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HP Z420
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HP Z420 6 Core Intel Xeon E5 3.5GHz 8GB 1TB HDD

6 Intel Xeon E5 3.5GHz 8GB Oct 2014
Processor Core Processor Family Processor Clock Speed Internal Memory Release Date
Performance you want. Value you need. The HP Z420 gives you professional expandability in an accessible tool-free mini-tower form factor all at a great price. With up to 8 discrete processing... More
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10 Reasons For

HP Has Good Computer Reviews

We checked 242 expert and user reviews for HP desktop computers and found that on average HP has good reviews compared to other manufacturers. We also found that HP has good reviews specifically for its many processor core personal computers.

64-Bit Processor Operating Mode

This desktop computer supports a 64-bit processor operating mode, which is the most frequently supported processor operating mode on many processor core personal computers that have been on the market for around the same time as it.

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Quite Fast Processor Clock Speed

Comparable spec personal computers that are a similar age to the Z420 have processor clock speeds of between 1.6GHz and 3.7GHz. The HP Z420 has one of the faster processor clock speeds (3.5 gigahertz) amongst many processor core personal computers of this age.

Alternative 3.5GHz processor clock speed desktop computers currently available which you might also want to look at include the HP Z440[plb_2466558_price] which is cheaper.

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Quite Big Total Storage Capacity

At 1,000 gigabyte, the HP Z420 has a fairly big total storage capacity compared to most of the other desktop computers of this spec and age. Comparable spec computers that were released more than two years ago have total storage capacity of between 180GB and 8.3TB, and the average total storage capacity is 800GB.

If you would prefer a desktop computer with a bigger total storage capacity then you might also want to look at the Lenovo P700[plb_2552850_price] (2TB).

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Four DisplayPorts

The HP Z420 has more DisplayPorts than most of the personal computers of a comparable spec and age to the Z420. Most of the many processor core personal computers that have been on the market for around the same time as the Z420 only have between one and three DisplayPorts, however this personal computer has four DisplayPorts.

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Three 5.25" Bays

The HP Z420 has more 5.25" bays than most of the personal computers of this type and age. This computer is a three 5.25" bay personal computer compared to most of the many processor core personal computers that have been available for around the same time as the Z420 which only have between one and two 5.25" bays.

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Very Fast Maximum Turbo Frequency

The slowest maximum turbo frequency of many processor core personal computers that were released more than two years ago is 2.5GHz, the fastest is 4GHz, and the average maximum turbo frequency is 3.5GHz. The HP Z420 has one of the faster maximum turbo frequencies (3.9 gigahertz) amongst similar spec computers of this age.

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Has One Memory Slot

The number of memory slots found on the HP Z420 is more than most many processor core personal computers that have been around for around the same time as 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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Supports One Case Placement

The number of placements supported by the HP Z420 is more than most many processor core personal computers that have been around for more than two years. This PC supports a Vertical case placement, which is the most frequently supported case placement supported by many processor core personal computers that were released more than two years ago.

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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 frequently found optical drive type on desktop computers of this spec and age.

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10 Reasons Against

Very Slow Memory Clock Speed Supported by Processor

The HP Z420 has a fairly slow memory clock speed supported by processor (only 800 megahertz) compared to most of the other many processor core personal computers that have been on the market for a similar time to the Z420. Across all the computers of a comparable age and spec to the Z420 the memory clock speeds supported by processors range from 800MHz to 1,600MHz.

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Very Small Max Internal Memory Supported Processor

PCs of a comparable age and type to the Z420 have max internal memory supported processors of between 64GB and 770GB. The HP Z420 has a fairly small max internal memory supported processor (only 256 gigabytes) compared to most of the other computers that were released more than two years ago.

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Very Small Internal Memory

The internal memory of comparable spec computers that are a similar age to the Z420 range from 4GB to 64GB. The HP Z420 has a fairly small internal memory (only 8 gigabytes) compared to most of the other many processor core personal computers that came out around the same time as the Z420.

If this HP PC internal memory is too small for you then you might also want to consider the HP Z640[plb_2520401_price] (16GB and cheaper).

