2GB (2x1GB) DDR2 667 Server Memory FOR P6 520 550 — 77P6498 4521

Replacement server memory kit compatible with FOR P6 520 and P6 550 systems. This 2GB kit contains two 1GB modules (2x1GB) running at DDR2 667 MHz. Listed with part numbers 77P6498 and 4521, it’s intended for server upgrades or spare replacement in supported P6 520/550 configurations.