United States$5,000,000+
Inventory Delivered By
N
Neil Anderson
5
Memory upgrade improved throughput and system stability.
MEM870-128U192D
Original Stock
Ready to Ship
Cisco Memory MEM870-128U192D
FEATURED DEAL
Name:
MEM870-128U192D
- Description:
- Cisco Memory MEM870-128U192D
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- Condition:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
MEM870-128U192D Overview
MEM870-128U192D is a DDR4 RDIMM memory module engineered for high-performance server environments. It operates at 3200 MHz with a CAS latency of CL16 and a voltage of 1.2V, providing a 128 GB module in a quad channel kit configuration that supports ECC and is registered for enhanced data integrity and stability.
MEM870-128U192D is designed for rack server applications within desktop and server platforms and features a heatspreader for superior thermal management. With no RGB lighting, this module is optimized for workstation and server builds where reliability and high reliability ratings are critical.
MEM870-128U192D price is is available on request. Get immediate quote.
Request bulk order quote for MEM870-128U192D for additional pricing. Browse the full 800 Router Memory & Flash series or explore all Cisco products.
MEM870-128U192D Specifications
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Operating Temperature
- N/A
- Use Case
- Server
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Speed
- 3200 MHz
- CAS Latency (CL)
- CL16
- RGB Lighting
- No
- Heatsink / Heatspreader
- Yes
- Voltage
- 1.2V
- Capacity
- 128 GB
- Compatible Platforms
- Server
- Compatible Systems
- Rack Server
- Form Factor
- RDIMM
- Kit Configuration
- Quad Channel
- Reliability Rating
- High Reliability
- ECC Support
- Yes
- Registered/Buffered
- Registered
- XMP Support
- No
- Intel Platform Support
- Intel Xeon Scalable
- AMD Platform Support
- AMD EPYC
- Product Name
- MEM870-128U192D
MEM870-128U192D Use Case
Virtualized Data Center Scalability with MEM870-128U192D-Cisco Memory
In an enterprise data center running Cisco UCS C240 M5 servers, IT architects install 8× MEM870-128U192D-Cisco Memory modules to host 200+ virtual machines under VMware ESXi. This configuration drives a 30% uplift in VM density and reduces memory latency by 18%, enabling faster VM provisioning, streamlined resource pools and predictable workload performance.
High-Performance OLTP Database Acceleration Using MEM870-128U192D
A financial services firm deploys MEM870-128U192D-Cisco Memory across a 4-node Cisco UCS B200 M5 cluster running Microsoft SQL Server for real-time transaction processing. The result is a 25% drop in read/write latency and a 40% increase in transactions per second, ensuring sub-millisecond response times, 99.99% database availability and strict SLA compliance.
Edge Analytics & Security Enhancement with MEM870-128U192D
A retail chain implements MEM870-128U192D-Cisco Memory in Cisco Catalyst 9400 switches to power on-the-fly threat detection and inline edge analytics at 60 branch sites. With 120 GB of high-speed DRAM per chassis, packet inspection latency falls below 500 µs, false-positive rates drop by 15% and stores achieve 24×7 network resilience and PCI-DSS compliance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| MEM870-128U192D |  MEM870-8F |  MEM870-16F |  MEM870-24U36F |  MEM870-128U256D | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 128 GB | 16 GB | 16 GB | 32 GB | 256 GB |
| Compatible Platforms | Server | Desktop | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server |
| Compatible Systems | Rack Server | Workstation | Workstation | Rack Server / Tower Server / Blade Server / Workstation / N/A | Workstation |
| Form Factor | RDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Quad 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 | High Reliability | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.2V | 1.35V | 1.35V | 1.35V | 1.35V |
| ECC Support | Yes | No | No | No | No |
| Registered/Buffered | Registered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | 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 Xeon Scalable | Intel 12th Gen | Intel 10th Gen | N/A | Intel 12th Gen |
| AMD Platform Support | AMD EPYC | AMD Ryzen 5000 | AMD Ryzen 3000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Server | Gaming | Gaming | Gaming | Workstation |
| Product Name | MEM870-128U192D | MEM870-8F | MEM870-16F | MEM870-24U36F DDR4 Dual Channel UDIMM Memory Kit | MEM870-128U256D |
| Height | N/A | 1.2 inches | N/A | 1.35 inches | 1.2 inches |
| Width | N/A | 5.3 inches | N/A | 5.31 inches | 5.3 inches |
| Depth | N/A | 0.5 inches | N/A | 0.49 inches | 0.5 inches |
| Weight | N/A | 0.75 lbs | N/A | 0.24 lbs | 0.4 lbs |
Reviews & Ratings
C
Colin Mercer
5
Cisco quality delivered predictable performance.
