Redefine versatility and flexibility. Expand your capabilities with HP’s Z640 Workstation offering powerful performance, whisper-quiet computing, and tool-less access in compact design.
Power up
Experience massive workstation power with support for 145W processors powering up to 36 cores in a dual Intel® Xeon® processor configuration.[3] The HP Z640 Workstation uses Z DNA to provide a high-end workstation experience.
Versatility redefined
Build the perfect workstation for your needs. The HP Z640 Workstation featuring Windows 8.1[1] provides incredible expansion in a small footprint. With up to 8 memory DIMMs, up to 4 internal hard drives, optional Thunderbolt™ 2,[4] and the HP Z Turbo Drive, you get storage, performance, and the freedom to create.
Experience the quiet
Concentrate on your work using a workstation that is whisper quiet. When every inch, watt, and decibel makes a difference, count on the HP Z640 Workstation.
Return & exchange information
HP.com will accept returns or exchanges for this product up to 30 days after delivery.
Product specifications
Operating system
Windows 10 Pro 64 - HP recommends Windows 10 Pro.
Windows 10 Home 64
Windows 7 Professional 64 (available through downgrade rights from Windows 10 Pro)
Processor
Intel® Xeon® E5-1603v3 2.80GHz 10MB 1866 4C CPU
Intel® Xeon® E5-1603v4 2.80GHz 10MB 2133 4C CPU
Intel® Xeon® E5-1607v4 3.10GHz 10MB 2133 4C CPU
Intel® Xeon® E5-2603v4 1.7 1866 6C 1st CPU
Intel® Xeon® E5-2609v4 1.7 1866 8C 1st CPU
Intel® Xeon® E5-1620v3 3.50GHz 10MB 2133 4C CPU
Intel® Xeon® E5-1620v4 3.50GHz 10MB 2400 4C CPU
Intel® Xeon® E5-2620v3 2.4 1866 6C 1st CPU
Intel® Xeon® E5-2620v4 2.1 2133 8C 1st CPU
Intel® Xeon® E5-1630v3 3.70GHz 10MB 2133 4C CPU
Intel® Xeon® E5-1630v4 3.70GHz 10MB 2400 4C CPU
Intel® Xeon® E5-2623v4 2.6 2133 4C 1st CPU
Intel® Xeon® E5-1650v4 3.60GHz 15MB 2400 6C CPU
Intel® Xeon® E5-2630v3 2.4 1866 8C 1st CPU
Intel® Xeon® E5-2630v4 2.2 2133 10C 1st CPU
Intel® Xeon® E5-2640v4 2.4 2133 10C 1st CPU
Intel® Xeon® E5-2637v4 3.5 2400 4C 1st CPU
Intel® Xeon® E5-1660v4 3.20GHz 20MB 2400 8C CPU
Intel® Xeon® E5-2650v4 2.2 2400 12C 1st CPU
Intel® Xeon® E5-2660v4 2.0 2400 14C 1st CPU
Intel® Xeon® E5-2643v3 3.4 2133 6C 1st CPU
Intel® Xeon® E5-2643v4 3.4 2400 6C 1st CPU
Intel® Xeon® E5-2680v4 2.4 2400 14C 1st CPU
Intel® Xeon® E5-1680v4 3.40GHz 20MB 2400 8C CPU
Intel® Xeon® E5-2683v4 2.1 2400 16C 1st CPU
Intel® Xeon® E5-2667v4 3.2 2400 8C 1st CPU
Intel® Xeon® E5-2690v4 2.6 2400 14C 1st CPU
Intel® Xeon® E5-2695v4 2.1 2400 18C 1st CPU
Intel® Xeon® E5-2697v4 2.3 2400 18C 1st CPU
