DDR4 SDRAM Technology
DDR4 SDRAM (Double Data Rate 4 Synchronous Dynamic Random Access Memory) is the latest generation of memory technology for computers and servers. It is designed to provide higher performance and improved energy efficiency over its predecessor, DDR3 SDRAM.- Increased memory bandwidth: DDR4 SDRAM provides increased memory bandwidth, which can lead to better performance in certain types of systems.
- Higher clock speeds: DDR4 SDRAM supports higher clock speeds than DDR3 SDRAM, which can result in faster data transfer rates.
- Increased memory capacity: DDR4 SDRAM can support higher memory capacities than DDR3 SDRAM.
- Lower power consumption: DDR4 SDRAM has a lower operating voltage than DDR3 SDRAM, which can result in lower power consumption and improved energy efficiency.
- Better signal integrity: DDR4 SDRAM uses a more advanced signaling technology than DDR3 SDRAM, which can result in better signal integrity and improved system stability.
- Improved thermal performance: DDR4 SDRAM has improved thermal performance, which can help to reduce the risk of overheating in high-performance systems.
- Enhanced error detection and correction: DDR4 SDRAM has enhanced error detection and correction capabilities, which can help to improve system reliability and prevent data corruption.
- Improved data security: DDR4 SDRAM has improved data security features, such as advanced encryption and secure boot capabilities.
- Enhanced memory refresh: DDR4 SDRAM has enhanced memory refresh capabilities, which can help to improve memory performance and extend the life of the memory module.
- Better energy efficiency: DDR4 SDRAM is more energy efficient than DDR3 SDRAM, which can help to reduce power consumption and improve system performance.
- Improved scalability: DDR4 SDRAM is designed to be more scalable than DDR3 SDRAM, which can help to improve system performance and reduce the risk of memory bottlenecks.
- Optimized for virtualization: DDR4 SDRAM is optimized for virtualization environments, which can help to improve system performance and reduce the risk of memory bottlenecks.
- Improved system reliability: DDR4 SDRAM has improved system reliability features, such as advanced error detection and correction capabilities, which can help to prevent data corruption and improve system stability.
- Enhanced memory management: DDR4 SDRAM has enhanced memory management features, such as memory mirroring and memory interleaving, which can help to improve system performance and reduce the risk of memory bottlenecks.
- Support for advanced memory technologies: DDR4 SDRAM supports advanced memory technologies, such as NUMA (Non-Uniform Memory Access) and memory virtualization, which can help to improve system performance and reduce the risk of memory bottlenecks.
288-pin DIMM form Factor
- Compatibility with HPE Server Models
- Installation and Configuration
- Troubleshooting and Maintenance
- Warranty and Support
- Frequency and CAS Latency
- Power Consumption and Thermal Design
- Error Detection and Correction
- Signal Integrity and Data Integrity
- Memory Channel and Density
- Memory Ranking and organization
- Memory Bus and Data Rate
- Voltage and Timing Parameters
- Upgrading and Scalability
- Cost-effectiveness and ROI.
Memory Layout and Organization
Memory layout and organization refer to the physical arrangement and organization of memory modules within a computer system. Memory layout is the physical arrangement of memory modules on the motherboard and memory organization refers to how the memory is organized and accessed.
There are several factors that affect memory layout and organization including:
- Memory channel configuration: This refers to the number of memory channels that are present on the motherboard and the number of memory modules that can be installed in each channel.
- Memory bank and ranks: Memory is organized into banks and ranks. Banks refer to the physical memory modules themselves, while ranks refer to the organization of memory within a bank.
- Memory interleaving and mirroring: Interleaving is a method of organizing memory so that accesses to different memory locations can occur simultaneously, while mirroring is a method of copying data across multiple memory banks to provide redundancy in case of failure.
- Memory address mapping: This refers to how the memory addresses are mapped to the physical memory modules.
- Memory command and control signals: These are the signals that are used to control and communicate with the memory modules.
The understanding of these factors is important for system administrators and engineers to properly install, configure and troubleshoot memory in a server.
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.
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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.
Important notes:
We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.
Individual product warranty mentioned on each item product description page/detail page.
Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.
Delivery
Shipping Options and Estimated Delivery Time
UPS Shipping Options:
FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days
UPS 3 Day Select®
Estimated delivery time: 3 business days
UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM
UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.
UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM
UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.
UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday
FedEx Shipping Options:
FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.
FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)
FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states
FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)
FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states
FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states
Worldwide Shipping Options:
UPS®/FedEx® International Economy
Estimated delivery time: 4-7 business days
UPS®/FedEx® International Priority
Estimated delivery time: 2-4 business days
UPS®/FedEx® Ground Shipping Canada
Estimated delivery time: 5-8 business days
Important notes:
- The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
- We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
- If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
- You can estimate the shipping cost from the products detail page, also available on the checkout page
- The shipping cost depends on box dimensions, weight, and zip/postal code
- To get a FedEx® delivery service you need to mention it on the checkout page notebox.
- For urgent shipments, please contact our customer service.
- Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.
