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Total Micro 16GB DDR4 2666MHz PC4-21300 Unbuffered Non-ECC 1.2
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- Manufacturer: TOTAL MICRO TECHNOLOGIES
- Manufacturer Part Number: 4X70W30751TM
- UPC: 812382032735
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Overview
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Technical Information
- Memory Size: 16 GB
- Memory Technology: DDR4 SDRAM
- Memory Speed: 2666 MHz
- Memory Standard: DDR4-2666/PC4-21333
- Number of Pins: 260-pin
- Form Factor: SoDIMM
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
Return Policies
- Return for refund until: January 31, 2026
- Return for replacement until: January 31, 2026
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-438-3014
- Support Website
- View other products from Total Micro Technologies
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Total Micro 16GB DDR4-2666 desktop memory is an unbuffered, non-ECC module with Intel XMP 2.0 support, suitable for desktop upgrades when the system supports this memory type and speed.
Recommended For
- Owners of a compatible laptop or compact PC with a 260-pin DDR4 SO-DIMM slot who want to replace or add a 16GB memory module; confirm the exact system’s supported capacity and speed first.
- Users upgrading a compatible system for everyday multitasking—such as keeping more browser tabs, office apps, and communication tools open—who need a single 16GB DDR4-2666 module.
- Repairers replacing a failed or missing 16GB DDR4-2666 SO-DIMM in a compatible system, especially when matching the Lenovo 4X70W30751 part family is useful.
- Owners of older DDR4 systems whose supported memory speed is 2666 MT/s or lower and who want a standard 1.2V, unbuffered, non-ECC module rather than a high-speed desktop memory kit.
Real-World Use Scenarios
- When a compatible PC is upgraded to 16GB total, users can keep a browser, email, documents, and a spreadsheet open together with fewer slowdowns caused by running short on memory.
- For everyday home or school use—web browsing, video calls, streaming, and writing assignments—16GB total gives those routine apps more room to run at the same time.
- For casual gaming on a compatible PC with 16GB total, users can play many games while keeping a few background apps open; demanding games or heavier multitasking may still benefit from more memory.
- When switching between office apps, browser tabs, and light photo or graphics work, 16GB total can reduce memory pressure; large media projects and other intensive workloads may need more.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Adding 16 GB of DDR4 memory to a system compatible with 240-pin DIMM modules |
| Capacity | 16 GB |
| Memory Type And Speed | DDR4 memory rated at 2666 MHz |
| Module Configuration | 240-pin DIMM |
| Performance Profile | Intel XMP 2.0 |
| Model Identifiers | Total Micro; model number 4X70W30751-TM |



