M393B2K70DMB-YH9-CISCO Cisco 16GB DDR3 Registered ECC PC3-10600 1333Mhz 4Rx4 Memory Image

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M393B2K70DMB-YH9-CISCO Cisco 16GB DDR3 Registered ECC PC3-10600 1333Mhz 4Rx4 Memory

  • Part Number : M393B2K70DMB-YH9-CISCO
  • Brand : CISCO

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CISCO M393B2K70DMB-YH9-CISCO Manufacturer
Manufacturer
Cisco
CISCO M393B2K70DMB-YH9-CISCO Capacity
Capacity
16GB
CISCO M393B2K70DMB-YH9-CISCO Memory Speed
Memory Speed
1333 MHz

Full CISCO M393B2K70DMB-YH9-CISCO Specifications

Brand Cisco
Capacity 16GB
Memory Speed 1333 MHz
Data Integrity Check ECC
Rank 4Rx4
Memory Technology DDR3

CISCO M393B2K70DMB-YH9-CISCO Frequently Asked Questions

What does it mean if memory is ECC?

ECC, which stands for Error-Correcting Code, refers to a type of memory module that incorporates advanced error-checking and error-correction capabilities. ECC memory goes beyond standard non-ECC memory by providing additional measures to ensure data integrity.

The primary purpose of ECC memory is to detect and correct certain types of data errors that may occur during the operation of a computer system. It achieves this by adding extra bits, known as parity or checksum bits, to each memory word stored in the module.

These extra bits enable the ECC mechanism to identify and automatically correct single-bit errors. If a single bit is flipped or corrupted, the ECC memory can detect the error and rectify it, preventing potential data corruption and maintaining accurate information storage.

ECC memory is particularly prevalent in critical computing systems, such as servers and workstations, as well as in environments where data integrity is paramount, such as scientific or financial applications. By providing an additional layer of error detection and correction, ECC memory significantly reduces the risk of undetected errors that could lead to system crashes, data corruption, or inaccurate calculations.

It's important to note that the utilization of ECC memory requires support from both the motherboard and the memory controller in the system. Not all systems or consumer-grade motherboards offer compatibility with ECC memory, so it's crucial to verify the specifications and requirements before incorporating ECC memory modules into a specific system.

What does it mean if memory is DDR3?

DDR3, which stands for Double Data Rate 3, is a type of computer memory technology utilized in servers, desktops, and laptops. It emerged as the third generation of DDR memory, succeeding its predecessor, DDR2. The advent of DDR3 marked a significant milestone in technological advancement for several reasons.


The release of DDR3 memory occurred in 2007, gradually superseding DDR2. Its introduction brought forth a range of improvements, rendering it a more efficient and faster memory technology. Here are the key aspects and advancements that made DDR3 a crucial development:


  1. Enhanced Data Transfer Rates: DDR3 achieved higher data transfer rates compared to DDR2. It introduced elevated clock speeds, facilitating swifter communication between the memory and the processor. DDR3 initially offered data rates starting from 800 MHz and scaled up to 2133 MHz and beyond, depending on the module's specifications.

  2. Amplified Bandwidth: DDR3 delivered increased bandwidth relative to DDR2. This was accomplished by implementing a higher prefetch length, allowing more data to be transferred in a single clock cycle. Consequently, data access became faster, resulting in improved overall system performance.

  3. Reduced Power Consumption: DDR3 was designed to operate at lower voltages than its predecessor. DDR3 memory modules typically functioned at 1.5 volts, whereas DDR2 modules operated at 1.8 volts. This voltage reduction led to lower power consumption, benefiting energy efficiency and aiding in heat management, especially in server environments.

  4. Expanded Memory Density: DDR3 facilitated higher memory densities in comparison to DDR2. This meant that more memory could be installed on a single module, enabling larger total memory capacities in servers. This advancement proved vital for memory-intensive applications and extensive virtualization environments.

  5. Enhanced Error Correction: DDR3 introduced improved error correction capabilities. DDR3 modules widely incorporated ECC (Error Correction Code) support, which played a crucial role in detecting and rectifying memory errors. This was particularly significant for server applications that demanded heightened data integrity and reliability.


Overall, DDR3 represented a significant leap in memory technology, offering faster data transfer rates, increased bandwidth, lower power consumption, expanded memory densities, and improved error correction capabilities. These advancements contributed to heightened system performance, scalability, and reliability, establishing DDR3 as a pivotal technology for server deployments and computing systems at large.

