HP Workstations




HP Z640 workstation

Flexible, powerful, ready to work

HP Z640 Workstation

Redefine versatility and flexibility. Expand your capabilities with the HP Z640 Workstation, a system that lets you configure and reconfigure with ease to create your perfect solution. Then concentrate on your work, not your workstation, as you experience powerful performance, whisper-quiet computing, and tool-less access in a conveniently compact design. When every inch, watt, and decibel matter count on the HP Z640 Workstation.

Starting at
Recommended Configuration or Configure to Order
Shop now


Up to


with Intel® Xeon® processors


Whisper quiet




of SATA SSD with

HP Z Turbo Drive


Thunderbolt™ Technology

Thunderbolt Technology

Move data faster than ever.13

HP Z640 Workstation

Power up.

Experience massive workstation power with support for 145W processors powering up to 36 cores in a dual Intel® Xeon® processor configuration3. And take your productivity up a notch with the ability to do more thanks to professional graphics from NVIDIA and AMD10 and support of up to 8 displays10 on one system. The HP Z640 Workstation uses Z DNA to provide a high-end workstation experience at a mid-range price point.

HP Z640 Workstation form factor

View full HP Z640 Workstation specs Hide full specs View full Z640 SFF Workstation specs
Form Factor Rackable minitower
Operating System 1,2
  • Windows 8.1 Pro 64
  • Windows 8.1 Standard 64-bit
  • Windows 7 Professional 64 (available through downgrade rights from Windows 8.1 Pro 64)
  • Windows 7 Professional 64 (National Academic)
  • Ubuntu 14.04
  • HP Installer Kit for Linux
  • Red Hat Enterprise Linux Desktop (Paper license with 1 year support; no preinstalled OS)
Processor Family Intel® Xeon® E5 v3 processor
Processors 3,4
  • Intel® Xeon® E5-2699 v3 (2.3 GHz, 45 MB cache, 18 cores, Intel® vPro)
  • Intel® Xeon® E5-2697 v3 (2.6 GHz, 35 MB cache, 14 cores, Intel® vPro)
  • Intel® Xeon® E5-2695 v3 (2.3 GHz, 35 MB cache, 14 cores, Intel® vPro)
  • Intel® Xeon® E5-2690 v3 (2.6 GHz, 30 MB cache, 12 cores, Intel® vPro)
  • Intel® Xeon® E5-2683 v3 (2.0 GHz, 35 MB cache, 14 cores, Intel® vPro)
  • Intel® Xeon® E5-2680 v3 (2.5 GHz, 30 MB cache, 12 cores, Intel® vPro)
  • Intel® Xeon® E5-2670 v3 (2.3 GHz, 30 MB cache, 12 cores, Intel® vPro)
  • Intel® Xeon® E5-2667 v3 (3.2 GHz, 20 MB cache, 8 cores, Intel® vPro)
  • Intel® Xeon® E5-2660 v3 (2.6 GHz, 25 MB cache, 10 cores, Intel® vPro)
  • Intel® Xeon® E5-2650 v3 (2.3 GHz, 25 MB cache, 10 cores, Intel® vPro)
  • Intel® Xeon® E5-2643 v3 (3.4 GHz, 20 MB cache, 6 cores, Intel® vPro)
  • Intel® Xeon® E5-2640 v3 (2.6 GHz, 20 MB cache, 8 cores, Intel® vPro)
  • Intel® Xeon® E5-2637 v3 (3.5 GHz, 15 MB cache, 4 cores, Intel® vPro)
  • Intel® Xeon® E5-2630 v3 (2.4 GHz, 20 MB cache, 8 cores, Intel® vPro)
  • Intel® Xeon® E5-2623 v3 (3.0 GHz, 10 MB cache, 4 cores, Intel® vPro)
  • Intel® Xeon® E5-2620 v3 (2.4 GHz, 15 MB cache, 6 cores, Intel® vPro)
  • Intel® Xeon® E5-2609 v3 (1.9 GHz, 15 MB cache, 6 cores, Intel® vPro)
  • Intel® Xeon® E5-2603 v3 (1.6 GHz, 15 MB cache, 6 cores, Intel® vPro)
  • Intel® Xeon® E5-1680 v3 (3.2 GHz, 20 MB cache, 8 cores, Intel® vPro)
  • Intel® Xeon® E5-1660 v3 (3.0 GHz, 20 MB cache, 8 cores, Intel® vPro)
  • Intel® Xeon® E5-1650 v3 (3.5 GHz, 15 MB cache, 6 cores, Intel® vPro)
  • Intel® Xeon® E5-1630 v3 (3.7 GHz, 10 MB cache, 4 cores, Intel® vPro)
  • Intel® Xeon® E5-1620 v3 (3.5 GHz, 10 MB cache, 4 cores, Intel® vPro)
  • Intel® Xeon® E5-1607 v3 (3.1 GHz, 10 MB cache, 4 cores, Intel® vPro)
