Cisco UCS-MR-128G8RS-H= 128GB Memory PC4-21300
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UCS-MR-128G8RS-H= Cisco 128GB 1X128GB DDR4 SDRAM 2666 MHz Bulk

Availability: In Stock
Part Number#: UCS-MR-128G8RS-H=
List Price was: $1765.12
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You Save: $1006.12 (57% off)

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New Bulk Pack

Short Description:
UCS-MR-128G8RS-H= Cisco 128GB 1X128GB DDR4 SDRAM 2666 MHz DDR4-2666 PC4-21300 1.20 V Registered 288-pin DIMM Memory Module. New Bulk Pack.
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

Technical specifications of DDR4-2666

  • Frequency: DDR4-2666 operates at a frequency of 2666 MHz, providing improved performance and faster data processing compared to slower DDR4 speeds.
  • CAS Latency (CL): CL represents the number of clock cycles required for data to become available after a read command is issued. DDR4-2666 typically has a CL of 15 or lower, providing improved memory access times.
  • Voltage: DDR4-2666 operates at a voltage of 1.2V, reducing power consumption compared to DDR3 which operates at a voltage of 1.5V.
  • Data Bus Width: DDR4-2666 uses a data bus width of 72 bits, providing a wide path for data transmission.
  • Error Correction Code (ECC): DDR4-2666 can be configured with ECC, providing improved error correction capabilities to help ensure the reliability of data stored in memory.
  • Registered/Unbuffered: DDR4-2666 can be configured as either Registered (RDIMM) or Unbuffered (UDIMM) memory, depending on the specific requirements of the system.
  • Form Factor: DDR4-2666 is available in different form factors, including DIMMs, SO-DIMMs, and LRDIMMs, to support various types of systems.
  • Maximum Capacity: DDR4-2666 is available in capacities up to 256GB per DIMM, providing substantial memory capacity for demanding applications.

Compatibility with Cisco systems

  • UCS-MR-128G8RS-H=: The Cisco UCS-MR-128G8RS-H= is specifically designed for use with Cisco systems, providing compatibility and optimal performance with these systems.
  • Cisco UCS Server: The Cisco UCS Server is a range of high-performance computing systems that support DDR4-2666 memory, including the Cisco UCS-MR-128G8RS-H=.
  • Compatibility Matrix: Cisco provides a compatibility matrix that lists the specific memory configurations that are supported by each Cisco system, ensuring that users can select the right memory solution for their specific needs.
  • Recommended Memory: Cisco provides recommendations for the best memory configurations to use with each system, ensuring optimal performance and compatibility.
  • Quality Assurance: Cisco rigorously tests its memory solutions, including the UCS-MR-128G8RS-H=, to ensure compatibility and reliability with Cisco systems.
  • Technical Support: Cisco provides technical support and guidance for customers who need assistance with memory upgrades or troubleshooting issues with memory in Cisco systems.

Installation and Maintenance Guidelines

Installation guidelines:

  • Check system requirements: Verify that your system meets the minimum hardware and software requirements before installation.
  • Obtain the installation files: Download or acquire the installation files for the software you want to install.
  • Install the software: Follow the instructions provided with the software to install it on your system.
  • Configure the software: Configure the software according to your needs, typically through a setup wizard or configuration file.
  • Test the installation: Test the software to make sure it is working correctly.

Maintenance guidelines:

  • Keep software updated: Regularly check for and install software updates to ensure that you have the latest security and performance fixes.
  • Monitor performance: Keep an eye on the performance of your software and address any issues promptly.
  • Backup data: Regularly backup your data to prevent loss in case of system failure or other issues.
  • Clean up unused files: Remove any unused files, especially large files, to free up space on your system.
  • Document changes: Keep track of any changes you make to the software or system to help with future troubleshooting.

Product Information

  • Brand Name: Cisco
  • MPN: UCS-MR-128G8RS-H=
  • Type: Memory (RAM)
  • RAM -Type: PC4-21300
  • SKU: UCS-MR-128G8RS-H=

Technical Information

  • Storage Capacity: 128GB
  • Memory Technology: Ddr4 SDRAM
  • Number Of Modules: 1 X 128gb
  • Bus Speed: 2666mhz /pc4-21300
  • Data Integrity Check: Ecc
  • Signal Processing: Registered
  • Cas Latency Timings: Cl19


  • CISCO Ucs C220 M5 High-density Rack Server
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.

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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
  • We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
  • If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
  • You can estimate the shipping cost from the products detail page, also available on the checkout page
  • The shipping cost depends on box dimensions, weight, and zip/postal code
  • To get a FedEx® delivery service you need to mention it on the checkout page notebox.
  • For urgent shipments, please contact our customer service.
  • Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.