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DDR5 SDRAM

Micron DDR5 delivers up to 2x the memory bandwidth1 compared to DDR4, which is required to feed the accelerating growth of CPU cores in the modern data center. Connect with our Sales Network to discuss your high-performance DDR5 RAM needs.

The Advantages of DDR5

Micron DDR5: Offering More Than 2X the Effective Bandwidth

DDR5 will offer up to 2x the effective bandwidth when compared to its predecessor DDR4, helping relieve this bandwidth per core crunch.

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Micron DDR5: Next-Generation Memory Transforming Data Into Insight

Watch how Micron DDR5 addresses the memory bandwidth per CPU challenge and transforms available data into insight.

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Benefits of DDR5 memory

Core-Fueling Memory Bandwidth

Micron DDR5 delivers a significant improvement in performance for mission-critical enterprise and cloud workloads which benefit from increased levels of bandwidth, scalability, and reliability. Micron DDR5 delivers world-record performance for In-Memory Databases2, and is ideal for AI workloads like recommender engines and generative AI.​ ​
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Improved Reliability

Micron DDR5 memory is designed to improve reliability across the data center with features such as ​O​n-​D​ie ​E​rror ​C​orrection ​C​ode (ODECC) and bounded faults. ODECC corrects single​-​bit errors and detects multi-bit errors.

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More Capacity​

Micron DDR5 memory is validated for 16/24/32/48/64/96/128​ GB with major CPU vendors. As a result, Enterprise and Cloud Service Providers can enable flexible configurations optimized for TCO.

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Micron DDR5 Technology Enablement Program

The DDR5 Technical Enablement Program (TEP) is a program that offers a path into Micron to gain early access to technical information and support, electrical and thermal models as well as DDR5 products to aid in the design, development and bring-up of next-generation computing platforms.

tep program details

Density

Select Density
  • 16Gb
  • 24Gb
Range: 16Gb - 24Gb
  • Width
    x4, x8, x16
  • Voltage
    1.1V
  • Package
    FBGA
  • Clock Rate
    2400 MHz, 2800 MHz
  • Op. Temp.
    0C to +95C
  • Width
    x4, x8, x16
  • Voltage
    1.1V
  • Package
    FBGA
  • Clock Rate
    2400 MHz, 2800 MHz, 3200 MHz
  • Op. Temp
    0C to +95C

Part Catalog for Micron DDR5 DRAM

Micron DDR5 is game-changing memory for the data center, available in a variety of densities up to 8000 MT/s​.

View the Micron DDR5​ DRAM​ Part Catalog

Featured Resources

Micron DDR5 Delivers Next-Gen Performance and Reliability for the 4th Gen Intel®️ Xeon®️ Scalable Processor Family

Micron DDR5 improves workloads across the data center today while enabling future infrastructure growth.

Micron DDR5 Memory Now Available for 4th Gen AMD EPYC Processors

The combination scales up to 2x the performance for select HPC memory-bound workloads.

Podcast: Micron DDR5 for the Data Center

Listen to the podcast discussing the impact of Micron DDR5 memory and the promise it holds for data center and cloud workloads.

Boost HPC Workloads With Micron DDR5 and 4th Gen AMD EPYC Processors 

Micron DDR5 with 4th Gen AMD EPYC processors runs HPC workloads two times faster than systems using DDR4 and AMD “Zen 3” architecture, all while allowing double the memory bandwidth per core over these previous-generation systems.

Micron's DDR5 Ecosystem Partners

Micron works closely with selected Ecosystem Partners to provide early access to next-generation storage and memory protocols. Learn about how:

  • Micron partners with AMD to deliver next generation data center performance
  • Micron partners with Intel to deliver next generation server platforms

Advantages of Migrating to DDR5

DDR5 is the next evolution in DRAM, bringing a robust list of new features geared to increase reliability, availability, and serviceability (RAS); reduce power; and dramatically improve performance. Some of the key feature differences between DDR4 and DDR5 are as follows:

