Short info: MemorySolutioN - DDR2 - 4 GB - SO DIMM 200-PIN - 800 MHz / PC2-6400 - 1.8 V - unbuffered - non-ECC - for Dell Latitude E6400, E6400 ATG, E6400 XFR Group RAM Manufacturer MemorySolutioN Product Art. No. MS4096DE118 Model EAN/UPC 4047762282349 Product Description: MemorySolutioN - DDR2 - 4 GB - SO DIMM 200-PIN Product Type RAM Memory Capacity 4 GB Memory Type DDR2 SDRAM - SO DIMM 200-PIN Expansion Type System Specific Data Integrity Check Non-ECC Speed 800 MHz (PC2-6400) Performance Features Unbuffered Voltage 1.8 V Equivalent part number OEM manufacturer DELL A1837303 Designed for Dell Latitude E6400, E6400 ATG, E6400 XFR Detailed Details General Capacity 4 GB Expansion Type System Specific Equivalent part number OEM manufacturer DELL A1837303 Memory Type DRAM Technology DDR2 SDRAM Form Factor SO DIMM 200-PIN Speed 800 MHz (PC2-6400) Data Integrity Check Non-ECC Features Unbuffered Voltage 1.8 V Compatibility Information.