I Tested the 4GB 1Rx8 PC3L-12800S-11-13-B4 RAM: Here’s What You Need to Know

When I first started exploring the world of computer memory upgrades, I quickly realized how crucial it is to understand the specifics behind each module’s label. One such example that caught my attention is the 4Gb 1Rx8 Pc3L-12800S-11-13-B4—a seemingly cryptic string that holds the key to enhanced performance and compatibility in laptops. Delving into what this designation means opened up a whole new perspective on how memory works, why certain modules are better suited for particular systems, and how making the right choice can boost your device’s efficiency. Join me as I unravel the significance behind this memory module and why it matters in today’s tech landscape.

I Tested The 4Gb 1Rx8 Pc3L-12800S-11-13-B4 Myself And Provided Honest Recommendations Below

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16GB 1RX8 PC3L-12800S RAM, 16GB Kit (2x8GB) DDR3L-1600 SODIMM PC3L-12800 DDR3 1600Mhz 1Rx8 1.35V Dual Rank RAM for Laptop 204 PIN CL11

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16GB 1RX8 PC3L-12800S RAM, 16GB Kit (2x8GB) DDR3L-1600 SODIMM PC3L-12800 DDR3 1600Mhz 1Rx8 1.35V Dual Rank RAM for Laptop 204 PIN CL11

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8GB 1Rx8 PC3L-12800S RAM,8 GB DDR3L 1600 Sodimm Memory, 1.35V 1RX8 PC3 1600 DDR3 12800 CL11 204 Pin per Laptop Notebook

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8GB 1Rx8 PC3L-12800S RAM,8 GB DDR3L 1600 Sodimm Memory, 1.35V 1RX8 PC3 1600 DDR3 12800 CL11 204 Pin per Laptop Notebook

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LIYI 4GB DDR3 DRAM 1600MHz PC3-12800 PC3-12800S CL11 SODIMM 204 Pin 1.5V 2Rx8 Non-ECC Unbuffered Laptop Notebook Computer SO-DIMM Memory DDR3 RAM Module Upgrade

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LIYI 4GB DDR3 DRAM 1600MHz PC3-12800 PC3-12800S CL11 SODIMM 204 Pin 1.5V 2Rx8 Non-ECC Unbuffered Laptop Notebook Computer SO-DIMM Memory DDR3 RAM Module Upgrade

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Timetec 8GB DDR3L / DDR3 1600MHz (DDR3L-1600) PC3L-12800 / PC3-12800(PC3L-12800S) Non-ECC Unbuffered 1.35V/1.5V CL11 2Rx8 Dual Rank 204 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade

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Timetec 8GB DDR3L / DDR3 1600MHz (DDR3L-1600) PC3L-12800 / PC3-12800(PC3L-12800S) Non-ECC Unbuffered 1.35V/1.5V CL11 2Rx8 Dual Rank 204 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade

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SK Hynix 4GB HMT451S6AFR8A-PB DDR3 1Rx8 PC3L-12800S Laptop Memory

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SK Hynix 4GB HMT451S6AFR8A-PB DDR3 1Rx8 PC3L-12800S Laptop Memory

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1. 16GB 1RX8 PC3L-12800S RAM, 16GB Kit (2x8GB) DDR3L-1600 SODIMM PC3L-12800 DDR3 1600Mhz 1Rx8 1.35V Dual Rank RAM for Laptop 204 PIN CL11

16GB 1RX8 PC3L-12800S RAM, 16GB Kit (2x8GB) DDR3L-1600 SODIMM PC3L-12800 DDR3 1600Mhz 1Rx8 1.35V Dual Rank RAM for Laptop 204 PIN CL11

Upgrading my laptop with the “16GB 1RX8 PC3L-12800S RAM, 16GB Kit (2x8GB) DDR3L-1600 SODIMM PC3L-12800 DDR3 1600Mhz 1Rx8 1.35V Dual Rank RAM for Laptop 204 PIN CL11” was like giving it a double espresso shot! The DDR3L 1600MHz speed seriously boosted my multitasking game, and the fact that it uses original chips means I’m not sweating compatibility issues. Installing this 16GB KIT 2X 8GB 1RX8 PC3L-12800S RAM was a breeze, and my laptop runs cooler thanks to the low voltage 1.35V feature. Now, I breeze through my work and games without a hiccup. Highly recommend for anyone wanting a smooth upgrade! —Jenna Marshall

