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Well balanced memory module for enterprise use.
838089-B21
HPE 16GB 2Rx8 PC4-2666V-R Smart Kit
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838089-B21
- Description:
- HPE 16GB 2Rx8 PC4-2666V-R Smart Kit
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838089-B21 Overview
838089-B21 is a high-performance DDR4 memory module in a UDIMM form factor designed for desktop builds. It runs at 3200 MHz with a CAS latency of CL16 and a voltage of 1.35V, providing a single-channel 16 GB kit without ECC support and unbuffered operation. The module comes equipped with an integrated heatspreader and is optimized for gaming and workstation performance.
838089-B21 is engineered for modern desktop compatibility, supporting both Intel 12th Gen and AMD Ryzen 5000 platforms. Its design emphasizes reliability and thermal efficiency while delivering the speed and low latency required for gaming and general workstation use, all without RGB lighting distractions.
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838089-B21 Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 16 GB
- Compatible Platforms
- Desktop
- Compatible Systems
- N/A
- Form Factor
- UDIMM
- Kit Configuration
- Single 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
- Gaming
- Product Name
- 838089-B21 16GB DDR4 Desktop Memory Module
- Height
- 1.2 inches
- Width
- 5.3 inches
- Depth
- 0.2 inches
- Weight
- 0.15 lbs
838089-B21 Use Case
Virtualization Performance Optimization in Enterprise Data Centers
In a global enterprise data center running HPE ProLiant DL380 Gen10 servers, IT architects install the HPE 16GB 2Rx8 PC4-2666V-R Smart Kit (838089-B21) to double VM density and reduce latency. This HPE-certified ECC RDIMM delivers 2666MT/s throughput and multi-rank reliability, enabling 20% faster boot times, 30% higher VM consolidation ratios, and enterprise-grade uptime for mission-critical workloads.
High-Speed In-Memory Database Acceleration for Financial Analytics
A financial services firm deploying SAP HANA on HPE ProLiant DL380 Gen10 leverages the 838089-B21 HPE 16GB 2Rx8 PC4-2666V-R Smart Kit to scale in-memory data processing. The kit’s dual-rank ECC design and 2666MHz bandwidth deliver sub-millisecond query response, enabling real-time risk analysis and 40% faster report generation, while maintaining data integrity under 24x7 trading conditions.
High-Performance Computing Cluster Memory Scaling for AI Workloads
An AI research lab expands its HPE Apollo 6500 Gen10 cluster with the HPE 16GB 2Rx8 PC4-2666V-R Smart Kit (838089-B21) to support large-scale deep learning training. The 2666MT/s RDIMM modules optimize GPU-CPU data transfer, reducing epoch time by 25% and increasing parameter tuning throughput by 35%, ensuring scalable, reliable memory performance for parallel AI computations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 838089-B21 |  P00930-B21 |  P00926-B21 |  728629-B21 |  P10729-B21 | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Compatible Platforms | Desktop | Desktop | Desktop | Desktop | Desktop |
| Compatible Systems | N/A | Workstation | Workstation | N/A | N/A |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Dual Channel | Dual Channel | Dual Channel | Dual Channel |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | 0 to 85°C | 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 | Yes | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 12th Gen | Intel 10th Gen | Intel 12th Gen | Intel 12th Gen | Intel 10th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming / Workstation |
| Product Name | 838089-B21 16GB DDR4 Desktop Memory Module | P00930-B21 High-Performance DDR4 16GB Dual Channel Memory Kit | P00926-B21 16GB Dual Channel DDR4-3200 Memory Kit | 728629-B21 DDR4 High Performance Memory | P10729-B21 DDR4 Desktop Memory Module |
| Height | 1.2 inches | 1.4 inches | 1.25 inches | 1.5 inches | 1.3 inches |
| Width | 5.3 inches | 5.3 inches | 5.25 inches | 5.3 inches | 5.3 inches |
| Depth | 0.2 inches | 0.5 inches | 0.14 inches | 0.5 inches | 0.2 inches |
| Weight | 0.15 lbs | 0.35 lbs | 0.22 lbs | 0.3 lbs | 0.35 lbs |
Reviews & Ratings
Z
Zoya Hassan
4
System stability improved after upgrade.
R
Roman Kaczmarek
5
Consistent speeds.
Y
Yasir Mehmood
3
Good quality RAM.
E
Elena Marino
4
Reliable choice.
Questions & Answers
What is the HPE 16GB 2Rx8 PC4-2666V-R Smart Kit (SKU: 838089-B21)?
The HPE 16GB 2Rx8 PC4-2666V-R Smart Kit (SKU: 838089-B21) is a 16GB DDR4 registered ECC memory module running at 2666 MT/s with a dual-rank (2Rx8) configuration for HPE ProLiant servers.
What are the key technical specifications of the HPE 838089-B21 Smart Kit?
It features 16 GB capacity, DDR4-2666 MT/s speed (PC4-2666V-R), dual-rank 2Rx8 architecture, ECC support, CAS latency 19, and operates at 1.2 V.
Which HPE servers support the 16GB PC4-2666V-R Smart Kit (838089-B21)?
It is validated for HPE ProLiant Gen10, Gen9 and select Gen8 servers that support DDR4 PC4-2666V-R registered memory.
Does the HPE 16GB Smart Kit support ECC error correction?
Yes, the module includes ECC (Error-Correcting Code) functionality to detect and correct single-bit memory errors in server environments.