"As any overclocker will tell you, latency is the time required for requested data to become available for reading from memory. The lower the latency values, the faster the performance. Now Corsair raises the bar for DDR400 performance with our new XL line of low latency memory."

Press Release!!
www.corsairmicro.com
Key Features:
Memory amount: 2 x 512MB
Access time: 4.0ns Samsung IC's
400MHz (PC-3200) Unbuffered DDR Modules
CAS latency: 2 clock cycles
RAS precharge: 2 cycles
RAS active to precharge: 5 cycles
Command rate: 1T (1 cycle)
Black heat spreader for thermal diffusion
Latency: 2-2-2-5: 1T
2.75V
Lifetime Warranty

latest review:
legitreviews.com
This ram has been tested at 200mhz fsb@ 2-2-2-5@2.75v and will even run a blistering 2.5-3-3-7@250mhz at the same 2.75v for higher bandwith applications such as Intel and the up and coming A64 939 pin motherboards!!