Performance you want. Value you need. Maintain professional expandability in an accessible, tool-free mini-tower form factor—all at a great price. With support for next-generation Intel® Xeon® processor families, the latest graphics technology, and increased I/O expandability, the HP Z420 has the power you need to get the job done.


  • Windows 8.1 Pro or other operating systems available

Intelligent, business-forward design.

  • Quickly and easily swap out parts or make upgrades on your own. The HP Z420 Workstation features a smart chassis design built for tool-less access to the inside and easy configurability.
  • With optional liquid cooling, your workstation is designed for whisper-quiet performance and a smooth, daily work flow.

Maximum performance.

  • Bring power and performance to the next level with the all new E5-1680 v2 8-core processor and Intel® C602 chipset.
  • Achieve up to an 86% increase in memory bandwidth over previous generation HP workstations. Support up to 64 GB of the latest generation of system memory with 8 DIMM slots and integrated 1,866MHz DDR3 memory subsystem.
  • Take advantage of a 600 W 90% efficient power supply ideal for high-end graphics and GPU compute solutions.
  • Connect in a flash with 4X USB 3.0 bandwidth on an optional high-performance ThunderboltTM 2.0 port on the HP Z420.

Uncompromised graphics, increased productivity.

  • Built to support next generation PCIe Gen3 graphics, the HP Z420 currently offers a breadth of AMD and NVIDIA professional graphics card options from Pro 2D to high-end 3D, up to the NVIDIA Quadro 6000.
  • Access high-performance applications, including 2D and 3D video, on-site or from a remote location with HP Remote Graphics software.
  • Increase productivity and spread out with the freedom of seeing and doing more all at once with support for multiple displays at peak HD resolutions.

Customized to work for you.

  • Build the HP Z420 Workstation the way you want with multiple SATA and SAS RAID configuration options that support a wide range of high-performance, high capacity storage solutions.
  • Get the flexibility you need with support for a wide range of internal HDD/ODD and external SATA devices.

Complete Peace of Mind.

  • With ISV-certifications and 115,000 hours of testing in the HP Total Test Process, the HP Z420 is reliable and ready for business.
  • HP workstations offer low-halogen and ENERGY STAR® qualified configurations featuring efficient power supplies.
  • HP Performance Advisor configures your system with updated settings and drivers to help maximize performance.
  • Relax with a standard, 3-year limited warranty. Choose optional HP Care Pack Services to extend your service.
System Features

Operating system

  • Windows 8.1 Pro 64
  • Windows 8.1 Single Language 64
  • Windows 7 Professional 64 (available through downgrade rights from Windows 8.1 Pro 64)
  • Windows 7 Professional 32 (available through downgrade rights from Windows 8.1 Pro 64)
  • Windows 8 Pro 64
  • Windows 8 Single Language 64
  • Windows 7 Professional 32 (available through downgrade rights from Windows 8 Pro 64)
  • Windows 7 Professional 64 (available through downgrade rights from Windows 8 Pro 64)
  • Windows 7 Ultimate 64
  • Windows 7 Professional 32
  • Windows 7 Professional 64
  • HP Installer Kit for Linux
  • SUSE Linux Enterprise Desktop 11

(HP Linux Installer Kit includes drivers for both 32-bit & 64-bit OS versions of Red Hat Enterprise Linux WS5 and WS6 and SUSE Linux Enterprise Desktop 11 64-bit. Red Hat Enterprise Linux: Software is not loaded on hard drive. URL and software license number for downloading latest version is included in box.)

Processor family

  • Intel® Xeon® E5 processor


  • Intel® Xeon® E5-2650 v2 (2.6 GHz, 20 MB cache, 8 cores)
  • Intel® Xeon® E5-1680 v2 (3 GHz, 25 MB cache, 8 cores)
  • Intel® Xeon® E5-1660 v2 (3.7 GHz, 15 MB cache, 6 cores)
  • Intel® Xeon® E5-1650 v2 (3.5 GHz, 12 MB cache, 6 cores)
  • Intel® Xeon® E5-1620 v2 (3.7 GHz, 10 MB cache, 4 cores)
  • Intel® Xeon® E5-1607 v2 (3 GHz, 10 MB cache, 4 cores)
  • Intel® Xeon® E5-1620 (3.6 GHz, 10 MB cache, 4 cores)
  • Intel® Xeon® E5-1603 (2.8 GHz, 10 MB cache, 4 cores)


  • Intel® C602

Form factor

  • Convertible Minitower

Maximum memory

  • 64 GB 1600 MHz DDR3 Unbuffered SDRAM
  • (Actual memory speed is dependent on processor.)