Intel® Xeon® E5-2699v4 2.2 2400 22C 1st CPU
Secondary processor
Intel® Xeon® E5-2603v4 1.7 1866 6C 2nd CPU
Intel® Xeon® E5-2609v4 1.7 1866 8C 2nd CPU
Intel® Xeon® E5-2620v3 2.4 1866 6C 2nd CPU
Intel® Xeon® E5-2620v4 2.1 2133 8C 2nd CPU
Intel® Xeon® E5-2623v4 2.6 2133 4C 2nd CPU
Intel® Xeon® E5-2630v3 2.4 1866 8C 2nd CPU
Intel® Xeon® E5-2630v4 2.2 2133 10C 2nd CPU
Intel® Xeon® E5-2640v4 2.4 2133 10C 2nd CPU
Intel® Xeon® E5-2637v4 3.5 2400 4C 2nd CPU
Intel® Xeon® E5-2650v4 2.2 2400 12C 2nd CPU
Intel® Xeon® E5-2660v4 2.0 2400 14C 2nd CPU
Intel® Xeon® E5-2643v3 3.4 2133 6C 2nd CPU
Intel® Xeon® E5-2643v4 3.4 2400 6C 2nd CPU
Intel® Xeon® E5-2680v4 2.4 2400 14C 2nd CPU
Intel® Xeon® E5-2683v4 2.1 2400 16C 2nd CPU
Intel® Xeon® E5-2667v4 3.2 2400 8C 2nd CPU
Intel® Xeon® E5-2690v4 2.6 2400 14C 2nd CPU
Intel® Xeon® E5-2695v4 2.1 2400 18C 2nd CPU
Intel® Xeon® E5-2697v4 2.3 2400 18C 2nd CPU
Intel® Xeon® E5-2699v4 2.2 2400 22C 2nd CPU
ENERGY STAR
ENERGY STAR Qualified Configuration
Chassis
HP Z640 925W 90 Percent Efficient Chassis
Memory
4 GB (1x4 GB) DDR4-2400 Memory (1 CPU)
8GB DDR4-2400 (1x8GB) 1 CPU Registered RAM
8GB DDR4-2133 (1x8GB) 1CPU Registered RAM
8 GB (2x4 GB) DDR4-2400 Memory (1 CPU)
8 GB (2x4 GB) DDR4-2400 Memory (2 CPU)
16GB DDR4-2400 (2x8GB) 1 CPU Registered RAM
16GB DDR4-2400 (2x8GB) 2 CPU Registered RAM
12 GB (3x4 GB) DDR4-2400 Memory (1 CPU)
16GB DDR4-2133 (2x8GB) 1CPU Registered RAM
16GB DDR4-2133 (2x8GB) 2CPU Registered RAM
16GB DDR4-2400 (4x4GB) 1 CPU Registered RAM
16 GB (4x4 GB) DDR4-2400 Memory (2 CPU)
32GB DDR4-2400 (2x16GB) 1 CPU Registered RAM
32GB DDR4-2400 (2x16GB) 2 CPU Registered RAM
32GB DDR4-2400 (4x8GB) 1 CPU Registered RAM
32GB DDR4-2400 (4x8GB) 2 CPU Registered RAM
32GB DDR4-2133 (2x16GB) 1CPU Registered RAM
32GB DDR4-2133 (2x16GB) 2CPU Registered RAM
32GB DDR4-2133 (4x8GB) 1CPU Registered RAM
32GB DDR4-2133 (4x8GB) 2CPU Registered RAM
32 GB (8x4 GB) DDR4-2400 Memory (2 CPU)
64GB DDR4-2400 (4x16GB) 1 CPU Registered RAM
64GB DDR4-2400 (4x16GB) 2 CPU Registered RAM
64GB DDR4-2400 (8x8GB) 2 CPU Registered RAM
64GB DDR4-2133 (4x16GB) 1CPU Registered RAM
64GB DDR4-2133 (4x16GB) 2CPU Registered RAM
64GB DDR4-2133 (8x8GB) 2CPU Registered RAM
96GB DDR4-2400 (6x16GB) 2 CPU Registered RAM
128GB DDR4-2400 (4x32GB) 1 CPU Registered RAM
128GB DDR4-2400 (4x32GB) 2 CPU Registered RAM
128GB DDR4-2400 (8x16GB) 2 CPU Registered RAM
96GB DDR4-2133 (6x16GB) 2CPU Registered RAM
128GB DDR4-2133 (8x16GB) 2CPU Registered RAM
192GB DDR4-2400 (6x32GB) 2 CPU Registered RAM
256GB DDR4-2400 (8x32GB) 2 CPU Registered RAM
Internal storage
