
Crucial 16GB DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT16G4DFRA266
DDR4 · 16GB · 2666MHz
Some links below are affiliate links — RamRadar may earn a commission if you buy through them, at no extra cost to you. How we make money

We rank retailers by current price, seller trust, and live availability so weak third-party offers do not look better than they are.
RamRadar may earn a small commission from qualifying purchases through retailer links, at no extra cost to you.
This kit is 189% above its all-time low. There may be better value elsewhere right now.
Primary recommendation: Newegg at $129.99.
If the current kit feels overpriced, these similar options are closer to a smart buy today.

DDR4 · 16GB · 2666MHz
Shop on Newegg — RamRadar earns a small commission from qualifying purchases.
Get notified when the price drops to your target. ATL is $44.99.
Same memory generation, similar specs, and cleaner alternatives worth comparing before you buy.
RamRadar has recorded 25 price points for this kit since July 2026. At $129.99, it sits 188.9% above its all-time low of $44.99 (July 2026) and 0.0% below its all-time high of $129.99 (July 2026). Within that window it has traded between $44.99 and $129.99. We have been tracking it for under 30 days, so longer-term comparisons are not available yet.
At $8.12 per GB, it runs 8.8% above the current DDR4 desktop average of $7.46 per GB.
$129.99 is near the top of the $44.99–$129.99 range RamRadar has recorded for this kit — it has sold for as little as $44.99 in July 2026. By its own price history this is an expensive time to buy.
RamRadar has only tracked this kit since July 2026, which is too short a window to call a trend. RAM pricing is volatile; a price alert on this page will notify you if the price falls to your target.
It currently costs $8.12 per GB, 8.8% above the DDR4 desktop average of $7.46 per GB computed across the 99 kits RamRadar tracks in that segment. On a per-gigabyte basis it costs more than the typical kit we track.