Samsung 1x 32GB DDR5-4800 RDIMM PC5-38400R Single Rank x4 Module

Samsung 1x 32GB DDR5-4800 RDIMM PC5-38400R Single Rank x4 Module

SKU: M321R4GA0BB0-CQK

  • $2,049.99
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Product Overview

Dramatically improve performance and handle larger user and application workloads in your mission critical workstations and servers with this 32GB (1x 32GB) DDR5 4800 MT/s 288-pin RDIMM RAM module from Samsung. This Single rank, x4 configuration RAM module is for use in DDR5 compatible systems and operates at 4800 MT/s with an overall transfer rate of PC5-38400R.

This RAM module also operates at a standard voltage of 1.1V and is designed to allow you to run more applications simultaneously, switch between them faster, and provide a smoother computing experience.


Technical Specifications
Part No. M321R4GA0BB0-CQK
Capacity 32GB (1x 32GB)
Brand Samsung
Speed DDR5-4800 - 4800MT/s - PC5-38400R
Voltage 1.1V
Technology DDR5
Error Correction ECC
Signal Processing Registered
Form Factor 288-pin RDIMM
Ranks Dual rank
Configuration x4
Pieces in Kit 1

Compatibility

You can verify the compatibility of this RAM module in a number of ways:

  • Use the RamCity Finder to see all guaranteed compatible RAM upgrades for your brand and model system or motherboard
  • Search online to see if this product is on the QVL (Qualified Vendor List) for your system or motherboard
  • Contact one of our Upgrade Evangelists for an expert opinion

Why is the speed of this RAM module shown as 4800 MT/s instead of 4800 Mhz?

When it comes to measuring DDR RAM speed, MT/s and MHz are used interchangeably, which is not actually correct.

This module offers a bandwidth of approximately 38.4 GB/s per DIMM at its full transfer rate of 4800 MT/s × 64 bits, delivering server-grade performance suitable for demanding workloads. It is ideal for enterprise-class applications such as web servers, databases, and virtualization, with support for 2-DIMM-per-channel server motherboards. Additionally, it is widely adopted by major system integrators like Dell, HP, IBM, and Supermicro, and is typically backed by lifetime or multi-year warranties from various vendors.