PHS-memory 32GB DDR5 5600MHz SO-DIMM Memory for Asus ExpertBook PM3406CKA-NZ0021X (SP621509)

The PHS-memory SP621509 module delivers a substantial 32GB capacity in a single SO-DIMM, engineered specifically for the Asus ExpertBook PM3406CKA-NZ0021X. Unlike generic replacements that force you to discard existing memory, this DDR5-5600 stick doubles typical laptop capacity while preserving the original module for future upgrades. Its 2Rx8 dual-rank design and CL46 latency strike a balance between bandwidth and responsiveness, making it a practical choice for demanding multitasking, large spreadsheets, or memory-hungry virtual machines.

Highlights

• 32GB DDR5 SO-DIMM, PC5-44800S, 5600 MHz
• 262-pin, unbuffered, non-ECC, 1.1 V low-power operation
• 2Rx8 dual-rank architecture for stable high-density performance
• Verified compatible with Asus ExpertBook PM3406CKA-NZ0021X
• 44.8 GB/s peak data transfer rate

In daily use

Installation takes only a few minutes: remove the bottom cover, locate the SO-DIMM slot, and insert the module at a 30-degree angle until it clicks. The ExpertBook's BIOS automatically detects the new capacity and speed. With 32GB, you can keep dozens of browser tabs, office suites, and communication tools open simultaneously without swapping to disk. Video editors and developers will appreciate the headroom for large projects, while the 1.1 V operating voltage helps preserve battery life compared to DDR4 alternatives.

Full specifications

• Capacity: 32 GB (1 x 32 GB)
• Memory type: DDR5
• Module type: SO-DIMM 262-pin
• Speed: 5600 MHz (PC5-44800S)
• CAS latency: CL46
• Rank: 2Rx8 (dual rank)
• Voltage: 1.1 V
• Error correction: Non-ECC
• Buffering: Unbuffered
• Data transfer rate: 44.8 GB/s
• Application: Laptop / Notebook
• Compatible device: Asus ExpertBook PM3406CKA-NZ0021X

Final note

Backed by PHS-memory's quality assurance and a lifetime warranty, the SP621509 is a reliable, high-capacity upgrade that extends the useful life of your ExpertBook without compromise.