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HP Z420
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HP Z420 4 Core Intel Xeon E5 3.7GHz 16GB 1TB HDD

4 Intel Xeon E5 3.7GHz 16GB Nov 2013
Processor Core Processor Family Processor Clock Speed Internal Memory Release Date
Performance you want. Value you need. Maintain professional expandability in an accessible, tool-free mini-tower form factor all at a great price. With support for next-generation Intel Xeon... More
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20 Reasons For

HP Has Good PC Reviews

HP medium processor core PCs have good ratings on average and across all PCs HP is one of the better rated manufacturers.

64-Bit Processor Operating Mode

This personal computer supports a 64-bit processor operating mode, which is the most frequently supported processor operating mode on personal computers that have been on the market for more than two years.

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Very Fast Max Memory Bandwidth Supported Processor

When compared to other personal computers of a comparable age and type to the Z420, the HP Z420's max memory bandwidth supported processor of 59.7 gigabytes per second is one of the fastest. The max memory bandwidth supported processor of medium processor core PCs that were released around the same time as the Z420 range from 10GB/s to 68GB/s.

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Fairly Big Max Internal Memory Supported Processor

With a max internal memory supported processor of 256 gigabytes, the HP Z420 has a quite big max internal memory supported processor compared to most of the other computers that are a comparable age to the Z420. The smallest max internal memory supported processor of comparable spec personal computers that have been around for around the same time as the Z420 is 2GB and the biggest is 770GB.

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Very Fast Processor Clock Speed

The slowest processor clock speed of computers that have been around for more than two years is 1GHz, the fastest is 4.1GHz, and the average processor clock speed is 3.1GHz. The HP Z420 has a very fast processor clock speed (3.7 gigahertz) compared to most of the other PCs of a similar type and age to the Z420.

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Quite Big Internal Memory

At 16 gigabytes, the HP Z420 has a quite big internal memory compared to most of the other PCs of this age and spec. The average internal memory of medium processor core PCs that are a comparable age to the Z420 is 7.9GB.

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Fairly Big Hard Drive Capacity

The smallest hard drive capacity of comparable spec desktop computers that have been on the market for more than two years is 320GB and the biggest is 3TB. With a hard drive capacity of 1,000 gigabyte, the HP Z420 has one of the bigger hard drive capacity amongst medium processor core PCs of this age.

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Fairly Big Total Storage Capacity

The HP Z420 has a quite big total storage capacity (1,000 gigabyte) compared to most of the other computers of a similar type and age to the Z420. Personal computers that are a similar age to the Z420 have total storage capacity of between 32GB and 3TB, and the average total storage capacity is 720GB.

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3 PCI Express Slots Version

This personal computer supports a 3 PCI Express slots version, which is the most commonly supported PCI Express slots version on personal computers of this type and age.

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L3 Processor Cache Level

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

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Three 5.25" Bays

The HP Z420 has more 5.25" bays than most of the medium processor core PCs that have been available for a comparable time to the Z420. Most of the medium processor core PCs that were launched around the same time as the Z420 only have between one and two 5.25" bays, however this computer has three 5.25" bays.

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Quite Big Maximum Internal Memory

The HP Z420 has a quite big maximum internal memory (64 gigabytes) compared to most of the other personal computers that came out around the same time as the Z420. The maximum internal memory of comparable spec desktop computers that were released around the same time as the Z420 range from 2GB to 260GB, and the average maximum internal memory is 32GB.

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Eight Processor Threads

The HP Z420 has more processor threads than most of the PCs of this spec and age. This computer is a eight processor thread personal computer compared to most of the medium processor core PCs that were released more than two years ago which only have between four and seven processor threads.

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Quite Big Processor Cache

The average processor cache of computers that are a comparable age to the Z420 is 6.8MB. With a processor cache of 10 megabytes, the HP Z420 has one of the bigger processor caches amongst medium processor core PCs of this age.

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Two PCI Express X16 (Gen 3.x) Slots

The HP Z420 is a two PCI Express x16 (Gen 3.x) slot personal computer.

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Three 3.5" Bays

The HP Z420 is a three 3.5" bay desktop computer.

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Fairly Fast Maximum Turbo Frequency

At 3.9 gigahertz, the HP Z420 has a quite fast maximum turbo frequency compared to most of the other medium processor core PCs that have been on the market for more than two years. The average maximum turbo frequency of medium processor core PCs that were launched around the same time as the Z420 is 3.6GHz.

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Has One Memory Slot

The number of memory slots found on the HP Z420 is more than most desktop computers that have been available for a comparable time to it. The most frequently found memory slot is 4x DIMM, but this memory slot is not found on this HP PC. The memory slots 8x DIMM are also found on this computer.

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Quite Fast Memory Clock Speed

Across all the medium processor core PCs that are a similar age to the Z420 the memory clock speeds range from 1,000MHz to 2,200MHz. At 1,866 megahertz, the HP Z420 has a quite fast memory clock speed compared to most of the other medium processor core PCs that have been on the market for around the same time as the Z420.

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DVD Super Multi Optical Drive Type

The optical drive type of this desktop computer is DVD Super Multi, which is typical of many personal computers of a similar age and spec to it.

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3 Reasons Against

Quite Slow Memory Clock Speed Supported by Processor

When compared to other PCs that were released around the same time as the Z420 that we have checked, the memory clock speed supported by processor of the HP Z420 of only 800 megahertz is one of the slowest. Medium processor core PCs that have been on the market for around the same time as the Z420 have memory clock speeds supported by processors of between 800MHz and 2,200MHz, and the average memory clock speed supported by processor is 1,300MHz.

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Only HDD Storage Medium

The storage speed of this personal computer is HDD, which is typical of many computers of this age and type. 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.

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Heavy

Across all the PCs that were launched around the same time as the Z420 the weights range from 250g to 24kg, and the average weight is 8.1kg. With a weight of 12.5 kilograms, the HP Z420 is fairly heavy compared to most of the other desktop computers of a similar spec and age to the Z420.

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1 Other reason to consider the HP Z420

Released Over Two Years Ago

This PC has been on the market for over two years.

Specification

Processor
Processor Core
Processor Family
Processor Clock Speed
PCI Express Slots Version
Processor Thread
Processor Cache Level
Processor Cache
Processor Socket
Maximum Turbo Frequency
Processor Model
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
Memory
Internal Memory
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
WiFi
Ethernet LAN Data Rate
Ports & Interfaces
Firewire (IEEE 1394) Port
Headphone Out Port
Ethernet LAN (RJ-45) Port
PS/2 Port
DVI Port
USB 3.0 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
Intell Identity Protection Technology
Idle States
Thermal Monitoring Technology
Instruction Set
Scalability
Processor Package Size
CPU Configuration (max)
Intel Secure Key Technology Version
Processor ARK ID
Power
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Certificates
Packaging Content
Display Included

Expert Reviews

(10)
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…

+- Manufacturer's Description

Product Identifiers

Barcodes 00888182322635, 00888182823422, 08881828234226
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