The Samsung 4GB DDR3 PC3-12800 desktop RAM is a widely compatible memory upgrade module running at an effective clock speed of 1600 MHz. It is a single-rank, unbuffered, non-ECC UDIMM configured with 240 contact pins, built strictly for standard desktop computer motherboards.
๐ ๏ธ Tech Specs & Part Variations
Depending on the specific factory batch or model variation (such as the common M378B5173QH0 or M378B5173EB0 part lines), these Samsung modules generally adhere to the following specifications:
Capacity & Structure: 4GB module (typically built on a 1Rx8 single-rank structure).
Latency Profile: CAS Latency 11 (standard JEDEC timings of 11-11-11).
Voltage Modes:
Standard PC3-12800 modules run natively at 1.5V.
Dual-voltage PC3L-12800U options run at a power-saving 1.35V but offer backward-compatibility with older 1.5V desktop architectures.
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