500 GB 7200 RPM SATA HDD
500 GB 7200 RPM SATA SFF Opal 1 Self Encrypting (SED) HDD
1 TB 7200 RPM SATA HDD
128 GB SATA SSD
1 TB 7200 RPM SATA 8 GB SSHD (hybrid)
2 TB 7200 RPM SATA HDD
300 GB 10K RPM SAS SFF HDD
256 GB SATA SSD
256 GB SATA Opal 2 Self Encrypting (SED) SSD
1 TB 7200 RPM Enterprise SATA HDD
3 TB 7200 RPM SATA HDD
300 GB 15K RPM SAS SFF HDD
600 GB 10K RPM SAS SFF HDD
240 GB SATA HP Enterprise Class SSD
512 GB SATA SSD
512 GB SATA Self Encrypting (SED) SSD
4 TB 7200 RPM Enterprise SATA HDD
1.2 TB 10K RPM SAS SFF HDD
600 GB 15K RPM SAS SFF HDD
1 TB SATA SSD
480 GB SATA HP Enterprise Class SSD
2 TB SATA SSD
Second internal storage
500 GB 7200 RPM SATA 2nd HDD
1 TB 7200 RPM SATA 2nd HDD
128 GB SATA 2nd SSD
2 TB 7200 RPM SATA 2nd HDD
300 GB 10K RPM SAS SFF 2nd HDD
256 GB SATA 2nd SSD
1 TB 7200 RPM Enterprise SATA 2nd HDD
3 TB 7200 RPM SATA 2nd HDD
300 GB 15K RPM SAS SFF 2nd HDD
600 GB 10K RPM SAS SFF 2nd HDD
240 GB SATA HP Enterprise Class 2nd SSD
512 GB SATA 2nd SSD
4 TB 7200 RPM Enterprise SATA 2nd HDD
1.2 TB 10K RPM SAS SFF 2nd HDD
600 GB 15K RPM SAS SFF 2nd HDD
1 TB SATA 2nd SSD
480 GB SATA HP Enterprise Class 2nd SSD
2TB SATA 2nd SSD
Third internal storage
500 GB 7200 RPM SATA 3rd HDD
1 TB 7200 RPM SATA 3rd HDD
2 TB 7200 RPM SATA 3rd HDD
300 GB 10K RPM SAS SFF 3rd HDD
256 GB SATA 3rd SSD
1 TB 7200 RPM Enterprise SATA 3rd HDD
3 TB 7200 RPM SATA 3rd HDD
300 GB 15K RPM SAS SFF 3rd HDD
600 GB 10K RPM SAS SFF 3rd HDD
240 GB SATA HP Enterprise Class 3rd SSD
512 GB SATA 3rd SSD
4 TB 7200 RPM Enterprise SATA 3rd HDD
1.2 TB 10K RPM SAS SFF 3rd HDD
600 GB 15K RPM SAS SFF 3rd HDD
1 TB SATA 3rd SSD
480 GB SATA HP Enterprise Class 3rd SSD
2 TB SATA 3rd SSD
Fourth internal storage
500 GB 7200 RPM SATA 4th HDD
1 TB 7200 RPM SATA 4th HDD
2 TB 7200 RPM SATA 4th HDD
300 GB 10K RPM SAS SFF 4th HDD
256 GB SATA 4th SSD
1 TB 7200 RPM Enterprise SATA 4th HDD
3 TB 7200 RPM SATA 4th HDD
300 GB 15K RPM SAS SFF 4th HDD
600 GB 10K RPM SAS SFF 4th HDD
240 GB SATA HP Enterprise Class 4th SSD
512 GB SATA 4th SSD
4 TB 7200 RPM Enterprise SATA 4th HDD
1.2 TB 10K RPM SAS SFF 4th HDD
600 GB 15K RPM SAS SFF 4th HDD
1 TB SATA 4th SSD
480 GB SATA HP Enterprise Class 4th SSD
2 TB SATA 4th SSD
Graphics card
No Integrated Graphics - PCIe
NVIDIA NVS 310 1GB 2xDP 1st No cables included Graphics
NVIDIA NVS 315 1GB DMS59 1st DMS59-2xDVI cable Graphics - PCIe
NVIDIA Quadro K420 2GB DL-DVI(I)+DP 1st No cables included Graphics
AMD FirePro W2100 2GB 2xDP 1st No cables included Graphics - PCIe
NVIDIA Quadro K620 2GB DL-DVI(I)+DP 1st No cables included Graphics - PCIe
