Second-hand SK Hynix 4GB 1Rx8 PC3-12800U-11-13-A1 is a standard 4GB DDR3 desktop memory module.
Capacity & Configuration: 4GB, Single Rank (1Rx8) — uses eight x8 memory chips.
· Standard & Speed: DDR3-1600 (PC3-12800U), running at 1600 MHz.
· Voltage: 1.5V standard DDR3. Note: The similar “PC3L” variant runs at 1.35V.
· Form Factor: 240-pin UDIMM (Unbuffered DIMM) for Desktop computers.
· Error Correction: Non-ECC (standard for consumer desktops).
· Part Number: HMT451U6AFR8C-PB (Common OEM SKU for this spec).
Compatibility & Usage
· System Requirements: Only compatible with desktop motherboards supporting DDR3 memory slots. It will not fit in DDR4 or DDR5 slots.
