Crucial RAM 8GB DDR4 2666 MHz CL19 Desktop Memory CT8G4DFRA266

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💡 How to pick memory
What to look for:
  • Must match your motherboard type (DDR4 or DDR5)
  • 16GB minimum for gaming, 32GB for content creation
  • Higher speed (MT/s) = better performance, especially for AMD
💰 Look for kits in 2 sticks (e.g. 2x8GB, 2x16GB) for dual-channel performance
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ProductMemoryCapacitySticksSpeedCAS LatencyValuePrice
Crucial RAM 8GB DDR4 2666 MHz CL19 Desktop Memory CT8G4DFRA266 RAM
Crucial RAM 8GB DDR4 2666 MHz CL19 Desktop Memory CT8G4DFRA266
Crucial★★★★★4.7
DDR4
8GB
—
2666MHz
CL19
C
$65
Specifications
addedAt2026-05-15T14:34:31.777Z
sourceamazon-discovery
Capacity8GB
Speed2666MHz
CAS LatencyCL19
MemoryDDR4
Form FactorDIMM
PERFORMANCE
11%
Customer Reviews★★★★★4.8 · 5 reviews
★★★★★Much better now!
Hi! Great Upgrade. Made a huge difference. I got this for my desktop (this is for desktops, not laptops). My HP was running super slow—apps were dragging, web pages took forever, and even simple stuff was a pain. Definitely just not enough RAM for what I needed. You probably have at least one memory expansion port in your desktop and so this goes in one of them. Installing it was way easy. You unplug it, take off the case with a screwdriver, find the RAM slots on the motherboard, line up the little notchs, and push it in until it clicks. That's it. It will recognize the new RAM right away. Everything runs smoother now—no more lag, things open fast, and multitasking doesn’t slow it down anymore. If your desktop’s been crawling like mine was, this is 100% worth it.
Amazon Customer · 2025-06-25 · via amazon
★★★★★Exactly What My Computer Needed
After upgrading from Windows 10 to Windows 11 my Dell Inspiron 3670 was running low on available memory. This item matched exactly the specs of the SK Hynix 8GB stick that was already installed. The price was great, and it arrived 3 days sooner than estimated. I was able to install it easily, and now my computer runs like new.
J. Wallace · 2025-11-10 · via amazon
★★★★★Good for the price
Great product. Highly compatible with most of my motherboards and even when the other RAM you have is from a different brand. Worked great and made my PC faster
Manuel Salazar · 2025-07-13 · via amazon
★★★★★Reliable RAM upgrade
This RAM worked well, installed easily, and performed as expected. It was a reliable upgrade and ran without issues.
Teri · 2025-12-13 · via amazon
★★★★★Works good for a cheap an easy upgrade for any gaming pc
Bought to upgrade my HP gaming Pavillion desktop tg01 0028 from 8 gig to 16 gig. The memory card itself is slightly different then the factory 8 gb ram card and it doesn't have the greatest click which was off putting for me as someone who is just getting into computers, as I didn't want to break anything but as long as you have the card lined up just put even pressure until the tabs lock and you are good to go, the results are nice much smoother game play, along with staying around 50% of use on large games and even better no issues with the using this with the factory 8 bit card
Timothy J Coons · 2022-06-08 · via amazon
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$65
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VALUE SCORE
C
11.0
Average value
Performance (11%) ÷ Price ($65) = 11.0
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
Crucial RAM 8GB DDR4 2666 MHz CL19 Desktop Memory CT8G4DFRA266 RAM
CONSIDER INSTEAD
+10% FASTERfor $6.400000000000006 more
Crucial 8GB DDR4 RAM, 3200MHz (PC4-25600) CL22 Desktop Memory, UDIMM 288-Pin, Downclockable to 2933/2666MHz, Compatible with Intel and AMD Ryzen - CT16G4DFRA32A
Kit
8GB
Speed
3200MHz
CL
22
Type
DDR4
$71.4