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Only One CPU Configuration (max)

Most many processor core personal computers that are a comparable age to the Z420 take one CPU configuration (max), including the HP Z420 which takes one CPU configuration (max).

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Quite Slow Memory Clock Speed

Comparable spec computers that have been around for a similar time to the Z420 have memory clock speeds of between 1,300MHz and 2,200MHz. At only 1,866 megahertz, the HP Z420 has a fairly slow memory clock speed compared to most of the other many processor core personal computers that were released more than two years ago.

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Very Small L3 Cache

PCs of this type and age have L3 caches of between 12MB and 30MB. With a L3 cache of only 12 megabytes, the HP Z420 has one of the smaller L3 caches amongst many processor core personal computers of this age.

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Very Small Processor Cache

With a processor cache of only 12 megabytes, the HP Z420 has one of the smaller processor caches amongst many processor core personal computers of this age. Personal computers of a comparable age and type to the Z420 have processor caches of between 12MB and 30MB.

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Very Small Maximum Internal Memory

The maximum internal memory of personal computers of this spec and age range from 32GB to 520GB. At only 64 gigabytes, the HP Z420 has a fairly small maximum internal memory compared to most of the other similar spec PCs that have been on the market for a comparable time to the Z420.

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Only One Ethernet LAN (RJ-45) Port

Most desktop computers of this type and age have one Ethernet LAN (RJ-45) port, including the HP Z420 which has one Ethernet LAN (RJ-45) port.

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Only 12 Processor Threads

The HP Z420 is a 12 processor thread computer. Most of the other many processor core personal computers that have been on the market for more than two years have between 6 and 23 processor threads.

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3 Other reasons to consider the HP Z420

Released Over Two Years Ago

It was over two years ago when this desktop computer was released.

Average Hard Drive Capacity

At 1,000 gigabyte, the HP Z420 has a relatively standard hard drive capacity compared to most of the other desktop computers of this type and age.

There are a number of alternative 1TB hard drive capacity PCs currently available that you might want to look at including the HP Z640[plb_2520401_price] which is cheaper.

If this desktop computer hard drive capacity is too small for you then you might want to consider the Lenovo P700[plb_2552850_price] (2TB).

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HDD Storage Medium

The HP Z420 has an HDD storage medium which is faster than the Flash storage medium found on most many processor core 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 PCs currently available that you might also want to look at including the HP Z640[plb_2520401_price] which is cheaper.

If you want a computer with a faster storage speed then you might also want to consider the HP Z440[plb_2466558_price] (SSD), or the Lenovo Thinkstation P500[plb_2535509_price] (SSD) which is also cheaper.

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Specification

Features
Processor
Processor Core
Processor Family
Processor Clock Speed
PCI Express Slots Version
Processor Thread
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)
Processor Operating Mode
PCI Express Configuration
Processor Codename
Processor Lithography
Thermal Design Power (TDP)
Bus Type
Processor Cache Type
Processor Installed
Ergonomics
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
Optical Drive
Optical Drive Type
Video
Graphics
Discrete Graphics Adapter Model
Discrete Graphics Adapter Memory
Operating System/software
Operating System
Recovery Operating System
Operating System Architecture
Networking
WiFi
Ethernet LAN Data Rate
Ethernet LAN Connection
Ports & Interfaces
Firewire (IEEE 1394) 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 2.0 Port
USB 3.0 (3.1 Gen 1) Type-A Port
Expansion Slots
PCI Slot
PCI Express X16 (Gen 3.x) Slot
PCI Express X8 (Gen 3.x) Slot
PCI Express X8 (Gen 2.x) Slot
PCI Express X4 (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
Intel Anti-Theft Technology
Intell Identity Protection Technology
Intel My WiFi Technology
Intel Quick Sync Videotechnology
Intel Hyper-Threading Technology
Intel Turbo Boost Technology
Intel VPro Technology
Intel Wireless Display (WiDi) Technology
Intel 64
Enhanced Intel SpeedStep Technology
Intel AES New Instructions
Idle States
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
Scalability
Intel Virtualization Technology for Directed I/O
Processor Package Size
CPU Configuration (max)
Intel Demand Based Switching
Intel Smart Cache
Intel Secure Key Technology Version
Processor ARK ID
Display
Power
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Operational Conditions
Certificates
Energy Star Certified
Packaging Content
Keyboard Supplied
Other Features
Technical Details
Technical Details
Management Features

