How to Check What Company Made Your RAM

Knowing who manufactured your RAM isn't just trivia — it can affect compatibility decisions, warranty claims, driver support, and upgrade planning. The good news is that your system already has this information stored, and retrieving it takes less than two minutes on most setups.

Why the RAM Manufacturer Matters

Not all RAM is created equal, even when the specs look identical on paper. Two sticks both labeled DDR4 3200MHz 16GB might come from completely different manufacturers with different PCB designs, IC chips, and quality control standards. This matters when:

  • Troubleshooting stability issues — some RAM brands have known compatibility quirks with certain motherboards
  • Expanding your RAM — mixing manufacturers can sometimes cause timing conflicts
  • Claiming a warranty — each manufacturer has its own RMA process and warranty length
  • Checking XMP/EXPO profiles — memory overclocking profiles are brand-specific

The manufacturer is separate from the retailer you bought from. You might have purchased RAM from Amazon, but the actual maker could be Kingston, Samsung, Micron, SK Hynix, Corsair, G.Skill, Crucial, or any number of others.

How to Check RAM Manufacturer on Windows

Method 1: Task Manager (Quickest)

  1. Press Ctrl + Shift + Esc to open Task Manager
  2. Click the Performance tab
  3. Select Memory from the left panel

This shows your RAM speed, slots used, and form factor — but not the manufacturer name directly. For that, you'll need one of the methods below.

Method 2: Command Prompt (Most Reliable) 💻

  1. Press Windows + R, type cmd, and hit Enter
  2. Paste this command:
wmic memorychip get manufacturer, partnumber, serialnumber, capacity, speed 
  1. Press Enter

You'll see a table listing each RAM stick's manufacturer name, part number, capacity, and speed. This pulls data directly from the SPD (Serial Presence Detect) chip embedded in every RAM module — a small memory chip that stores the stick's identity and timing information.

Method 3: PowerShell

Open PowerShell and run:

Get-WmiObject -Class Win32_PhysicalMemory | Select-Object Manufacturer, PartNumber, Capacity, Speed 

This outputs the same SPD data in a slightly cleaner format.

Method 4: CPU-Z (Free Third-Party Tool)

CPU-Z is a widely used, free utility that reads detailed hardware information. Under the SPD tab, you can select each memory slot individually and see:

  • Manufacturer name
  • Part number
  • Manufacturing week and year
  • Detailed timing tables

This is particularly useful if the command prompt returns a generic code instead of a recognizable brand name.

How to Check RAM Manufacturer on Mac

  1. Click the Apple menuAbout This Mac
  2. Select System Report (or System Information)
  3. Under the Hardware section, click Memory

You'll see each DIMM slot listed with manufacturer, part number, size, speed, and type. This works for both Intel Macs and Apple Silicon Macs, though Apple Silicon models use unified memory — RAM integrated directly into the SoC — so the manufacturer will almost always reflect Apple's own chip supply chain rather than a separate module maker.

How to Check on Linux

Open a terminal and run:

sudo dmidecode --type 17 

This reads from the DMI (Desktop Management Interface) table and returns detailed information about each memory module, including manufacturer, part number, serial number, size, and speed.

Understanding What You See in the Results 🔍

Sometimes the output won't show a clean brand name like "Corsair" or "Kingston." Instead, you might see:

What You SeeWhat It Means
Bank 0 or blankSPD data incomplete or not reporting
A number like 80CEManufacturer code (80CE = Samsung)
HynixSK Hynix, one of the largest DRAM makers
0420Micron manufacturer code
A part number onlyCross-reference the part number online

If you get a manufacturer code instead of a name, a quick web search for that code will identify the company. Samsung, SK Hynix, and Micron are the three dominant DRAM chip manufacturers, and their ICs appear inside many branded retail sticks — meaning a Corsair or G.Skill stick might actually contain Samsung or Hynix chips internally.

The Difference Between the Brand and the Chip Maker

This is a distinction worth understanding. There are two layers to RAM manufacturing:

  • DRAM chip manufacturers — companies like Samsung, SK Hynix, and Micron that fabricate the actual memory chips
  • Module manufacturers — companies like Corsair, G.Skill, Kingston, and Crucial that buy those chips and assemble them onto PCBs with heatspreaders and branding

When you run the commands above, the result you get depends on which layer the SPD chip is reporting. Some branded sticks report the module manufacturer; others report the underlying chip maker. Neither is wrong — they're just answering slightly different questions.

Variables That Affect What You'll Find

The information available to you depends on several factors:

  • OEM vs. retail RAM — RAM that came pre-installed in a laptop or prebuilt PC often has less SPD data exposed than retail aftermarket sticks
  • Older hardware — DDR3 and earlier modules sometimes have incomplete or missing SPD entries
  • Virtual machines — if you're running Windows inside a VM, the memory data reported may reflect virtualized hardware, not physical specs
  • BIOS/UEFI access — some motherboards display RAM manufacturer information directly in their memory configuration screens, which can be a useful cross-reference

The physical stick itself is always an option too. If the label is still readable, the part number printed on it can be searched directly to confirm the manufacturer and exact specifications.

What you find — and what it means for your next step — depends entirely on your hardware configuration, operating system, and what you're actually trying to solve. 🖥️