Crucial 4GB DDR3L 1333 MHz SO-DIMM Memory Module for Mac

Overview

The Crucial CT4G3S1339M is a 4 GB DDR3L memory module designed to upgrade compatible Mac systems, including iMac, Mac mini, MacBook, and MacBook Pro models. Running at 1333 MHz with CL9 latency, it enhances multitasking and speeds up demanding tasks like photo editing and video trimming. Its dual-voltage support at 1.35 V and 1.5 V helps maintain energy efficiency and system stability.

Key features

• 4 GB capacity that provides additional memory for smoother multitasking and faster application performance
• DDR3L technology operating at 1333 MHz to balance speed and power consumption effectively
• CL9 CAS latency ensures quick data access, reducing delays during intensive workflows
• Dual-voltage compatibility supports both 1.35 V and 1.5 V operation, allowing use in a wider range of Mac models while keeping power usage low
• 204-pin SO-DIMM form factor tailored for Mac laptops and desktops, ensuring a proper fit and reliable connection
• Easy installation process that requires only basic tools, making it accessible for users upgrading their own machines

Key specs

• Memory type: DDR3L SO-DIMM
• Capacity: 4 GB
• Speed: 1333 MHz
• CAS latency: CL9
• Voltage: 1.35 V / 1.5 V dual-voltage support
• Pin count: 204 pins

Compatibility and usage

This memory module is compatible with select Mac models that use 204-pin SO-DIMM slots, including various iMac, Mac mini, MacBook, and MacBook Pro versions. It is well suited for users who want to extend the life of their existing Mac hardware by improving responsiveness and handling larger files or multiple applications more efficiently. Whether you are a student, creative professional, or home user, this upgrade can make everyday computing tasks feel noticeably faster.