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838089-B21
HPE 16GB 2Rx8 PC4-2666V-R Smart Kit
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Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
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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.
838089-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 838089-B21 for additional pricing. Browse the full Hpe Memory & Ram series or explore all Hpe products.
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.
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.
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.
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| 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 |
| 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 |
| 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 |
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.
Well balanced memory module for enterprise use.
System stability improved after upgrade.
Consistent speeds.
Good quality RAM.
Reliable choice.
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.
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.
It is validated for HPE ProLiant Gen10, Gen9 and select Gen8 servers that support DDR4 PC4-2666V-R registered memory.
Yes, the module includes ECC (Error-Correcting Code) functionality to detect and correct single-bit memory errors in server environments.
Power off the server, open the chassis, insert the DIMM into the correct slot until the latches click, then power on and confirm detection in BIOS or HPE iLO.
Mixing different speeds or module types is not recommended; for optimal stability and performance, install identical HPE PC4-2666V-R modules in all slots.
PC4-2666V denotes DDR4 memory rated at 2666 MT/s, and the R suffix indicates registered (buffered) operation for server-grade reliability.
2Rx8 indicates a dual-rank memory layout with eight banks per rank, balancing capacity and performance in server workloads.
The module operates at the standard DDR4 voltage of 1.2 V.
Yes, it is fully validated for Intel Xeon Scalable and Intel Xeon E5/E7 series processors in supported HPE platforms.
The module features a CAS latency of 19 (CL19) when running at 2666 MT/s.
Each Smart Kit (SKU: 838089-B21) contains a single 16 GB registered memory module.
Yes, installing modules in matched pairs enables optimal channel interleaving and maximizes memory throughput.
HPE provides a limited lifetime warranty covering defects in materials and workmanship for this memory module.
You can buy the 838089-B21 Smart Kit through authorized HPE resellers and the official HPE online store.
Open the server’s BIOS/UEFI memory configuration menu or log into HPE Integrated Lights-Out (iLO) to confirm the module’s capacity, speed and status.