Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) SODIMM 260-Pin Memory - CT2K8G4SFRA266

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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 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) SODIMM 260-Pin Memory - CT2K8G4SFRA266 RAM
Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) SODIMM 260-Pin Memory - CT2K8G4SFRA266
Crucial★★★★★4.7🔥 DEAL -$10
DDR4
16GB
—
2666MHz
—
B
$114
$104
Specifications
addedAt2026-05-15T14:34:31.777Z
sourceamazon-discovery
Capacity16GB
Speed2666MHz
MemoryDDR4
Form FactorSODIMM
PERFORMANCE
15%
Customer Reviews★★★★★4.8 · 5 reviews
★★★★★Met expectations. Buy with confidence.
Purchased to upgrade an older (5 years) Laptop that has an upper RAM limit of 16gb, came with 8. Recognized immediately. Ran a few memtest's including Memtest86+, everything was good, no errors. Matched expected capacity, speed etc. Well oackaged, standard plastic holders. No problems, buy with confidence.
Soldat_1958 · 2025-11-20 · via amazon
★★★★★Installed in a Dell XPS 7590
I didn’t want to pay for the inflated RAM prices directly from Dell when I first ordered my XPS. I waited about a year and almost always use a crucial for RAM when it comes to regular use laptops. Other than Dell being dumb and using Torx screws, the RAM itself worked great. Not taking stars off for Dell’s PITA design. Computer booted, pricier me of a RAM change and then loaded into Linux Kubuntu. Everything read correctly and tests show it works as advertised in the specs.
Brandon Pierce · 2021-06-05 · via amazon
★★★★★fue exacto lo que necesitaba,
todo perfecto.
abologna · 2026-05-06 · via amazon
★★★★★If your computer sess has one ram slot but to modify it actually has two. Totally worth it!
They work exactly what I want them to do. Make my slow pc faster! Totally worth it!
fabian · 2025-12-23 · via amazon
★★★★★Good value RAM
I had to return the 1st set that I was sent. The PC would boot with 1 stick but would give me beep codes when the second stick was added. The replacement set worked fine. These are sent in a clamshell packaging that didn’t have any seal to indicate that it had been used/returned before it was sent to me. Wonder if the 1st bad set will eventually be sent to another customer?
J. Nicolls · 2022-01-29 · via amazon
Buy Now
Amazon
✓ In Stock
$104
Buy →
Best Buy
Not tracked at this retailer
N/A
Newegg
Not tracked at this retailer
N/A
VALUE SCORE
B
14.4
Good value
Performance (15%) ÷ Price ($104) = 14.4
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
💰
Below MSRP
Was $114 → $104
9% off
Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) SODIMM 260-Pin Memory - CT2K8G4SFRA266 RAM
CONSIDER INSTEAD
SAVE $32.599999999999994140% of this product's perf
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
+21% FASTERfor $13.989999999999995 more
CORSAIR - VENGEANCE SODIMM Memory 8GB (1x8GB) DDR5 4800MHz C40 1.1V - Black
Kit
8GB
Speed
4800MHz
CL
40
Type
DDR5
$117.99