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| Product Type | Memory Module |
|---|---|
| Compliance Standards | EU RoHS,FCC |
| Memory Capacity | 4 GB |
| Memory Technology | DDR3 |
| RAM Speed | 1600 |
| RAM Standard | DDR3-1600/PC3-12800 |
| Signal Type | Unbuffered |
| Column Access Strobe (CAS) | CL11 |
| Rank | Single Rank x8 |
| Quantity of Pins | 204-pin |
| RAM Genre | SoDIMM |
This DDR3-1600 SO-DIMM is designed for notebook and mobile workstation upgrades, delivering a 4 GB capacity with a single-rank x8 configuration that reduces the load on the memory controller for more stable operation. With its unbuffered architecture and CL11 timing, it provides a straightforward, plug-and-play solution ideal for extending the lifespan of older laptops used in everyday productivity and light multitasking workloads.
1. SoDIMM form factor ensures a straightforward drop-in upgrade for laptops, avoiding compatibility headaches with slim notebook chassis.
2. A 4-gigabyte capacity breathes new life into aging systems, letting users keep multiple browser tabs and office apps open without slowdowns.
3. DDR3-1600 transfer rate doubles the throughput of older DDR3-1066, making file launches and media playback perceptibly smoother during everyday multitasking.
4. CL11 timings reduce wait states for the memory controller, delivering snappy input response that benefits productivity work and casual browsing alike.
5. Unbuffered signal type strips away unnecessary register components, lowering power draw and heat generation inside tightly packed portable enclosures.
Designed specifically for notebook platforms, the Samsung M391B5173EB0-YK0 is a 4GB DDR3-1600 Unbuffered SODIMM that directly addresses the real-world demands of mobile professionals and upgraders alike. Its 1600 MT/s speed and single-rank x8 architecture deliver snappy responsiveness when you are juggling large spreadsheets, presenting from a mobile workstation, or running a lightweight virtual machine while traveling. Because this is an unbuffered module, you get lower latency compared to registered alternatives, meaning the processor spends less time waiting for instructions—a difference you instantly feel during rapid window switching and data lookups in a compact ultrabook.
The 204-pin SODIMM form factor and single-rank layout are equally critical for seamless upgrades. Many thin-and-light laptops and aging business notebooks only accept single-rank, 1.35V-compatible modules to stay within strict power and thermal budgets. Installing this DRAM extends battery life during long flights and tense client meetings by drawing less current, while the compact footprint slips easily into accessible slots. Whether you are reviving a travel companion or bolstering a portable CAD terminal, this memory delivers the compatibility, power efficiency, and reliable throughput you need without guesswork or aggressive tuning.
This DDR3-1600 unbuffered 204-pin SODIMM is a notebook memory module. Ideal for upgrading older laptops, mini-PCs, and all-in-one systems, it runs at 1.5 V with CL11 timings. Below are capacity planning guidelines based on typical laptop workloads.
Laptop Upgrade
For basic multitasking and modern web browsing, replace a single 2 GB or 4 GB stick with one 4 GB module to reach a stable baseline. If your laptop has two slots, install a matched pair in dual-channel configuration for 8 GB total – this dramatically improves integrated graphics performance and system responsiveness.
Mobile Workstation
Professional CAD, video editing, and virtualization demand ample memory. Populate both SO-DIMM slots with these 4 GB modules (8 GB dual-channel) as a minimum. For heavier datasets, consider upgrading to two 8 GB modules if the chipset supports it; 16 GB ensures smooth operation of creative suites and multiple VMs.
Ultrabook Power Saving
A single 4 GB module consumes less power than a dual-module setup, preserving battery life. Pair it with a fast SSD to minimize swap activity. Since this is standard-voltage DDR3, ultrabooks that support DDR3L (1.35 V) may benefit from a low-voltage alternative, but a lone stick still helps extend runtime during light productivity.
M391B5173EB0-YK0 rigorously tested for notebook compatibility: compatible with ThinkPad T430, Latitude E6430, EliteBook 8570p.
Q: Can I mix this M391B5173EB0-YK0 with other memory modules of different brands or speeds?
A: Mixing modules is not recommended. For notebook stability, match identical part numbers and specs. Mismatched speeds may force the system to the lowest common DDR3-1600 or slower, potentially causing boot issues.
Q: Is this memory compatible with my system?
A: This 204-pin DDR3 SoDIMM fits notebooks with DDR3 slots, typically Intel 2nd/3rd Gen Core or AMD equivalent. Verify your laptop supports DDR3-1600, unbuffered, non-ECC, 4GB, and 1.5V before purchase.
Q: What is the recommended DIMM population order for optimal performance?
A: Install matched pairs in dual-channel slots for best performance. If using a single module, place it in the primary slot. Always check the notebook service manual for exact slot numbering to enable dual-channel.
Q: Does this module support overclocking or XMP profiles?
A: No. This JEDEC-compliant DDR3-1600 CL11 unbuffered SoDIMM does not support XMP or manual overclocking. Notebook BIOS typically locks such adjustments, ensuring stable operation at rated speed.
Q: What warranty and typical failure rate can I expect?
A: It includes a 1-year warranty. The module undergoes rigorous testing for reliability; failure rate is extremely low under normal conditions, offering dependable long-term performance for your notebook.