Crucial

Crucial CT51272BA186DJ 4GB DDR3 1333 UDIMM Memory

Name: Crucial CT51272BA186DJ 4GB DDR3 1333 UDIMM Memory
Brand: Crucial
SKU: CT51272BA186DJ

★★★★★3.7 (3 reviews)

Boost Your System's Performance with Crucial DDR3 Memory The Crucial CT51272BA186DJ is a 4GB DDR3 UDIMM, designed to enhance your desktop's responsiveness and multitasking capabilities. Specifications: Capacity: 4GB Memory Type: DDR3 Speed: 1866 MT/s (PC3-14900) Pin Count: 240-Pin ...

$39.99*

✓ In Stock on Amazon.com

View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 21, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Boost Your System's Performance with Crucial DDR3 Memory

The Crucial CT51272BA186DJ is a 4GB DDR3 UDIMM, designed to enhance your desktop's responsiveness and multitasking capabilities.

Specifications:

Capacity: 4GB
Memory Type: DDR3
Speed: 1866 MT/s (PC3-14900)
Pin Count: 240-Pin
Error Correction: ECC
Buffering: Unbuffered
CAS Latency: CL13
Form Factor: UDIMM

Key Features

240-pin DIMM

DDR3-1866

DDR3 PC3-14900 Unbuffered, ECC, DDR3-1866, 1.5V, 512Meg x 72

The only brand of memory upgrade available directly from a DRAM manufacturer, tested to meet the most stringent industry specifications

Install it yourself in about 15 minutes. The same top-quality memory that the worlds largest computer manufacturers install in the systems they sell

Specifications

Brand

Crucial

Model Number

CT51272BA186DJ

Memory Type

DDR3

Capacity

4GB

Form Factor

240-pin DIMM

Speed

DDR3-1866 (PC3-14900)

Voltage

1.5V

Features

Unbuffered, ECC

Configuration

512Meg x 72

Frequently Asked Questions

What type of memory is the Crucial CT51272BA186DJ?

The Crucial CT51272BA186DJ is a 4GB DDR3-1866 (PC3-14900) Unbuffered ECC memory module.

What is the pin count for this memory module?

This memory module is a 240-pin DIMM, designed for compatible desktop motherboards.

Does this memory module include ECC?

Yes, the Crucial CT51272BA186DJ features Error-Correcting Code (ECC) for enhanced data integrity.

What is the operating voltage of this DDR3 memory?

This memory module operates at 1.5V.

How fast is this Crucial DDR3 memory?

It operates at a speed of DDR3-1866, also known as PC3-14900.

What Buyers Say

3.7 ★★★★★3 Amazon ratings

👍 Pros

This Crucial memory module is produced directly by a DRAM manufacturer, ensuring high-quality components.
Tested to meet stringent industry specifications, indicating reliability and performance stability.
The 240-pin DIMM form factor is compatible with a wide range of desktop motherboards that support DDR3.
Features DDR3-1866 speed (PC3-14900), providing faster data transfer rates compared to lower speed DDR3 modules.
Includes ECC (Error-Correcting Code) functionality, which enhances data integrity and system stability.
The module is unbuffered, making it suitable for standard desktop systems rather than server environments.
Installation is designed to be straightforward, typically taking about 15 minutes for users.

👎 Cons

The 4GB capacity might be considered limited for modern power users or demanding applications requiring more RAM.
While DDR3-1866 is good for DDR3, it is an older memory standard, and not compatible with newer DDR4 or DDR5 systems.
The 1.5V operating voltage is standard for DDR3 but might not be optimized for ultra-low power consumption.
Specific timings (e.g., CL latency) for the DDR3-1866 module are not provided, which can affect performance benchmarks.
As an ECC module, it is typically for workstations or servers, and some consumer motherboards may not fully utilize the ECC feature, or may even have compatibility issues if not designed for it.

Crucial CT51272BA186DJ 4GB DDR3 1333 UDIMM Memory

Overview

Boost Your System's Performance with Crucial DDR3 Memory

Specifications:

Key Features

Specifications

Similar Products

Crucial CT51264BC1339 4GB DDR3 1333 SODIMM Memory

Crucial BLS4G3D169DS1J 4GB DDR3 1600MHz UDIMM Memory

Crucial BLS4G3D1609DS1S00 4GB DDR3 1600MHz UDIMM Memory

Crucial CT2KIT25672BD160B 4GB DDR3 ECC UDIMM Server Memory Kit

Crucial CT51264BF160B 4GB DDR3 Laptop RAM

Frequently Asked Questions

Crucial CT51272BA186DJ 4GB DDR3 1333 UDIMM Memory

Overview

Boost Your System's Performance with Crucial DDR3 Memory

Specifications:

Key Features

Specifications

Similar Products

Crucial CT51264BC1339 4GB DDR3 1333 SODIMM Memory

Crucial BLS4G3D169DS1J 4GB DDR3 1600MHz UDIMM Memory

Crucial BLS4G3D1609DS1S00 4GB DDR3 1600MHz UDIMM Memory

Crucial CT2KIT25672BD160B 4GB DDR3 ECC UDIMM Server Memory Kit

Crucial CT51264BF160B 4GB DDR3 Laptop RAM

Frequently Asked Questions

Related Products