### 4GB DDR4 Laptop Notebook RAM SO-DIMM Memory Module - High-Performance Upgrade Stick (2400MHz and Higher)
Banish frustrating laptop freezing, eliminate slow application loading times, and restore smooth, responsive multi-tasking across your mobile workstation. Up for sale is a high-quality, pre-owned 4GB DDR4 Laptop RAM SO-DIMM Memory Module finished on its compact micro-circuit board layout. Sourced from clean corporate office laptop pulls and manufactured by a global tier-one electronics house, this reliable 260-pin memory stick is fine-tuned to deliver absolute computing stability.
Featuring a fast data clock speed frequency and optimized latency timings, it lets your system move data chunks effortlessly without bottlenecking your daily workflow.
***THE UNIVERSAL BACKWARD-COMPATIBILITY ADVANTAGE: This is a premium high-speed DDR4 memory module. It is engineered with smart backward-compatible architecturemeaning if your laptop's motherboard or existing RAM stick runs at 2400MHz, this module will drop straight into the open slot alongside it, automatically adjust its timing profiles, and run perfectly in sync. It is the ultimate low-cost hardware upgrade to give an older student notebook, home office laptop, or workshop diagnostic terminal a massive injection of speed for pocket money. The "Make an Offer" feature is enabled for a quick transaction turnaround.***
#### COMPATIBILITY MATCH NOTE: This is standard SO-DIMM memory built exclusively for compact Laptop notebooks, mini PCs, and compatible Apple iMac systems. It will NOT physically fit or match inside standard full-sized Desktop computer towers, which require longer DIMM memory slots.
#### SIMPLE LAYMAN GUIDE - HOW THIS 4GB DDR4 LAPTOP RAM STICK EMPOWERS YOU
You do not need to be an advanced senior hardware systems engineer or a certified laptop technician to upgrade your computer's memory. Here is how it works:
1. Instantly Stops System Slowdowns: Does your laptop freeze up, lag, or stutter the second you open more than three internet browser tabs, open a PDF document, or try to load a spreadsheet? Your system has run out of RAM workspace memory. Adding this 4GB stick expands your laptop's brain space, making it instantly responsive.
2. Safe Plug-and-Play Installation: No complex software setups or confusing programming codes required. You simply turn off your laptop, remove the bottom base cover, slide this memory stick straight flat down into the open angled slot, and press it down until the metal side clips click shut. It installs automatically.
3. Smooth, Synced Performance: Built to work cleanly alongside your existing RAM configurations, it matches international JEDEC electrical standards, ensuring it communicates smoothly with your processor without causing random blue-screen errors or data corruption loops.
4. Extends Portable Battery Life: Running on a low-voltage 1.2V structural power footprint, it draws minimal electricity from your system board and runs exceptionally cool 24/7, preserving your notebook's portable battery runtime capacity.
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#### Key Technical Specifications
* Product Classification: Standard Laptop Notebook Memory Module (SO-DIMM)
* Memory Capacity Allocation: 4 Gigabytes (4GB Single Memory Stick)
* Memory Generation Style: High-Reliability DDR4 Synchronous DRAM Architecture
* Connection Bus Speed: High-Speed 2666MHz / 2400MHz Native Compatibility (PC4-21300 / PC4-19200 Matrix)
* Physical Interface Terminal: Standard 260-Pin Gold-Plated Connector Track Matrix
* Data Integrity Feature: Non-ECC Unbuffered (Standard Laptop/Notebook Class)
* Electrical Input Profile: Low-voltage energy efficiency engineering (1.2V Operational Power Draw)
* Primary Deployment Optimization: Office Laptops, Student Notebooks, Mini-PCs, and Budget Laptop Upgrades
#### Condition Report
* Memory Core Matrix: 100 percent functional operational condition. Every module undergoes rigorous hardware diagnostics, passing continuous multi-loop MemTest86 diagnostic blocks with zero data pattern errors, zero address bit failures, and zero processing latency drops.
* Interface Gold Pins: Every single one of the 260 gold-plated contact teeth points on the lower alignment edge is perfectly straight, clean, untarnished, and entirely free of scratches, burn markers, or stray debris.
* Physical RAM Body: The printed micro-circuit board (PCB) and all mounted black memory chips are completely solid, unbent, clean, and free of edge fracturing, chips, or handling grease wear.
#### Package Includes
* 1 x 4GB DDR4 High-Performance Laptop PC RAM SO-DIMM Memory Module Stick
* *(Note: Laptop base shells, components, or tools shown in inventory images apply as visualization examples and are not included in this sale lot).*
#### Terms and Conditions
* Payment must be processed securely through Bob Pay within 48 hours of winning the listing or having a custom trade offer accepted.
* Given the highly sensitive electrostatic parameters of internal computing parts, the RAM module will be packaged with extreme care inside specialized anti-static protective film bagging, layered between rigid high-impact protective cardboard sheets, and dispatched via courier within 2448 hours of cleared payment to guarantee safe transit.
* Please explicitly check your existing laptop manual to ensure it accepts standard mobile DDR4 SO-DIMM memory slots before completing your purchase or submitting an offer.