Understanding Memory Capacity and Speed
Understanding Memory Capacity and Speed: Memory capacity refers to the amount of data that can be stored in a memory module, measured in gigabytes (GB) or terabytes (TB). The 815102-S21 HPE 128GB 2666Mhz Memory has a capacity of 128GB, which means it can store 128 billion bytes of data.
Memory speed, on the other hand, refers to the rate at which data can be transferred between the memory module and the processor, measured in megahertz (MHz) or gigahertz (GHz). The 815102-S21 HPE 128GB 2666Mhz Memory has a speed of 2666MHz, which means that it can transfer data at a rate of 2666 million times per second.
The speed of the memory can affect the performance of the server, as a faster memory can provide quicker access to data, which in turn can lead to faster application response times and improved overall performance. The 815102-S21 HPE 128GB 2666Mhz Memory is designed to provide high-speed memory performance for HPE servers, which is important for applications that require fast data processing.
However, it is important to note that the memory speed must be compatible with the server's memory controller and the processor's memory interface.
ECC Memory and its Benefits
ECC Memory, or Error Correction Code Memory, is a type of memory that can detect and correct single-bit errors that may occur during data transfer. It does this by adding an extra bit, called the parity bit, to each byte of data stored in the memory. These parity bits are used to check for errors and correct them if they are found.
Benefits of using ECC memory include:
- Data Integrity: ECC memory can detect and correct errors, ensuring that the data stored in memory is accurate and reliable.
- Reduced downtime: ECC memory can prevent system crashes and data corruption caused by memory errors, reducing downtime and minimizing the need for system maintenance.
- Improved system stability: ECC memory can help to improve the overall stability of the system by detecting and correcting errors before they cause problems.
- Better data security: ECC memory can protect sensitive data from being corrupted or lost due to memory errors.
- Increased system performance: ECC memory can improve system performance by reducing the number of errors that occur during data transfer, leading to faster data processing times and improved overall performance.
It is important to note that ECC memory is typically more expensive than non-ECC memory and also it may require specific motherboards and processors which support ECC memory.
Registered vs Un-buffered Memory
Registered memory, also known as buffered memory, has a register built into the memory module that acts as a buffer between the memory module and the memory controller. This register helps to control the flow of data between the memory module and the memory controller, which can help to improve system stability and performance.
Un-buffered memory, on the other hand, does not have a register built into the memory module. This means that data is transferred directly between the memory module and the memory controller, without the use of a buffer.
Benefits of registered memory include:
- Improved system stability: The buffer built into the memory module can help to control the flow of data between the memory module and the memory controller, which can help to improve system stability.
- Increased memory capacity: Registered memory can support higher memory capacities than un-buffered memory.
- Better performance: Registered memory can provide better performance than un-buffered memory in certain types of systems, such as servers and workstations.
Benefits of Unbuffered memory include:
- Lower cost: Un-buffered memory is typically less expensive than registered memory.
- Increased memory bandwidth: Un-buffered memory can provide increased memory bandwidth, which can lead to better performance in certain types of systems.
- Compatibility: Un-buffered memory is more compatible with a wider range of motherboards and processors.
It is important to note that registered memory is generally more expensive than un-buffered memory, but it also provides better performance and stability in certain types of systems, such as servers and workstations.
General Information of this HPE 815102-S21
- Brand Name: HPE
- Model Number or SKU# 815102-S21
- Type: Memory (RAM)
- RAM Type: Pc4-21300
- Product Name: 128GB DDR4 SDRAM Memory Kit
Technical Information about 128GB DDR4 Ram
- Storage Capacity: 128GB
- Memory Technology: DDR4 SDRAM
- Number Of Modules: 1 X 128GB
- Bus Speed: 2666MHZ DDR4-21300/PC4-2666
- Data Integrity Check: Ecc
- Signal Processing: Registered
- Cas Latency Timings: Cl19
- Rank Features: 8rx4
- Form Factor: 288-pin Lrdimm
Physical Characteristics of HPE Memory
- Dimensions (W X D X H) : 8.89 X 19.81 X 1.91 Cm (3.5 X 7.8 X 0.75 In)
- Weight: 0.45 Kg (1 Lb)
Compatibility for 128GB DDR4 Ram
- HPE Convergedsystem 500, Proliant Bl460c Gen10, Dl360 Gen10, Dl380 Gen10, Dl560 Gen10, Ml350 Gen10, Xl230k Gen10, Synergy 480 Gen10, 660 Gen10
Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.
