Form Factor Rackableminitower
Available Operating Systems1,2
Windows 8.1 Pro 64
Windows 7 Professional 64 (availablethrough downgrade rights from Windows 8.1 Pro 64)
Windows 7 Professional 64 (NationalAcademic)
HP Installer Kit for Linux
Processor Family Intel® Xeon® E5 v3 processor
Processors3,4
Intel® Xeon® E5-2699 v3 (2.3 GHz, 45 MBcache, 18 cores, Intel® vPro™)
Intel® Xeon® E5-2697 v3 (2.6 GHz, 35 MBcache, 14 cores, Intel® vPro™)
Intel® Xeon® E5-2695 v3 (2.3 GHz, 35 MBcache, 14 cores, Intel® vPro™)
Intel® Xeon® E5-2690 v3 (2.6 GHz, 30 MBcache, 12 cores, Intel® vPro™)
Intel® Xeon® E5-2687W v3 (3.1 GHz, 25 MBcache, 10 cores, Intel® vPro)
Intel® Xeon® E5-2683 v3 (2.0 GHz, 35 MBcache, 14 cores, Intel® vPro™)
Intel® Xeon® E5-2680 v3 (2.5 GHz, 30 MBcache, 12 cores, Intel® vPro™)
Intel® Xeon® E5-2670 v3 (2.3 GHz, 30 MBcache, 12 cores, Intel® vPro™)
Intel® Xeon® E5-2667 v3 (3.2 GHz, 20 MBcache, 8 cores, Intel® vPro™)
Intel® Xeon® E5-2660 v3 (2.6 GHz, 25 MBcache, 10 cores, Intel® vPro™)
Intel® Xeon® E5-2650 v3 (2.3 GHz, 25 MBcache, 10 cores, Intel® vPro™)
Intel® Xeon® E5-2643 v3 (3.4 GHz, 20 MBcache, 6 cores, Intel® vPro™)
Intel® Xeon® E5-2640 v3 (2.6 GHz, 20 MBcache, 8 cores, Intel® vPro™)
Intel® Xeon® E5-2637 v3 (3.5 GHz, 15 MBcache, 4 cores, Intel® vPro™)
Intel® Xeon® E5-2630 v3 (2.4 GHz, 20 MBcache, 8 cores, Intel® vPro™)
Intel® Xeon® E5-2623 v3 (3.0 GHz, 10 MBcache, 4 cores, Intel® vPro™)
Intel® Xeon® E5-2620 v3 (2.4 GHz, 15 MBcache, 6 cores, Intel® vPro™)
Intel® Xeon® E5-2609 v3 (1.9 GHz, 15 MBcache, 6 cores, Intel® vPro™)
Intel® Xeon® E5-2603 v3 (1.6 GHz, 15 MBcache, 6 cores, Intel® vPro™)
Chipset Intel®C612

Memory12,13
512 GB DDR4-2133 ECC Registered RAM
32 GB DDR4-2133 ECC Load-reduced RAM
Actual memory speed dependent on processor.Registered and load-reduced DIMMS may not be mixed.
8 DIMM (with 1 processor) and 16 DIMM (with2 processors)
Internal Storage5
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
128 GB up to 1 TB SATA SSD
256 GB SATA SE SSD
256 GB up to 512 GB HP Z Turbo Drive (PCIeSSD)
Optical Storage6,7 Slim SATA DVD-ROM; Slim SATA SuperMulti DVD writer; Slim SATABlu-ray writer

(Exact weight depends upon configuration.)
Environmental Certification11 Low halogen
Energy Efficiency Compliance10 ENERGY STAR® qualified and EPEAT®registered configurations available
Compatible Displays HP Z Display Z30i 30-inch IPS LED Backlit Monitor; HP ZDisplay Z27i 27-inch IPS LED Backlit Monitor; HP Z Display Z24i 24-inch IPS LEDBacklit Monitor; HP Z Display Z23i 23-inch IPS LED Backlit Monitor; HP ZDisplay Z22i 21.5-inch IPS LED Backlit Monitor; HP DreamColor Z27x ProfessionalDisplay; HP DreamColor Z24x Professional Display
Warranty Protectedby HP Services, including a limited 3 years parts, 3 years labor, and 3 yearsonsite service (3/3/3) standard warranty. Certain restrictions and exclusionsapply.

妈呀，这段话说完就有15个经验，不信你试试……

Z840有鸡血BIOS吗？