  • Intel® Xeon® E5-1603 v3 (2.8 GHz, 10 MB cache, 4 cores, Intel® vPro)
Chipset Intel® C612
Memory 8
  • 256 GB DDR4-2133 ECC Registered RAM
  • 32 GB DDR4-2133 ECC Load-reduced RAM
  • Actual memory speed dependent on processor. Only Registered and Load-reduced ECC DIMMs are supported.
  • 4 DIMM (with 1 processor) and 8 DIMM (with 2 processors)
Internal Storage 5
  • 300 GB up to 600 GB SAS (15000 rpm)
  • 300 GB up to 1.2 TB SAS (10000 rpm)
  • 500 GB up to 3 TB SATA (7200 rpm)
  • 500 GB SATA SED (7200 rpm)
  • 128 GB up to 1 TB SATA SSD
  • 256 GB SATA SE SSD
  • 256 GB up to 512 GB HP Z Turbo Drive (PCIe SSD)
Optical Storage 6,7 Slim SATA DVD-ROM; Slim SATA SuperMulti DVD writer; Slim SATA Blu-ray writer
Additional Storage 1 15-in-1 media card reader (optional)
Available Graphics
  • Professional 2D: NVIDIA NVS 310 (512 MB); NVIDIA NVS 315 (1 GB); NVIDIA NVS 510 (2 GB)
  • Entry 3D: NVIDIA Quadro K420 (1 GB); NVIDIA Quadro K620 (2 GB)
  • Mid-range 3D: NVIDIA Quadro K2200 (4 GB); AMD FirePro W2100 (2 GB); AMD FirePro W5100 (4 GB)
  • High-end 3D: NVIDIA Quadro K4200 (4 GB); NVIDIA Quadro K5200 (8 GB); NVIDIA Quadro K6000 (12 GB); AMD FirePro W7100 (8 GB)
Audio Integrated Realtek HD ALC221
Communications 9 Integrated Intel I218LM PCIe GbE; Intel I210-T1 PCIe GbE (optional); HP X540 10 GbE Dual Port Adapter (optional); HP X520 10 GbE Dual Port Adapter (optional); HP 10 GbE SFP+SR Transceiver (optional); HP 361T PCIe dual-port gigabit (optional); Intel 7260 802.11a/b/g/n PCIe WLAN (optional)
Expansion Slots 2 PCIe Gen3 x16; 1 PCIe Gen3 x8 (open-ended); 1 PCIe Gen2 x4 (open-ended); 1 PCIe Gen2 x1 (open-ended); 1 PCI Open-ended connector allows a greater bandwidth card to be installed physically into a lower bandwidth connector/slot.
Ports and Connectors
  • Front: 4 USB 3.0; 1 headset; 1 microphone
  • Rear: 4 USB 3.0; 2 USB 2.0; 2 PS/2; 1 RJ-45; 1 audio line in; 1 audio line out
  • Internal: 1 USB 2.0; 1 USB 3.0 Internal USB 2.0 available by the 2x5 header. Internal USB 3.0 available by the 2x10 header.
Drive Bays (Internal) Two 3.5"
Drive Bays (External) Two 5.25"; One slim ODD
Input Devices 10 HP PS/2 Keyboard; HP USB Keyboard; HP USB SmartCard Keyboard; HP Wireless Keyboard and Mouse; HP PS/2 Mouse; HP USB Optical Mouse; HP USB 1000 dpi Laser Mouse; HP USB Optical 3-Button Mouse; HP SpaceMouse Pro USB 3D Controller; HP SpacePilot Pro 3D USB Intelligent Controller
Software 14,15 HP Performance Advisor; HP Remote Graphics Software (RGS); Cyberlink Power2Go & PowerDVD; Foxit PhantomPDF Express; Buy Office
Security 10 HP Solenoid Hood Lock & Hood Sensor; HP Business PC Security Lock Kit; TPM 1.2 certified
Power 925 W 90% efficient, active PFC
Dimensions (H x W x D)
  • 6.75 x 18.3 x 17.5 in
  • 17.5 x 46.48 x 44.45 cm
  • 33.1 lb
  • 15 kg
  • (Exact weight depends upon configuration.)
Environmental Certification 11 Low halogen
Energy Efficiency Compliance 12 ENERGY STAR® qualified and EPEAT® registered configurations available
Compatible Displays HP Z Display Z30i 30-inch IPS LED Backlit Monitor; HP Z Display Z27i 27-inch IPS LED Backlit Monitor; HP Z Display Z24i 24-inch IPS LED Backlit Monitor; HP Z Display Z23i 23-inch IPS LED Backlit Monitor; HP Z Display Z22i 21.5-inch IPS LED Backlit Monitor; HP DreamColor Z27x Professional Display; HP DreamColor Z24x Professional Display
Warranty Protected by HP Services, including a limited 3 years parts, 3 years labor, and 3 years onsite service (3/3/3) standard warranty. Certain restrictions and exclusions apply.

