0 ratings
Item #:
8430861
Crucial 16GB, 288-pin DIMM, DDR4 PC4-21300,
Item #:
8430861
MWK 391551
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Sunday, July 26
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Enhance your computer's performance with fast and efficient data processing, ECC support, and stability provided by the CT16G4RFD8266 16GB DDR4 memory module.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Capacity
With 16GB memory in a single module, this RAM provides ample space for multitasking and enhanced performance, ideal for workstation and server applications requiring intense computational power.
ECC Support
Featuring Error-Correcting Code (ECC), it automatically detects and corrects data corruption, ensuring system stability and reliability, which is crucial for mission-critical tasks in professional environments.
Registered DIMM
As a registered DIMM (RDIMM), it allows for better scalability in larger memory configurations, making it an excellent choice for servers that need to handle multiple data-intensive operations efficiently.
Product Details
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
-
Data Center Usage
Ideal for servers in data centers requiring reliable memory for heavy workloads and data integrity.
-
Workstation Professionals
Great for professionals running resource-intensive applications like CAD, video editing, or large databases.
-
ECC Memory Needs
Suitable for users needing error-correcting code memory for stability and reliability during critical computing.
-
Casual Gamers
Not ideal for casual gaming setups that do not require extensive memory capacity or ECC functionality.
-
Home PCs
Home users building basic PCs may find this high-capacity, registered DIMM unnecessary for everyday tasks.
-
Budget Systems
Not suitable for budget builds; higher cost compared to non-ECC standard memory solutions is not justified.
Product Description
Crucial 16GB, 288-pin DIMM, DDR4 PC4-21300,
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the Crucial CT16G4RFD8266 and what makes it unique?
Answer: The Crucial CT16G4RFD8266 is a 16GB DDR4-2666 RDIMM designed for high-performance computing. What sets it apart is its ECC (Error-Correcting Code) capability, which helps detect and correct data corruption, making it ideal for servers and workstations where data integrity is paramount. With a speed of 2666 MHz and a voltage of 1.20 V, this memory module ensures both efficiency and reliability, making it a strong choice for demanding applications. -
Question:
How do I know if the Crucial CT16G4RFD8266 is compatible with my system?
Answer: To determine compatibility, check your motherboard specifications to see if it supports DDR4 memory and has an ECC feature. Many high-end servers and professional workstations designed for data-intensive tasks utilize ECC RDIMMs like the Crucial CT16G4RFD8266. Additionally, ensure your system can accommodate a 288-pin DIMM module, as this is the standard connector for this memory type. -
Question:
What applications benefit the most from using the Crucial CT16G4RFD8266?
Answer: The Crucial CT16G4RFD8266 is particularly beneficial for applications that require high reliability and performance, such as database management systems, virtualization, and heavy-duty computing tasks. Its ECC technology enhances the processing of critical data, thus minimizing the risk of data loss or corruption, making it ideal for businesses that rely on stable server operations. -
Question:
What are the installation steps for the Crucial CT16G4RFD8266?
Answer: To install the Crucial CT16G4RFD8266, first, power down your system and unplug it. Open the casing, locate the DIMM slots, and gently push the locking clips to the sides. Align the notches on the memory module with the slot and insert it at a slight angle before pressing down firmly until the clips snap back into place. Close the casing, reconnect, and power on your system to enjoy enhanced performance. -
Question:
Is it possible to mix different RAM sizes with the Crucial CT16G4RFD8266?
Answer: While it's technically possible to mix different RAM sizes, it is recommended to use the same size and speed for optimal performance. Mixing sizes can lead to a mismatch in speed and timings, potentially causing instability. If you pair the Crucial CT16G4RFD8266 with another RAM stick, ensure that both sticks share similar specifications to maximize system performance and reliability. -
Question:
What is the speed and voltage specification of the Crucial CT16G4RFD8266?
Answer: The Crucial CT16G4RFD8266 operates at a speed of 2666 MHz with a voltage requirement of 1.20 V. These specifications ensure efficient power management while providing sufficient bandwidth for modern applications. The 2666 MHz speed is ideal for both performance and stability in server environments, allowing for quick data access and processing. -
Question:
What does ECC mean and why is it important in the Crucial CT16G4RFD8266?
Answer: ECC stands for Error-Correcting Code, a feature that detects and corrects data corruption in memory. It is crucial for applications where data integrity is essential, such as in servers handling sensitive information. The Crucial CT16G4RFD8266's ECC capability helps maintain system stability by correcting single-bit and detecting multi-bit errors, reducing the chance of system crashes or data loss. -
Question:
Can I use the Crucial CT16G4RFD8266 in gaming builds?
Answer: Yes, you can use the Crucial CT16G4RFD8266 in gaming builds, especially if your system supports ECC memory. Though gaming typically doesn’t require ECC, the additional stability it provides is beneficial for gaming setups that also run heavy applications or stream content simultaneously. However, check your motherboard's compatibility with ECC memory before purchase. -
Question:
Where can I buy Crucial CT16G4RFD8266 in Malawi?
Answer: You can buy the Crucial CT16G4RFD8266 from Ubuy. They offer a convenient online shopping experience with a wide selection of tech products, making it easy to find this specific RAM module. With Ubuy's platform, you'll have access to detailed product information and customer support to address any queries before purchase. -
Question:
What is the difference between RDIMM and UDIMM memory?
Answer: RDIMM (Registered DIMM) includes a register between the DRAM and the memory controller, which helps improve stability and scalability, particularly in systems with large memory capacities. UDIMM (Unbuffered DIMM), on the other hand, connects directly to the memory controller, providing slightly lower latency. The Crucial CT16G4RFD8266's RDIMM design makes it suitable for servers and workstations that require enhanced reliability in high-memory configurations.
Crucial Memory Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
MWK 391551
Order now and get it around Sunday, July 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.