PCSP P520 Tower Workstation PC - Intel Xeon… vs Lenovo ThinkStation P330 Mini Computer PC… — Head-to-Head (2026)

Our verdict

PCSP P520 Tower Workstation PC - Intel Xeon… is our pick.

For anyone who actually needs workstation-class horsepower in 2026, the PCSP P520 wins because its 6-core Xeon W-2135 runs at 3.7 GHz base / 4.5 GHz turbo with a 900W Platinum PSU and full-length PCIe slots that swallow an RTX 4090 — the Lenovo P330 Tiny's 35W i7-8700T and 2GB Quadro P620 simply can't be expanded into a real rendering or AI rig.

Buy the PCSP P520 if you want a barebones tower to drop a modern GPU and NVMe into for CAD, 3D rendering, video editing, or local AI inference. Buy the Lenovo ThinkStation P330 Tiny if you need a turnkey, ready-to-run compact PC for office work, light CAD, or a multi-monitor business desktop and don't ever plan to add a real graphics card.

SpecPicks editorial verdict, written June 20, 2026. Prices move, so check the current price on each listing before you buy.