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HP Z420
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HP Z420 4 Core Intel Xeon E5 3.7GHz 8GB 256GB SSD

4 Intel Xeon E5 3.7GHz 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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15 Reasons For

HP Has Good Computer Reviews

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

64-Bit Processor Operating Mode

This computer supports a 64-bit processor operating mode, which is typical of many desktop computers of this type and age.

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Very Fast Max Memory Bandwidth Supported Processor

When compared to other desktop computers of this age and spec that we have assessed the max memory bandwidth supported processor of, the HP Z420's max memory bandwidth supported processor of 59.7 gigabytes per second is one of the fastest. The average max memory bandwidth supported processor of comparable spec personal computers that are a similar age to the Z420 is 30GB/s, and the max memory bandwidth supported processor range from 10GB/s to 68GB/s.

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Fairly Big Max Internal Memory Supported Processor

Across all the medium processor core personal computers that have been around for a comparable time to the Z420 the max internal memory supported processors range from 2GB to 770GB, and the average max internal memory supported processor is 65GB. When compared to other medium processor core personal computers that have been available for around the same time as the Z420 that we have checked, the HP Z420's max internal memory supported processor of 256 gigabytes is one of the biggest.

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Fairly Fast Processor Clock Speed

The HP Z420 has a fairly fast processor clock speed (3.7 gigahertz) compared to most of the other PCs of a similar type and age to the Z420. The processor clock speeds of personal computers of a comparable spec and age to the Z420 range from 1.3GHz to 4GHz, and the average processor clock speed is 3.1GHz.

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SSD Storage Medium

The HP Z420 has an SSD storage medium which is faster than most medium processor core personal computers that were launched more than a year ago. Most computers that have been available for around the same time as it have an HDD storage medium. Solid State Drives (SSD) store information in transistors on a circuit board rather than on optical or magnetic media. This has the advantage of being much faster than a traditional HDD drive.

An SSD storage medium is actually the best storage speed across all desktop computers of this age and spec.

The worst storage speed across comparable types of desktop computer is HDD.

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3 PCI Express Slots Version

This computer supports a 3 PCI Express slots version, which is the most commonly supported PCI Express slots version on similar spec desktop computers that are a comparable age to it.

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L3 Processor Cache Level

This personal computer has a L3 processor cache level, which is typical of many personal computers of a similar spec and age to it.

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10/100/1000Base-T(X) Cabling Technology

This desktop computer has a 10/100/1000Base-T(X) cabling technology, which is typical of many similar spec desktop computers that are a comparable age to it.

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Three 5.25" Bays

Most comparable spec PCs that have been available for around the same time as the Z420 have between one and three 5.25" bays, including the HP Z420 which has three 5.25" bays.

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Quite Big Maximum Internal Memory

When compared to other PCs of this age and type, the maximum internal memory of the HP Z420 of 64 gigabytes is one of the biggest. Medium processor core personal computers that have been on the market for a comparable time to the Z420 have maximum internal memory of between 2GB and 260GB.

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Very Big Processor Cache

With a processor cache of 10 megabytes, the HP Z420's processor cache is one of the biggest amongst desktop computers of this age and type. The average processor cache of comparable spec PCs that have been around for a similar time to the Z420 is 6.6MB, and the processor caches range from 2MB to 10MB.

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Two PCI Express X16 (Gen 3.x) Slots

Most PCs that have been available for around the same time as the Z420 have between one and two PCI Express x16 (Gen 3.x) slots, including the HP Z420 which has two PCI Express x16 (Gen 3.x) slots.

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Has One Memory Slot

The number of memory slots found on the HP Z420 is more than most medium processor core personal computers that are a comparable age to it. The most frequently 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 computer.

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DVD Super Multi Optical Drive Type

The optical drive type of this personal computer is DVD Super Multi, which is typical of many medium processor core personal computers that have been available for a comparable time to it.

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3 Reasons Against

Quite Slow Memory Clock Speed Supported by Processor

The memory clock speed supported by processor of the HP Z420 of only 800 megahertz is one of the slowest amongst medium processor core personal computers that were released around the same time as the Z420. The slowest memory clock speed supported by processor of medium processor core personal computers that were released around the same time as the Z420 is 800MHz and the fastest is 2,200MHz.

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Very Small Total Storage Capacity

At only 256 gigabytes, the HP Z420 has a quite small total storage capacity compared to most of the other comparable spec desktop computers that have been on the market for a similar time to the Z420. Across all the desktop computers that came out around the same time as the Z420 the total storage capacity range from 4GB to 3.6TB, and the average total storage capacity is 840GB.

If this personal computer total storage capacity is not big enough for you then you might also want to look at the Acer Veriton X6630G (500GB and higher rated).

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Heavy

At 12.5 kilograms, the HP Z420 is fairly heavy compared to most of the other similar spec PCs that came out around the same time as the Z420. The weights of comparable spec computers that were released one year ago range from 38g to 100kg.

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2 Other reasons to consider the HP Z420

Released Over a Year Ago

This desktop computer was released over a year ago.

Average Internal Memory

At 8 gigabytes, the HP Z420 has a fairly standard internal memory compared to most of the other PCs of a similar type and age to the Z420.

If this personal computer internal memory is too small for you then you might also want to consider the Aspire XC-705 (£449.00) (10GB), or the Aspire TC-705 (£539.00) (12GB) both from Acer.

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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
Memory Slot
Maximum Internal Memory
Internal Memory Type
Storage
Total Storage Capacity
Storage Medium
Solid-State Drive Interface
Solid-State Drive Capacity
Solid State Drive Installed
Optical Drive
BD Interface Type
Optical Drive
Optical Drive Type
Video
Graphics
Operating System/software
Operating System
Recovery Operating System
Operating System Architecture
Networking
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
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 Hyper-Threading Technology
Intel Turbo Boost Technology
Intel VPro 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
Display Included
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 wm679, hp wm679e, wm679etaby, wm679etabd, hp wm679et, hp e51620v2, bwm679et3aby
Barcodes 00888793204856, 00888793204863, 00888793205105, 00888793205129, 00888793205143, 04053162579682

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