HPE 838081-B21 16GB Memory PC4-21300
If you need a large quantity of 838081-B21 product - call us through our toll-free number at (800) 675 5044 or request a quote at live chat and our sales manager will contact you shortly.
Looking for assistance? Connect with one of our experts
+1 (800) 675 5044 (Toll-Free)
FREE Shipping. We are accepting NET 30 Days Purchase Orders. Get a decision in seconds, without affecting your credit.

HPE 838081-B21 16GB RAM 2666Mhz PC4-21300 CL19 ECC Bulk

Availability: In Stock
Part Number#: 838081-B21
List Price was: $416.28
Your Price:
You Save: $237.28 (57% off)

Additional 5% Discount on Checkout

Short Description:
838081-B21 16 Gigabytes(GB) (1X16GB) 2666 Megahertz (MHz) Pc4-21300 Cl19 Ecc Registered Single Rank X4 1.2v Double Data Rate 4 (DDR4) SDRAM 288-pin Rdimm Smart Memory Module for Server | Made by HPE | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

Product overview for the HPE 838081-B21

In the fast-evolving landscape of server technology, memory modules play a pivotal role in ensuring optimal performance and reliability. One such noteworthy component is the HPE 838081-B21 16GB DDR4 SDRAM Smart Memory Module. In this detailed exploration, we will delve into the intricate specifications, features, and benefits of this memory module, catering to both tech enthusiasts and professionals seeking a comprehensive understanding.

Overview to HPE 838081-B21

HPE, short for Hewlett Packard Enterprise, is renowned for producing cutting-edge hardware solutions, and the 838081-B21 stands as a testament to their commitment to excellence. This particular memory module is designed to elevate server performance, making it an indispensable component for data centers and enterprises with demanding computational workloads.

Deep Dive into Key Features

Let's explore the standout features of the HPE 838081-B21 that contribute to its reliability, performance, and overall value proposition.

High Capacity for Demanding Workloads

With a substantial capacity of 16GB, this memory module is well-suited for servers handling resource-intensive applications. From virtualization to database management, the ample memory ensures smooth multitasking and responsiveness.

Optimized Speed and Bandwidth

Operating at 2666mhz, the module delivers a high-speed data transfer rate, enhancing overall system responsiveness. This is particularly beneficial for tasks that require quick data access and retrieval.

Pc4-21300 Type: Ensuring Compatibility

The Pc4-21300 type signifies compatibility with DDR4 memory standards, making it seamlessly integrate with modern server architectures. This ensures that the memory module can keep up with the latest technological advancements.

Error-Correcting Code (ECC) for Enhanced Reliability

The inclusion of ECC is crucial for detecting and correcting memory errors in real-time. In server environments where data integrity is paramount, ECC plays a pivotal role in preventing potential data corruption and system crashes.

Registered and Single Rank Configuration

The registered design adds a level of stability by reducing electrical load on the memory controller, contributing to enhanced reliability. Additionally, being a single rank module simplifies memory access patterns, optimizing performance in certain computing scenarios.

X4 Organization: Maximizing Efficiency

The X4 organization indicates that each memory bank contains four memory cells. This organizational structure enhances memory efficiency, ensuring that data can be accessed and processed more swiftly.

Low Voltage Operation (1.2v)

Operating at 1.2 volts, this memory module is energy-efficient, contributing to reduced power consumption. In data centers where power efficiency is a priority, the low voltage operation of the HPE 838081-B21 is a significant advantage.

DDR4 Technology: Embracing the Latest Standards

Being DDR4 compliant positions this memory module at the forefront of current industry standards. DDR4 technology brings improvements in speed, bandwidth, and power efficiency compared to its predecessors, further enhancing overall system performance.

288-pin Rdimm Form Factor: Ensuring Physical Compatibility

The 288-pin Rdimm form factor ensures physical compatibility with server memory slots designed to accommodate this specific configuration. This standardized form factor simplifies installation and allows for a secure and stable connection.

Smart Memory Module: Intelligent Monitoring and Management

The inclusion of smart memory technology provides advanced monitoring and management capabilities. This allows system administrators to proactively identify and address potential issues, contributing to enhanced system reliability and uptime.

Applications and Use Cases

Understanding the features is crucial, but it's equally important to grasp the practical applications and scenarios where the HPE 838081-B21 excels.

Data Centers

In large-scale data center environments, where servers handle diverse workloads simultaneously, the high capacity, ECC support, and smart memory features make this module an ideal choice.


For virtualized environments, the combination of high capacity and ECC ensures reliable performance, even when hosting multiple virtual machines on a single physical server.

Database Servers

In database server scenarios, the optimized speed and error correction capabilities contribute to efficient data retrieval and storage, crucial for database-intensive operations.

Enterprise Applications

For enterprises running resource-intensive applications, such as complex analytics or enterprise resource planning (ERP) systems, the HPE 838081-B21 ensures a responsive and reliable computing experience.

Cloud Computing

In cloud computing environments, where scalability and reliability are paramount, the features of this memory module contribute to the seamless operation of cloud-based services.

General Information about the HPE 838081-B21

  • Manufacturer: HPE
  • Model Number or SKU# 838081-B21
  • Type: Memory (RAM)
  • RAM Type: PC4-21300
  • Product Name: 16GB DDR4 SDRAM Memory Module

Technical Information for the 16GB DDR4 RAM

  • Storage Capacity: 16GB
  • Memory Technology: DDR4 SDRAM
  • Number Of Modules: 1 X 16GB
  • Bus Speed: 2666mhz DDR4-21300/PC4-2666V
  • Data Integrity Check: ECC
  • Signal Processing: Registered
  • Cas Latency Timings: Cl19
  • Rank Features: 1rx4
  • Form Factor: 288-pin Rdimm

Compatibility of HPE 16GB Memory Module

  • HPE Proliant Dl580 Gen10 Server
  • HPE Proliant Dl380 Gen10 Server
  • HPE Proliant Dl360 Gen10 Server
  • HPE Proliant Dl560 Gen10 Server
  • HPE Proliant Ml350 Gen10 Server
  • HPE Proliant Ml110 Gen10 Server
  • HPE Proliant Xl190r Gen10 Server
  • HPE Compute Modules
  • Synergy 660 Gen10
  • Synergy 480 Gen10

In summary, the HPE 838081-B21 16GB DDR4 SDRAM Smart Memory Module stands as a versatile and high-performance component in the realm of server memory. From its impressive capacity to advanced features like ECC and smart memory technology, it caters to the demanding requirements of modern computing environments. Whether deployed in data centers, virtualized settings, or enterprise applications, this memory module delivers the reliability and performance expected from Hewlett Packard Enterprise products. As technology continues to advance, memory modules like the HPE 838081-B21 play a pivotal role in shaping the future of server computing, ensuring that systems operate at peak efficiency and reliability.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.

Here, you can check more available conditions of your desired product 838081-B21 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 Categories For - Memory - Pc4-21300


Please choose your location for calculate shipping cost.


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.


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.