United States$5,000,000+
Inventory Delivered By
E
Edward Collins
5
Solid spare memory module with dependable performance.
728629-B21
HP 32GB (1x32GB) Dual Rank x4 DDR4-2133 CAS-15-15-15 Registe...
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Name:
728629-B21
- Description:
- HP 32GB (1x32GB) Dual Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$1,534.67
- Price:
$475.7569% off
Quantity:
1
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728629-B21 Overview
728629-B21 is a DDR4 UDIMM memory module engineered for high-performance desktop applications. It features a 16 GB capacity per module, operates at 3200 MHz with a CAS latency of CL16 and a voltage of 1.35V, and is configured in a dual channel kit setup, offering unbuffered, non-ECC support with an integrated heatspreader for effective thermal management—all optimized for gaming and workstation builds.
This memory module does not include RGB lighting, ensuring a streamlined design for consumers who prioritize performance and reliability over aesthetic enhancements. Its compatibility with modern desktop systems, along with support for Intel 12th Gen and AMD Ryzen 5000 platforms and Intel XMP 2.0 certification, makes it an ideal choice for enthusiasts and professionals alike.
728629-B21 price is $475.75, a 69% saving from the Hpe list price of $1,534.67. 728629-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 728629-B21 for additional pricing. Browse the full Hpe Memory & Ram series or explore all Hpe products.
728629-B21 Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 16 GB
- Compatible Platforms
- Desktop
- Compatible Systems
- N/A
- 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
- Gaming
- Product Name
- 728629-B21 DDR4 High Performance Memory
- Height
- 1.5 inches
- Width
- 5.3 inches
- Depth
- 0.5 inches
- Weight
- 0.3 lbs
728629-B21 Use Case
High-Density Virtualization on HPE ProLiant Gen9 Servers
In a financial services data center running dozens of VMware vSphere instances on HPE ProLiant DL380 Gen9 servers, IT architects install the 728629-B21-HP 32GB (1x32GB) Dual Rank x4 DDR4-2133 CAS-15 Registered Memory Kit to maximize VM density per host. The CAS-15 latency and ECC registered design ensure error-free operation under peak loads, boosting consolidation ratios by up to 30% and reducing capital and operating expenses. Outcome: Higher VM counts, predictable performance, and simplified capacity planning for growth without compromise.
In-Memory Database Acceleration for Real-Time Analytics
A retail chain deploying SAP HANA for real-time inventory and sales analytics leverages the 728629-B21-HP 32GB DDR4-2133 Registered Memory Kit across its HPE Superdome Flex servers. With Dual Rank x4 modules and tight CAS-15 timings, the platform delivers sub-millisecond query response and up to 20% faster data ingestion. Outcome: Immediate business insights, improved stock replenishment accuracy, and enhanced customer satisfaction through real-time reporting.
AI/ML Model Training on HPE Apollo GPU Accelerators
A machine learning team uses HPE Apollo 6500 Gen10 servers with NVIDIA GPUs for deep learning training and inference at scale. By equipping each node with the 728629-B21-HP 32GB Registered DDR4-2133 CAS-15 Memory Kit, they achieve balanced CPU-to-memory throughput, reducing GPU starvation and shortening model training times by up to 25%. Outcome: Faster time-to-market for AI models, reliable large-batch training, and consistent performance under sustained workloads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 728629-B21 |  862974-B21 |  838081-B21 |  815098-B21 |  805349-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 | 8 GB | 16 GB | 16 GB |
| Compatible Platforms | Desktop | Desktop / Laptop / Server | Desktop | Desktop | Desktop |
| Compatible Systems | N/A | Workstation | N/A | Workstation | Workstation |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Dual Channel | Dual Channel | Single Channel | Dual 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 12th Gen | Intel 10th Gen | Intel 12th Gen | Intel 10th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 3000 | AMD Ryzen 5000 | AMD Ryzen 3000 |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming |
| Product Name | 728629-B21 DDR4 High Performance Memory | 862974-B21 Memory Module | 838081-B21 DDR4 8GB UDIMM 3200MHz CL16 Memory Module | 815098-B21 Performance DDR4 UDIMM Memory Module | 805349-B21 |
| Height | 1.5 inches | 1.2 inches | 1.2 inches | 1.3 inches | 1.2 inches |
| Width | 5.3 inches | 5.3 inches | 5.3 inches | 5.3 inches | 5.3 inches |
| Depth | 0.5 inches | 0.4 inches | 0.5 inches | 0.2 inches | 0.5 inches |
| Weight | 0.3 lbs | 0.26 lbs | 0.3 lbs | 0.3 lbs | 0.35 lbs |
Reviews & Ratings
S
Sidra Bano
4
Compatible and stable.
A
Artem Volkov
5
Good quality RAM.
N
Nouman Shah
3
Works fine in enterprise setup.
L
Linda Matthews
4
No complaints.
Questions & Answers
What is the capacity of the HP 728629-B21 memory kit?
The HP 728629-B21 memory kit delivers a total of 32 GB capacity via a single 32 GB DDR4 module.
What type of memory is the HP 728629-B21 kit?
It is DDR4-2133 Registered ECC memory in a dual-rank x4 configuration.
What is the speed of the HP 728629-B21 memory kit?
It operates at 2133 MT/s (DDR4-2133), offering PC4-17000 bandwidth.
What are the latency timings for this memory?
The module features CAS latency timings of 15-15-15 at 1.2 V.