About New Bulk Pack Products
Memory PC4-21300
If you are looking for a memory module with high-speed, efficiency, high capacity, and low energy consumption, the DDR4 memory series is the best option money can buy. Thanks to our extensive collection of DDR4 memories, you don't have to look any further. The DDR4 PC4-21300 presents a high-efficient component for DIY experts and power users seeking reliability, unbeatable performance, and speed. It is built with the latest technology for major performance motherboard brands to enable the best-in-class reliability and compatibility across a wide range of motherboards. Depending on your storage needs and budget, you can choose from the following categories all on allhdd.com: 16GB, 128GB, 96GB, 64GB, 32GB, 8GB, 256GB, 192GB and 384G
What is the DDR4 Memory Standard?
The Double Data Rate Fourth Generation Synchronous Dynamic Random-Access Memory, otherwise known as The DDR4 SDRAM, is the latest high-efficiency memory module with 288 pins, released to the public in the second quarter of 2014. The PC4-21300 or DDR4-21300 comes with a mega transfer speed of 21300Mg/s. It flaunts cutting-edge performance and is highly compatible with AMD Ryzen processors and DDR-enabled Intel motherboards.
Memory Clock Speed
The clock speed is the measure of the number of cycles the system's CPU executes per second. In the case of the PC4 21300 memory module, it is 21,300MB/s. You'd want to check what works for your computer before making any buying decision.
Cycle Time
The time between the beginning of one random access memory (RAM) access to when the subsequent access begins is the Cycle time. This time is usually measured in nanoseconds. The PC4-21300 has a cycle time of 19ns.
I/O bus clock
The I/O bus clock of the PC4-21300 is 10650MHz. I/O bus clock is always half of the bus data rate.
Things to consider before buying a Memory module
The computer's RAM remains a crucial component for cutting-edge performance and efficient computing. Thus, buying one for your computer shouldn't be taken with levity. Here are a few things to consider when purchasing a RAM.
- Interface
DDR4 memory is not compatible with a motherboard designed for DDR3 memory, and the same goes for other modules. Hence, you must ensure the RAM you buy is the specific type your motherboard needs.
- Amount of RAM
As mentioned earlier, as far as size goes, allhdd.com has the most comprehensive collection of PC4-21300 modules. If your machine handles many programs simultaneously, you may want to increase its RAM for better performance.
- Frequency
DDR4 RAM begins from 2133 MHz and goes all the way up to a stunning 4266 MHz. You want to be sure you purchase RAM with a frequency that is compatible with your computer. Getting this wrong could prove fatal as you can harm your computer as well as the incompatible RAM.
Get DDR4/PC4-21300 memory modules from top brands on allhdd.com at the best price. There is free-grounding shipping to 48 states in the United States. We have a competent customer desk to cater to all queries about purchases and tracking.
Here, you can check more available conditions of your desired product 815102-S21 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.
Other Available Conditions for this Part
Warranty
ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.
What does ALLHDD.Com warranty cover?
30-days to 3 years warranty:
Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.
What is not covered by our warranty?
The reason why our warranty does not cover any problem caused by the following conditions:
(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;
(b) any misuse outside the instructions in the user manual for any specific product;
(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.
What is the Manufacturer/Brand Warranty?
In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).
For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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Important notes:
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Individual product warranty mentioned on each item product description page/detail page.
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Delivery
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