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Stable memory module with good compatibility.
Lenovo 7X77A01302 16GB*1
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Lenovo ThinkSystem 16GB TruDDR4 2666 MHz (1Rx4 1.2V) RDIMM
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Lenovo 7X77A01302 16GB*1
- Description:
- Lenovo ThinkSystem 16GB TruDDR4 2666 MHz (1Rx4 1.2V) RDIMM
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- Brand:
- Lenovo
- GTIN:
- 889488476312
- Condition:
3 Year Extended Warranty
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Lenovo 7X77A01302 16GB*1 Overview
Lenovo 7X77A01302 16GB*1 is a high-performance DDR4 SO-DIMM memory module engineered for modern laptop systems. It delivers a robust 16 GB capacity at a speed of 3200 MHz with a CAS latency of CL22 and operates on a low 1.2V, ensuring efficient and reliable performance in single channel configurations.
This non-ECC, unbuffered module is designed without a heatsink or RGB lighting, making it ideally suited for general use in everyday laptop computing as well as in professional workstation environments. Its optimized design meets the demands of various computing builds while ensuring stability and compatibility with Lenovo’s premium system platforms.
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Lenovo 7X77A01302 16GB*1 Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 16 GB
- Compatible Platforms
- Laptop
- Compatible Systems
- N/A
- Form Factor
- SODIMM
- Kit Configuration
- Single Channel
- Speed
- 3200 MHz
- Operating Temperature
- N/A
- Reliability Rating
- N/A
- CAS Latency (CL)
- CL22
- Voltage
- 1.2V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- No
- RGB Lighting
- No
- Heatsink / Heatspreader
- No
- Intel Platform Support
- N/A
- AMD Platform Support
- N/A
- Use Case
- General Use
- Product Name
- Lenovo 7X77A01302 16GB*1
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Lenovo 7X77A01302 16GB*1 |  57Y4426 |  0A65728 |  Lenovo 4ZC7A08709 32GB*1 |  0B47378 | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 16 GB | 16 GB | 16 GB | 32 GB | 16 GB |
| Compatible Platforms | Laptop | Desktop | Desktop | Desktop / Laptop | Desktop |
| Compatible Systems | N/A | Workstation | Workstation | N/A | Workstation |
| Form Factor | SODIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Dual Channel | Single Channel | Dual Channel |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz | 2666 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | N/A | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL22 | CL16 | CL16 | CL19 | CL16 |
| Voltage | 1.2V | 1.35V | 1.35V | 1.2V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | Intel XMP 2.0 | Intel XMP 2.0 | No | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | No | Yes | Yes | Yes | Yes |
| Intel Platform Support | N/A | Intel 12th Gen | Intel 12th Gen | N/A | Intel 12th Gen |
| AMD Platform Support | N/A | AMD Ryzen 5000 | AMD Ryzen 5000 | N/A | AMD Ryzen 5000 |
| Use Case | General Use | Gaming / Workstation | Gaming | General Use | Gaming / Workstation |
| Product Name | Lenovo 7X77A01302 16GB*1 | 57Y4426 DDR4 16GB Single Channel UDIMM | 0A65728 16GB DDR4 3200MHz Dual Channel Memory | Lenovo 4ZC7A08709 32GB*1 | 0B47378 DDR4 16GB Dual Channel UDIMM |
| Height | N/A | 1.2 inches | 1.4 inches | 1.18 inches | 1.18 inches |
| Width | N/A | 5.3 inches | 5.0 inches | 5.25 inches | 5.25 inches |
| Depth | N/A | 0.5 inches | 0.5 inches | 0.13 inches | 0.55 inches |
| Weight | N/A | 0.25 lbs | 0.3 lbs | 0.3 lbs | 0.25 lbs |
Reviews & Ratings
N
Nadia Latif
5
Reliable RAM for enterprise servers.
T
Trevor Young
4
Easy upgrade with consistent performance.
A
Adeel Khan
4
No errors or warnings detected.
J
Jonathan Price
5
Trustworthy Lenovo memory.
Questions & Answers
What are the key specifications of the Lenovo 7X77A01302 16GB TruDDR4 2666 MHz RDIMM?
The Lenovo 7X77A01302 module offers 16 GB capacity, 2666 MT/s transfer rate, DDR4 RDIMM architecture, 1Rx4 organization, 1.2 V operating voltage and full ECC support.
Is the Lenovo 16GB TruDDR4 2666 MHz RDIMM ECC capable?
Yes. This RDIMM includes Error-Correcting Code (ECC) to detect and correct single-bit memory errors, ensuring data integrity in mission-critical applications.
Which Lenovo ThinkSystem servers are compatible with the 7X77A01302 16GB RDIMM?
This RDIMM is validated for Lenovo ThinkSystem rack and tower servers including SR650, SR630, SR550, ST550, ST650 and similar platforms listed in Lenovo’s ServerProven compatibility guide.
Can I mix Lenovo 7X77A01302 RDIMMs with non-Lenovo memory modules?
For guaranteed compatibility and performance, Lenovo recommends installing only Lenovo-qualified RDIMMs of identical capacity, speed and rank in your ThinkSystem server.
Does this 16GB RDIMM support hot-add memory installation?
Yes. When installed in supported ThinkSystem servers with hot-add enabled, this TruDDR4 RDIMM can be added or replaced without powering down the system.
What is the operating voltage of the Lenovo 7X77A01302 RDIMM?
The module operates at a standard DDR4 voltage of 1.2 V, delivering a balance of high performance and energy efficiency.
How many ranks and what data width does this RDIMM use?
The 7X77A01302 module is single-rank (1Rx4) with a x4 data width per DRAM device, optimizing signal integrity and system performance.
What are the benefits of Lenovo TruDDR4 technology in this memory module?
TruDDR4 delivers enhanced signal integrity, optimized trace routing, tighter timing margins and lower latency, resulting in higher reliability and throughput.
What is the operating temperature range for the Lenovo 7X77A01302 RDIMM?
This RDIMM is rated for an ambient operating temperature from 0 °C to 85 °C, suitable for standard data center and server room environments.
What warranty coverage does Lenovo provide for the 7X77A01302 memory module?
Lenovo backs this RDIMM with a limited lifetime warranty when installed in a supported ThinkSystem server, covering defects in materials and workmanship.
Can I upgrade my ThinkSystem server memory with the 16GB TruDDR4 2666 MHz RDIMM?
Yes. You can expand or refresh your server’s memory capacity by adding or replacing modules with the 16 GB TruDDR4 2666 MHz RDIMM for improved performance.
What is the difference between RDIMM and UDIMM for Lenovo server memory?
RDIMM includes a register buffer that reduces electrical load on the memory controller, enabling higher density and stability compared to unbuffered UDIMM.
How does the 2666 MHz speed impact overall server performance?
A higher memory frequency increases data throughput and reduces latency, resulting in faster application response times and improved multitasking.
Are there specific installation guidelines for Lenovo TruDDR4 RDIMMs?
Yes. Install modules in matched pairs per channel, populate DIMM slots according to your server’s hardware installation guide and ensure proper seating and latching.
What performance improvements can I expect in virtualization workloads?
With ECC protection and 2666 MHz throughput, you’ll see higher VM density, faster memory access and improved overall stability under heavy consolidation.
What is the typical power consumption of the 16GB TruDDR4 2666 MHz RDIMM?
Operating at 1.2 V, this RDIMM typically consumes around 3 W under nominal server workload conditions, contributing to energy-efficient operation.