Skip to content


by Cisco
Product Line: Cisco Series
Product Type: Memory Module For Server
Sold out
Original price $0.00 - Original price $0.00
Original price
$0.00 - $0.00
Current price $0.00
Title: Surplus

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The UCS-ML-1X644RV-A is a 64GB DDR4 SDRAM - LRDIMM memory module designed for PC/server applications, specifically compatible with Cisco UCS B200 M4. It operates at a speed of 2400 MHz and features a quad rank, x4 configuration with a 288-pin DIMM interface. This module supports ECC and runs at a memory voltage of 1.2 V, ensuring reliable performance and stability.

FAQs for the UCS-ML-1X644RV-A

  • What is the memory size of the DDR4 SDRAM - LRDIMM?
    The memory size is 64GB.
  • How many modules does the 64GB DDR4 SDRAM contain?
    It contains a quad rank of x4 modules.
  • What type of memory is used in this module?
    The module uses DDR4 SDRAM - LRDIMM.
  • What speed does the memory operate at?
    The memory operates at a speed of 2400-MHz.
  • How much CO2 savings is associated with this memory module?
    The CO2 savings associated with this module is 13.64.
  • What DDR type and speed are supported by this memory?
    This memory supports DDR4 type at a speed of 2400 MHz.
  • Is this memory module suitable for PC or server use?
    Yes, it is suitable for use in PCs and servers.
  • What is the DIMM type of this DDR4 memory?
    The DIMM type is 288-pin DIMM.
  • Does this memory module support ECC?
    Yes, it supports ECC.
  • What voltage does the 64GB DDR4 SDRAM - LRDIMM operate at?
    It operates at a memory voltage of 1.2 V.
  • Which products are compatible with this memory module?
    It is compatible with Cisco UCS B200 M4 products.

Product Review

The CISCO UCS-ML-1X644RV-A offers a significant memory upgrade with its 64GB capacity, tailored for the Cisco UCS B200 M4, ensuring compatibility and streamlined integration. Its DDR4 SDRAM - LRDIMM configuration, combined with a 2400-MHz speed, enhances server performance, especially for memory-intensive applications. However, the quad-rank, x4 module configuration might limit bandwidth under certain high-load scenarios, compared to dual-rank configurations.


The CISCO UCS-ML-1X644RV-A is a high-capacity memory module designed to enhance the performance and efficiency of PC/server systems, specifically optimized for compatibility with the Cisco UCS B200 M4. This memory module features a 64GB capacity, ensuring substantial room for data processing and storage. It is constructed as a Quad Rank x4 module, which contributes to its high performance and reliability in demanding server environments. Constructed using DDR4 SDRAM technology in an LRDIMM format, the CISCO UCS-ML-1X644RV-A stands out for its advanced data transfer rates and reduced power consumption. DDR4 technology represents a significant advancement over previous memory standards, offering higher speeds and better power efficiency. The memory operates at a speed of 2400 MHz, which enables faster data processing capabilities and improves the overall system performance. This speed is crucial for applications that require quick access to large volumes of data, such as databases and real-time processing systems. One of the key advantages of the CISCO UCS-ML-1X644RV-A is its energy efficiency. Operating at a memory voltage of 1.2V, it not only supports the high-speed operation but also minimizes power consumption, leading to lower energy costs and a smaller carbon footprint. In fact, this memory module is associated with CO2 savings of 13.64 kg, underlining its eco-friendly design.
  • Memory Size: 64GB - Offers ample capacity for demanding applications and workloads.
  • Memory Type: DDR4 SDRAM - LRDIMM - Ensures high speed and efficiency with reduced power consumption.
  • Speed: 2400-MHz - Provides fast data transfer rates, enhancing overall system performance.
Additionally, the module features a 288-pin DIMM form factor, which is standard for DDR4 memory, ensuring compatibility with a wide range of PC/server systems beyond just the Cisco UCS B200 M4. It also includes Error-Correcting Code (ECC) memory, which detects and corrects data corruption. This is critical in server environments where data integrity is paramount, as it helps prevent data loss and system crashes that could lead to significant downtime. In summary, the CISCO UCS-ML-1X644RV-A is a powerful and efficient memory module that offers substantial improvements in system performance and reliability. Its large capacity, combined with high-speed DDR4 technology and energy-saving features, makes it an ideal choice for enterprises looking to upgrade their server capabilities. Compatible specifically with the Cisco UCS B200 M4 but adaptable to other systems with its 288-pin DIMM form factor, this memory module represents a smart investment in your IT infrastructure, contributing not only to enhanced performance but also to sustainability goals with its lower power consumption and CO2 savings.


Part Number UCS-ML-1X644RV-A
Manufacturer CISCO
Capacity 64 GB
Module Configuration Quad Rank x4
Memory Architecture DDR4 SDRAM - Load-Reduced DIMM
Operational Frequency 2400 MHz
CO2 Emissions Reduction 13.64 kg
Memory Standard DDR4
Frequency (MHz) 2400
Usage PC/Server
Memory Pin Configuration 288-pin
Error Checking and Correction (ECC) Enabled
Operating Voltage 1.2V
Compatibility Cisco UCS B200 M4 Blade Server

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare