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838079-B21
HPE 8GB 1Rx8 PC4-2666V-R Smart Kit
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
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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.
838079-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 838079-B21 for additional pricing. Browse the full Hpe Memory & Ram series or explore all Hpe products.
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.
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.
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.
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| 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 |
| 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 |
| 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 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Affordable memory upgrade with solid performance.
Works smoothly in our server fleet.
Stable and efficient.
Good compatibility with HPE hardware.
Satisfied with quality.
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.
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.
1Rx8 indicates a single-rank module with eight data bits per chip, optimizing density and compatibility in HPE server memory configurations.
Yes, the HPE 8GB PC4-2666V-R Smart Kit includes ECC functionality to detect and correct single-bit memory errors for server reliability.
The HPE 8GB PC4-2666V-R Smart Kit is a Registered DIMM (RDIMM), offering improved signal integrity and scalability over unbuffered modules.
The HPE 8GB PC4-2666V-R Smart Kit operates at 1.2V, ensuring efficient power consumption in DDR4 server environments.
HPE SmartMemory includes firmware-validated memory with automatic tuning, health monitoring, and enhanced performance tailored for HPE ProLiant servers.
Mixing HPE SmartMemory with non-HPE modules is not recommended, as it may disable HPE-specific features and affect system stability.
For optimal dual-channel performance, install two identical HPE 8GB PC4-2666V-R Smart Kit modules in matched DIMM slots.
To install, power off the server, open the chassis, align the RDIMM notch with the socket, press down until it clicks, then close the chassis and power on.
Yes, when paired correctly in supported ProLiant servers, HPE 8GB PC4-2666V-R RDIMMs can be configured for memory mirroring for advanced fault tolerance.
HPE provides a limited lifetime warranty for the 8GB PC4-2666V-R Smart Kit against defects in materials and workmanship.
Check for HPE part number 838079-B21, inspect the module label, and use HPE’s Online Warranty and Support Portal for serial number validation.
The HPE 838079-B21 module delivers a data transfer rate of 2666 MT/s (million transfers per second) for high-throughput server applications.
HPE recommends matching all DDR4 modules to the same speed; mixing speeds may lower performance to the slowest DIMM in the system.
Authorized HPE resellers, HPE’s official online store, and certified channel partners offer the HPE 838079-B21 Smart Kit with genuine parts guarantee.