Left RAM Stick (Samsung) • Brand: Samsung • Capacity: 2GB • Configuration: 2Rx8 (Dual Rank) • Type: PC2-6400U (DDR2 operating at 800 MHz) • Latency/Specs: 666-12-E3 • Model Number: M378T5663QZ3-CF7 • Manufacturing Info: Made in China, date code 0844 (late 2008) Right RAM Stick (Hynix) • Brand: Hynix • Capacity: 1GB • Configuration: 1Rx8 (Single Rank) • Type: PC2-6400U (DDR2 operating at 800 MHz) • Latency/Specs: 666-12 • Model Number: HYMP112U64CP8-S6 AB • Manufacturing Info: Date code 0940 (late 2009)