CanadaRAM - Canada's Memory Experts

Canada's Memory & SSD Experts Since 1997

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How do I check my computer memory?

Hint: Search for computer model or memory part #. Skip the top ads in search result.


CanadaRAM introduces
Expert Personal Service.

We make it easy: Give us the model of your computer (or server), and the memory or storage upgrade you desire.

We will give you the best choices based on your requirements and value - backed with the industry's best warranty.

Email us
We ship direct to your door

CanadaRAM is an authorized dealer for OWC, Kingston and many other brands, your products will ship from Canada and your warranty is handled from Canada, you won't need to deal with border charges or international return issues.

Shipping Map Link

All delivery estimates are subject to courier performance, subject to weather conditions and are for in-stock items only. Orders received after 1 PM or on weekends will ship out the next business day (in-stock goods only). Not-in-stock items shipping time starts when items arrive in stock. FedEx Overnight service is 1-2 business days to most urban areas for in-stock only. Delivery service Monday - Friday excluding holidays. Shipping policies US Customers: Certified brand RAM US orders are shipped from NH, no Canadian taxes. Email or call first, you cannot use the shopping cart.

Please Add your products to the shopping cart in order to view shipping price estimates based on your postal code and items purchased. For special orders, Corporate, Government or Institutional volume purchases, Interac or cheque payment, items that don't have pricing or ADD buttons, and special shipping arrrangements including delivery deadlines - please email us to order. Terms & conditions of sale. Availability and price can change without notice. Email for up to date prices.

Need onsite service or consulting? Here are some Canadian IT support companies and consultants that we have done business with. Contact them and check whether they are the right fit for your requirements.

MacPro, MacBook Pro, iMac, iMac Pro, MacBook, Mac Mini, Power Macintosh G5 & Dual-core G5, G4, G3, Aluminum & Titanium PowerBook G4, iBook eMac, Xserve, Memory and hard drive / SSD storage

PC RAM - Intel/AMD Desktop - Laptop
Desktops & Servers: Abit, Acer Altos, Aspire, Extensa, Power, Veriton Asus, Dell Dimension, Optiplex, Precision Workstation, Vostro, Wyse, Studio, PowerVault, PowerEdge XPS, EMachines, Gateway Media Center, Profile, FX, GZ, S, SX, ZX , Gigabyte, Hewlett-Packard Compaq All-in-One, Elite. Business Desktop, Deskpro, Envy, HDX, Omen, Omni. Pavilion, Phoenix, Presario, Spectre, Workstation, IBM Lenovo Aptiva, NetVista Intellistation. Thinkstation, Thinkserver, ThinkCenter, MSI, Shuttle, Sony, Touch, Cisco router memory, many more

Notebooks & Laptops:
Armada, Presario, Chromebook, Dell Inspiron, Latitude, Vostro, Studio, Eurocom, Fujitsu Lifebook, HP Business Notebook, Envy, Elite, OmniBook, Pavilion, Sceptre Touchsmart, ZBook, IBM, Lenovo Thinkpad, Edge, Essential Flex, G Series, Ideapad, Omen, Yoga, Twist, Panasonic Toughbook, Let's Note, Toshiba Satellite, Dynabook, Libretto, Portege, Tecra, Qosmio, MSI Notebook, NEC Versa, LaVie, Mate, Sony Vaio, Flip, Vaio Pro, many others

Digital Flash memory cards for smartphones and cameras
CF Cards, CFast, MultiMedia Cards (MMC & RMMC) Secure Digital (SD, SDHC, SDXC), MiniSD, MicroSD, XQD, MemoryStick,Duo, Pro, MagicGate, XD Picture card, ATA Flash, USB Card readers. For Apple, Agfa, Canon, Casio, Epson, Fuji, GoPro. H-P, Huawei, Kodak, Nikon, Olympus, Ricoh, Samsung, Sony, other brands.

MusicalInstrument Sampler RAM
Akai, E-Mu, Fostex, Kurzweil, Roland, Yamaha memory upgrades

Batteries & Power
Notebook & laptop batteries, AC adaptors, Motherboard CMOS & PRAM lithium batteries,

RAM module types: DDR DIMMs and SODIMMs, DDR2, DDR3, DDR4, FB-DIMMs, RAMBus RIMMs, SDRAM PC133, PC100, PC66, Flash

Laser Printer Memory
Apple, Hewlett-Packard, Xerox/Tektronix, Okidata, Canon, Samsung, Brother printers

DDR5 Desktop memory for Alder Lake / Z690 motherboards

How do I find the make and model of my machine?

How do I find how much RAM my machine has now?

We offer XpressPost for 1-6 day delivery ($18.50 for under 200g). Expedited Post 2-9 days ($10.50 BC, $14.50 Canadawide under 200g) is available on request, may require pickup at your local postal outlet with ID. For fastest shipping choose Fedex or contact us first for arrangements.

