 20k =(
Would've ramped up the speed some, but I'm skeptical of my temp probes so I'm not pushing the voltage. I'm getting ambient temp readings below 30 Celsius, and my room isn't that cold.
Edit: Added comparison link
P4 2.8 @ 3.15GHz
Swiftech MCX4000-B w/Delta 68CFM Fan
Gigabyte GA-8IHXP
1GB PC1066 RDRAM
Hercules Prophet 9700 Pro @ 353.3/715.6
Sound Blaster Audigy 2 Platinum
120GB Western Digital HDD w/8MB Cache
Klipsch ProMedia 5.1 Speakers
TDK 48x24x48 VeloCD
Toshiba 16x DVD
22" Mitsubishi 2070SB-BK
Lian-Li PC-71 Case
Enermax Whisper 550W PSU
