DDR4 laptop RAM (SO-DIMM) prices

DDR4 laptop RAM is the working memory inside your notebook that lets the processor handle data quickly. It ships as a small SO-DIMM module that clips into a slot on the motherboard. Before you buy, confirm the form factor is SO-DIMM (not a full-size desktop DIMM), that the interface is DDR4 (not DDR3 or DDR5), and that the speed and capacity are supported by your specific device. The wrong type simply will not work.

Every size compared

SizeLowest price$/GBProducts
8 GB$27.82$3.481
16 GB$69.99$4.371
32 GB$175.00$5.472
64 GB$400.00$6.251

Best value right now

$/GB Price Capacity Product Condition Store Link
$3.48 $27.82 8 GB Crucial 8GB DDR4-2400 SO-DIMM DDR4-2400 CL17 SO-DIMM Used eBay US +2 View deal
$4.37 $69.99 16 GB Crucial 16GB DDR4-3200 SO-DIMM DDR4-3200 CL22 SO-DIMM Used eBay US +2 View deal
$5.47 $175.00 2 × 16 GB Crucial 32GB Kit (2 × 16GB) DDR4-3200 SO-DIMM DDR4-3200 CL22 SO-DIMM Used eBay US +1 View deal
$5.69 $182.17 32 GB Crucial 32GB DDR4-3200 SO-DIMM DDR4-3200 CL22 SO-DIMM Used eBay US +2 View deal
$6.19 $197.98 2 × 16 GB Crucial 32GB Kit (2 × 16GB) DDR4-3200 SO-DIMM DDR4-3200 CL22 SO-DIMM New eBay US +2 View deal
$6.22 $199.00 32 GB Crucial 32GB DDR4-3200 SO-DIMM DDR4-3200 CL22 SO-DIMM New eBay US +2 View deal
$6.25 $400.00 2 × 32 GB Kingston FURY Impact 64GB Kit (2 × 32GB) DDR4-3200 SO-DIMM DDR4-3200 CL20 SO-DIMM Used eBay US View deal
$7.00 $112.06 16 GB Crucial 16GB DDR4-3200 SO-DIMM DDR4-3200 CL22 SO-DIMM New eBay US +2 View deal
$7.26 $58.05 8 GB Crucial 8GB DDR4-2400 SO-DIMM DDR4-2400 CL17 SO-DIMM New eBay US +2 View deal
$7.75 $31.00 4 GB Crucial 4GB DDR4-2666 SO-DIMM DDR4-2666 CL19 SO-DIMM New eBay US +2 View deal
$8.94 $35.78 4 GB Crucial 4GB DDR4-2666 SO-DIMM DDR4-2666 CL19 SO-DIMM Used eBay US +1 View deal
$11.94 $764.22 2 × 32 GB Kingston FURY Impact 64GB Kit (2 × 32GB) DDR4-3200 SO-DIMM DDR4-3200 CL20 SO-DIMM New eBay US +2 View deal

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Before you buy

Questions

How do I know if this RAM is compatible with my laptop?

You need to confirm three things: the form factor must be SO-DIMM, the interface must be DDR4, and the speed and capacity must fall within what your device supports. You can check your laptop's specifications or manual for the supported memory type and maximum capacity. PartsPrices also lists 54 devices in its catalog that are known to accept DDR4 SO-DIMM modules, so you can look up your model there before you buy.

Does it matter what speed I choose?

DDR4 SO-DIMMs come in several rated speeds. Your laptop will generally run memory at the highest speed both the module and the platform support. If you install a module rated faster than what your device supports, it usually runs at the lower supported speed instead. It is safer to pick a speed that matches or is within your device's supported range.

Should I buy new or used DDR4 laptop RAM?

New modules typically come with a manufacturer warranty and are unused, which can give you more peace of mind. Used or refurbished modules can work well but carry a higher risk of hidden issues, and any remaining warranty may be limited or expired. Whichever you choose, make sure the seller provides the full specifications so you can verify compatibility before purchase.

How much DDR4 laptop RAM do I need?

It depends on what you do. For everyday tasks like web browsing, email, and documents, 8 GB is often a starting point. Heavier work like multitasking, photo or video editing, or running virtual machines benefits from 16 GB or more. Also check your device's maximum supported capacity first, because that sets an upper limit regardless of what module sizes are available.