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815101-B21
HPE 64GB 4Rx4 PC4-2666V-L Smart Kit
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815101-B21 is a high-performance DDR4 memory module designed in a UDIMM form factor. It operates at 3200 MHz with a CAS latency of CL16 and a voltage of 1.35V, featuring a 16 GB capacity delivered in a dual channel kit configuration that is non-ECC and unbuffered, ideal for desktop systems.
This memory module comes with an integrated heatspreader for efficient thermal management and supports Intel XMP 2.0 for easy performance tuning. Its compatibility with both desktop and laptop platforms, along with support for Intel 12th Gen and AMD Ryzen 5000 environments, makes it an excellent choice for gaming and workstation builds.
815101-B21 price is $599.00, a 84.8% saving from the Hpe list price of $3,941.00. 815101-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 815101-B21 for additional pricing. Browse the full Hpe Memory & Ram series or explore all Hpe products.
A financial services firm running VMware vSphere on HPE ProLiant DL380 servers installs the 815101-B21 HPE 64GB 4Rx4 PC4-2666V-L Smart Kit to eliminate memory bottlenecks during peak trading hours, resulting in a 30% increase in VM consolidation density and 25% faster transaction processing.
A global retail chain deploying SAP HANA on HPE ProLiant DL580 servers leverages the 815101-B21 Smart Kit to expand in-memory capacity, reducing query latency by 40% and accelerating real-time sales and inventory analytics.
A healthcare cloud provider consolidates multiple Microsoft SQL Server instances on an HPE Apollo server with the 815101-B21 HPE 64GB 4Rx4 PC4-2666V-L Smart Kit, handling 1,000+ concurrent connections with sub-10ms response times and cutting infrastructure costs by 20%.
To get the detailed certification, please go to the Compliance Center.
| 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 | 8 GB | 16 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop | Desktop | Desktop | Desktop |
| Compatible Systems | Workstation | Workstation | Workstation | N/A | Workstation |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Dual Channel | Dual 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 | Yes | No | Yes |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 12th Gen | Intel 12th Gen | Intel 10th Gen | Intel 10th Gen | Intel 10th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 3000 | AMD Ryzen 5000 |
| Use Case | Gaming / Workstation | Gaming | Gaming | Gaming | Gaming |
| Product Name | 815101-B21 DDR4 16GB Dual Channel Memory Module | 815098-B21 Performance DDR4 UDIMM Memory Module | P00423-B21 High Performance DDR4 Memory Module | 838081-B21 DDR4 8GB UDIMM 3200MHz CL16 Memory Module | P00930-B21 High-Performance DDR4 16GB Dual Channel Memory Kit |
| Height | 1.18 inches | 1.3 inches | 1.2 inches | 1.2 inches | 1.4 inches |
| Width | 5.3 inches | 5.3 inches | 5.3 inches | 5.3 inches | 5.3 inches |
| Depth | 0.5 inches | 0.2 inches | 0.5 inches | 0.5 inches | 0.5 inches |
| Weight | 0.3 lbs | 0.3 lbs | 0.3 lbs | 0.3 lbs | 0.35 lbs |
Very high capacity memory with solid performance.
Reliable for enterprise servers.
No stability issues.
Works as intended.
Strong recommendation.
The HPE 815101-B21 Smart Kit provides a single 64 GB DDR4 module with a quad-rank (4Rx4) configuration.
This module is rated PC4-2666V, delivering 2666 MT/s performance at 1.2 V low-voltage operation.
Yes, this kit is HPE SmartMemory validated and tested for compatibility and performance in HPE ProLiant servers.
It is supported in HPE ProLiant Gen10/Gen10 Plus servers, HPE Apollo systems, and select HPE Synergy frames.