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HP Z840
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HP Z840 8 Core Intel Xeon E5 V3 2.4GHz 16GB 1TB HDD

PC Mag Editor's Choice
8 Intel Xeon E5 V3 2.4GHz 16GB Oct 2014
Processor Core Processor Family Processor Clock Speed Internal Memory Release Date
Push your computing boundaries with the HP Z840 Workstation that helps you keep up with your biggest projects. Built for high-end computing and visualization, it delivers outstanding performance... More
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HP Z840 Workstation Review
HP Z840 Workstation UNBOXING Windows 7 Professional

12 Reasons For

Good Brand

On average HP many processor core personal computers have good reviews as do all computers produced by HP.

64-Bit Processor Operating Mode

This computer supports a 64-bit processor operating mode, which is the most commonly supported processor operating mode on personal computers of this age and spec.

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Two CPUs Configuration (max)

The HP Z840 takes more CPUs configuration (max) than most of the many processor core personal computers that have been on the market for more than two years. This computer is a personal computer that takes two CPUs configuration (max) compared to most of the many processor core personal computers that are a comparable age to the Z840 which only take one CPU configuration (max).

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Fairly Big Max Internal Memory Supported Processor

The max internal memory supported processors of many processor core personal computers that are a comparable age to the Z840 range from 64GB to 770GB, and the average max internal memory supported processor is 630GB. The HP Z840 has one of the bigger max internal memory supported processors (768 gigabytes) amongst many processor core personal computers of this age.

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Quite Fast Memory Clock Speed Supported by Processor

The slowest memory clock speed supported by processor of comparable spec PCs that came out more than two years ago is 800MHz, the fastest is 1,600MHz, and the average memory clock speed supported by processor is 1,100MHz. The HP Z840 has one of the faster memory clock speeds supported by processors (1,600 megahertz) amongst many processor core personal computers of this age.

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Fairly Big Total Storage Capacity

Desktop computers of a similar age and spec to the Z840 have total storage capacity of between 180GB and 8.3TB, and the average total storage capacity is 800GB. The HP Z840 has a quite big total storage capacity (1,000 gigabyte) compared to most of the other many processor core personal computers that are a comparable age to the Z840.

Other 1TB total storage capacity computers currently available that you might also want to consider include cheaper computers such as the HP Z420[plb_2498184_price].

If this HP PC total storage capacity is too small for you then you might also want to look at the Lenovo P700[plb_2552850_price] (2TB) which is also cheaper.

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Very Big Maximum Internal Memory

The maximum internal memory of the HP Z840 of 512 gigabytes is one of the biggest amongst personal computers of this age and type. The maximum internal memory of many processor core personal computers that are a similar age to the Z840 range from 32GB to 520GB.

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DDR4-SDRAM Internal Memory Type

The HP Z840 has a DDR4-SDRAM internal memory type which is newer than the DDR3-SDRAM internal memory type found on most desktop computers that came out around the same time as it.

A DDR4-SDRAM internal memory type is in fact the best internal memory type across all computers that were released more than two years ago.

The worst internal memory type across comparable types of computer is DDR3-SDRAM.

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Eight USB 3.0 Ports

The HP Z840 is a eight USB 3.0 port computer.

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Three PCI Express X16 (Gen 3.x) Slots

The HP Z840 is a three PCI Express x16 (Gen 3.x) slot personal computer.

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Has One Memory Slot

The HP Z840 has a greater number of memory slots than most many processor core personal computers that are a comparable age to it. The most commonly found memory slot is 4x DIMM, but this memory slot is not found on this desktop computer. The memory slots 8x DIMM are also found on this personal computer.

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DVD Super Multi Optical Drive Type

The optical drive type of this PC is DVD Super Multi, which is the most commonly found optical drive type on personal computers of this type and age.

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6 Reasons Against

Quite Slow Processor Clock Speed

The average processor clock speed of many processor core personal computers that were released around the same time as the Z840 is 2.9GHz. With a processor clock speed of only 2.4 gigahertz, the HP Z840 has a quite slow processor clock speed compared to most of the other many processor core personal computers that were released more than two years ago.

If you want a PC with a faster processor clock speed then you might also want to look at the Lenovo P700[plb_2552838_price] (2.6GHz and cheaper), or the HP Z440[plb_2744765_price] (3.5GHz and cheaper).

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Only Two USB 2.0 Ports

The HP Z840 is a two USB 2.0 port computer. Most of the other desktop computers of this age and type have between two and nine USB 2.0 ports.

