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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.

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

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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.

Real-World Use Scenarios

  • In a compatible ThinkSystem ST45 V3 used as a small-office file or print server, this module can provide a supported 16GB memory configuration; the server can continue handling shared files or print jobs, subject to the needs of the workload.
  • For an ST45 V3 handling a small business application, mail, or FTP service, installing this compatible DIMM supports the server’s intended entry-level workloads; actual responsiveness depends on the application and total system configuration.
  • For near-side data backup on a compatible ST45 V3, this memory can support the server while it handles backup tasks; backup capacity and transfer speed depend on the storage, network, and backup workload.
  • When upgrading a compatible ST45 V3 that has one matching 16GB DIMM, adding a second identical module can bring installed memory to 32GB, giving supported workloads more memory headroom; Lenovo specifies that both installed DIMMs must be identical.

Spec Summary

AttributeValue
Best ForServer memory upgrades requiring a 16GB ECC DDR5 UDIMM
Capacity16GB
Memory Technology And SpeedLenovo TruDDR5, DDR5-5600 (PC5-44800)
Error CorrectionECC
Form Factor And Compatibility288-pin UDIMM; compatible with servers
Model Identifier4X77A93556
BrandLenovo