Lenovo DDR4 - modulo - 16 GB - SO DIMM 260-PIN - 3200 MHz / PC4-25600 - 1.2 V - unbuffered - non-ECC - per ThinkCentre M70q; M80q; M90a; M90q; ThinkPa

The Lenovo 4X70Z90845 Memory Module provides 16 GB of DDR4 RAM at 3200 MHz in a 260-pin SO-DIMM form factor designed for compatible laptops. This module increases available system memory, enabling faster data processing and better multitasking for systems that support DDR4 3200 SO-DIMM upgrades.

Advantages

This 16 GB DDR4 3200MHz SO-DIMM module offers higher memory capacity and a faster clock speed compared with lower-capacity modules, reducing paging and improving responsiveness when running multiple applications. Its 1.2 V design follows DDR4 standards and fits laptops that accept 260-pin SO-DIMM modules, providing a direct and compatible memory upgrade.

Suitable for

• Laptops and mobile workstations that accept 260-pin DDR4 SO-DIMM modules
• Users who run multiple applications or browser tabs simultaneously
• Light to moderate content creation, office productivity, and software development tasks
• Systems needing a single 16 GB DIMM or an upgrade to increase total system RAM

Key specifications

• Internal memory: 16 GB
• Memory type: DDR4
• Clock speed: 3200 MHz
• Form factor: 260-pin SO-DIMM
• Voltage: 1.2 V
• Manufacturer part number (MPN): 4X70Z90845
• EAN: 195235139967

How to use

Power off the laptop, disconnect any power sources and remove the battery if applicable. Open the laptop access panel according to the manufacturer’s instructions, locate the existing SO-DIMM slots, and insert the Lenovo 16 GB DDR4 3200MHz module at the recommended angle until the retaining clips engage. Replace the access panel, reconnect power, and boot the system. Check the BIOS/UEFI or operating system memory settings to confirm the module is recognized and running at the expected speed.

Recommendations

Ensure your laptop’s motherboard and BIOS support DDR4 3200MHz SO-DIMM modules and verify maximum supported memory and slot configuration before installation. For best results, install matching modules in dual-channel pairs when the system supports it and update the system BIOS if recommended by the laptop manufacturer.