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Daniel Whitmore
5
Memory upgrade installed smoothly and improved overall system stability.
MEM870-28U36F
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Cisco Memory MEM870-28U36F
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MEM870-28U36F
- Description:
- Cisco Memory MEM870-28U36F
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MEM870-28U36F Overview
MEM870-28U36F is a high-performance DDR4 UDIMM memory module featuring a speed of 3200 MHz, CAS latency of CL16, and an operating voltage of 1.35V. This module comes in a 16 GB capacity with a dual channel kit configuration, is non‑ECC and unbuffered, and is engineered for compatibility with desktop, laptop, and server environments.
Designed with a robust heatspreader for optimal thermal management, MEM870-28U36F is ideally suited for gaming and workstation builds that demand reliable, high-speed performance under intensive workloads. Its precise engineering and support for Intel XMP 2.0 ensure smooth performance and easy system overclocking, making it an excellent choice for both performance enthusiasts and professionals.
MEM870-28U36F price is is available on request. Get immediate quote.
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MEM870-28U36F Specifications
- Height
- 1.2 inches
- Width
- 5.3 inches
- Weight
- 0.2 lbs
- Depth
- 0.5 inches
- Operating Temperature
- N/A
- Product Type
- Computer Memory
- 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
- AMD Platform Support
- AMD Ryzen 5000
- Use Case
- Gaming
- Intel Platform Support
- Intel 10th Gen
- Product Name
- MEM870-28U36F
MEM870-28U36F Use Case
Enterprise Virtualization Density with Cisco MEM870-28U36F
In a global enterprise data center running Cisco UCS B-Series blade servers, the MEM870-28U36F module is deployed to support 500+ virtual machines per chassis. By delivering 36 GB of high-speed DDR4 memory per slot, it sustains heavy consolidation workloads and minimizes memory bottlenecks during peak hours. Outcome: 30% higher VM density, sub-microsecond memory latency, and a 25% reduction in overall virtualization TCO.
Carrier-Grade NFV Acceleration with Cisco MEM870-28U36F
A Tier-1 telecom operator uses Cisco UCS C-Series racks to host virtual routers and firewalls for network function virtualization. Integrating MEM870-28U36F modules ensures line-rate packet processing by providing consistent throughput at sub-2 ns access times. Outcome: 99.999% service availability, 40% lower packet jitter, and accelerated deployment of new virtual network services.
Real-Time Analytics and In-Memory Databases on Cisco MEM870-28U36F
A financial trading firm powers its real-time risk-management platform on Cisco UCS X-Series servers populated with MEM870-28U36F memory. The high-capacity, low-latency modules enable in-memory caching of market data feeds, supporting millions of transactions per second. Outcome: sub-millisecond query response, 50% faster decision cycles, and enhanced ROI on high-performance compute investments.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| MEM870-28U36F |  MEM870-64D |  MEM870-24U36F |  MEM870-128U256D |  MEM8XX-512U768D | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 16 GB | 64 GB | 32 GB | 256 GB | 512 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server | Desktop / Server |
| Compatible Systems | Workstation | Workstation | Rack Server / Tower Server / Blade Server / Workstation / N/A | Workstation | Rack Server / Tower Server |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Dual Channel | Dual Channel | Dual Channel | Dual Channel | Quad 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 | High Reliability |
| 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 | Yes |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Registered |
| XMP Support | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 3.0 |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 10th Gen | Intel 12th Gen | N/A | Intel 12th Gen | Intel Xeon Scalable |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD EPYC |
| Use Case | Gaming | Gaming / Workstation | Gaming | Workstation | Server |
| Product Name | MEM870-28U36F | MEM870-64D DDR4 64GB Dual Channel Memory Kit | MEM870-24U36F DDR4 Dual Channel UDIMM Memory Kit | MEM870-128U256D | MEM8XX-512U768D |
| Height | 1.2 inches | N/A | 1.35 inches | 1.2 inches | 1.4 inches |
| Width | 5.3 inches | N/A | 5.31 inches | 5.3 inches | 5.3 inches |
| Depth | 0.5 inches | N/A | 0.49 inches | 0.5 inches | 0.4 inches |
| Weight | 0.2 lbs | N/A | 0.24 lbs | 0.4 lbs | 0.75 lbs |
Reviews & Ratings
O
Oliver Grant
4
Cisco memory worked flawlessly with no compatibility issues.