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Quite Slow Max Memory Bandwidth Supported Processor

With a max memory bandwidth supported processor of only 59 gigabytes per second, the HP Z840 has a quite slow max memory bandwidth supported processor compared to most of the other personal computers of a comparable spec and age to the Z840. PCs that were launched around the same time as the Z840 have max memory bandwidth supported processor of between 32GB/s and 68GB/s, and the average max memory bandwidth supported processor is 60GB/s.

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Quite Slow Maximum Turbo Frequency

With a maximum turbo frequency of only 3.2 gigahertz, the HP Z840 has a quite slow maximum turbo frequency compared to most of the other comparable spec desktop computers that have been available for around the same time as the Z840. The maximum turbo frequencies of many processor core personal computers that came out around the same time as the Z840 range from 2.5GHz to 4GHz.

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Only One Ethernet LAN (RJ-45) Port

The HP Z840 is a one Ethernet LAN (RJ-45) port desktop computer. Most of the other computers of a comparable age and spec to the Z840 have one Ethernet LAN (RJ-45) port.

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Heavy

With a weight of 21.1 kilograms, the HP Z840 is fairly heavy compared to most of the other PCs of a similar type and age to the Z840. Many processor core personal computers that are a similar age to the Z840 have weights of between 250g and 30kg, and the average weight is 12kg.

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4 Other reasons to consider the HP Z840

Released Over Two Years Ago

It was over two years ago when HP released the Z840.

Average Internal Memory

The HP Z840 has a fairly average internal memory (16 gigabytes) compared to most of the other desktop computers that have been available for a comparable time to the Z840.

It may also be worth also looking at one of the other 16GB memory PCs currently available including cheaper computers such as the HP Z440[plb_2466558_price].

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Average Hard Drive Capacity

With a hard drive capacity of 1,000 gigabyte, the HP Z840 has a pretty average hard drive capacity compared to most of the other many processor core personal computers that have been available for around the same time as the Z840.

There are a number of alternative 1TB hard drive capacity desktop computers currently available which you might also want to look at including cheaper desktop computers such as the HP Z420[plb_2498184_price].

If this many processor core personal computer hard drive capacity is not big enough for you then you might want to consider the Lenovo P700[plb_2552850_price] (2TB and cheaper).

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HDD Storage Medium

The HP Z840 has an HDD storage medium which is faster than the Flash storage medium found on most similar spec personal computers that were launched more than two years ago. A Hard Disk Drive (HDD) is the traditional storage method for computers. A HDD stores the information on magnetic disks. HDD drives are cheap, but they are slower than Flash and SSD bases storage systems.

There are a number of alternative HDD desktop computers currently available that you might also want to look at including cheaper personal computers such as the P900[pl_2535695_price], or the P900[pl_2535706_price] both from Lenovo or the HP Z420[plb_2498184_price].

If the storage speed of this computer is not fast enough for you then you might also want to look at the HP Z440[plb_2466558_price] (SSD) which is also cheaper.

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Specification

Processor
Processor Core
Processor Family
Processor Clock Speed
PCI Express Slots Version
Processor Thread
System Bus Data Transfer Rate
Processor Cache Level
Processor Cache
Processor Socket
Maximum Turbo Frequency
Processor Model
Processor That Supports ECC
Memory Channel Supported Processor
Max Memory Bandwidth Supported Processor
Memory Clock Speed Supported by Processor
Memory Type Supported Processor
Max Internal Memory Supported Processor
Processor Series
Tcase
PCI Express Lane (maximum)
Stepping
QPI Link
Processor Operating Mode
PCI Express Configuration
Processor Codename
Processor Lithography
Thermal Design Power (TDP)
Bus Type
Processor Cache Type
Processor Installed
Memory
Internal Memory
Error Checking and Correcting (ECC)
Memory Clock Speed
Memory Slot
Memory Layout
Maximum Internal Memory
Internal Memory Type
Storage
Total Storage Capacity
Storage Medium
Hard Drive Capacity
Hard Drive Speed
Hard Drive Interface
Hard Drive
Optical Drive
BD Interface Type
Optical Drive
Optical Drive Type
Graphics
Discrete Graphics Adapter Model
Operating System/software
Operating System
Recovery Operating System
Operating System Architecture
Networking
Cabling Technology
Ethernet LAN Data Rate
Ethernet LAN Connection
Ports & Interfaces
Serial Port
Headphone Out Port
Microphone in Port
Line-Out Port
Line-In Port
Ethernet LAN (RJ-45) Port
PS/2 Port
DisplayPort
DVI Port
USB 3.0 Port
USB 2.0 Port
USB 3.0 (3.1 Gen 1) Type-A Port
Expansion Slots
PCI Express X16 (Gen 3.x) Slot
PCI Express X8 (Gen 3.x) Slot
PCI Express X4 (Gen 3.x) Slot
PCI Express X4 (Gen 2.x) Slot
PCI Express X1 (Gen 2.x) Slot
Design
Chassis Type
5.25" Bay
3.5" Bay
Case Colour
Performance
Audio System
Motherboard Chipset
Product Type
Processor Special Features
Physical Address Extension (PAE)
Intel Hyper-Threading Technology
Intel Turbo Boost Technology
Intel VPro Technology
Intel 64
Enhanced Intel SpeedStep Technology
Intel Secure Key
Intel AES New Instructions
Idle States
OS Guard
Thermal Monitoring Technology
Execute Disable Bit
Intel Trusted Execution Technology
Intel VT-X With Extended Page Tables (EPT)
Intel Virtualization Technology (VT-X)
Instruction Set
Intel Enhanced Halt State
Processor Code
Scalability
Intel Virtualization Technology for Directed I/O
Processor Package Size
CPU Configuration (max)
Physical Address Extension (PAE)
Intel Demand Based Switching
Intel Smart Cache
Intel Secure Key Technology Version
Processor ARK ID
Power
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Certificates
Energy Star Certified
Packaging Content
Mouse Included
Keyboard Supplied

