Product Detail 4GB KIT OF 4(4x1GB) DDR 400 DIMM PC3200 168PIN CAS Latency 2.0 LOW DENSITY 64x8 Voltage 2.5V Comes with heat spreaders. Supports Dual Channel. 100% COMPATIBLE MEMORY CAPACITY: 4GB (4096MB) . The "Komputerbay 4GB 4 x 1GB DDR DIMM 184 pin 400Mhz PC 3200 Low Density Heat Spreaders CL2.0 4 GB KIT" is best product for you. We recommended Komputerbay 4GB 4 x 1GB DDR DIMM 184 pin 400Mhz PC 3200 Low Density Heat Spreaders CL2.0 4 GB KIT