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Lenovo

Lenovo 4X77A77031 32GB DDR5 4800 ECC Registered DIMM

SKU CH-QBSA-98B7W MPN 4X77A77031

32 GB DDR5 4800 ECC registered DIMM with dual-rank chips at 1.10 V for Lenovo ThinkSystem SD650 V3 servers

  • Capacity32GB
  • SpeedDDR5 4800 (PC5 38400)
  • Voltage1.10V
  • ECCECC
  • Buffered/RegisteredRegistered
  • ECC protects data integrity in server workloads
  • Registered design stabilises signal quality on 288-pin DIMM
  • Dual-rank 32GB module doubles density per slot
  • 4800 MHz DDR5 speed delivers 38400 MB/s bandwidth
  • 10 V operation reduces power draw per module

Lenovo 32GB DDR5 4800 ECC Registered DIMM

This module delivers 32GB of DDR5 4800 memory with ECC and registered signal processing. It is built for server platforms that require error correction and buffered operation. The single DIMM uses a 288-pin form factor and operates at 1.10V.

Capacity and headroom at 32GB dual rank

The 32GB capacity provides substantial memory headroom for virtualisation, database workloads and multi-threaded applications. Dual-rank organisation helps maximise bandwidth utilisation on supported channels. Workloads that exceed this per-module limit will require additional DIMMs or higher-density modules.

TruDDR5 branding and server validation

Lenovo TruDDR5 branding indicates the module has been validated for compatibility with Lenovo ThinkSystem servers such as the SD650 V3 Neptune DWC. The registered design and ECC support ensure signal integrity and data accuracy in mission-critical environments. No additional software or accessories are included with the memory module.

Highlights

  • ECC protects data integrity in server workloads
  • Registered design stabilises signal quality on 288-pin DIMM
  • Dual-rank 32GB module doubles density per slot
  • 4800 MHz DDR5 speed delivers 38400 MB/s bandwidth
  • 10 V operation reduces power draw per module

Specifications

BrandLenovo
Capacity32GB
SpeedDDR5 4800 (PC5 38400)
Voltage1.10V
ECCECC
Buffered/RegisteredRegistered
Shipping weight0.07 kg
Package size147 × 51 × 20 mm

Questions about this item

Will this DDR5-4800 registered ECC module work in a ThinkSystem SD650 V3 Neptune DWC server?

Yes, the module is validated for the ThinkSystem SD650 V3 Neptune DWC server and matches its DDR5-4800 registered ECC requirement.

How can I confirm the module is running at 4800 MHz with ECC active after installation?

Check the server BIOS or management console; it will report the memory speed as 4800 MHz and show ECC enabled for each 32 GB DIMM.

What ships in the box and do I need anything else to install it?

The box contains one 32 GB 288-pin DDR5-4800 registered ECC DIMM; no extra parts are required for installation in a compatible server.

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