What are the key specifications of the Lenovo 4X77A93525?

The 4X77A93525 is a 16GB DDR5-6400 (PC5-51200) ECC Registered RDIMM with 1Rx8 single rank x8 organization, 288-pin form factor, and 16Gb DRAM technology. It operates at 6400MHz on supported ThinkSystem servers, providing high bandwidth for enterprise applications.

Which Lenovo servers support the 4X77A93525 memory module?

Compatible with ThinkSystem SR645 V3, SR665 V3, and SD665-N V3 blade servers. Supports up to 3TB total RAM per system, with automatic speed optimization to 6400MHz on qualified platforms per Lenovo Press documentation.

Does the 4X77A93525 support ECC and error correction?

Yes, it features full ECC with on-die error correction and Registered architecture for server-grade reliability. The 1Rx8 design includes dedicated chips for error checking, ensuring data integrity in mission-critical environments.

What is the rank and organization of this RDIMM?

Single rank (1Rx8) with x8 organization using 16Gb DRAM dies. This configuration balances density and performance, ideal for high-speed DDR5 deployments up to 6400MHz without blocking.

Is the 4X77A93525 suitable for blade servers?

Yes, certified for Lenovo ThinkSystem SD665-N V3 blades with 288-pin DDR5 interface. Enables upgrades to 3TB system memory for dense computing in edge and cloud scenarios.

What voltage does the 4X77A93525 operate at?

Standard 1.1V DDR5 operation, providing power efficiency for data centers. Compatible with low-voltage server motherboards while maintaining 6400MHz performance.

4X77A93525 - Lenovo 16GB DDR5 SDRAM RAM

Name: 4X77A93525 - Lenovo 16GB DDR5 SDRAM RAM
Brand: Lenovo
SKU: 4X77A93525
Price: 2292 USD
Availability: InStock

4X77A93525 - Lenovo 16GB DDR5 SDRAM RAM | US IT Hardware

Product overview

The Lenovo 4X77A93525 is a high-performance 16GB DDR5 server memory module designed for ThinkSystem platforms, featuring 6400MHz speed (PC5-51200), ECC error correction, and Registered DIMM (RDIMM) architecture with 1Rx8 single rank organization using 16Gb DRAM density. This TruDDR5 module ensures reliable operation in demanding data center environments, supporting up to 6400MHz on compatible systems for enhanced bandwidth and low latency. Ideal for virtualization, databases, and HPC workloads, it offers seamless scalability with 288-pin form factor. Cross-verified across Lenovo Press and resellers, it integrates with Lenovo ThinkSystem SR645 V3, SR665 V3, and SD665-N V3 blades, maximizing memory capacity up to 3TB per system. Provides superior thermal and power efficiency at 1.1V, reducing TCO while maintaining data integrity through on-die ECC.

16GB capacity with DDR5-6400MHz PC5-51200 speed.
1Rx8 single rank x8 organization for optimal density.
ECC Registered RDIMM ensures data integrity in servers.
288-pin DIMM compatible with ThinkSystem platforms.
TruDDR5 technology supports up to 6400MHz operation.
16Gb DRAM density enables high-performance workloads.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	4X77A93525
Brand	Lenovo
Condition	New
SKU	4X77A93525
Model	16GB TruDDR5 6400MHz (1Rx8) RDIMM-A
Category	MEMORY
Feature Code	C0CH
Product Line	ThinkSystem
Product Type	Server RAM Module

Storage

ECC	Yes (Error Correction)

Compatible systems

Native compatibility with Lenovo ThinkSystem V3 servers; mix with same rank/speed modules recommended.

Lenovo ThinkSystem
Model: SR645 V3
Form factor: 2U Rack
Generation: V3
Supports 6400MHz x8 RDIMMs
Lenovo ThinkSystem
Model: SR665 V3
Form factor: 2U Rack
Generation: V3
Full speed support
Lenovo ThinkSystem
Model: SD665-N V3
Form factor: Blade
Generation: V3
Up to 3TB total RAM

Best for

Data Centers
Scalable memory expansion for rack servers handling high-density workloads.
HPC
High-speed DDR5 for compute-intensive simulations and modeling.
Virtualization
Supports multiple VMs with ECC reliability and 6400MHz bandwidth.
Databases
In-memory processing for large-scale transactional systems.

Lenovo 16GB DDR5 SDRAM RAM

Product overview

Featuring

Storage

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

Physical Characteristics

Frequently asked questions

Pin Count	288-pin
Form Factor	DIMM

Lenovo 16GB DDR5 SDRAM RAM

Product overview

Featuring

Storage

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

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Physical Characteristics

Frequently asked questions