2-power 2P-CT4G3S1339M - 4 GB - 1 x 4 GB - DDR3 - 1333 MHz

Laptops with 2 GB RAM or a faulty memory stick feel sluggish — programs hang, tabs reload, and you wait. This 2-power 2P-CT4G3S1339M 4 GB DDR3 module is the straightforward fix. One 1333 MHz stick (PC3-10600, CL9) gives your notebook enough headroom for everyday work without the cost of a new machine.

Advantages

More memory means less swapping to disk, so multitasking gets smoother: office suites, a dozen browser tabs, or light photo editing run without constant stutter. The module runs at standard 1.5 V, so it works with most DDR3 laptops without tweaking. Single-stick design leaves room to add another later if you have a free slot.

Suitable for

• Users upgrading from 2 GB or replacing a dead 4 GB stick.
• Anyone running office work, web apps, or streaming alongside other programs.
• Students and home users needing reliable performance for classes and daily tasks.
• IT staff maintaining older business notebooks that take DDR3 SO-DIMM.

Key specifications

• Capacity: 4 GB (1 x 4 GB)
• Type: DDR3 SDRAM
• Speed: 1333 MHz (PC3-10600)
• CAS latency: CL9
• Voltage: 1.5 V
• Form factor: 204-pin SO-DIMM
• Features: Unbuffered, non-ECC
• Compatibility: Notebook / Laptop

Recommendations

Before ordering, check your laptop’s manual or CPU-Z to confirm it supports DDR3-1333 SO-DIMM and has a free slot. For dual-channel gains, pair this with an identical stick if your system supports it. Handle the module by the edges to avoid static damage, and power off before installing. This is a cheap way to extend an older laptop’s life — often more noticeable than a new SSD for everyday tasks.