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Lenovo 7X77A01304 32GB*1
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Lenovo ThinkSystem 32GB TruDDR4 2666 MHz (2Rx4 1.2V) RDIMM
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Lenovo 7X77A01304 32GB*1
- Description:
- Lenovo ThinkSystem 32GB TruDDR4 2666 MHz (2Rx4 1.2V) RDIMM
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Lenovo 7X77A01304 32GB*1 Overview
Lenovo 7X77A01304 32GB*1 is a high-performance DDR4 UDIMM memory module specifically engineered for desktop workstations. With a speed of 3200 MHz, a CAS latency of CL16, and an operating voltage of 1.2V, this module is optimized for efficient data processing and reliability in demanding computing environments.
Designed as a single channel kit configuration, this non-ECC, unbuffered module comes with an integrated heatspreader for superior thermal management and is ideally suited for high-performance workstation builds. Its compatibility with Intel 10th Gen and AMD Ryzen 3000 platforms ensures that users receive a versatile, robust solution tailored for professional computing tasks.
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Lenovo 7X77A01304 32GB*1 Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 32 GB
- Compatible Platforms
- Desktop
- Compatible Systems
- N/A
- Form Factor
- UDIMM
- Kit Configuration
- Single Channel
- Speed
- 3200 MHz
- Operating Temperature
- N/A
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL16
- Voltage
- 1.2V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- No
- RGB Lighting
- No
- Heatsink / Heatspreader
- Yes
- Intel Platform Support
- Intel 10th Gen
- AMD Platform Support
- AMD Ryzen 3000
- Use Case
- Workstation
- Product Name
- Lenovo 7X77A01304 32GB*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 7X77A01304 32GB*1 |  0A65730 |  Lenovo 4ZC7A08710 64GB*1 |  Lenovo 4ZC7A08708 16GB*1 |  0A65728 | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 32 GB | 16 GB | 64 GB | 16 GB | 16 GB |
| Compatible Platforms | Desktop | Desktop | Desktop / Laptop / Server | Laptop | Desktop |
| Compatible Systems | N/A | Workstation | Workstation | N/A | Workstation |
| Form Factor | UDIMM | UDIMM | SODIMM | SODIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Dual Channel |
| Speed | 3200 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) | CL16 | CL16 | CL22 | CL22 | CL16 |
| Voltage | 1.2V | 1.2V | 1.2V | 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 | No | No | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | No | No | Yes |
| Intel Platform Support | Intel 10th Gen | Intel 12th Gen | N/A | N/A | Intel 12th Gen |
| AMD Platform Support | AMD Ryzen 3000 | AMD Ryzen 5000 | N/A | N/A | AMD Ryzen 5000 |
| Use Case | Workstation | Gaming | Workstation | General Use | Gaming |
| Product Name | Lenovo 7X77A01304 32GB*1 | 0A65730 High Performance DDR4 Desktop Memory | Lenovo 4ZC7A08710 64GB*1 | Lenovo 4ZC7A08708 16GB*1 | 0A65728 16GB DDR4 3200MHz Dual Channel Memory |
| Height | N/A | 1.4 inches | N/A | 0.13 inches | 1.4 inches |
| Width | N/A | 5.25 inches | N/A | 2.66 inches | 5.0 inches |
| Depth | N/A | 0.66 inches | N/A | 1.18 inches | 0.5 inches |
| Weight | N/A | 0.3 lbs | N/A | 0.03 lbs | 0.3 lbs |
Questions & Answers
What is Lenovo ThinkSystem 32GB TruDDR4 2666 MHz (2Rx4 1.2 V) RDIMM (SKU: 7X77A01304)?
The SKU 7X77A01304 is a 32 GB registered ECC DDR4 memory module, operating at 2666 MHz, with a 2-rank ×4 architecture and 1.2 V power specification.
What are the key specifications of the Lenovo 7X77A01304 memory module?
It features 32 GB capacity, TruDDR4 technology, 2666 MHz speed, RDIMM form factor, 2Rx4 rank structure, 288-pin interface and 1.2 V operation.
Does this module support ECC error correction?
Yes, this registered DIMM includes full ECC support to detect and correct single-bit errors and enhance server reliability.
Which Lenovo ThinkSystem servers are compatible with SKU 7X77A01304?
This module is validated for Lenovo ThinkSystem models including SR650, SR630, SR550, SR530, SD530, ST250, ST550, SR850 and SR655 servers.
How many ranks per DIMM does the 2Rx4 configuration offer?
The 2Rx4 designation indicates two memory ranks with a ×4 data width, optimizing performance and signal integrity.
What voltage does the RDIMM operate at?
The module operates at a standard DDR4 voltage of 1.2 V to balance performance and power efficiency.
What form factor is this memory module?
It is a 288-pin registered DIMM (RDIMM) in the standard DDR4 form factor for rack and tower servers.
Can I mix this RDIMM with other memory speeds or types?
No. For guaranteed performance and compatibility, use identical Lenovo TruDDR4 RDIMMs of the same capacity, speed and rank.
How do I install the Lenovo 32 GB TruDDR4 RDIMM?
Power down the server, open the chassis, align the notch with the DDR4 slot, press firmly until both latches click, then restart.
What performance advantages does a 2666 MHz memory speed offer?
2666 MHz delivers higher data throughput and lower latency versus 2400 MHz modules, improving virtualization and database workloads.
Is this memory compatible with Intel Xeon Scalable processors?
Yes, the module is fully compatible with Intel Xeon Scalable (Skylake, Cascade Lake and later) processors supported by ThinkSystem servers.
What warranty does Lenovo provide for this RDIMM?
Lenovo covers this memory module under its standard three-year limited warranty when used in supported ThinkSystem servers.
How many modules can be installed per memory channel?
To maintain peak 2666 MHz speeds, install one module per channel; a second module per channel is supported but may downclock.
What are the CAS latency timings for this module?
The Lenovo 7X77A01304 module typically operates at CAS latency 19 (19-19-19 timing) when running at 2666 MHz.
How do I troubleshoot if the server fails to detect the module?
Reseat the DIMM, verify slot placement per the server guide, update BIOS/firmware, and test the module in a known good socket.
How does TruDDR4 technology improve server reliability?
TruDDR4 incorporates optimized signal routing, enhanced thermal sensors and rigorous validation to ensure maximum uptime and data integrity.