HP Workstation Z420

HP Z420 Workstation — Overview

The HP Z420 is a mid-range professional workstation that was widely used by engineers, designers, video editors, and scientists. It’s known for reliability, expandability, and strong multi-core performance at an affordable price (especially as refurbished/used hardware)

Key Features

Processor Support

• Supports Intel® Xeon® E5-1600 and E5-2600 series (v1 & v2) processors — from quad-core to high-core parts with strong multi-threaded performance. 

Memory

• Up to 64 GB DDR3 ECC memory in 8 DIMM slots (4-channel architecture). ECC support improves stability for heavy workloads. 

Storage Flexibility

• Supports multiple SATA/SAS HDDs and SSDs (up to 4 internal drives), with optional RAID-0/1/5/10, plus optional PCIe SSDs (Z Turbo or similar). 

Graphics & Expansion

• Multiple PCIe slots allow installation of professional GPUs (e.g., NVIDIA Quadro or AMD Radeon Pro), making it suitable for CAD, visualization, and GPU-accelerated workflows. 

I/O & Build

• Convertible mini-tower chassis with easy upgrade access, USB 3.0/2.0 ports, Gigabit Ethernet, and expansion slots for add-on cards