Crucial CT4G4SFS824A 4 GB (DDR4, 2400 MT/s, PC4-19200, Single Rank x8, SODIMM, 260-Pin) Memory

Memory Memory Technology DDR2 SDRAM Memory Size 1 GB Number of Modules 1 x 1 GB Memory Speed 667 MHz Memory Standard DDR2-667/PC2-5300 Error Checking Non-ECC Number of Pins 240-pin

Kingston 1 GB 533MHz DDR2 SODIMM Computer Memory Module Laptop Capacity 1 GB Speed 533MHz Memory Class DDR2 Memory Socket SODIMM Module Type PC2-4200 Pins 200 Voltage 1.8V CAS Latency 4

ValueRAM 64M x 64-bit (512MB) DDR2-667 CL5 SDRAM (Synchronous DRAM) memory module. The components on this module include eight 64M x 8-bit (16M x 8-bit x 4 Bank) DDR2-667 SDRAM in FBGA packages. This 240-pin DIMM uses gold contact fingers and requires +1.8V.

Corsair 2GB DDR3 1333 PC1066 DDR3, 2GB, Dual Channel, 1333 MHz