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Micron makes semiconductor memory and storage products. Its portfolio includes DRAM, NAND flash, high-bandwidth memory (HBM), SSDs, memory modules, managed flash products, and other packaged solutions. The key distinction: DRAM is fast, temporary working memory for active computing; NAND is rewritable, persistent storage; and HBM is a specialized, vertically stacked form of DRAM built for high data bandwidth near powerful processors.
What does Micron make?
Micron Technology makes memory and storage products used in data centers, PCs, mobile devices, vehicles, and other systems. Its product range is broader than individual memory chips: Micron’s portfolio includes DRAM components and modules, NAND components and managed NAND, SSDs, multichip packages, and wafers. Some system-level products combine NAND with a controller and firmware, and may also include DRAM, according to Micron’s company filing.
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At a practical level, DRAM holds data that a system is actively using, while NAND retains data for later use. HBM is a specialized DRAM architecture that moves large volumes of data quickly between memory and processors.
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| Technology | Primary role | What makes it distinct |
|---|---|---|
| DRAM | Temporary working memory for active computing | Volatile: it loses its contents when power is off. It is designed for low-latency access. |
| NAND | Persistent data storage, commonly in SSDs and managed flash products | Nonvolatile and rewritable: it retains data without power. |
| HBM | High-bandwidth memory for closely coupled compute systems | A form of DRAM with vertically stacked dies connected using through-silicon vias (TSVs). |
What Micron’s DRAM is for
DRAM is a computer’s short-term work area. A processor uses it to access the instructions and data needed for current tasks. Unlike storage, DRAM does not keep its contents when the system loses power. Its low-latency access makes it useful for active workloads.
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- ECC Type = Non-ECC, Form Factor = SODIMM, Pin Count = 262-Pin, PC Speed = PC5-44800, Voltage = 1.1V, Rank And Configuration = 1Rx8
Micron lists data centers, client PCs, graphics, industrial systems, mobile devices, and automotive applications among its DRAM markets. It sells DRAM in multiple forms, including individual components and modules. A DDR5 RAM module is one familiar example of DRAM; standard DDR5 modules are not HBM.
What Micron’s NAND is for
NAND flash provides nonvolatile, rewritable storage. It is commonly used in SSDs and managed NAND products, where the flash is combined with other components to make it usable by a system. Micron identifies data centers, client PCs, consumer devices, automotive, mobile, and embedded systems among its NAND markets.
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- Requires overclocking/BIOS adjustments. Maximum speed and performance depends on system components, including motherboard and CPU.
- G.SKILL Flare X5 Series DDR5 U-DIMM Memory Kit, Model: F5-6000J3636F16GX2-FX5
- Non-ECC, DDR5 U-DIMM, 288-pin, for Desktop PC & Gaming
- Includes JEDEC default profile, and AMD EXPO & Intel XMP 3.0 memory overclock profile
- Do not mix memory kits. Memory kits are sold in matched kits that are designed to run together as a set. Mixing memory kits will result in stability issues or system failure.
Micron’s portfolio includes SSD families for both data-center and client systems. An SSD is a product example of persistent storage; it is not a substitute for the DRAM a processor uses as working memory.
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What HBM is—and how it differs from ordinary DRAM
HBM stands for High Bandwidth Memory, as Micron’s HBM4 FAQ explains. It is still DRAM, but its dies are stacked vertically and linked through TSVs. This design enables high bandwidth and close physical integration with processors, making HBM suited to workloads such as artificial intelligence (AI) and high-performance computing (HPC), which can require large amounts of data to move rapidly.
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- Capacity: 16GB(2 x 8GB)
- Tested Frequency Profile 1: PC5-48000 (6000MT/s)
- Tested Timings: 36-46-46-110
- Feature Overclock: XMP 3.0 & EXPO overclocking supported
- On-Die ECC
Micron’s FAQ contrasts the roles this way: “Traditional DRAM such as DDR memory handles general computing tasks while HBM supports AI and HPC applications that require continuous terabyte streams of data.” That is Micron’s explanation of its product category, not an independent industry standard or a claim that HBM replaces all other memory.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Micron’s HBM4 specifications
Micron’s HBM4 product pages report that its HBM4 36GB 12-high (12H) stack is in high-volume production and is designed for next-generation AI platforms. Micron lists a 2048-pin interface, pin speeds greater than 11.0 Gbps, and bandwidth greater than 2.8 TB/s per stack. These are vendor-reported specifications, not independently verified industry-wide measurements.
Rank #4
- Disclaimer: Maximum Speed requires overclocking/PC BIOS adjustments. Maximum speed and performance depend on system components, including motherboard and CPU
- AMD EXPO & Intel XMP 3.0 Compatible Only: Dual memory profiles allow you to easily select optimized settings for your platform, whether you’re running an AMD or Intel processor
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- Onboard Voltage Regulation: Onboard voltage regulation for reliable power at high frequencies
- Maximum Bandwidth and Tight Response Times: Optimized for peak performance on the latest AMD and Intel DDR5 motherboards
For comparisons, stack height matters: Micron’s HBM4 bandwidth comparison is for 12-high HBM4 against 12-high HBM3E. Micron also describes its efficiency comparison as being against HBM3E 12-high at similar speeds. The figures therefore describe a specific product configuration and comparison, not every HBM implementation.
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How HBM fits alongside other memory
HBM serves a different role from general-purpose system memory. Micron describes HBM working alongside DDR5 or LPDDR5 in a system: conventional DRAM supports general computing tasks, while HBM provides high bandwidth for demanding compute workloads. HBM is therefore not a direct replacement for every DDR memory module, nor is it NAND storage.
Micron’s fiscal 2026 results also describe SSDs shipping for KV-cache applications and LPDDR5X shipping for flagship mobile devices. Those examples show how its memory and storage portfolio extends beyond HBM into other system needs; they are company-reported product updates, not a measure of the wider market.
Quick Recap
How to tell the technologies apart
- Choose the category by function: DRAM is working memory; NAND is persistent storage; HBM is high-bandwidth DRAM.
- Look at the product form: Micron sells DRAM components and modules, NAND-based SSDs and managed flash products, and HBM stacks for tightly integrated compute systems.
- Check the system fit: Capacity, bandwidth, latency, power, packaging, and workload all matter. A high-bandwidth HBM stack and a consumer SSD solve different problems.
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