Product information: 1GB (2 x 512MB) PC4000 Dual Channel Gold Series EL-DDR CAS2.5 REVISION 2OCZ Gold Series PC-4000 Revision 2 product is the re-engineered and upgraded version of the popular OCZ PC-4000 Gold family of products. Now capable of blistering timings of 2.5-3-3, the 500MHz module is the ideal solution for high-resolution 3D applications, memory-hungry digital video editing software and extreme gaming programs. Each PC-4000 Rev 2 module is encased in a gold layered copper heatspreader for efficient heat dissipation. Other features include a lifetime warranty; toll-free technical support, and the exclusive EVP® (Extended Voltage Protection) coverage. OCZ PC-4000 products are 100% hand-tested to ensure compliance with stringent quality standards. In addition, every Dual Channel Kit from OCZ is hand tested as a matched pair across a wide variety of motherboards to ensure flawless performance on most motherboards. Additionally, the OCZ Gold Series PC-4000 Rev 2 is enhanced with HyperSpeed® Technology and Ultra-Low Noise features. Clearly, OCZ Gold is the only choice for memory upgrades requiring the strongest performing and highest quality memory available.