http://www.zalman.co.kr/eng/product/view.asp?idx=231&code=
1. Compatible with all single and dual core CPUs for Intel Socket 775 and AMD Sockets AM2/754/939/940.
2. Automatic Fan Speed Control feature included in the Ultra Quiet 110mm PWM(Pulse Width Modulation) enabled fan.
3. 100% copper heatsink with aerodynamically optimized “tunnel” design for maximum cooling efficiency.
4. Innovative, patented, “figure 8” heatpipe design for a heat transfer capacity of up to six heatpipes with the use of just three.
5. 0.2mm ultra-slim fins for minimized weight and reduced airflow resistance.
6. Super Thermal Grease (ZM-STG1) included.
http://www.zalman.co.kr/eng/product/view.asp?idx=229&code=
1. Compatible with all single and dual core CPUs for Intel’s Socket 775 and AMD’s Socket AM2/754/939/940.
2.100% copper heatsink with aerodynamically optimized “tunnel” design for maximum cooling efficiency.
3. Innovative and patented, curved heatpipe design for a heat transfer capacity of up to six heatpipes with the use of just three.
4. 0.2mm ultra-slim fins for minimized weight and reduced airflow resistance.
5. Ultra quiet CNPS 110mm LED fan.
6. Does not generate noise or vibration in Silent Mode.
7. Adjustable fan speed controller (FAN MATE 2) included.
8. Super Thermal Grease (ZM-STG1) included.