United States
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
815101-B21
Original Stock
Ready to Ship
HPE 64GB 4Rx4 PC4-2666V-L Smart Kit
FEATURED DEAL
Featured Deal
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:
815101-B21
- Description:
- HPE 64GB 4Rx4 PC4-2666V-L 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.
- Warranty:
- 3
- List Price:
$3,941.00
- Price:
$599.0084.8% off
Quantity:
1
100% Genuine Guaranteed
Global Delivery
Business Terms / PO Accepted
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
4Global Offices
25+Distribution Points
100+Countries Served
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Verified By Federal Bodies
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
- RegisteredCAGE CODE: 97UU8
- VerifiedD-U-N-S® #: 118879150
- ListedUEI: VFVEQ7Q9LH31
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
10+Years Operating
20,000+Clients Served
150K+SKUs Available
815101-B21 Overview
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.
815101-B21 Specifications
- Product Type
- Computer Memory
- Brand
- Hpe
- Memory Type
- DDR4
- Capacity
- 16 GB
- Compatible Platforms
- Desktop / Laptop / Server
- Compatible Systems
- Workstation
- Form Factor
- UDIMM
- Kit Configuration
- Dual 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 / Workstation
- Product Name
- 815101-B21 DDR4 16GB Dual Channel Memory Module
- Height
- 1.18 inches
- Width
- 5.3 inches
- Depth
- 0.5 inches
- Weight
- 0.3 lbs
815101-B21 Use Case
Virtualization Density Optimization on HPE ProLiant DL380 with 815101-B21 Smart Kit
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.
Real-Time In-Memory Analytics for Retail with 815101-B21 HPE Smart Kit
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.
Database Consolidation and Cloud Efficiency Using HPE 815101-B21 Smart Kit
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%.
Speak To a Hardware Specialist in Your Region
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
Product Comparison Table 
| 815101-B21 |  815098-B21 |  P00423-B21 |  838081-B21 |  P00930-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 | 16 GB | 8 GB | 16 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop | Desktop | Desktop | Desktop |
| 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 |
| 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 |
Compliance & Coverage
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
M
Martin Keane
4
Very high capacity memory with solid performance.
Z
Zainab Ashfaq
4
Reliable for enterprise servers.
N
Nikolai Petrov
5
No stability issues.
F
Fahim Khan
4
Works as intended.
J
Julia Novak
4
Strong recommendation.
Questions & Answers
What is the memory capacity and configuration of the HPE 815101-B21 Smart Kit?
The HPE 815101-B21 Smart Kit provides a single 64 GB DDR4 module with a quad-rank (4Rx4) configuration.
What is the memory speed and voltage of the HPE 64 GB Smart Kit?
This module is rated PC4-2666V, delivering 2666 MT/s performance at 1.2 V low-voltage operation.
Is the HPE 815101-B21 memory HPE SmartMemory certified?
Yes, this kit is HPE SmartMemory validated and tested for compatibility and performance in HPE ProLiant servers.
Which HPE server models support the 815101-B21 Smart Kit?
It is supported in HPE ProLiant Gen10/Gen10 Plus servers, HPE Apollo systems, and select HPE Synergy frames.
Does the HPE 64 GB module support ECC error correction?
Yes, the 4Rx4 module features full ECC to detect and correct single-bit errors for improved data integrity.
Can the 815101-B21 operate at lower speeds if mixed with slower DIMMs?
Yes, it will downclock to match slower modules, operating at speeds as low as 2133 MT/s when required.
Is it recommended to mix this Smart Kit with third-party memory?
For optimal reliability and support, HPE recommends using only HPE SmartMemory modules in your system.
Does the HPE Smart Kit include a heat spreader?
Yes, each module comes with an integrated aluminum heat spreader for enhanced thermal performance.
How do I install the HPE 64 GB 4Rx4 PC4-2666V-L module?
Power down the server, open the DIMM slot latches, insert the module vertically until it clicks, and close the latches.
What warranty covers the HPE 815101-B21 Smart Kit?
It is backed by HPE’s limited lifetime warranty when installed in a compatible HPE server.
How does the 64 GB Smart Kit improve virtualization performance?
With high density and 2666 MT/s speed, it maximizes memory bandwidth and capacity for virtual machine density.
What power savings does the low-voltage module offer?
Operating at 1.2 V, it reduces power draw by up to 20% compared to standard 1.35 V DDR4 modules.
Can I expand my server’s memory by adding multiple 815101-B21 modules?
Yes, you can populate additional DIMM slots with more 815101-B21 modules to scale capacity further.
How can I verify the HPE Smart Kit is recognized by my server?
Use the server BIOS or HPE iLO memory report to confirm the 64 GB module is detected at 2666 MT/s.
Does this memory support HPE iLO monitoring features?
Yes, it integrates with HPE iLO and HPE InfoSight for real-time monitoring and predictive analytics.
Where can I purchase the HPE 815101-B21 Smart Kit?
It is available through authorized HPE resellers or directly from the HPE Parts Store online.