1 Award

PC Mag Editor's Choice

Expert Reviews

(5)
30 September 2015

The HP Z840 workstation is a high-powered business class tower that is a one-stop shop for all aspects of your company. The HP Z840 is powerful enough to handle the work of a CAD, multimedia, or...

Powerful
Fully, customizable, year support
Fullycustomizable
3year support
Incredible expandability
Can get pricey
No WiFi adaptercard installed
Weight
2TB of memory not available until 3rd quarter 2015 when 128 GB DIMMs become available
Expensive
29 September 2015

The HP Z840 workstation is a high-powered business class tower that is a one-stop shop for all aspects of your company. The HP Z840 is powerful enough to handle the work of a CAD, multimedia, or...

25 January 2015

Video editors, rejoice! Hewlett-Packard has come forth with their new HP Z840. Released in August of 2014, the Z840 is built to expand to meet whatever you would like to throw at it. With up to 36... Read more…

20 January 2015

The HP Z840 is a high-end, dual-socket, professional workstation with two octo-core processors, prodigious expansion space, and ISV-certified graphics for your multi-million-dollar projects...

PC Mag

25 November 2014

It's hard to find fault with the HP Z840. If you're a Mac user, you may wonder why there isn't an onboard Thunderbolt connector. HP does support Thunderbolt 2, though that support is limited to an...

User Reviews

(1)
Reviewed 29 April 2016 by BRIAN C.

This is an extremely powerful workstation. However, I wasn't aware that it didn't have onboard or integrated graphics, so I installed an AMD(the cheapest firepro workstation card) and now the... Read more…

IPMI, small form factor, reasonable ESXi 5.0 compatibility
IKVM IPMI
Power consuption
Seems stable
Silent
NI 2 not recognized by ESXi 5.0 (more vmWare's fault than SuperMicro's), Serious BIOS issues, SuperMicro support was not helpful at all. The BIOS revision that my board shipped with 1.1a) has some ve
8GB sticks yet
I would like other PCI slots, but I'm fine. Very expensive server memory. Not good if you have limited budget
I wanted a low power Linux home server and this board is outstanding. If it had one more PCI Express slot it would be beyond perfect
One of the ethernet ports isn't recognized by ESXi and there's no USB 3.0. Knew both of those going in and was willing to accept those absenses knowing that the support for the 2nd ethernet will most

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers hp t4k63, hp t4k31, hp g1x56, hp t4k31e, hp g1x56e, hp t4k63e, hp t4k63et, hp p214838, hp t4k31et, hp g1x56ea, hp g1x56et, hp p231251, hp p233442, hp e52620v3, hp inc z840, hp bd41za00, hp b024za00, hp bd41zs00, hp p214838p, hp t4k31eta, hp g1x56eaa, hp g1x56eta, hp p231251p, hp e52620v4, hp p233442p, hp c9qgza00, hp t4k63eta, hp c9qgzs00, hp b024zs00, hp t4k63etab
Barcodes 00888793852347, 00888793852354, 00889296022626, 00889894878847, 00889899645093, 08887938523472

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Lenovo P900 vs HP Z840

Lenovo P900 vs HP Z840
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HP Z840
8 core Intel Xeon E5 v3 2.4GHz 16GB 1TB HDD
£ 3,366.71 £1,918.59
Expert Reviews Are Appreciably Better
Four USB 2.0 Ports
Two Ethernet LAN (RJ-45) Ports
Three 5.25" Bays
Smaller Internal Memory
Vastly Smaller Maximum Internal Memory

Lenovo Thinkstation P500 vs HP Z840

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