Quantity X2 The "Origin 4GB DDR3 1600MHz SODIMM 2Rx8 Non-ECC 1.35V OM4G31600U2RX8NE135" modules are: DDR3 RAM: Older but still commonly used memory standard. 4GB capacity per module: You have 2 of these, totaling 8GB. 1600MHz speed: Decent for DDR3 memory, ensuring balanced performance. 2Rx8 (Dual Rank x8): Typically beneficial for slightly improved performance. Non-ECC: No error-correcting code, common for consumer-grade systems. 1.35V: Lower voltage DDR3L variant, usually compatible with systems supporting DDR3L RAM, using less power and generating less heat. Let me know if you need more information on compatibility or installation!
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