Frequently asked questions

FAQ | HP Z Workstations

What changes from the HP Z420 to the Z440 do I need to be aware of?

• Integrated 1394a, present on HP Z420, has been removed� This functionality is provided by an optional add-in card�

• 

performance, but will no longer have the option of liquid cooling� However, HP has introduced the HP Z Cooler on the

Z440 and Z840 platforms� The HP Z Cooler decreases the acoustic levels by up to 25% as compared to the standard air

coolers currently used�

• The HP Z420 included 3 internal 3�5” storage bays, whereas the HP Z440 includes 2 internal 3�5” storage bays�

This allows for improved cooling of the new higher-power architecture�

Why do we continue to oer two power supplies (US)?

• 



HP Z640 Tower Workstations

What’s special about the HP Z640 Workstation?

With up to 44 discrete processor cores, the HP Z640 Workstation packs a lot of compute and visualization power into a





What are the at-a-glance features of the HP Z640 Workstation?

• Windows 10 Pro and other editions and downgrades available

• 

• Intel® C612 chipset

• Improved Intel® Hyper-Threading

and Intel® Turbo Boost Technologies

• Intel® vPro™ Technology

• Optional high-performance Thunderbolt™ 2 PCIe card for up to 4x bandwidth of USB 3�0

• Up to 8 DIMM slots, up to 256 GB

of total DDR4 2400 MHz system memory (with 2 CPUs installed)

• 4 USB 3�0 ports on the front and 4 in the rear

• 

• HP Z Turbo Drive G2 PCIe SSD for 4x the performance of SATA SSDs

• 

• HP Remote Graphics Software (HP RGS)

included for high-end screen sharing or remote access to a workstation from

home

For more information, refer to the HP Z640 QuickSpecs and FAQs.

How does the HP Z640 compare to the HP Z620?

• 



previous generation with an optional Thunderbolt™ 2 PCIe add-in card and six SATA 6 GB/s ports�

What changes from the HP Z620 to the HP Z640 do I need to be aware of?

• Integrated 1394a, present on HP Z620, has been removed� This functionality is provided by an optional add-in card�

• The HP Z620 included 3 internal 3�5” storage bays, whereas the HP Z640 includes 2 internal 3�5” storage bays�

This allows for improved cooling of the new higher-power architecture�

• 

• The HP Z620 included 8 memory DIMM slots on the primary system board, whereas the HP Z640 includes 4 memory

DIMM slots on the primary system board