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838083-B21
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HPE 32GB 2Rx4 PC4-2666V-R Smart Kit
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
838083-B21
- Description:
- HPE 32GB 2Rx4 PC4-2666V-R Smart Kit
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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838083-B21 Overview
838083-B21 is a DDR4 memory module packaged in a UDIMM form factor and engineered for desktop systems. It operates at a speed of 3200 MHz with a CAS latency of CL16, runs at 1.35V, and is available as a 16 GB module in a Single Channel kit configuration. This module is non-ECC and unbuffered, and it comes equipped with an integrated heatspreader.
838083-B21 is purpose-built for high-performance gaming, workstation, and server builds, ensuring reliable compatibility with modern desktop platforms. Enhancing its appeal further, it supports Intel XMP 2.0 for easy overclocking and delivers clean aesthetics by foregoing RGB lighting.
838083-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 838083-B21 for additional pricing. Browse the full Hpe Memory & Ram series or explore all Hpe products.
838083-B21 Specifications
- Product Type
- Computer Memory
- Brand
- Hpe
- Memory Type
- DDR4
- Capacity
- 16 GB
- Compatible Platforms
- Desktop
- Compatible Systems
- Workstation
- Form Factor
- UDIMM
- Kit Configuration
- Single Channel
- Speed
- 3200 MHz
- 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
- 838083-B21 DDR4 16GB UDIMM
- Height
- 1.4 inches
- Width
- 5.3 inches
- Depth
- 0.2 inches
- Weight
- 0.3 lbs
838083-B21 Use Case
Virtual Desktop Infrastructure Optimization with HPE ProLiant and 838083-B21 32GB Smart Kits
A mid-sized financial services firm upgrades its HPE ProLiant DL380 Gen10 servers with HPE Smart Kit 838083-B21 (32GB 2Rx4 PC4-2666V-R ECC Registered DIMMs) to power a Citrix XenDesktop VDI environment. The memory boost drives a 30% increase in concurrent VM density, cuts user login latency by 40%, and lowers total cost of ownership via improved performance-per-watt.
In-Memory Analytics Acceleration on SAP HANA with HPE ProLiant and 838083-B21 Modules
A global retailer scales its SAP HANA in-memory data warehouse by installing HPE Smart Kit 838083-B21 (32GB DDR4-2666V-R ECC RDIMMs) in HPE ProLiant DL360 Gen10 servers. This upgrade delivers 50% faster complex query performance, real-time inventory insights, and 99.9% SLA compliance—empowering data-driven decisions and boosting customer satisfaction.
High-Performance Computing Throughput & Reliability on HPE Apollo with 838083-B21 Memory
An engineering research lab running CFD and FEA workloads on HPE Apollo 2000 series servers integrates HPE Smart Kit 838083-B21 (32GB 2Rx4 PC4-2666V-R ECC Registered DIMMs) to maximize node memory capacity. The result is 25% higher simulation throughput, robust ECC error protection, and consistent 24/7 reliability for mission-critical R&D compute tasks.
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Product Comparison Table 
| 838083-B21 |  845264-B21 |  838079-B21 |  876181-B21 |  862976-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 | 8 GB | 16 GB |
| Compatible Platforms | Desktop | Desktop | Desktop | Laptop | Desktop |
| Form Factor | UDIMM | UDIMM | UDIMM | SODIMM | UDIMM |
| Kit Configuration | Single Channel | Dual Channel | Dual Channel | Single Channel | Dual Channel |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz | 2666 MHz | 3200 MHz |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL19 | CL16 |
| Voltage | 1.35V | 1.35V | 1.35V | 1.2V | 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 | No | Intel XMP 2.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes | No | Yes |
| Use Case | Gaming | Gaming | Workstation | General Use | Gaming |
| Product Name | 838083-B21 DDR4 16GB UDIMM | 845264-B21 DDR4 16GB Dual Channel Memory Module | 838079-B21 High Performance DDR4 Memory Module | 876181-B21 DDR4 SODIMM Memory Module | 862976-B21 16GB DDR4 UDIMM Memory Kit |
| Height | 1.4 inches | 1.4 inches | 1.2 inches | 0.19 inches | 1.2 inches |
| Width | 5.3 inches | 5.3 inches | 5.3 inches | 2.66 inches | 5.3 inches |
| Depth | 0.2 inches | 0.5 inches | 0.5 inches | 1.18 inches | 0.5 inches |
| Weight | 0.3 lbs | 0.35 lbs | 0.3 lbs | 0.1 lbs | 0.2 lbs |
Compliance & Warranty
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
R
Ross McIntyre
4
Good capacity memory with strong stability.
A
Alina Javed
4
Improved overall server responsiveness.
N
Nikolay Ivanov
5
No errors encountered.
H
Hammad Qureshi
4
Solid enterprise RAM.
C
Caroline Hughes
4
Works as advertised.
Questions & Answers
What is the HPE 32GB 2Rx4 PC4-2666V-R Smart Kit (SKU: 838083-B21)?
It is a 32 GB DDR4 registered DIMM (RDIMM) module running at 2,666 MT/s with ECC for HPE ProLiant servers.
Which HPE servers support the 838083-B21 Smart Kit?
This module is certified for HPE ProLiant Gen10 and Gen11 DL, ML and XL-series servers that accept DDR4 RDIMMs.
What memory type and form factor does this kit use?
The 838083-B21 is a 288-pin DDR4 RDIMM optimized for server motherboards requiring registered memory.
What does PC4-2666V-R mean for this memory kit?
PC4-2666V indicates DDR4 at 2,666 MT/s, and the “R” denotes registered (RDIMM) with ECC support.
Is the HPE 32GB Smart Kit equipped with ECC?
Yes; it features error-correcting code (ECC) to detect and correct single‐bit memory errors.
How many ranks and data width does this module have?
The kit is dual-rank (2Rx4) with a x4 data organization for balanced performance and capacity.
Can I mix this RDIMM with UDIMM or LRDIMM modules?
No; mixing RDIMMs with UDIMMs or LRDIMMs is not supported and may cause system instability.
What warranty does HPE provide for SKU 838083-B21?
HPE offers a limited lifetime warranty on genuine HPE memory modules when installed in an HPE server.
Does the 838083-B21 Smart Kit support HPE SmartMemory features?
Yes; it is fully validated as HPE SmartMemory for enhanced system tuning and reliability.
What are the benefits of using an HPE Smart Kit versus third-party memory?
HPE Smart Kits deliver optimized performance, proactive error detection, and full server integration.
How do I install the HPE 32GB 2Rx4 PC4-2666V-R Smart Kit?
Power off the server, install the RDIMM into the correct DIMM slot per QuickSpecs, then reboot.
Can I use this module in virtualization environments?
Yes; it’s certified for HPE servers running VMware ESXi, Microsoft Hyper-V and other hypervisors.
What impact does this memory kit have on server performance?
It increases available system memory bandwidth and capacity, improving application responsiveness.
What is the operating voltage for the 838083-B21 module?
This RDIMM operates at 1.2 V, meeting DDR4 industry standard specifications.
How many modules are included in one HPE 838083-B21 Smart Kit?
Each SKU 838083-B21 Smart Kit ships with a single 32 GB RDIMM module.
Where can I find technical documentation for this memory kit?
Refer to the HPE ProLiant server QuickSpecs and product bulletin on HPE’s support website.