M
Matthew Cole
5
Performance became more consistent after installation.
R
Ryan Fletcher
4
Reliable memory module with expected Cisco quality.
J
James Holloway
4
Good upgrade for maintaining stable operations.
Questions & Answers
What is the capacity and type of Cisco Memory MEM870-28U36F?
The Cisco MEM870-28U36F is a 2 GB DDR3 1066 MHz PC3-8500R ECC registered DIMM module designed for enterprise-class Cisco servers.
Which Cisco servers are compatible with MEM870-28U36F?
MEM870-28U36F is compatible with Cisco UCS B-Series and C-Series rack servers, as well as UCS 5100, 5200, 5500 and 6200 chassis platforms when running the recommended firmware levels.
What are the key features and benefits of Cisco MEM870-28U36F?
This module delivers ECC error correction, registered buffering for signal integrity, 1066 MHz bandwidth for high-performance workloads, and proven interoperability within Cisco UCS architectures.
How does ECC registered memory improve system reliability?
ECC registered memory detects and corrects single-bit errors in real time and buffers address/control signals to reduce electrical load, minimizing system crashes and ensuring data integrity in critical applications.
What are the operating frequency and latency specifications?
The MEM870-28U36F operates at 1066 MHz with a CAS latency of 9 and is optimized for low-latency read/write operations in virtualization and database environments.
Can I install MEM870-28U36F while the server is running (hot-swap)?
No, DIMM modules are not hot-swappable; you must power down the server and discharge residual power before insertion or removal to avoid hardware damage.
How do I properly install the Cisco MEM870-28U36F module?
Align the module notch with the DIMM slot key, press down until the ejector tabs click into place, and follow Cisco’s UCS installation guidelines for correct slot population and channel balancing.
Does Cisco MEM870-28U36F include a warranty?
Yes, it is covered by the Cisco Limited Lifetime Warranty, which includes advanced replacement and return-for-repair services in accordance with Cisco’s warranty terms.
How can I verify the authenticity of my MEM870-28U36F module?
Check for the Cisco holographic part label, match the printed part number and serial number with your purchase invoice, and validate through Cisco’s online warranty checker or TAC support.
What are the power consumption and thermal characteristics?
This registered DIMM operates at 1.5 V typical, draws approximately 3 W under full load, and is rated for an ambient temperature range of 0 °C to 85 °C.
Can I mix MEM870-28U36F modules with other memory types?
For optimal performance and stability, use identical Cisco ECC registered modules of the same speed and capacity; mixing with non-registered or non-ECC DIMMs is not supported.
What is the maximum number of MEM870-28U36F modules supported per server?
Server support varies by model: typical UCS B-Series blades support up to eight DIMMs per CPU socket; check your server’s hardware guide for maximum population limits.
Does installing MEM870-28U36F require a BIOS or firmware update?
Ensure your Cisco UCS firmware is updated to the minimum recommended release for DDR3 support; no additional firmware is required specifically for the DIMM module.
Where can I purchase genuine Cisco MEM870-28U36F modules?
Purchase through authorized Cisco channel partners, Cisco’s online store or accredited resellers to guarantee genuine product, full warranty coverage and technical support.
Are software or firmware updates required after installing MEM870-28U36F?
No specific updates are required post-installation, but maintaining up-to-date Cisco UCS Manager and BIOS releases ensures full compatibility and performance optimization.
What technical support options are available for MEM870-28U36F?
Cisco TAC offers 24/7 hardware troubleshooting, online knowledge base articles, configuration guides and advanced replacement services under your existing support contract.