Lenovo DDR4 - modulo - 8 GB - SO DIMM 260-PIN - 3200 MHz / PC4-25600 - 1.2 V - unbuffered - non-ECC - per ThinkCentre M70q; M80q; M90a; M90q; ThinkPad

The Lenovo Memory Module DDR4 8GB 3200MHz (MPN 4X70Z90844, EAN 195235139943) is a 260-pin SO-DIMM designed for laptops. This 8 GB DDR4 3200 MHz module operates at 1.2 V and replaces or expands existing memory to improve system responsiveness and multitasking capacity in compatible notebooks.

Advantages

This SO-DIMM module provides a straightforward capacity upgrade to 8 GB of DDR4 RAM at 3200 MHz, offering faster data access and improved application performance compared with lower-speed or lower-capacity modules. The 260-pin form factor and standard 1.2 V voltage ensure compatibility with many modern laptop motherboards that support DDR4 SO-DIMM memory.

Suitable for

• Upgrading laptop memory to improve multitasking
• Replacing a faulty or missing SO-DIMM module
• Boosting responsiveness for everyday productivity and web browsing

Key specifications

• Brand: Lenovo
• Model / MPN: 4X70Z90844
• EAN: 195235139943
• Capacity: 8 GB
• Type: DDR4
• Speed: 3200 MHz
• Form factor: 260-pin SO-DIMM
• Voltage: 1.2 V

How to use

Power off the laptop and disconnect all power sources, including the battery if removable. Open the access panel according to the laptop manufacturer’s instructions, locate the SO-DIMM slot, and gently insert the module at an angle until the retaining clips click into place. Reassemble the laptop, reconnect power, and verify that the operating system recognizes the new 8 GB of DDR4 3200 MHz memory in system settings or BIOS.

Recommendations

Ensure the laptop supports DDR4 SO-DIMM 3200 MHz modules and check the maximum supported memory per slot and total system memory in the laptop manual before installation. If uncertain, update BIOS to the latest version and consult the laptop manufacturer for compatibility details.