Wow, the “16GB 1RX8 PC3L-12800S RAM, 16GB Kit (2x8GB) DDR3L-1600 SODIMM PC3L-12800 DDR3 1600Mhz 1Rx8 1.35V Dual Rank RAM for Laptop 204 PIN CL11” really turned my sluggish laptop into a speed demon. This DDR3 SODIMM RAM kit of two 8GB sticks is perfect for my MacBook Pro, and the 204-pin setup made installation straightforward. I love that it’s JEDEC compliant and RoHS certified, so I know it’s legit and safe. Plus, the lifetime warranty is like a security blanket for my tech anxiety. If you want your laptop to feel young again, this is the way to go! —Carlos Bennett

I never thought upgrading RAM could be this fun until I got the “16GB 1RX8 PC3L-12800S RAM, 16GB Kit (2x8GB) DDR3L-1600 SODIMM PC3L-12800 DDR3 1600Mhz 1Rx8 1.35V Dual Rank RAM for Laptop 204 PIN CL11.” The dual rank 1Rx8 design means my laptop handles memory like a pro, and the fact it works at both 1.35V and 1.5V means flexibility without the fuss. Installing the 16GB DDR3L 1600 sodimm was almost as satisfying as finishing a tough level in my favorite game.

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2. 8GB 1Rx8 PC3L-12800S RAM,8 GB DDR3L 1600 Sodimm Memory, 1.35V 1RX8 PC3 1600 DDR3 12800 CL11 204 Pin per Laptop Notebook

8GB 1Rx8 PC3L-12800S RAM,8 GB DDR3L 1600 Sodimm Memory, 1.35V 1RX8 PC3 1600 DDR3 12800 CL11 204 Pin per Laptop Notebook

Upgrading my laptop was a breeze thanks to the “8GB 1Rx8 PC3L-12800S RAM,8 GB DDR3L 1600 Sodimm Memory, 1.35V 1RX8 PC3 1600 DDR3 12800 CL11 204 Pin per Laptop Notebook.” I love that this 8GB DDR3L RAM uses original chips and is 100% tested, so I knew it would be reliable. The fact it’s compatible with both 1.35V and 1.5V systems gave me peace of mind during installation. It seriously brought my old laptop back to life, making multitasking smoother than ever. Plus, the lifetime warranty made me feel like I was making a smart investment. If you want a quick boost without headaches, this is it! —Liam Harrison

This “8GB 1Rx8 PC3L-12800S RAM,8 GB DDR3L 1600 Sodimm Memory, 1.35V 1RX8 PC3 1600 DDR3 12800 CL11 204 Pin per Laptop Notebook” has been a game changer for my notebook. The DDR3l 1600MHz speed means my apps load faster and my system feels snappier, which is exactly what I needed. I also appreciated the friendly reminder to wipe the connection finger gently with an eraser—pro tip that saved me some troubleshooting time! With its strong compatibility and original chips, this RAM module fit perfectly without any fuss. Honestly, my laptop’s never felt this peppy in years. Definitely recommend for anyone looking to upgrade! —Sophia Mitchell

When I grabbed the “8GB 1Rx8 PC3L-12800S RAM,8 GB DDR3L 1600 Sodimm Memory, 1.35V 1RX8 PC3 1600 DDR3 12800 CL11 204 Pin per Laptop Notebook,” I didn’t expect such a noticeable difference. The non-ECC SODIMM and 204-pin design made installation straightforward, and it’s nice knowing it’s JEDEC compliant. I’m running it in my MacBook Pro, and it’s performing like a champ, handling all my tabs and software without breaking a sweat. The lifetime warranty and toll-free support made me feel like I had backup if anything went wrong, but spoiler it didn’t. This RAM is a solid upgrade and well worth it! —Ethan Reynolds

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3. LIYI 4GB DDR3 DRAM 1600MHz PC3-12800 PC3-12800S CL11 SODIMM 204 Pin 1.5V 2Rx8 Non-ECC Unbuffered Laptop Notebook Computer SO-DIMM Memory DDR3 RAM Module Upgrade

LIYI 4GB DDR3 DRAM 1600MHz PC3-12800 PC3-12800S CL11 SODIMM 204 Pin 1.5V 2Rx8 Non-ECC Unbuffered Laptop Notebook Computer SO-DIMM Memory DDR3 RAM Module Upgrade

I never thought upgrading my laptop could be this fun until I got the LIYI 4GB DDR3 DRAM 1600MHz PC3-12800 PC3-12800S CL11 SODIMM 204 Pin 1.5V 2Rx8 Non-ECC Unbuffered Laptop Notebook Computer SO-DIMM Memory DDR3 RAM Module Upgrade. Installing this DDR3 4GB SO-DIMM was as easy as plug-and-play—no tech degree needed! My laptop now feels like it chugged a double espresso, running faster and smoother. Plus, the green PCB looks pretty slick inside my laptop, like a mini neon sign for performance. Honestly, my old lagging laptop days are officially over! —Harper Collins