What does it mean if memory has a speed of 1333MHz?

In the context of server RAM (Random Access Memory), "1333 MHz" refers to the memory's clock speed, which is a measure of how quickly the memory can process data. The clock speed is measured in megahertz (MHz) and indicates the number of cycles the memory can complete in one second. In this case, 1333 MHz means that the memory module can complete 1.333 billion cycles per second.

Memory modules with a clock speed of 1333 MHz were released around the mid-2000s, particularly in the years 2007-2009. This marked a significant advancement in technology compared to earlier memory modules that had lower clock speeds.

The importance of this advancement can be understood in the context of improving overall system performance, especially in servers. Here's why the increase in memory clock speed was significant:

  1. Faster Data Processing: The higher clock speed allowed data to be transferred to and from the memory at a faster rate. This meant that applications and the operating system could access data stored in memory more quickly, leading to overall improved performance.

  2. Reduced Latency: Latency refers to the time delay between making a request for data and receiving the data. Higher clock speeds helped reduce memory access latency, leading to quicker response times and smoother multitasking.

  3. Better Multitasking: Servers often run multiple tasks simultaneously. With faster memory, the server could handle more tasks efficiently without experiencing significant slowdowns due to memory bottlenecks.

  4. Improved Bandwidth: The increased clock speed also led to higher memory bandwidth, which refers to the amount of data that can be transferred between the memory and other components (like the CPU) in a given amount of time. Higher bandwidth is crucial for data-intensive applications.

  5. Enhanced Server Performance: In server environments, performance is essential for serving clients, processing data, and running applications. Faster memory contributed to better overall server performance and responsiveness.

Support for Advanced Applications: As technology advanced, applications and software became more resource-intensive. Higher clock speed memory allowed servers to keep up with these demands, ensuring smooth operation of resource-intensive tasks.

It's important to note that memory speed is just one factor among several that influence overall system performance. The CPU, storage, and other components also play vital roles. While 1333 MHz memory was a notable advancement, subsequent generations of memory modules with even higher clock speeds have been developed, further improving server performance.

What does it mean if memory has a chipset of 4Rx4?

When referring to server RAM, the term "4Rx4" pertains to the organization and configuration of the memory modules. Let's break it down further:


  • "4R" signifies that the memory module consists of four ranks. A rank represents a logical grouping of memory chips on the module, allowing for independent access and improved memory performance.

  • The "x4" indicates the arrangement of memory chips within each rank. Specifically, it signifies a 4-bit configuration, meaning that each chip can store 4 bits of data.


This particular memory configuration, featuring four ranks and a 4-bit organization within each rank, provides several important advancements in technology. It enables higher memory capacity, allowing for greater data storage, and enhances data transfer rates compared to previous configurations. This results in the simultaneous access of larger amounts of data and improved memory bandwidth.


The introduction of memory modules with the 4Rx4 configuration can be traced back to the mid-2000s. Since then, this technology has continued to evolve and find broader application.


The significance of the 4Rx4 configuration lies in its key benefits:


  1. Increased Memory Capacity: By incorporating four ranks, more memory chips can be accommodated on a single module, facilitating higher memory capacities. This is particularly crucial for server environments that handle resource-intensive workloads.

  2. Enhanced Performance: The 4Rx4 configuration improves memory performance through the utilization of multiple ranks and the resulting parallelism. This enables faster data access and transfer rates, minimizing bottlenecks and elevating overall system performance.

  3. Improved Fault Tolerance: With multiple ranks, memory modules become more resilient. In the event of a fault occurring in one rank, the remaining ranks continue to function, reducing the impact on system stability and reliability.


In summary, the 4Rx4 memory configuration represents a significant technological advancement in server RAM. It offers expanded memory capacities, improved performance, and increased fault tolerance, all of which are essential for demanding server applications and workloads.

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December 22, 2022 by Scott Carpenter

"We're a Canadian company who was badly in need of a drive for our server. Wasn't sure how the cross border purchase would go but Scott and his team had us taken care of at a price that couldn't be beaten and with lightning speed and efficiency. We had our drive in just a few days. I would highly recommend this company! Wish there were more out there like them!"

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May 26, 2023 by carlos de la roche

"i ask since the first contsct if the memories are new brand sealed and i receive the memories but dont have original sealed"

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