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A-Tech
A-Tech 4GB DDR4 2666MHz CL19 260-Pin SODIMM 1Rx8 Crucial CT4G4SFS8266 Laptop RAM
4GB DDR4 2666MHz CL19 260-pin SODIMM laptop memory module for compatible notebooks
- Capacity4GB
- Type260-Pin DDR4 SO-DIMM
- SpeedDDR4 2666 (PC4 21300)
- CAS LatencyCL19
- Voltage1.20V
- ECCNo
- 4GB DDR4 2666MHz module speeds up laptop loading times
- CL19 latency at 1.20V standard voltage for efficient operation
- 260-pin SO-DIMM form factor fits compatible laptop memory slots
- 1Rx8 unbuffered non-ECC design works with AMD and Intel systems
- Replacement equivalent for Crucial CT4G4SFS8266 part number 8266
Capacity and fit
This 4 GB DDR4 SO-DIMM uses the 260-pin layout required by most modern laptops and all-in-one systems. It is an unbuffered, non-ECC module built with major-brand chips and rated for 1.20 V operation.
Sustained workload behaviour
The module runs at 2666 MHz with a CAS latency of CL19, delivering PC4-21300 bandwidth for everyday multitasking and heavier background tasks. Quality-assurance testing on each stick aims to keep performance stable during extended sessions rather than only in short bursts.
Thermals, noise and power
Standard DDR4 voltage of 1.20 V keeps power draw low and heat output minimal inside a closed chassis. With no active cooling on the module itself, operation stays silent while the laptop’s own thermal solution manages the small additional load.
Besonderheiten
- 4GB DDR4 2666MHz module speeds up laptop loading times
- CL19 latency at 1.20V standard voltage for efficient operation
- 260-pin SO-DIMM form factor fits compatible laptop memory slots
- 1Rx8 unbuffered non-ECC design works with AMD and Intel systems
- Replacement equivalent for Crucial CT4G4SFS8266 part number 8266
Technische Daten
| Brand | A-Tech |
|---|---|
| Capacity | 4GB |
| Type | 260-Pin DDR4 SO-DIMM |
| Speed | DDR4 2666 (PC4 21300) |
| CAS Latency | CL19 |
| Voltage | 1.20V |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Features | Major Brand Chips |
| Recommend Use | AMD & Intel Compatible |
Fragen zu diesem Artikel
How much power does the 1.20 V DDR4 2666 module draw when the laptop runs all day?
It operates at the standard 1.20 V DDR4 voltage, so power draw stays low and heat output remains minimal during extended use.
What must my laptop already have for this 260-pin SODIMM to work?
A free DDR4 SO-DIMM slot that accepts 260-pin modules and supports 2666 MHz (PC4-21300) memory.
Will this CL19 2666 MHz stick run stably alongside other DDR4 modules I keep installed?
Yes — it is a standard non-ECC unbuffered DDR4 2666 MHz module, so it will run at the lowest common speed and timing with other DDR4 sticks.
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