HP Z640 Workstation performance

Versatility redefined.

Build the perfect workstation for your needs. The HP Z640 Workstation, featuring Windows 8.11 or Linux, provides incredible expansion in a small footprint. Get the storage, performance, and freedom you need to create with up to 8 memory DIMMs, up to 4 internal hard drives, and built in USB and SATA ports. With the innovative HP Z Turbo Drive10 set a new performance curve as you revolutionize how you handle large files and reduce boot up, calculation, and graphics response time. And thanks to Thunderbolt 13 technology, you'll transfer data at lightning-fast speeds with the ability to connect to high-resolution displays and high-performance data devices over a single Thunderbolt cable.

Created with you in mind.

Concentrate on your work using a workstation that is whisper quiet. The tool-free chassis of the HP Z640 boasts low acoustics, a single integrated Gb Ethernet, front and rear handles, and is 4U rack mountable—all in a conveniently compact design. And optimize your HP Z640 for peak performance with HP Performance Advisor14, your own personal system engineer, which automatically configures your system with updated settings and drivers to help maximize performance.

HP Z640 Workstation chassis

Screen images courtesy of Bentley

© Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

Intel, Intel Logo, Intel Core, Intel Inside, Intel Inside Logo, Xeon, and Xeon Inside are trademarks of Intel Corporation in the U.S. and/or other countries.

  1. Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers and/or software to take full advantage of Windows functionality. See http://www.microsoft.com  External link .
  2. This system is preinstalled with Windows 7 Professional software and also comes with a license and media for Windows 8.1 Pro software. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version and install the other version. You must back up all data (files, photos, etc.) before uninstalling and installing operating systems to avoid loss of your data.
  3. Multi-Core is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. 64-bit computing system required. Performance will vary depending on your hardware and software configurations. Intel’s numbering is not a measurement of higher performance.
  4. Some vPro functionality of this technology, such as Intel® Active management technology and Intel Virtualization technology, requires additional 3rd party software in order to run. Availability of future "virtual appliances" applications for Intel vPro technology is dependent on 3rd party software providers. Microsoft Windows required.
  5. For hard drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 20 GB of system disk is reserved for Windows 7 and higher system recovery software.
  6. Duplication of copyrighted material is strictly prohibited. Actual speeds may vary. Double Layer media compatibility will widely vary with some home DVD players and DVD-ROM drives. Note that DVD-RAM cannot read or write to 2.6GB Single Sided/5.2 Double Sided-Version 1.0 Media.
  7. With Blu-ray, certain disc, digital connection, compatibility and/or performance issues may arise, and do not constitute defects in the product. Flawless playback on all systems is not guaranteed. In order for some Blu-ray titles to play, they may require a DVI or HDMI digital connection and your display may require HDCP support. HD-DVD movies cannot be played on this Desktop PC.
  8. Only Registered and LR ECC DIMMs are supported. Do not install memory modules into memory slots if corresponding processor is not installed. Dual processor configurations with memory modules installed for only one processor is not supported. RDIMM (Registered) and LRDIMM (Load Reduced) memory cannot be mixed. All memory installed in the system must be either RDIMM or LRDIMM.
  9. Wireless cards are optional or add-on features and requires separately purchased wireless access point and internet service. Availability of public wireless access points limited.
  10. Optional or add-on feature
  11. External power supplies, power cords, cables and peripherals are not low halogen. Service parts obtained after purchase may not be low halogen.
  12. EPEAT® registered where applicable. EPEAT registration varies by country. See www.epeat.net  External link for registration status by country.
  13. Thunderbolt is an optional or after-market feature. Thunderbolt cable and Thunderbolt device (sold separately) must be compatible with Windows. To determine whether your device is Thunderbolt Certified for Windows, see https://thunderbolttechnology.net/products  External link .
  14. HP Performance Advisor requires Windows and Internet access.
  15. HP Remote Graphics Software requires Windows and an internet connection.