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Memory module installed easily and works flawlessly.
Lenovo 7X77A01301 8GB*1
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Lenovo ThinkSystem 8GB TruDDR4 2666 MHz (1Rx8 1.2V) RDIMM
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Lenovo 7X77A01301 8GB*1
- Description:
- Lenovo ThinkSystem 8GB TruDDR4 2666 MHz (1Rx8 1.2V) RDIMM
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- Brand:
- Lenovo
- GTIN:
- 889488476312
- Condition:
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Lenovo 7X77A01301 8GB*1 Overview
Lenovo 7X77A01301 8GB*1 is an 8 GB DDR4 SODIMM memory module engineered for laptop use. It operates at a speed of 2400 MHz with a CAS latency of CL17 and a standard voltage of 1.2V, offering a non-ECC, unbuffered configuration that is packaged as a single-channel kit.
Designed without a heatsink or RGB lighting, this module is ideal for general use cases in ultraportable and mainstream laptop builds. Its compact SODIMM form factor and adherence to industry specifications ensure reliable performance in everyday computing environments.
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Lenovo 7X77A01301 8GB*1 Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 8 GB
- Compatible Platforms
- Laptop
- Compatible Systems
- N/A
- Form Factor
- SODIMM
- Kit Configuration
- Single Channel
- Speed
- 2400 MHz
- Operating Temperature
- N/A
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL17
- 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 7X77A01301 8GB*1
- Height
- 0.08 inches
- Width
- 2.75 inches
- Depth
- 1.18 inches
- Weight
- 0.04 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Lenovo 7X77A01301 8GB*1 |  0A65723 |  Lenovo 7X77A01305 64GB*1 |  4X70G00092 |  57Y4427 | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 8 GB | 16 GB | 64 GB | 32 GB | 16 GB |
| Compatible Platforms | Laptop | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop / Server | Desktop |
| Compatible Systems | N/A | Workstation | N/A | Workstation | Workstation |
| Form Factor | SODIMM | UDIMM | SODIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Quad Channel | Dual Channel |
| Speed | 2400 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL17 | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.2V | 1.35V | 1.2V | 1.35V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | Intel XMP 2.0 | No | Intel XMP 2.0 | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | Yes |
| Heatsink / Heatspreader | No | Yes | Yes | Yes | Yes |
| Intel Platform Support | N/A | Intel 12th Gen | N/A | Intel 12th Gen | Intel 12th Gen |
| AMD Platform Support | N/A | AMD Ryzen 5000 | N/A | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | General Use | Gaming | Gaming / Workstation | Gaming / Workstation / Server | Gaming |
| Product Name | Lenovo 7X77A01301 8GB*1 | 0A65723 DDR4 16GB UDIMM | Lenovo 7X77A01305 64GB*1 | 4X70G00092 High Performance DDR4 DIMM Memory Kit | 57Y4427 High Performance DDR4 Memory Kit |
| Height | 0.08 inches | 1.2 inches | N/A | 1.38 inches | 1.25 inches |
| Width | 2.75 inches | 5.3 inches | N/A | 5.30 inches | 5.25 inches |
| Depth | 1.18 inches | 0.5 inches | N/A | 0.75 inches | 0.13 inches |
| Weight | 0.04 lbs | 0.25 lbs | N/A | 0.50 lbs | 0.22 lbs |
Reviews & Ratings
K
Kiran Shah
5
Stable RAM with no compatibility issues.
D
Daniel Ford
4
Good quality Lenovo memory.
I
Irfan Khan
4
Reliable performance in our server.
G
George Adams
4
Solid entry memory module.
Questions & Answers
What are the key specifications of the Lenovo ThinkSystem 8GB TruDDR4 2666 MHz RDIMM (SKU 7X77A01301)?
This module features 8 GB capacity, DDR4-2666 MHz speed, 1Rx8 rank, 1.2 V operating voltage, ECC support, and R-DIMM form factor optimized for Lenovo ThinkSystem servers.
Which Lenovo servers are compatible with the 8GB TruDDR4 2666 MHz RDIMM?
It is validated for ThinkSystem SR, SD, ST, and SN series servers; always consult the server’s hardware compatibility list for confirmed support.
Does this RDIMM support error-correcting code (ECC)?
Yes, it features full ECC support to detect and correct single-bit memory errors, ensuring data integrity in mission-critical environments.
What advantages does RDIMM deliver over UDIMM for my server?
RDIMMs include onboard registers that reduce electrical load, improve signal integrity, and support higher memory densities and speeds compared to UDIMMs.
Can I mix the 8GB TruDDR4 2666 MHz RDIMM with other memory modules?
Mixing is not recommended; for optimal performance and stability, all modules should match in capacity, speed, rank and manufacturer.
How do I install the Lenovo ThinkSystem 8GB TruDDR4 RDIMM?
Power down the server, discharge static, open the chassis, align the module with the DIMM slot keyed notch, press evenly until latches click, then close the chassis and power on.
What is the module’s CAS latency (CL) rating?
The CAS latency is CL19, providing a balance of speed and latency for data-center workloads.
How many DIMMs can I install per memory channel?
Lenovo ThinkSystem servers typically support two DIMMs per channel; check your server’s user guide for exact population rules.
What voltage does the TruDDR4 2666 MHz RDIMM operate at?
This memory module operates at a standard 1.2 V to ensure reduced power consumption and thermal output.
Is this memory module compatible with Intel® XMP or other overclocking profiles?
No. TruDDR4 RDIMMs are factory-tested for server use and do not support consumer-grade XMP profiles.
How does Lenovo warranty support work for this RDIMM?
Lenovo offers a three-year limited warranty with optional on-site repairs; refer to your service agreement for detailed terms.
How can I verify I’m purchasing a genuine Lenovo ThinkSystem memory module?
Buy through authorized Lenovo channels, check the serial number on Lenovo’s support site, and look for holographic security labels on the product.
What performance improvement can I expect by upgrading to 2666 MHz TruDDR4 RDIMM?
Upgrading to higher-speed RDIMMs can boost memory bandwidth by up to 25% over DDR4-2133, accelerating database, virtualization, and HPC workloads.
Are there any thermal or airflow requirements for this RDIMM?
Ensure server fans and heatsinks meet the recommended airflow profiles in your ThinkSystem hardware guide for optimal memory cooling.
Can I use this RDIMM in a mixed-vendor memory configuration?
While some servers support mixed vendors, Lenovo recommends using identical Lenovo-branded modules to guarantee compatibility and support.