Expert Reviews

(9)
20 June 2013

The HP Z420 combines a quad-core Intel Xeon processor with an Nvidia Quadro graphics to give you a powerhouse system that can grow along with your company...

HP's mid-range workstation is an exemplary if somewhat plain vanilla example of the category, solidly built and a speedy performer...

18 June 2013

The HP Z420 is a powerful, expandable workstation. It combines the power of a quad-core Intel Xeon processor with an Nvidia Quadro graphics to give you a powerhouse system that can grow along with...

22 May 2012

HP has done a great job of filling this workstation with great components, but still keeping the price low. If you are looking for workstation for your office then I recommend you look at the HP Z...

21 May 2012

Recently we had a chance to review Dell's Precision T3600, and we found it impressive. A company that seemed content to be an also-ran in the enterprise desktop space reinvigorated itself with... Read more…

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User Reviews

(3)
Reviewed 2 December 2015 by Ed
Ed would recommend the HP Workstation Z420 (Verified Purchase)

Use product for assembling, burning, and labeling CDs, DVDs, and BDs. Use also for modeling (electronics). Workstation is expandable -- I'll at least 32gig of memory. Used HP for 18 years, only... Read more…

Easy To Set Up
Powerful
Powerful For The Price
Affordable. Even though this is last year's model, the price point for a low-to-mid Xeon makes this an excellent bargain. It's still faster, spec wise, than most high end 7's regardless
Case is in a class of its own. 100 Screwless. Comes with ALL parts you'll need to max out the hard drive and optical bays. Very easy to get at everything. Add the included 600 watt PS and this case wa
Graphics Card. The graphics card with this system is NOT a gaming card. It is a high end workstation graphics card. Yes it will play some games, it is more geared for media (audiovideo) editing, not g
No eSata. No eSata is included with this model, however, you can buy an add on (from HP direct) that will give you eSata. However, it does not support hotplug (as it just connects to the internal Sata
USB 3 ports. I really wish HP gave me some more USB 3 ports, especially with the lack of built-in eSata, if I want to add even MORE storage, two in the rear just isn't enough. (there are two in front
HP BIOS. I was surprised to see that HP uses its stock business line BIOS on such a high end workstation. And as always (to me), HP BIOS leaves alot to be desired. This machine is no exception. I'm ma
RAID is Windows only. There's no ROM based utility, the RAID has to be configured within Windows using the Intel Rapid Storage Technology software. Not a big deal, I'm using Windows anyways, and the R
Reviewed 1 September 2015 by Tom
Tom would recommend the HP Workstation Z420 (Verified Purchase)

This product, customized by B&H to my specifications is proving to be an incredibly good performing, largr internal storage capacity, fast computer. I am using this machine to process,store and... Read more…

Reviewed 18 January 2015 by Kris H.
(Verified Purchase)

I bought this to replace my ailing 7 year old Core2Duo and boy what an upgrade. My desktop at home has now turned into a quasi server, so I wanted to make sure I could add enough internal storage,... Read more…

Brochures and Manuals

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers hp wm641, hp wm641e, wm614eaabu, hp wm641et, wm641etabd, wm641etabz, wm614eaabd, hp p231409, wm614eaacb, hp p231415, wm641etaby, f1l10utraba, hp e51650v2, hp p231409p, hp p231415p
Barcodes 00888182223130, 00888182415108, 00888182415160, 00888182415214, 00888182415238, 00888182415245, 00888182416433, 00888182416440, 00888182416464, 00888182416501, 00888182418482, 00888182418505, 00888182677964, 00888182823446, 00888182823460, 08881822231306, 08881828234462, 08881828234608

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