What are the key specifications of the Lenovo 4X77A93527?

The 4X77A93527 is a 32GB TruDDR5 DDR5-6400 (PC5-51200) RDIMM with 2Rx8 rank, ECC support, 1.1V operation, and 288-pin form factor. It delivers 6400MT/s speeds for high-bandwidth tasks in ThinkSystem servers like SR655 V3.

Which Lenovo ThinkSystem servers support 4X77A93527?

Compatible with ThinkSystem SD535 V3, SR635 V3, SR645 V3, SR655 V3, SR665 V3, and SR675 V3. OS independent support verified on Lenovo ServerProven for plug-and-play installation.

Does the 4X77A93527 use ECC and what rank is it?

Yes, it features full ECC error correction with 2Rx8 dual-rank configuration using 16Gb DRAM technology. This provides stability for mission-critical apps and data integrity in enterprise environments.

What is TruDDR5 technology in this module?

TruDDR5 includes Lenovo-tested modules from Tier 1 suppliers with unique signatures for authenticity verification. It ensures optimal performance, lower power, and compatibility across ThinkSystem platforms.

What voltage and speed does it operate at?

Operates at 1.1V for efficiency and supports 6400MHz (PC5-51200R) speeds with CL52 latency. Ideal for power-sensitive data centers needing high throughput without excessive heat.

Is this module height standard for rack servers?

Yes, standard height RDIMM fits unbuffered slots in 1U/2U ThinkSystem servers. Dimensions approx 0.5x2x8 inches, weight 0.1 lbs, confirmed for easy installation.

4X77A93527 - Lenovo 32GB DDR5 SDRAM, TruDDR5 RAM

Name: 4X77A93527 - Lenovo 32GB DDR5 SDRAM, TruDDR5 RAM
Brand: Lenovo
SKU: 4X77A93527
Price: 2565 USD
Availability: InStock

4X77A93527 - Lenovo 32GB DDR5 SDRAM, TruDDR5 RAM | US IT Hardware

Product overview

Lenovo 4X77A93527 is a 16GB DDR4 3200MHz ECC Registered DIMM (RDIMM) designed for enterprise servers requiring high reliability and performance. It delivers fast data transfer speeds up to 3200MT/s, improving system responsiveness and workload efficiency in data centers. Built with Error-Correcting Code (ECC), it detects and corrects memory errors to ensure stable operation and reduced downtime. This server-grade memory module supports Lenovo ThinkSystem platforms and is optimized for virtualization, cloud computing, and mission-critical applications. With low power consumption and advanced signal integrity, it enhances scalability and efficiency, making it ideal for infrastructures needing dependable and consistent performance in demanding environments.

16GB DDR4-3200MHz memory for high-speed server performance.
ECC RDIMM detects and corrects memory errors for stability.
Registered DIMM design improves reliability in servers.
1.2V low-voltage operation reduces power consumption.
Compatible with Lenovo ThinkSystem server platforms.
Up to 3200MT/s bandwidth for faster data processing.

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

Product Type
Manufacturer part #	4X77A93527
Brand	Lenovo
Condition	Refurbished
Rank	2Rx8
Model	4X77A93527 16GB DDR4-3200 ECC RDIMM
Speed	3200MHz (PC4-25600)
Voltage	1.2V
Capacity	16GB
ECC Support	Yes, ECC Registered
Module Type	RDIMM (Registered DIMM)
Product Line	Lenovo ThinkSystem Memory

Compatible systems

Validated for Lenovo ThinkSystem V3 rack servers with DDR5 support. Mix with same speed/rank modules recommended for optimal performance.

Lenovo ThinkSystem
Model: SD535 V3
Form factor: RDIMM
Generation: V3
OS Independent, ServerProven validated
Lenovo ThinkSystem
Model: SR635 V3
Form factor: RDIMM
Generation: V3
OS Independent, ServerProven validated
Lenovo ThinkSystem
Model: SR645 V3
Form factor: RDIMM
Generation: V3
OS Independent, ServerProven validated
Lenovo ThinkSystem
Model: SR655 V3
Form factor: RDIMM
Generation: V3
OS Independent, ServerProven validated
Lenovo ThinkSystem
Model: SR665 V3
Form factor: RDIMM
Generation: V3
OS Independent, ServerProven validated
Lenovo ThinkSystem
Model: SR675 V3
Form factor: RDIMM
Generation: V3
OS Independent, ServerProven validated

Height	Standard profile
Weight	Approx. 0.1 lb
Form Factor	288-pin DIMM
Operating Temperature	Server-grade extended range

Lenovo 32GB DDR5 SDRAM, TruDDR5 RAM

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Lenovo 32GB DDR5 SDRAM, TruDDR5 RAM

Product overview

Featuring

Compatible systems

Details

Shipping, warranty & returns

Customer reviews

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Physical Characteristics

Best for

Frequently asked questions