Feature/Option DDR4 DDR5 DDR5 Advantage
 Data rates  1600-3200 MT/s  4800-8800 MT/s  Increases performance and bandwidth
 VDD/VDDQ/VPP   1.2/1.2/2.5   1.1/1.1/1.8   Lowers power
 Internal VREF  VREFDQ  VREFDQ, VREFCA, VREFCS   Improves voltage margins, reduces BOM costs
 Device densities    2Gb-16Gb    16Gb, 24Gb, 32Gb  Enables larger monolithic devices 
 Prefetch    8n   16n    Keeps the internal core clock low
 DQ receiver equalization   CTLE  DFE  Improves opening of the received DQ data
 eyes inside the DRAM
 Duty cycle adjustment (DCA)   None   DQS and DQ  Improves signaling on the transmitted DQ/DQS pins
 Internal DQS delay
 monitoring 
 None   DQS interval oscillator   Increases robustness against environmental changes 
 On-die ECC  None  128b+8b SEC, error check and scrub   Strengthens on-chip RAS
 CRC   Write   Read/Write    Strengthens system RAS by protecting read data 
 Bank groups (BG)/banks   4 BG x 4 banks (x4/x8)
 2 BG x 4 banks (x16)
 8 BG x 4 banks (16-64Gb x4/x8)
 4 BG x 4 banks (16-64Gb x16) 
 Improves bandwidth/performance
 Command/address interface   ODT, CKE, ACT, RAS,
 CAS, WE, A
 CA<13:0> 

 Dramatically reduces the CA pin count

 ODT  DQ, DQS, DM/DBI   DQ, DQS, DM, CA bus    Improves signal integrity, reduces  BOM costs 
 Burst length  BL8 (and BC4)   BL16 
 (and BC8 OTF) 
 Allows 64B cache line fetch with only 1 DIMM subchannel. 
 MIR (“mirror” pin)   None  Yes  Improves DIMM signaling
 Bus inversion   Data bus inversion (DBI)  Command/address inversion (CAI)   Reduces VDDQ noise
 CA training, CS training   None   CA training, CS training   Improves timing margin on CA and CS pins  
 Write leveling training modes   Yes  Improved  Compensates for unmatched DQ-DQS path
 Read training patterns   Possible with the MPR  Dedicated MRs for serial
 (userdefined), clock and LFSR
 -generated training patterns
 Makes read timing margin more robust
 Mode registers  7 x 17 bits  Up to 256 x 8 bits
 (LPDDR type read/write) 
 Provides room to expand
 PRECHARGE commands   All bank and per bank  All bank, per bank, and same bank   PREsb enables precharging a bank in each BG
 REFRESH commands   All bank   All bank and same bank  REFsb enables refreshing a bank in each BG
 Loopback mode  None   Yes  Enables testing of the DQ and DQS signaling 

Frequently asked questions

What is DDR5 DRAM?

DDR5 DRAM is fifth-generation double data rate (DDR) dynamic random-access memory (DRAM) technology. DDR refers to the transfer of data on both the rise and fall of the clock signal. DRAM is a semiconductor memory that stores bits of data in memory cells containing a capacitor and a transistor. Micron DDR5 DRAM memory is available in 16/32/64GB and 24/48/96GB capacities.

Will DDR5 server memory modules fit into a DDR4 socket?

No, DDR5 server memory and DDR4 motherboards are incompatible. DDR5 will only fit in DDR5 server motherboards for all CPUs (central processing units) released into the market after October 2022. DDR5 is designed for data-intensive workloads like generative AI, machine learning, deep learning and other workloads running complex algorithms.

How is DDR5 frequency categorized, in megahertz or megatransfers per second?

Both! Micron uses the megatransfers per second (MT/s) unit when referring to the transfer rate of the memory. The use of megahertz (MHz) is appropriate when talking about the actual clock speed of the memory. Because all DDR memory technology, including DDR5, is “double data rate,” transfers occur on both the rise and fall of the clock edge. Therefore, the fastest DDR4 memory is measured as 3200MT/s or 1600MHz. While DDR4 transfer rates range from 1866MT/s to 3200MT/s, Micron DDR5 produces 4800MT/s and 5600MT/s rates. All 2024 CPUs (central processing units) will be capable of 6400 to 8800MT/s.

What are the benefits of DDR5 vs. DDR4?

As the next evolution in DRAM (dynamic random-access memory), DDR5 enhances data processing applications that require substantial amounts of memory bandwidth, such as machine learning, artificial intelligence and big data analytics. DDR5 offers faster speeds, immediately delivering an 85% or higher increase in performance over DDR4. With a data rate (speed) range of 4800 to 8800MT/s, DDR5 delivers higher-performance memory and is geared to increase reliability, availability and serviceability (RAS).

  • More performance: DDR5 run speeds start at 4800MT/s while DDR4 offers a maximum speed of 3200MT/s. As a result of this increase, we see two times the performance in HPC (high-performance compute) workloads. In the case of deep learning, Micron DDR5 memory delivers up to five times the performance of DDR4.
  • Improved reliability: ODECC (on-die error correction code) detects all single- and double-bit error codes and resolves single-bit error codes before sending them to the host CPU/GPU. ODECC is an evolution included in the DDR5 specification that is designed to improve customer quality and enable future scaling.
  • Total cost of ownership: Our Micron 96GB DDR5 DRAM technology is optimized for TCO (total cost of ownership) in enterprise and cloud service provider environments. Micron DDR5 memory is validated and available in 16/32/64GB and 24/48/96GB capacities.

