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The Crucial 8GB DDR4 2666 MHz CL19 SODIMM is a lightweight, high-speed laptop memory module designed to enhance system responsiveness and multitasking. Featuring 260-pin form factor and backed by Micron’s 42 years of expertise, it ensures reliable performance and easy installation. Ideal for boosting both general computing and graphics performance, especially when paired in dual channel configurations.







| ASIN | B08C56KXQJ |
| Additional Features | Lightweight |
| Best Sellers Rank | #66 in Computer Memory |
| Brand | Crucial |
| Column Address Strobe Latency | 19 |
| Compatible Devices | Laptop |
| Computer Memory Size | 8 GB |
| Customer Reviews | 4.8 out of 5 stars 15,266 Reviews |
| Data Transfer Rate | 34652.48 Megabits Per Second |
| Form Factor | SO-DIMM |
| Global Trade Identification Number | 00649528903488 |
| Item Type Name | DDR4 DRAM Memory |
| Item Weight | 0.3 Ounces |
| Manufacturer | Crucial |
| Memory Form Factor | SODIMM |
| Memory Generation | DDR4 |
| Memory Speed | 2666 MHz |
| Mfr Part Number | CT8G4SFRA266 |
| Model Name | Crucial Memory |
| Model Number | CT8G4SFRA266 |
| Number of Pins | 260 |
| RAM Memory Technology | DDR4 |
| RAM Size | 8 GB |
| Special Feature | Lightweight |
| UPC | 649528903488 |
| Voltage | 1.2 Volts |
| Warranty Description | Limited Lifetime Warranty |
M**Z
easy to install
Excellent RAM, easy to install and works perfectly. My PC improved markedly in speed and performance. Very good value for money, totally recommended."
C**9
Worked as planned
Helped fix my older laptop
S**D
Great investment for good gaming
Nowadays 8gb ram just doesn't cut it if you look to have stable and smooth performance on games like warzone, apex, or even halo. That's where this RAM stick comes in handy. 16gb of RAM does perfect on games like apex and warzone. I've seen about a 20 fps boost on RAM consuming games like warzone. Plus, this RAM stick was super easy to install in my Nitro 5 laptop. So I think that if you are still hooked on 8gb RAM, you should upgrade to 16gb RAM for a couple bucks with this RAM stick.
E**X
RAM muy buena
excelente RAM
S**T
works like it should
works like it should
R**.
Easy to install; laptop picked up that it was 8 GB right away.
The package was concerningly small, though it was pretty easy to install. The video for installation didn't come when it was delivered (I'd expected an email to be sent with a video), but I had experience going into my HP 15 laptop before. Just unscrewed 10 of the same screw: 4 on the underside, 2 beneath the detatchable battery, and 4 beneath the rubber pads. Once unscrewed, I slid the disk drive away, and looked for a long rectangle. I pulled the two secure arms to the side and it popped out. I inserted the new ram by clickingnit into place, rescrewed the screws, and powered it back on. I checked the System Information app and sure enough, the physical installed memory went from 4 GB to 8 GB. I wouln't say that it makes booting up some apps faster, but once I'm in them, they seem to run quite well comapred to using 4 GB of RAM. I would certainly recommend Crucial to a friend. Their price was about $8 less than other sellars, so it was certainly worth it.
K**H
Arrived on time and works as it should + dual channel
I used this in my HP Pavilion 15 cw1xxx laptop and it worked flawlessly. It’s being used along side the 8gb SkHynix stick that came with my laptop. I bought this to not only increase my overall memory in my system, but to also run dual channel ram to help my Ryzen 5 3500u’s graphics performance for gaming. Using dual channel ram really helps APUs as it doubles the bandwidth to system memory allowing the CPU to feed more info to the graphics at a time. Although it’s not as good as having dedicated graphics, I was able to run most lighter titles I play at 1080p rather than 720p like I was previously. It’s great for overall system performance as well, but I definitely recommend if you’re looking to run dual channel ram to increase graphics performance in a laptop APU. As for the seller, the product arrived on the earlier end of the estimated arrival date (mine said between the 4th and 12th, and arrived on the 6th.), and was the exact product listed, down to the model number. P.S. I used crucial’s website to ensure compatibility with my system, you should as well to guarantee it will work on your system.
T**C
Worked flawlessly for 4 years
As of the time that I'm writing this, it has been about 4 years since I bought this RAM stick. This RAM stick has survived and continued to work flawlessly for all the time that I have used it in my laptop. I'm only writing this review because I recently upgraded my RAM from this same vendor, and wanted to share that my previous purchase (this one) worked flawlessly for what I needed it to.
J**E
Good memory for great price
Good memory for great price! Fits even in Synology DS423+ (expands memory to 10GB).
G**K
Läuft in meiner DS220+ / Hinweis zur Kompatibilität
Ich habe den Riegel gekauft, um meine DS220+ von 2GB auf 10GB upzugraden. Denn da das zugrunde liegende Linux RAM als Cache nutzen kann und die DS220+ keinen SSD-Cache unterstützt, ist das eine ganz nette Möglichkeit, die Geschwindigkeit etwas zu erhöhen. Und für spätere Anwendungen (VM oder bei der 220+ wohl eher Docker) sicherlich auch nicht verkehrt. Der RAM funktioniert und bietet für weniger als den halben Preis des Synology-Riegels gleich die doppelte Kapazität, die meine 220 auch vollumfänglich akzeptiert. Offiziell unterstützt sie zwar nur 6GB, aber selbst Intel gibt schon 8GB für die CPU an und im Netz finden sich viele User mit 18GB RAM. Adressieren kann die CPU also sogar noch mehr. Ein Hinweis: Der Crucial-RAM wird offensichtlich in 2 Ausführungen produziert und es gibt vorab im Prinzip keine Möglichkeit zu wissen, welchen ihr bekommt. Die erste Ausführung hat 4 Speichermodule auf der beklebten Seite und die RÜckseite ist nackt (hinter der Produktbezeichnung findet ihr noch 4-5 weitere Stellen mit einer 4 drin) und die zweite Ausführung hat beidseitig je 4 Speichermodule (hinter der Produktbezeichnung befindet sich noch eine 8 -> z.B. CT8G4SFRA266 .C8JE). Anscheinend funktionieren überwiegend nur die doppelseitigen Speicher mit der 8. Ansonsten: Bester Preis für 8GB Ram, gute Leistung und mein NAS fluppt auch. Für die Inkompatibilität der einseitigen Riegel in den Synologys kann Crucial wohl eher nix. :-) 5/5
M**O
Memoria perfecta para el Nas Qnap TS453-D
La he instalado en el Nas Qnap TS453D sustituyendo al módulo original Apacer de 4Gb que traía el Nas de serie. Es el segundo que compro ya. Funciona sin problemas. El Nas lo reconoce perfectamente y no hay ningún problema de compatibilidad.
D**O
Ram perfetta
Ottima RAM per espandere quella presente nel pc
T**A
Funcionó sin problemas
Estuve comparando precios y este articulo estaba dentro del promedio en precio. Llego muy bien empaquetado y en su caja. Al momento de instalarlo fue fácil, OJO: no importa como la coloques, ya sea con la marca de CRUCIAL hacia arriba o hacia abajo; va a funcionar, ya que leí varios comentarios donde se quejaban que no era DDR4 porque no trae las ranuras correctas. Tal vez lo mas complicado del proceso es el desarmar la Laptop y ya. Fácil de instalar, buena relación entre calidad y precio, muy buena marca. Como dato mi Laptop es una HP 15dy1002la.
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