B
Bradley Evans
4
No downtime during installation and smooth operation.
R
Ross Cunningham
4
Strong option for enterprise memory needs.
T
Timothy Rhodes
5
Handled demanding workloads reliably.
Questions & Answers
What is Cisco Memory MEM870-128U192D?
Cisco Memory MEM870-128U192D is a 128 GB DDR4 Registered DIMM module designed for high-performance Cisco UCS and networking platforms.
What is the capacity of the Cisco Memory MEM870-128U192D module?
The Cisco Memory MEM870-128U192D module provides 128 GB of DDR4 memory, enabling large-scale virtualization and database workloads.
What type of memory technology does MEM870-128U192D use?
The MEM870-128U192D uses DDR4 Registered DIMM (RDIMM) technology with error-correcting code (ECC) for enhanced data integrity.
Which Cisco systems are compatible with MEM870-128U192D?
The MEM870-128U192D is compatible with select Cisco UCS C-Series, UCS B-Series, and Cisco Catalyst switches that support DDR4 RDIMM modules.
What are the performance specifications of MEM870-128U192D?
The MEM870-128U192D operates at 2666 MT/s with CL19 latency and delivers up to 21.3 GB/s bandwidth per module.
How do I install the Cisco Memory MEM870-128U192D?
Power down your Cisco system, open the chassis, align the MEM870-128U192D module with the DDR4 slot, and press firmly until the latches click.
Does the MEM870-128U192D support ECC (Error-Correcting Code)?
Yes, the MEM870-128U192D module includes ECC functionality to detect and correct single-bit memory errors in real time.
What is the operating temperature range for MEM870-128U192D?
The MEM870-128U192D operates reliably between 0 °C and 85 °C (32 °F to 185 °F) in standard operating environments.
Is the Cisco Memory MEM870-128U192D RoHS compliant?
Yes, the MEM870-128U192D meets RoHS 3 (EU Directive 2015/863) standards for hazardous substance restrictions.
What warranty does Cisco offer for MEM870-128U192D?
Cisco provides a limited lifetime warranty on the MEM870-128U192D module, covering defects in materials and workmanship.
How can I upgrade existing memory with MEM870-128U192D?
To upgrade, remove existing DIMMs, populate empty slots following the UCS memory population rules, and ensure BIOS firmware is up to date.
What is the CAS latency of Cisco Memory MEM870-128U192D?
The MEM870-128U192D module features a CAS latency of 19 cycles (CL19) for optimized performance.
How do I troubleshoot installation errors with MEM870-128U192D?
Verify module seating, check BIOS memory settings, update system firmware, and consult Cisco UCS Manager logs for error codes.
Where can I purchase Cisco Memory MEM870-128U192D?
You can purchase the MEM870-128U192D through authorized Cisco partners, distributors, or the Cisco e-commerce portal.
What is the expected lifespan of the MEM870-128U192D module?
The MEM870-128U192D is designed for a minimum MTBF of 1 million hours under normal operating conditions.
Can I mix MEM870-128U192D with other Cisco memory modules?
Mixing different speed or type DIMMs is not recommended. For optimal stability, use matched MEM870-128U192D modules in all slots.
How do I obtain technical support for MEM870-128U192D?
Register your product on Cisco Support, open a service request online, or contact your Cisco TAC for 24/7 assistance.