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Lenovo ThinkSystem C1G7 16GB TruDDR5 5600MHz ECC UDIMM - 16GB RAM - DDR5-5600/PC5-44800 TruDDR5 - 5600MHz Single-rank Memory - 288-pin - DIMM
- 16GB RAM
- DDR5-5600/PC5-44800 TruDDR5
- 5600MHz Single-rank Memory
- 288-pin
- DIMM
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Overview
Specs
Reviews
The Lenovo 4X77A93556 is a 16GB TruDDR5 server-grade memory module designed for Lenovo ThinkSystem servers. It delivers high-speed 5600MHz performance with ECC reliability, optimized for entry-level enterprise workloads.
High-Speed DDR5 Performance: 16GB TruDDR5 memory operating at 5600MHz for fast data processing and improved system responsiveness.
Reliable ECC Unbuffered Design: Features ECC protection with unbuffered (UDIMM) architecture for error correction and stable performance in supported servers.
Server-Optimized Compatibility: Built in a 288-pin DIMM form factor and compatible with Lenovo ST45 V3 server platforms.
High-Speed DDR5 Performance: 16GB TruDDR5 memory operating at 5600MHz for fast data processing and improved system responsiveness.
Reliable ECC Unbuffered Design: Features ECC protection with unbuffered (UDIMM) architecture for error correction and stable performance in supported servers.
Server-Optimized Compatibility: Built in a 288-pin DIMM form factor and compatible with Lenovo ST45 V3 server platforms.
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, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.ca'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, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
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The Lenovo ThinkSystem C1G7 is a 16GB DDR5-5600 ECC UDIMM for compatible systems that support this memory type and speed, suited to users upgrading or configuring a system that needs error-correcting memory.
Recommended For
- Lenovo ThinkSystem ST45 V3 operators adding or replacing memory with a Lenovo-listed 16GB ECC UDIMM-A; Lenovo lists C1G7 as supported, with up to two modules in this server.
- IT administrators maintaining a supported ThinkSystem configuration that specifically calls for ECC UDIMM-A memory and want a Lenovo-qualified replacement rather than a generic DDR5 module.
- Small-business or home-lab server operators expanding a compatible entry-level server in 16GB steps, where ECC support matters and the server’s validated memory capacity is sufficient.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Server memory upgrades requiring a 16GB ECC DDR5 UDIMM |
| Capacity | 16GB |
| Memory Technology And Speed | Lenovo TruDDR5, DDR5-5600 (PC5-44800) |
| Error Correction | ECC |
| Form Factor And Compatibility | 288-pin UDIMM; compatible with servers |
| Model Identifier | 4X77A93556 |
| Brand | Lenovo |