For more information and an overview of the differences, see our side-by-side assessment of DDR5 vs. DDR4.

Is DDR5 better than DDR4 in data centers?

Yes, as data centers move to support the more complex algorithms used for AI training, DDR5 is superior to DDR4 in the following ways:

  • Micron DDR5 server DRAM nearly doubles the performance of DDR4. Unlike DDR4, DDR5 is optimized to increase server and workstation performance by 85% or more. First introduced in 2014, DDR4 can no longer keep up with the demands of the data center. With more instances of actively running virtual machines on a single platform, DDR5 technology relieves the bandwidth-per-core memory crunch and increases the performance and responsiveness of virtualized applications.
  • With new module densities of 96GB, DDR5 boosts the maximum capacity of a high-performance server by 50%. This provides additional computational space without having to purchase additional servers.
  • Micron builds DDR5 server memory with power management integrated circuits (PMICs) on the module, meaning that customers are not paying for power management of the entire system. This design can initially mean a lower overall cost to power DDR5 servers compared to DDR4 servers when some system slots are left open. Micron server memory is high quality and typically less expensive than OEM server memory.
  • Micron DDR5 server memory delivers higher bandwidths along with improved reliability, availability and scaling than DDR4. It is 100% component- and module-tested to mission-critical server standards and optimized for the next-generation Intel® and AMD® DDR5 server and workstation platforms. As one of three major memory manufacturers, Micron tests and validates our DDR5 server memory to work with all major DDR5 server platforms.
Will Micron discontinue DDR4 server memory modules?

No. There is a significant installed base and need for continued support of DDR4 for many years to come. Micron plans to continue manufacturing DDR4 using our 1α (1-alpha) node, as we did with DDR3 when DDR4 was first introduced.

What data center applications benefit from DDR5?

DDR5 offers benefits in many applications and is best suited for maximizing DDR5 server and workstation performance for AI, deep learning, high-performance computing (HPC), cloud computing, virtualized supercomputing, and in-memory database applications that demand the highest-speed real-time memory available.

HPC workloads are notably memory-bandwidth hungry, and the lack of sufficient memory bandwidth often constrains their performance. These complex workloads focus on solving some of humankind’s most challenging problems, including weather and climate simulations, seismic modeling, and physics, chemical and biological analysis. Micron DDR5 performs two times better for molecular dynamics, weather research and forecast, and OpenFOAM workloads.

These workloads also highlight the types of simulations, predictions and models of complex systems with large datasets that are often grouped with AI and other data analytics to support complex workflow analysis for both business and science. Their use helps reduce development time and costs in a broad range of applications.

What are the energy-saving benefits of DDR5?

DDR5 operates at a voltage of 1.1 volts, compared to 1.2 volts for DDR4, significantly reducing power consumption.

Why buy Micron DDR5 instead of competitive products?

Micron works closely with industry leaders in CPU and platform development and with leading system and motherboard manufacturers to enable the next level of memory technology. Micron is a proven industry leader with the innovative expertise to not just sell but also engineer quality memory products for servers — from start to finish. Micron 96GB DDR5, our high-capacity DIMM using single-die packaging, is 60% lower in cost and uses 4% less power than competitive 128GB DDR5 memory.

Is moving to DDR5 a way to save on IT budgets?

Initial DDR5 memory module prices are expected to be higher than those for DDR4 (50% more) while the new technology ramps into full production. Over time, the cost is expected to come down, but each DDR5 module includes a small power management integrated circuit, which was moved from a single large circuit on the motherboard. This move, along with the component voltage drop from 1.2V to 1.1V, improves power management and could lower overall system costs over time. In addition, because DDR5 provides an estimated 85% performance improvement, upgrading may effectively reduce overall TCO.

When will DDR5-enabled server products be sold?

AMD introduced 4th Gen EPYC processors in October 2022, and Intel introduced 4th Gen Xeon processors in January 2023. These products support DDR5 memory. Check with your favorite system vendor to take advantage of this game-changing technology in your data center.

What needs to be considered when implementing DDR5?

When implementing DDR5, factors such as compatibility and TCO need to be considered. Our technical team can answer any questions or concerns related to needs. Contact us for more information.

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