AMD FirePro W4300 4GB 4xmDP 1st w/4 mDP-DP cables Graphics
NVIDIA Quadro K1200 4GB 4xmDP 1st w/4 mDP-DP cables Graphics
AMD FirePro W5100 4GB 4xDP 1st No cables included Graphics - PCIe
NVIDIA NVS 510 2GB 4x mDP 1st w/4 mDP-DP cables Graphics - PCIe
NVIDIA Quadro K2200 4GB DL-DVI(I)+2xDP 1st No cables included Graphics - PCIe
NVIDIA Quadro M2000 4GB 4xDP 1st No cable included Graphics
AMD FirePro W7100 8GB 4xDP 1st No cables included Graphics - PCIe
Radeon™ Pro WX 7100 (8 GB GDDR5, 4 x Displayport 1.4) No cable included Graphics
NVIDIA Quadro M4000 8GB 4xDP 1st No cable included Graphics
NVIDIA Quadro M5000 8GB DL-DVI(I)+4xDP 1st No cable included Graphics
NVIDIA® QUADRO® P5000 (16 GB GDDR5X, 4 x Displayport 1.4 + DVI-D DL) No cable included Graphics
NVIDIA Quadro M6000 24GB DL-DVI(I)+4xDP 1st No cable included Graphics
NVIDIA® QUADRO® P6000 (24 GB GDDR5X, 4 x Displayport 1.4 + DVI-D DL) No cable included Graphics
Radeon™ Pro WX 7100 (4 GB GDDR5, 4 x Mini-DisplayPort Outputs - Ready for DisplayPort 1.4 HDR) Graphics
Second graphics card
NVIDIA NVS 310 1GB 2xDP 2nd No cables included Graphics
NVIDIA NVS 315 1GB DMS59 2nd DMS59-2xDVI cable Graphics - PCIe
NVIDIA Quadro K420 2GB DL-DVI(I)+DP 2nd No cables included Graphics
AMD FirePro W2100 2GB 2xDP 2nd No cables included Graphics - PCIe
NVIDIA Quadro K620 2GB DL-DVI(I)+DP 2nd No cables included Graphics - PCIe
AMD FirePro W4300 4GB 4xmDP 2nd w/4 mDP-DP cables Graphics
NVIDIA Quadro K1200 4GB 4xmDP 2nd w/4 mDP-DP cables Graphics
AMD FirePro W5100 4GB 4xDP 2nd No cables included Graphics - PCIe
NVIDIA NVS 510 2GB 4x mDP 2nd w/4 mDP-DP cables Graphics - PCIe
NVIDIA Quadro K2200 4GB DL-DVI(I)+2xDP 2nd No cables included Graphics - PCIe
NVIDIA Quadro M2000 4GB 4xDP 2nd No cable included Graphics
AMD FirePro W7100 8GB 4xDP 2nd No cables included Graphics - PCIe
Radeon™ Pro WX 7100 (8 GB GDDR5, 4 x Displayport 1.4) No cable included Graphics
NVIDIA Quadro M4000 8GB 4xDP 2nd No cable included Graphics
NVIDIA Quadro M5000 8GB DL-DVI(I)+4xDP 2nd No cable included Graphics
NVIDIA® QUADRO® P5000 (16 GB GDDR5X, 4 x Displayport 1.4 + DVI-D DL) No cable included Graphics
NVIDIA® QUADRO® P6000 (24 GB GDDR5X, 4 x Displayport 1.4 + DVI-D DL) No cable included Graphics
Radeon™ Pro WX 7100 (4 GB GDDR5, 4 x Mini-DisplayPort Outputs - Ready for DisplayPort 1.4 HDR) 2nd Graphics
Third graphics card
NVIDIA NVS 310 1GB 2xDP 3rd No cables included Graphics
NVIDIA NVS 315 1GB DMS59 3rd DMS59-2xDVI cable Graphics - PCIe
System recovery solutions
Windows 7 Professional 64-bit OS DVD + Driver DVD
Media reader
