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Affordable memory upgrade with solid performance.
838079-B21
HPE 8GB 1Rx8 PC4-2666V-R Smart Kit
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Name:
838079-B21
- Description:
- HPE 8GB 1Rx8 PC4-2666V-R Smart Kit
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838079-B21 Overview
838079-B21 is a high-performance DDR4 UDIMM memory module operating at 3200 MHz with a CAS latency of CL16 and a voltage of 1.35V. This module comes in an 8 GB capacity as part of a dual channel kit configuration, is non-ECC and unbuffered, and is compatible with desktop systems primarily designed for workstation builds.
Engineered with an integrated heatspreader for enhanced thermal management, 838079-B21 is optimized for reliability and stability in demanding environments. Its design, which does not feature RGB lighting, is perfectly suited for workstations and high-performance desktop scenarios where efficient, consistent memory performance is key.
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838079-B21 Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 8 GB
- Compatible Platforms
- Desktop
- Compatible Systems
- Workstation
- Form Factor
- UDIMM
- Kit Configuration
- Dual Channel
- Speed
- 3200 MHz
- Operating Temperature
- N/A
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL16
- Voltage
- 1.35V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- Intel XMP 2.0
- RGB Lighting
- No
- Heatsink / Heatspreader
- Yes
- Intel Platform Support
- Intel 12th Gen
- AMD Platform Support
- AMD Ryzen 5000
- Use Case
- Workstation
- Product Name
- 838079-B21 High Performance DDR4 Memory Module
- Height
- 1.2 inches
- Width
- 5.3 inches
- Depth
- 0.5 inches
- Weight
- 0.3 lbs
838079-B21 Use Case
High-Density Virtualization on HPE ProLiant with 838079-B21 8GB PC4-2666V-R Smart Kit
In an HPE ProLiant DL360 Gen10 virtualization cluster running VMware vSphere, deploying the 838079-B21-HPE 8GB 1Rx8 PC4-2666V-R Smart Kit increases memory throughput by up to 20%, enabling consolidation of additional VMs per host without compromising ECC reliability. This solution reduces hardware footprint and lowers operational costs while maintaining high availability.
Accelerated Enterprise SQL Databases using HPE 838079-B21 8GB PC4-2666V-R
For enterprise-grade SQL Server workloads on HPE ProLiant DL380 Gen10, upgrading to the 838079-B21-HPE 8GB 1Rx8 PC4-2666V-R Smart Kit cuts average query response times by up to 25% and ensures continuous error correction. This results in faster analytics, improved user experience, and optimized database throughput with minimal downtime.
Reliable Edge Computing in Retail with 838079-B21 8GB PC4-2666V-R Smart Kit
Retail chains deploying HPE MicroServer Gen10 in remote branches leverage the 838079-B21-HPE 8GB 1Rx8 PC4-2666V-R Smart Kit’s ECC protection and low-voltage efficiency to maintain system stability under variable environmental conditions. This ensures uninterrupted point-of-sale operations, reduces maintenance visits, and enhances customer satisfaction.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 838079-B21 |  713985-B21 |  728629-B21 |  838081-B21 |  836220-B21 | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 8 GB | 8 GB | 16 GB | 8 GB | 16 GB |
| Compatible Platforms | Desktop | Desktop | Desktop | Desktop | Desktop / Laptop / Server |
| Compatible Systems | Workstation | Workstation | N/A | N/A | Workstation |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Dual Channel | Single Channel | Dual Channel | Single Channel | Dual Channel |
| Speed | 3200 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) | CL16 | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | 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 | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 12th Gen | Intel 11th Gen | Intel 12th Gen | Intel 10th Gen | Intel 12th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 3000 | AMD Ryzen 5000 |
| Use Case | Workstation | Gaming / Workstation | Gaming | Gaming | Gaming |
| Product Name | 838079-B21 High Performance DDR4 Memory Module | 713985-B21 DDR4 8GB 3200MHz UDIMM Memory | 728629-B21 DDR4 High Performance Memory | 838081-B21 DDR4 8GB UDIMM 3200MHz CL16 Memory Module | 836220-B21 |
| Height | 1.2 inches | 1.2 inches | 1.5 inches | 1.2 inches | 1.18 inches |
| Width | 5.3 inches | 5.28 inches | 5.3 inches | 5.3 inches | 5.25 inches |
| Depth | 0.5 inches | 0.5 inches | 0.5 inches | 0.5 inches | 0.13 inches |
| Weight | 0.3 lbs | 0.25 lbs | 0.3 lbs | 0.3 lbs | 0.34 lbs |
Reviews & Ratings
A
Anum Siddiq
4
Works smoothly in our server fleet.
M
Mateusz Zielinski
5
Stable and efficient.
S
Saad Munir
3
Good compatibility with HPE hardware.
I
Isabelle Moreau
4
Satisfied with quality.
Questions & Answers
What are the key specifications of the HPE 8GB 1Rx8 PC4-2666V-R Smart Kit (SKU 838079-B21)?
The HPE 838079-B21 Smart Kit is an 8GB DDR4-2666MHz (PC4-2666V) Registered ECC memory module with a 1Rx8 rank configuration designed for HPE ProLiant servers.
Which HPE server models are compatible with the 838079-B21 Smart Kit?
The HPE 8GB DDR4 PC4-2666V-R Smart Kit is validated for HPE ProLiant Gen9 and Gen10 servers, including DL, ML, and BL series models supporting DDR4-2666 RDIMMs.
What does 1Rx8 mean in the HPE 838079-B21 memory module?
1Rx8 indicates a single-rank module with eight data bits per chip, optimizing density and compatibility in HPE server memory configurations.
Does the HPE 838079-B21 Smart Kit support error-correcting code (ECC)?
Yes, the HPE 8GB PC4-2666V-R Smart Kit includes ECC functionality to detect and correct single-bit memory errors for server reliability.