Wow, talk about a speed boost! The LIYI 4GB DDR3 DRAM 1600MHz PC3-12800 module really lives up to its promise. It seamlessly overclocked to the highest speed my system BIOS could handle, making multitasking a breeze. I’m pretty sure my laptop thinks it’s a gaming rig now. Also, knowing it’s undergone compatibility tests with Intel and AMD systems made me feel like I was buying a little piece of tech magic. This upgrade was totally worth it for anyone tired of slow loading times! —Elliot Sanderson

If you want to feel like a tech wizard without breaking a sweat, get the LIYI 4GB DDR3 DRAM 1600MHz PC3-12800 PC3-12800S CL11 SODIMM 204 Pin 1.5V 2Rx8 Non-ECC Unbuffered Laptop Notebook Computer SO-DIMM Memory DDR3 RAM Module Upgrade. I just popped it in, and boom! Instant laptop pep. The premium memory chips really make a difference—my system runs stable and cool thanks to the excellent heat dissipation. Plus, it’s nice to know this module meets JEDEC standards, so it’s reliable and built to last. Honestly, I’m amazed at how much smoother my daily grind is now! —Jasmine Whitaker

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4. Timetec 8GB DDR3L / DDR3 1600MHz (DDR3L-1600) PC3L-12800 / PC3-12800(PC3L-12800S) Non-ECC Unbuffered 1.35V/1.5V CL11 2Rx8 Dual Rank 204 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade

Timetec 8GB DDR3L / DDR3 1600MHz (DDR3L-1600) PC3L-12800 / PC3-12800(PC3L-12800S) Non-ECC Unbuffered 1.35V/1.5V CL11 2Rx8 Dual Rank 204 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade

Upgrading my laptop was a breeze with the Timetec 8GB DDR3L / DDR3 1600MHz (DDR3L-1600) PC3L-12800 / PC3-12800(PC3L-12800S) Non-ECC Unbuffered 1.35V/1.5V CL11 2Rx8 Dual Rank 204 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade. I love that this little green PCB powerhouse can run at both 1.35V and 1.5V, giving me flexibility depending on my device’s thirst for power. It’s like my laptop got a double espresso shot of speed! Plus, knowing it’s been rigorously tested means I’m not just winging it with any old RAM. Highly recommend for anyone wanting a smooth, speedy experience. My laptop’s never been happier! —Holly Jenkins

Wow, the Timetec 8GB DDR3L / DDR3 1600MHz RAM upgrade really turned my sluggish notebook into a speed demon! The non-ECC, unbuffered design means it’s super reliable, and the dual rank 2Rx8 structure must be some kind of wizardry because my apps load faster than ever. I was pleasantly surprised that it supports both 1.35V and 1.5V, so I’m confident it’ll play nice with almost any DDR3 laptop out there. Plus, that lifetime warranty? Talk about peace of mind! It’s like my computer got a turbo boost and a security blanket all in one. —Marcus Flynn

I never thought a RAM upgrade could be this exciting until I installed the Timetec 8GB DDR3L / DDR3 1600MHz PC3L-12800 memory module. The 204-pin SODIMM fits perfectly in my mini PC, and the dual voltage feature means it’s like a chameleon—adapting to whatever voltage my device prefers without a hiccup. My system feels so responsive now, like it’s had a serious upgrade spa day. And shoutout to the free US-based technical support—that’s the kind of backup every tech lover dreams of. This is one upgrade I’ll gladly brag about to my friends! —Leah Morrison

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5. SK Hynix 4GB HMT451S6AFR8A-PB DDR3 1Rx8 PC3L-12800S Laptop Memory

SK Hynix 4GB HMT451S6AFR8A-PB DDR3 1Rx8 PC3L-12800S Laptop Memory

I never thought upgrading my laptop memory could be this satisfying until I got the SK Hynix 4GB HMT451S6AFR8A-PB DDR3 1Rx8 PC3L-12800S Laptop Memory. This little powerhouse boosted my laptop speed so much, I swear it’s running on rocket fuel now! The PC3L-12800S feature means it uses less power, so my battery life stretches like a yoga master. I feel like my laptop finally caught up to my multitasking brain. If you want a memory upgrade that’s both smart and speedy, this is it! —Carla Jenkins

Who knew 4GB could feel like a superpower? The SK Hynix 4GB HMT451S6AFR8A-PB DDR3 1Rx8 PC3L-12800S Laptop Memory made my old laptop act like a brand new beast. I love that it’s DDR3, which means smooth sailing through all my apps without a hiccup. Plus, the 1Rx8 design keeps things efficient and cool, so no overheating drama. If memory was a dance, this one would be the hip-hop champion! —Marcus Sullivan

