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Reliable DDR4 memory for servers.
876181-B21
HP 8GB DDR4 REG ECC 2666MHZ 2RX8 MEMORY
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Name:
876181-B21
- Description:
- HP 8GB DDR4 REG ECC 2666MHZ 2RX8 MEMORY
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$531.11
- Price:
$164.6569% off
Quantity:
1
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876181-B21 Overview
876181-B21 is a high-performance DDR4 memory module designed as a SO-DIMM for laptop environments. It features a speed of 2666 MHz with CAS latency CL19 operating at 1.2V, built in a single-channel kit configuration with an 8 GB module size, and is non-ECC and unbuffered, making it ideally suited for general laptop and workstation applications.
876181-B21 offers a streamlined design without extra thermal or RGB enhancements, ensuring reliable performance on compatible platforms. Its specifications make it an excellent choice for users seeking efficient and stable memory performance in compact desktop or mobile computing systems.
876181-B21 price is $164.65, a 69% saving from the Hpe list price of $531.11. 876181-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 876181-B21 for additional pricing. Browse the full Hpe Memory & Ram series or explore all Hpe products.
876181-B21 Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 8 GB
- Compatible Platforms
- Laptop
- Compatible Systems
- N/A
- Form Factor
- SODIMM
- Kit Configuration
- Single Channel
- Speed
- 2666 MHz
- Operating Temperature
- N/A
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL19
- Voltage
- 1.2V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- No
- RGB Lighting
- No
- Heatsink / Heatspreader
- No
- Intel Platform Support
- N/A
- AMD Platform Support
- N/A
- Use Case
- General Use
- Product Name
- 876181-B21 DDR4 SODIMM Memory Module
- Height
- 0.19 inches
- Width
- 2.66 inches
- Depth
- 1.18 inches
- Weight
- 0.1 lbs
876181-B21 Use Case
Mission-Critical Database Acceleration with 876181-B21-HP DDR4 ECC Memory
In enterprise SQL Server or Oracle RAC environments, deploying 876181-B21-HP 8GB DDR4 REG ECC 2666MHz 2Rx8 modules delivers error-correcting reliability and consistent 2666 MHz throughput. The result is sustained transaction performance, near-zero memory-related downtime and improved data integrity for 24/7 financial or e-commerce operations.
Enterprise Virtualization Host Scaling with HP 8GB DDR4 REG ECC
When powering VMware vSphere or Microsoft Hyper-V clusters, installing 876181-B21-HP memory modules enables higher VM density and dynamic memory overcommit without compromising stability. Benefits include reduced hardware footprint, lower total cost of ownership and enterprise-grade fault tolerance for business-critical workloads.
Real-Time Analytics and In-Memory Computing Optimization
For SAP HANA, Apache Spark or Hadoop edge nodes, the 876181-B21-HP 8GB DDR4 REG ECC 2666MHz module ensures low-latency, high-throughput data processing with built-in error correction. Outcome: accelerated insight delivery, minimized data corruption risk and scalable performance for AI-driven and BI applications.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 876181-B21 |  P10729-B21 |  838079-B21 |  P10733-B21 |  P00924-B21 | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 8 GB | 16 GB | 8 GB | 16 GB | 16 GB |
| Compatible Platforms | Laptop | Desktop | Desktop | Desktop | Desktop |
| Compatible Systems | N/A | N/A | Workstation | Workstation | Workstation |
| Form Factor | SODIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Dual Channel | Dual Channel | Single Channel | Dual Channel |
| Speed | 2666 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL19 | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.2V | 1.35V | 1.35V | 1.35V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | No | Yes | Yes | Yes | Yes |
| Intel Platform Support | N/A | Intel 10th Gen | Intel 12th Gen | Intel 13th Gen | Intel 12th Gen |
| AMD Platform Support | N/A | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | General Use | Gaming / Workstation | Workstation | Gaming | Gaming / Workstation |
| Product Name | 876181-B21 DDR4 SODIMM Memory Module | P10729-B21 DDR4 Desktop Memory Module | 838079-B21 High Performance DDR4 Memory Module | P10733-B21 16GB DDR4 UDIMM Memory Module | P00924-B21 High Performance DDR4 Memory Kit |
| Height | 0.19 inches | 1.3 inches | 1.2 inches | 1.38 inches | 1.2 inches |
| Width | 2.66 inches | 5.3 inches | 5.3 inches | 5.25 inches | 5.3 inches |
| Depth | 1.18 inches | 0.2 inches | 0.5 inches | 0.5 inches | 1.2 inches |
| Weight | 0.1 lbs | 0.35 lbs | 0.3 lbs | 0.2 lbs | 0.3 lbs |
Reviews & Ratings
H
Hiba Rashid
4
No compatibility problems.
S
Sven Larsson
5
Consistent performance.
U
Usama Khalil
3
Stable under load.
T
Tara Williams
4
Good quality RAM.
Questions & Answers
What is the capacity and form factor of the HP 876181-B21 memory module?
The HP 876181-B21 module delivers 8 GB of DDR4 registered ECC memory in a 288-pin RDIMM form factor.
What type of memory is the HP 876181-B21?
The HP 876181-B21 is DDR4 Registered (RDIMM) memory with Error-Correcting Code (ECC) for server environments.
What is the clock speed of the HP 876181-B21 module?
This module operates at a native 2666 MHz frequency to ensure high data throughput and system responsiveness.
What does 2Rx8 mean in HP 876181-B21 specifications?
2Rx8 indicates a dual-rank memory configuration with eight data bits per chip, optimizing density and performance.