The 166613‑B21 memory module delivers dependable, high‑performance operation for legacy HP workstations and servers, ensuring smooth multitasking and rapid data access. Engineered with non‑ECC, unbuffered architecture, it provides stable, low‑latency performance ideal for demanding business applications and intensive computing tasks. Its 168‑pin design fits seamlessly into compatible systems, offering a hassle‑free upgrade that extends the life of existing hardware. Built to HP’s rigorous quality standards, this module combines reliability with ease of installation, making it a smart choice for professionals seeking to boost system responsiveness without the complexity of newer technologies.