Samsung 32GB DDR5 5600MHz ECC Unbuffered Server Memory — M323R4GA3DB0-CWM

The Samsung M323R4GA3DB0-CWM is a 32GB DDR5 ECC Unbuffered DIMM (UDIMM) operating at 5600MHz (PC5-44800) with CAS latency CL46 and 1.1V operating voltage. Built on Samsung's DDR5 x8 die architecture, this Dual Rank ECC UDIMM delivers next-generation DDR5 memory bandwidth with error-correcting protection for ECC UDIMM-compatible workstations and entry-level server platforms. Error-Correcting Code (ECC) technology continuously detects and corrects single-bit memory errors in real time, ensuring data integrity in mission-critical environments.

Key Features

• ECC Unbuffered (UDIMM) Design: Direct connection to memory controller with ECC protection — ideal for ECC UDIMM-compatible DDR5 workstations and entry-level servers
• 5600MHz DDR5 Performance: PC5-44800 delivers strong next-generation memory bandwidth
• ECC Error Protection: Real-time single-bit error correction ensures data integrity for mission-critical workloads
• Samsung DRAM: Industry-leading manufacturing quality with proven reliability and longevity
• RoHS Compliant: Meets global environmental and safety standards

Technical Specifications

• Part Number: M323R4GA3DB0-CWM
• Manufacturer: Samsung
• Memory Type: DDR5 SDRAM
• Module Type: UDIMM ECC (Unbuffered)
• Capacity: 32GB
• Speed: 5600MHz (PC5-44800)
• CAS Latency: CL46
• Voltage: 1.1V
• Form Factor: 288-Pin DIMM
• Rank: Dual Rank (2Rx8)
• Die Organization: x8
• Data Width: 72-bit (64-bit + 8-bit ECC)
• Error Correction: SECDED (Single-bit correction, Double-bit detection)
• Operating Temperature: 0°C to 85°C

Use Cases

• ECC Workstations: AMD Ryzen Pro, Intel Xeon W, and Intel Core with ECC UDIMM support on DDR5 platforms
• Entry-Level DDR5 Servers: Tower and rack servers supporting DDR5 ECC UDIMMs for small business workloads
• NAS and Storage Servers: TrueNAS, Unraid, and ZFS-based storage platforms requiring DDR5 ECC memory
• Development Systems: ECC-protected DDR5 development environments requiring 32GB capacity per module

Compatibility

• Compatible with DDR5 ECC UDIMM slots only — not compatible with DDR5 RDIMM, Non-ECC UDIMM, or DDR4 slots
• CWM is the base qualification code for this Samsung 32GB DDR5 5600MHz ECC UDIMM DB0 x8 series — verify against your platform's memory QVL before ordering
• Verify your platform explicitly supports DDR5 ECC UDIMMs before ordering
• Do not mix ECC UDIMMs with RDIMMs or Non-ECC UDIMMs in the same system

Frequently Asked Questions

What is the difference between a DDR5 ECC UDIMM and a DDR5 RDIMM?

A DDR5 ECC UDIMM connects directly to the memory controller without a register buffer, offering lower latency but supporting fewer DIMMs per channel than RDIMMs. DDR5 RDIMMs use a register buffer for higher DIMM counts and densities. ECC UDIMMs and RDIMMs are not interchangeable.

What does the CWM base qualification code indicate?

CWM is Samsung's base qualification code for this 32GB DDR5 5600MHz ECC UDIMM DB0 x8 series. The CWMOD variant represents a specific OEM or regional qualification — always verify against your platform's QVL before purchase.

Is this module compatible with DDR4 platforms?

No — DDR5 and DDR4 are not interchangeable. Always verify your platform's memory type requirement before ordering.

Whether you are building a DDR5 ECC workstation, deploying an entry-level DDR5 server, or expanding a ZFS-based NAS, the Samsung M323R4GA3DB0-CWM delivers the 32GB DDR5 ECC UDIMM reliability, error protection, and Samsung manufacturing quality your platform demands.