Technical Snapshot

The ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM is a server-grade DDR5 RDIMM memory module designed for enterprise servers and workstations. Running at 4,800 MT/s, The module provides 64GB of DDR5 memory . this module targets server deployments, virtualization hosts, and high-availability computing environments requiring ECC error correction.

Use Case
Server deployments, virtualization, high-availability computing
Compatibility
RDIMM-compatible server motherboard
Category
DDR5 RDIMM — Lenovo ThinkSystem TruDDR5
LENOVO
Lenovo RAM
Lenovo ThinkSystem TruDDR5

ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM (4X77A77032)

DDR5 · RDIMM · 4,800 MT/s · 64GB

Memory transfer rate in megatransfers per second. Higher MT/s provides more bandwidth for CPU-bound workloads.
Speed 4,800 MT/s
Total kit capacity across all modules. Dual-channel kits double memory bandwidth.
Capacity 64GB
Operating voltage. Higher voltage allows faster speeds but increases power and heat.
Voltage 1.1V
DDR generation. DDR5 offers higher bandwidth and capacity than DDR4, but requires a DDR5-compatible motherboard.
Type DDR5
MPN4X77A77032
EAN0889488588572
CategoryMemory
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Memory Specifications

Memory TypeDDR5
Form FactorRDIMM
Total Capacity64GB
Speed4,800 MT/s
Voltage1.1V
ECCYes

Full Specifications

Data sourced from Lenovo product specifications
Memory
Product LineThinkSystem TruDDR5
Memory TypeDDR5
Form FactorRDIMM
Total Capacity64GB
Module Count1
Module Capacity64GB
Speed4,800 MT/s
Timings & Voltage
Voltage1.1V
ECCYes
Design
IC Typex4
Product
BrandLenovo
MPN4X77A77032
EAN0889488588572
Physical
Weight0.050 kg (estimated)
Package Dimensions14 x 8 x 1 cm (estimated)

Support

Lenovo Memory Compatibility ToolCheck motherboard compatibility for this module
Lenovo Support →
ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM DatasheetPDF · Technical specifications
Lenovo Support →
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Frequently Asked Questions

What systems is this memory compatible with?

The ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM is RDIMM server memory with ECC error correction. It requires a server or workstation motherboard with RDIMM support. NOT compatible with standard desktop motherboards. Check your server's QVL (Qualified Vendor List) for compatibility.

What speed does this memory run at?

The ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM runs at 4,800 MT/s. This is a JEDEC standard speed that works automatically without BIOS configuration.

Can I add more memory later?

Yes, the ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM is a single 64GB module. You can add additional compatible DDR5 RDIMM modules to populate empty slots. For best performance, use matched modules of the same speed and capacity to enable dual-channel mode.

Does this memory support ECC error correction?

Yes, the ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM includes ECC (Error-Correcting Code) support, which detects and corrects single-bit memory errors. This is essential for servers, workstations, and mission-critical applications where data integrity is paramount.

Where can I find technical support?

Visit the Lenovo support website for compatibility tools, firmware updates, and technical documentation for the ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM.

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MPN: 4X77A77032
Schemas: Product + BreadcrumbList
Properties: 10 additionalProperty entries
Related: 4 isRelatedTo links