Technical Snapshot

The ThinkSystem 16GB TruDDR4 3200MHz (2Rx8 1.2V) RDIMM is a server-grade DDR4 RDIMM memory module designed for enterprise servers and workstations. Running at 3,200 MT/s, The module provides 16GB of DDR4 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
DDR4 RDIMM — Lenovo ThinkSystem TruDDR4
LENOVO
Lenovo RAM
Lenovo ThinkSystem TruDDR4

ThinkSystem 16GB TruDDR4 3200MHz (2Rx8 1.2V) RDIMM (4X77A08632)

DDR4 · RDIMM · 3,200 MT/s · 16GB

Memory transfer rate in megatransfers per second. Higher MT/s provides more bandwidth for CPU-bound workloads.
Speed 3,200 MT/s
Total kit capacity across all modules. Dual-channel kits double memory bandwidth.
Capacity 16GB
Operating voltage. Higher voltage allows faster speeds but increases power and heat.
Voltage 1.2V
DDR generation. DDR5 offers higher bandwidth and capacity than DDR4, but requires a DDR5-compatible motherboard.
Type DDR4
MPN4X77A08632
EAN0889488509973
CategoryMemory
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Memory Specifications

Memory TypeDDR4
Form FactorRDIMM
Total Capacity16GB
Speed3,200 MT/s
Voltage1.2V
ECCYes

Full Specifications

Data sourced from Lenovo product specifications
Memory
Product LineThinkSystem TruDDR4
Memory TypeDDR4
Form FactorRDIMM
Total Capacity16GB
Module Count1
Module Capacity16GB
Speed3,200 MT/s
Timings & Voltage
Voltage1.2V
ECCYes
Design
IC Typex8
Product
BrandLenovo
MPN4X77A08632
EAN0889488509973
Physical
Weight0.030 kg
Package Dimensions14 x 8 x 1 cm (estimated)

Support

Lenovo Memory Compatibility ToolCheck motherboard compatibility for this module
Lenovo Support →
ThinkSystem 16GB TruDDR4 3200MHz (2Rx8 1.2V) RDIMM DatasheetPDF · Technical specifications
Lenovo Support →
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Frequently Asked Questions

What motherboards are compatible with this memory?

The ThinkSystem 16GB TruDDR4 3200MHz (2Rx8 1.2V) RDIMM requires a DDR4-compatible motherboard. Compatible platforms include AMD AM4 (B550, X570, B450, etc.) and Intel LGA 1700 (B660, Z690) or LGA 1200 (B560, Z590). DDR4 is NOT compatible with DDR5 slots — they use different pin configurations.

What speed does this memory run at?

The ThinkSystem 16GB TruDDR4 3200MHz (2Rx8 1.2V) RDIMM runs at 3,200 MT/s. This is a JEDEC standard speed that works automatically without BIOS configuration.

Can I add more memory later?

Yes, the ThinkSystem 16GB TruDDR4 3200MHz (2Rx8 1.2V) RDIMM is a single 16GB module. You can add additional compatible DDR4 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 16GB TruDDR4 3200MHz (2Rx8 1.2V) 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 16GB TruDDR4 3200MHz (2Rx8 1.2V) RDIMM.

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MPN: 4X77A08632
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Related: 4 isRelatedTo links