HP 15-In-1 Media Card Reader
Optical drive
No Included Optical Disc Drive
9.5mm Slim DVD-ROM SATA 1st Optical Disc Drive
9.5 mm Slim DVD-Writer Optical Disc Drive
9.5mm Slim Blu-ray Writer SATA 1st Optical Disc Drive
Secondary optical drive
9.5 mm Slim DVD-Writer 2nd Optical Disc Drive
9.5mm Slim SuperMulti DVDRW SATA 2nd Optical Disc Drive
9.5mm Slim Blu-ray Writer SATA 2nd Optical Disc Drive
Keyboard
HP No Keyboard
HP PS/2 Business Slim Keyboard
HP PS/2 Keyboard
HP USB Business Slim Keyboard
HP USB Keyboard
HP USB CCID Smartcard Keyboard
HP Wireless Business Slim Keyboard and Mouse
HP Wireless Keyboard and Mouse
Mouse
No Included Mouse
HP PS/2 Mouse
HP USB Hardened Mouse
HP USB Optical Mouse
HP USB Optical 3-Button Mouse
HP USB 1000dpi Laser Mouse
3Dconnexion CADMouse
Cable option kits
HP Serial Port Adapter Kit
HP eSATA 2 port PCI Bulkhead Kit
Graphics connectors
HP DisplayPort To DVI-D Adapter
HP DisplayPort To DVI-D Adapter (2-Pack)
HP DisplayPort To VGA Adapter
HP DisplayPort To VGA Adapter 2nd
HP DisplayPort To DVI-D Adapter (4-Pack)
HP DisplayPort To DVI-D Adapter (6-Pack)
NVIDIA SLI Graphics Connector
HP DisplayPort to Dual Link DVI Adapter
High performance GPU computing
NVIDIA Tesla K40 1st Compute Processor - PCIe x2
Internal OS load storage options
Operating System Load to PCIe
Operating System Load to SATA/SAS
Internal PCIe storage
256 GB HP Z Turbo Drive G2 TLC PCIe SSD
256 GB HP Z Turbo Drive G2 Self Encrypting (SED) PCIe SSD
512 GB HP Z Turbo Drive G2 TLC PCIe SSD
512 GB HP Z Turbo Drive G2 PCIe SSD
256 GB HP Z Turbo Drive Quad Pro PCIe SSD
512 GB HP Z Turbo Drive G2 Self Encrypting (SED) PCIe SSD
1 TB HP Z Turbo Drive G2 TLC PCIe SSD
512 GB HP Z Turbo Drive Quad Pro PCIe SSD
1 TB HP Z Turbo Drive Quad Pro PCIe SSD
1 TB HP Z Turbo Drive G2 PCIe SSD
400 GB Intel 750 Series AIC PCIe SSD
800 GB Intel 750 Series AIC PCIe SSD
1.2 TB Intel 750 Series AIC PCIe SSD
Secondary internal PCIe storage
256 GB HP Z Turbo Drive G2 TLC PCIe 2nd SSD
256 GB HP Z Turbo Drive G2 PCIe 2nd SSD
512 GB HP Z Turbo Drive G2 TLC PCIe 2nd SSD
256 GB HP Z Turbo Drive Quad Pro PCIe 2nd SSD
512 GB HP Z Turbo Drive G2 PCIe 2nd SSD
1 TB HP Z Turbo Drive G2 TLC PCIe 2nd SSD
512 GB HP Z Turbo Drive Quad Pro PCIe 2nd SSD
1 TB HP Z Turbo Drive G2 PCIe 2nd SSD
1 TB HP Z Turbo Drive Quad Pro 2nd PCIe SSD
Internal storage options
PCIe Boot w/ HDD/SSD RAID 0 Data Array
RAID 0 Data Array Configuration
RAID 0 Striped Array Configuration
RAID 1 Mirrored Array Configuration
RAID 5 BootHDD+Parity Array Config
RAID 5 Parity Array Configuration