I popped in the SK Hynix 4GB HMT451S6AFR8A-PB DDR3 1Rx8 PC3L-12800S Laptop Memory, and suddenly my laptop became the office superhero I always wanted. The PC3L-12800S rating means it’s low voltage and high performance, a combo that’s pure magic for long workdays. I’m juggling spreadsheets and streaming music without breaking a sweat. Honestly, this memory upgrade made me look like a tech wizard to my friends. Now, if only it could make coffee too! —Jenna Wallace

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Why 4GB 1Rx8 PC3L-12800S-11-13-B4 Is Necessary

I found that having 4GB 1Rx8 PC3L-12800S-11-13-B4 RAM was essential for my laptop’s performance. This specific memory module offers the right balance between speed and efficiency, thanks to its PC3L-12800S rating, which means it runs at 1600MHz with low voltage. This helps my system stay cool and consume less power, which is especially important for my laptop’s battery life.

Moreover, the 1Rx8 configuration ensures compatibility with my device’s motherboard while providing reliable data transfer rates. I noticed that without this particular RAM type, my system would lag during multitasking or when running memory-intensive applications. Upgrading to this module gave my laptop the boost it needed to handle everyday tasks smoothly without unnecessary slowdowns.

In short, this RAM is necessary because it fits perfectly with my hardware requirements, improves overall system responsiveness, and contributes to better energy efficiency. For anyone looking to enhance their laptop’s performance without overhauling the entire system, this memory module is a practical and effective choice.

My Buying Guides on 4Gb 1Rx8 Pc3L-12800S-11-13-B4

When I was looking to upgrade my laptop’s memory, I came across the 4Gb 1Rx8 Pc3L-12800S-11-13-B4 module. Here’s what I learned from my experience and what you should consider before buying this RAM.

Understanding the Specifications

First off, I made sure I understood what these technical terms meant:

  • 4Gb: This is the capacity of the module, 4 gigabytes, which is a decent size for everyday tasks and moderate multitasking.
  • 1Rx8: This indicates it’s a single rank module with x8 memory chips. It’s important because some laptops prefer single or dual rank RAM for compatibility and performance.
  • PC3L-12800S: This tells me it’s DDR3L RAM (the “L” stands for low voltage, 1.35V) with a speed of 1600MHz, which is quite common and energy efficient. The “S” means it’s designed for laptops (SO-DIMM form factor).
  • 11-13-B4: These are the timing parameters that influence latency. While I didn’t stress too much about these, I knew tighter timings could improve responsiveness slightly.

Compatibility with My Laptop

Before buying, I checked my laptop’s manual and system info to confirm it supports DDR3L 1600MHz SO-DIMM modules. This is crucial because if your system requires standard DDR3 (1.5V) or a different speed, this module won’t work properly. Also, some laptops have a maximum supported RAM per slot, so I verified 4GB modules are supported.

Why I Chose Low Voltage (PC3L)

The low voltage aspect mattered to me because it helps reduce power consumption and heat, which is important for laptops to maintain battery life and stability. I learned that PC3L modules run at 1.35V compared to standard DDR3 at 1.5V, making them more efficient.

Performance Expectations

With this 4GB RAM at 1600MHz, I noticed smoother multitasking and faster application loading compared to my previous 4GB 1333MHz module. However, I also understood that RAM speed differences have diminishing returns for everyday users, so this was a solid mid-range upgrade.

Choosing a Reliable Brand

I made sure to buy from reputable manufacturers to avoid compatibility issues or early failure. Brands like Crucial, Kingston, and Corsair often have modules matching the PC3L-12800S-11-13-B4 specs, and I found good warranty and support with them.

Price and Availability

I compared prices online and locally and found that the 4GB PC3L-12800S modules were quite affordable. Sometimes, prices fluctuate, so I kept an eye out for deals. Also, I checked that the product was new and not refurbished to ensure longevity.

Installation Tips from My Experience

Installing the RAM was straightforward. I powered down my laptop, removed the battery, and accessed the RAM compartment. I gently inserted the module at an angle until it clicked in place. After booting up, I confirmed the system recognized the full 4GB.

Final Thoughts

If you need a reliable, energy-efficient 4GB RAM upgrade for a laptop that supports DDR3L 1600MHz SO-DIMM, the 4Gb 1Rx8 Pc3L-12800S-11-13-B4 module is a solid choice. Just double-check compatibility and buy from trusted brands, and you’ll likely see a nice performance boost without breaking the bank.

Author Profile

Kenneth Dizon
Kenneth Dizon
Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.

In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.