Add your items to the cart,
Or Email your order
Or phone us at
(604) 770-0299 or
(250) 382-6227
Call Tollfree Canada wide
(877) 320-0225

9:00 - 5:00 Mon.- Fri. Pacific

Office telephone hours are 9 AM to 5 PM Pacific time zone Monday - Friday. We can often answer faster by email than by phone. Kindly leave a voicemail if we are on the phone with other customers.
The CanadaRAM office is wholesale only and not open to the public. Pour la communication dans Français s'il vous plaît envoyez-nous un e-mail à



Q: How do I check my computer memory?

A: Check How Much Memory You Have

If you are on a Windows machine, in File Explorer, you can choose This PC, right click, and choose Properties

Or, you can go to Settings > System >About

PC About Memory

For more detailed information about your motherboard and the memory installed, you can download and run Speccy from Piriform or CPU-Z from CPU-ID


If you are on a Macintosh, go to the Apple Menu, About this Mac... and it should show you the amount of memory you have and the OSX Version

About This Mac Memory\

For more information on the number of RAM Modules and their placement, you can go to System Report and look under Memory in the Hardware section

More detail:

Some machines, especially servers and workstations, can take multipple different types of memory, and these are mutually exclusive - that is, you cannot have two types of memory in the machine at once. Your purchased memory must match the existing memory type.

The best plan with Servers, Workstations and Mac Pro machines is to shut the machine down and pull out one or more memory modules, and take a photo of the memory with the labels showing clearly and email that photo to us.

The most common issues are between ECC Unbuffered, ECC Registered and Load Reduced memory. The software reports above may not specify which you have. There will be numbering on the labels that can tell us what type of memory it is.

  • ECC Unbuffered usually has E or EU, UR or UB on the label.
  • ECC Registered usually has R or Reg.
  • Load Reduced usually has LR,
    • occasionally only L which can be a problem because L is also used to designate Low Voltage. LP and VLP are used to designate low profile and very low profile DIMMs
  • Non-ECC RAM as is normally used in consumer and office machines is unbuffered by definition.

In addition, you may see numbering that can tell the speed, voltage and ranking of the memory.

There are two ways of designating memory, PC# and DDR# The speed numbers on PC# are in bits while on DDR# they are in Bytes, so the PC# numbers are 8x the DDR# numbers

PC3L-12800R 2R for example would be DDR3, Low voltage (1.35V), 1600 MT/s (12800 / 8), Registered, two Ranks

DDR4-2666U SR would be DDR4, 2666 MT/s. Unbuffered, Single Rank. Note that this doesn't tell us whether it is ECC or non ECC - in the absence of any other marking that says E, ECC, or 72-bit, we assume that this is NON ECC memoryu

PC4L-21300LR QR would be DDR4 Low Voltage, 2666 MT/s (21300 / 8), Load Reduced, 4 Rank (Quad Rank)

A: Check if your memory is OK

Your machine does a Power On Self Test of memory when you start it up, so if your machine is running you are halfways there to knowing your RAM is OK. But if you are getting unexplained crashes, especially random shutdowns or freezes unrelated to any activity you are doing in software, then it is worth running an extended test on the memory. You would want to set the test to run several passes of memory testing, as random errors may not show up on one test run. The testing can take hours, you can set it up to run overnight.

If you have a Windows machine

You can use the freeware utility MemTest to make a bootable USB stick or CD-ROM to reboot the machine and run the Memtest routine from the bootable media

or there are free and paid versions from Passmark or TechPowerUp

If you have a Macintosh

You can use the freeware utility Rember to test memory or you can run the built in Apple Diagnostics or for old Macs the Apple Harware Test suite




Email your inquiry to
Use our online shopping cart by clicking the ADD buttons or call Tollfree 877-320-0225 (604-770-0299 or 250-382-6227 in Vancouver/Lower Island BC)



Any concerns or questions? Contact Customer Service Your email will not be used for spam Privacy statement CanadaRAM is 100% Canadian owned for over 25 years. About Us We only sell fully warranted premium-quality memory tested and guaranteed compatible with your computer. Full RAM manufacturers' warranty terms apply. All prices in Canadian dollars, tax and shipping extra. See our Terms & conditions of sale and Shipping policies.
© 1997-2021 2123 West 49th Ave., Vancouver, BC CanadaV6M 2T5 Mailing address only no pickup. Office phone hours 9:00-5:00 Pacific time Mon. to Fri.
CanadaRAM is an authorized dealer for OWC, NewerTech, Kingston, Crucial, DMS, Seagate, Western Digital, QNAP, Synology and many other brands. Brand names, model names and logos are trademarks of the respective companies and are used for identification purposes only.