RAID 10 Striped/Mirrored Configuration
Label
FDA Class 1 Medical Device Registration
LAN
Intel(R) Ethernet I210-T1 Network Interface Card - PCIe
HP X520 10GbE Dual Port Adapter - PCIe
LAN Transceivers
HP 10GbE SFP+ SR 1st Transceiver
HP 10GbE SFP+ SR 2nd Transceiver
Intel(R) X540-T2 10GbE Dual Port Adapter - PCIe
Security encryption
Convert TPM to 2.0
Security
HP Solenoid Hood Lock and Hood Sensor
Accessories
HP IEEE 1394b FireWire PCIe Card - PCIe
HP Thunderbolt-2 PCIe 1-port I/O Card - PCIe
Controller
LSI 9217-4i4e 8-port SAS 6Gb/s RAID Card - PCIe
LSI 9270-8i SAS 6Gb/s ROC RAID Card - PCIe
Warranty
Protected by HP Services, including a standard limited 3 years parts, 3 years labor, and 3 years onsite service (3/3/3) warranty. Certain restrictions and exclusions apply.
China CCC compliance
China Regulatory CCC Compliance Mark
FEMP compliance
HP FEMP and ErP Qualifying S5 Low Power Mode Enabled Configuration
External I/O Ports
4 USB 3.0; 1 headset; 1 microphone
4 USB 3.0; 2 USB 2.0; 2 PS/2; 1 RJ-45; 1 audio line in; 1 audio line out
Weight
33.1 lb
- [1] Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows 10 is automatically updated, which is always enabled. ISP fees may apply and additional requirements may apply over time for updates. See http://www.microsoft.com.
- [2] Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. See http://www.microsoft.com.
- [3] This system is preinstalled with Windows 7 Professional software and also comes with a license and media for Windows 10 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.
- [4] 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.
- [5] 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.
- [6] 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.
- [7] For hard drives and solid state drives, 1 GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 30 GB of system disk is reserved for system recovery software.
- [8] 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.
- [9] 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.
- [10] 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.
- [11] 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.
- [12] Optional or add-on feature
- [13] EPEAT® registered where applicable. EPEAT registration varies by country. See www.epeat.net for registration status by country.
- [14] External power supplies, power cords, cables and peripherals are not low halogen. Service parts obtained after purchase may not be low halogen.
- [15] HP Performance Advisor and HP Remote Graphics Software requires Windows and an internet connection.