Crucial

Crucial CT2K16G4RFD4213 32GB DDR4 ECC Registered Memory

4.4 (78 reviews)
32GB DDR4

Enhance Server Performance with Reliable ECC Memory The Crucial 32GB Kit (16GBx2) DDR4-2133 ECC Registered Server Memory is engineered to deliver enhanced speed, bandwidth, and efficiency for demanding server applications. Operating at 1.2V, this memory kit reduces power consumption while provid...

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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Enhance Server Performance with Reliable ECC Memory

The Crucial 32GB Kit (16GBx2) DDR4-2133 ECC Registered Server Memory is engineered to deliver enhanced speed, bandwidth, and efficiency for demanding server applications. Operating at 1.2V, this memory kit reduces power consumption while providing superior performance for networking, cloud computing, HPC, Big Data, and more. The ECC (Error Correcting Code) feature ensures data integrity by automatically detecting and correcting memory errors, making it ideal for mission-critical applications. Designed for easy installation and compatibility with a wide range of servers, this Crucial memory kit is a reliable upgrade for improving system responsiveness and stability.

Specifications:

  • Memory Size: 32GB (2 x 16GB)
  • Memory Technology: DDR4 SDRAM
  • Memory Speed: 2133 MHz (DDR4-2133/PC4-17000)
  • Voltage: 1.20 V
  • Error Checking: ECC
  • Signal Processing: Registered
  • CAS Latency: CL15
  • Number of Pins: 288-pin
  • Form Factor: DIMM

Key Features

More speed. More bandwidth. More efficient

Reduced power consumption @ 1.2V

For networking, cloud computing, HPC, Big Data and more

Your system may support multiple memory configurations based on the density, quantity and type of memory modules installed. Please consult the documentation for your specific system & remember Registered & Unbuffered memory cannot be mixed / Load Reduced DIMM's cannot be mixed with standard Registered DIMM's

Specifications

Memory Type
DDR4
Module Type
ECC Registered
Capacity
32GB (as 2x16GB, inferred from CT2K16G)
Voltage
1.2V
Speed
2133 MHz (implied from 4213 in part number)

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Pros & Cons

👍 Pros

  • This memory module offers increased speed and bandwidth, contributing to overall system performance improvements.
  • Operating at 1.2V, it features reduced power consumption, potentially leading to lower energy costs and less heat generation.
  • It is designed for demanding applications such as networking, cloud computing, High Performance Computing (HPC), and Big Data.
  • As ECC Registered Memory, it includes error-correcting code, enhancing data integrity and system stability for critical operations.
  • The memory is DDR4, providing a modern and efficient standard for compatible systems.

👎 Cons

  • Registered memory cannot be mixed with unbuffered memory, requiring careful configuration to ensure system compatibility.
  • Load Reduced DIMMs also cannot be mixed with standard Registered DIMMs, which could complicate memory upgrades or expansions.
  • The 2133 MHz speed might be considered moderate compared to newer, faster DDR4 modules available on the market.
  • Specific latency (CAS latency) information is not provided, making it difficult to fully assess its speed characteristics.
  • The benefits of ECC and registered memory are primarily for servers and workstations, offering little advantage for standard consumer PCs.

Frequently Asked Questions

The Crucial CT2K16G4RFD4213 is DDR4 ECC Registered Memory, designed for enhanced data integrity and system stability.
This memory offers increased speed, more bandwidth, and reduced power consumption at 1.2V, making it suitable for demanding applications like cloud computing and HPC.
No, registered memory cannot be mixed with unbuffered memory, and Load Reduced DIMMs cannot be mixed with standard Registered DIMMs in the same system.
It is particularly well-suited for professional environments such as networking, cloud computing, High Performance Computing (HPC), and Big Data.
This memory module operates at a power-efficient 1.2V, contributing to reduced power consumption.