PV558AA HP 256MB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 240-Pin DIMM 1.8V Memory Module

Upgrade your classic PC with this high‑speed DDR2 memory module, designed to deliver smooth multitasking and reliable performance for a wide range of legacy systems. Its compact 240‑pin design fits seamlessly into standard sockets, while the low‑profile, 1.8‑volt construction ensures efficient power usage and reduced heat output. Built with non‑ECC, unbuffered technology, this module offers dependable everyday use without the complexity of error‑checking, making it ideal for home and small‑office environments. Whether you’re refreshing an older workstation or adding a quick boost to a gaming rig, this memory upgrade provides the speed and stability you need for a responsive computing experience.