Samsung M321R2GA3BB6-CQK

Overview

The Samsung M321R2GA3BB6-CQK is a 16 GB DDR5 ECC Registered DIMM memory module designed specifically for enterprise servers and professional workstations. Operating at 4800 MHz under the PC5 38400 standard, it provides the high bandwidth necessary for demanding workloads such as virtualization, database management, and in-memory analytics. Its 288-pin layout and low 1.1-volt power consumption help maintain energy efficiency and reduce heat in dense server environments.

Key features

• ECC (Error-Correcting Code) technology detects and corrects single-bit errors to ensure data integrity and system stability.
• Registered DIMM design with an onboard register that coordinates clock, command, and control signals for reliable operation in multi-DIMM configurations.
• Single-rank 1Rx8 configuration optimized for two-DIMM-per-channel setups, allowing full population of memory channels without compromising performance.
• Low voltage operation at 1.1 V reduces power consumption and heat generation, which is critical in high-density server racks.
• Seamless installation with automatic system recognition upon powering up, simplifying upgrades and expansions.
• Compatible with 4th Gen Intel Xeon and AMD EPYC platforms that support DDR5 RDIMM, ensuring broad applicability in modern server builds.

Key specs

• Memory type: DDR5 ECC Registered DIMM
• Capacity: 16 GB
• Speed: 4800 MHz (PC5 38400)
• Form factor: 288-pin DIMM
• Voltage: 1.1 V
• Rank: Single-rank (1Rx8)
• Compatibility: 4th Gen Intel Xeon and AMD EPYC platforms

Connectivity and compatibility

This memory module is designed exclusively for server and workstation motherboards that support DDR5 ECC Registered DIMMs. It is not compatible with consumer desktop or laptop systems. Its 288-pin form factor fits standard DDR5 RDIMM slots, and it works best in configurations that use two DIMMs per memory channel, maximizing both capacity and stability.

Performance and reliability

With ECC error correction and registered buffering, this module enhances system reliability by preventing data corruption and maintaining signal integrity in complex server environments. The 4800 MHz speed ensures fast data access, which is essential for virtualization hosts and database engines that require consistent, high-throughput memory performance.

Ideal uses and environments

The Samsung M321R2GA3BB6-CQK is well suited to enterprise IT environments where uptime and data accuracy are critical. It supports workloads such as virtual machine clusters, large-scale databases, and file servers that demand both capacity and speed. This module fits well in data centers and professional workstations that run 4th Gen Intel Xeon or AMD EPYC processors and require robust, energy-efficient memory solutions.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, and include all tags, manuals, accessories, and original, unaltered packaging. To start a return, please email us for approval. Items sent back without approval may be refused or returned to the sender. If any item is kept, its value will be deducted from the refund.

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If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

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