HP Z640 Workstation has Haswell-EP Xeon E5 v3 series CPUs and new professional GPUs from AMD and Nvidia.
HP Z640 workstations also feature new DDR4 memory, which runs 14 percent faster than DDR3 memory, HP Z Turbo Drive PCIe storage, which boasts twice the sequential read/write speeds of SATA 6Gb/sec SSDs and Thunderbolt 2, which is said to be four times as fast as USB 3.0
It’s an HP mainstream dual CPU workstation. It’s more of an evolution of the Z620 with a tweaked industrial design so there’s consistency across the whole family of Z workstations – desktop and mobile.
The HP Z640 features a riser board to make it easy to add for users to add a second CPU. it comes with CPU, heatsink and fan already installed.
At 17.5 x 46.48 x 44.45 cm the Z640 is around the same size as the Z440 and has the same façade – slimline optical, flexible bays and plentiful USB 3.0 ports. However, inside it’s more refined, replete with green touch points that indicate serviceable components. Hard drives are tool free and have blind mate connectors.
Power Supply Unit (PSU):
The PSU is not completely cable free like it is on the Z840, but you can still remove with one pull on the handle and tug on a cable.
The PSU is rated at 925W, which means the machine can support two high-end CPUs and GPUs on a single machine.
This is a step up from the Z620, which was limited in some respects due to its 800W PSU, and meant customers that needed dual Quadro K5000-class GPUs were forced to go for a Z820.
The Z640 is primarily a dual CPU workstation and with the new Haswell Xeon E5-2600 v3 series going up to 18 cores per CPU this means the potential for an incredible 36 CPU cores and 72 threads with an Intel Xeon E5-2699 v3 (2.3 GHz, 45 MB cache).
HP also pitches the Z640 as a single processor workstation for customers who may want to add a second CPU as and when needs change.
And HP has made it very easy for upgrades. Rather than having a second CPU socket on the primary system board, the Z640 features a riser board that the customer can slot in, in seconds.
The CPU, heatsink, and fan are already installed so it’s a really ‘elegant way to add a second CPU.
According to HP, this also drives down the cost for single processor configurations and enables it to make the chassis smaller.
The Z640 has 8 DIMM slots (four per CPU), meaning a total of 256GB DDR4-2133 ECC Registered memory. There’s space for four 3.5-inch drives, plus a Z Turbo Drive, providing there’s a spare PCIe slot. The GPU options are identical to the Z440.
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