Memory slots

    • 8 DIMM

Internal drive bays

      • Three 3.5″

External drive bays

  • Three 5.25″

Internal drive

  • 300 GB up to 600 GB SAS (15000 rpm)
  • 300 GB up to 1.2 TB SAS (10000 rpm)
  • 250 GB up to 1 TB SATA (10000 rpm)
  • 500 GB up to 3 TB SATA (7200 rpm)
  • 120 GB up to 512 GB SATA SSD
  • 256 GB SATA SE SSD

Storage controller

    • Integrated SATA 6.0 Gb/s
    • Integrated SATA 3.0 Gb/s
    • LSI 9217-4i4e 8-port SAS 6.0 Gb/s RAID (optional)
    • LSI MegaRAID® 9260-8i SAS 6.0 Gb/s ROC RAID and iBBU08 Battery Backup Unit (optional)
    • LSI MegaRAID® 9270-8i SAS 6.0 Gb/s ROC RAID Card and iBBU09 Battery Backup Unit (optional)

Optical drive

      • SATA Blu-ray writer
      • SATA SuperMulti DVD+/-RW
      • SATA DVD-ROM


Professional 2D:

      • NVIDIA NVS 310 (512 MB)
      • NVIDIA NVS 315 (1 GB)
      • NVIDIA NVS 510 (2 GB)

Entry 3D:

      • NVIDIA Quadro 410 (512 MB)
      • NVIDIA Quadro K600 (1 GB)
      • AMD FirePro V3900 (1 GB)

Midrange 3D:

      • NVIDIA Quadro K2000 (2 GB)

High-end 3D:

      • NVIDIA Quadro K4000 (3 GB)
      • NVIDIA Quadro K5000 (4 GB)
      • AMD FirePro W7000 (4 GB)
      • NVIDIA Quadro K6000 (12 GB)

High Performance GPU Computing:

      • NVIDIA Tesla K40
      • NVIDIA Tesla K20c


      • 4 USB 3.0
      • 5 USB 2.0
      • 2 IEEE 1394a
      • 2 PS/2
      • 1 RJ-45
      • 2 microphone
      • 1 audio line out
      • 1 audio line in
      • 1 headphone

(HP Thunderbolt 2 1-port PCIe card (optional); HP IEEE 1394b FireWire PCIe card (optional); 6 internal USB 2.0 available by 3 separate 2×5 headers)

Expansion slots

      • 2 PCIe Gen3 x16
      • 1 PCIe Gen3 x8
      • 1 PCIe Gen2 x8 (x4)
      • 1 PCIe Gen2 x4 (x1)
      • 1 PCI
      • 1 14-in-1 media card reader (optional)

(The PCIe x8 connectors are open ended, allowing a PCIe x16 card to be seated in the slot.)


Network interface

      • Integrated Intel 82579LM PCIe Gigabit Ethernet Controller
      • Broadcom NetXtreme Gigabit Ethernet Plus PCIe NIC (optional)
      • Intel Gigabit CT Desktop NIC (optional)
      • HP 361T PCIe Dual-Port Gigabit NIC (optional)
      • Intel Ethernet I210-T1 PCIe NIC (optional)
      • HP Wireless 802.11 b/g/n PICe NIC (optional)
      • HP X520 10GbE Dual-Port Adapter (optional)
      • HP 10GbE SFP+ SR Transceiver (optional)


      • Integrated High Definition Realtek ALC262 Audio
      • Creative Recon3D PCIe Audio Card (optional)

HP Thin USB Powered Speakers (optional)


Energy efficiency

      • ENERGY STAR® qualified configurations available

Power supply

      • 600 W 90% efficient, wide-ranging, active PFC
      • 400 W 90% efficient, wide-ranging, active PFC

Minimum dimensions (W x D x H)

      • 17.78 x 44.52 x 44.76 cm


      • Starting at 12.5 kg


      • HP Performance Advisor
      • HP Remote Graphics Software (RGS) V5
      • HP ProtectTools Security (available as configurable option)
      • HP Power Assistant
      • PDF Complete – Corporate Edition (for Windows operating systems only)
      • Cyberlink PowerDVD/Power2Go
      • Office Home & Business 2013 (available as configurable option)

Security management

      • Padlock Support (standard – padlock optional)
      • Cable Lock Support (standard – cable optional)
      • Universal Chassis Clamp Lock (optional)
      • Serial, Parallel, USB, Audio, Network Enable/Disable (standard)
      • Removable Media Write/Boot Control (standard)
      • Power-On Password (standard)
      • Setup Password(standard)
      • Solenoid Lock and Hood Sensor (optional)


    • On-site Warranty and Service: Three-years, limited warranty and service offering delivers on-site, next business-day service for parts and labor and includes free telephone support 8am – 5pm.