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HP Z420
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HP Z420 4 Core Intel Xeon E5 3.7GHz 8GB 1TB HDD

4 Intel Xeon E5 3.7GHz 8GB Dec 2013
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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20 Reasons For

HP Has Good Desktop Computer Reviews

HP has good average reviews for its medium processor core PCs as well as across its entire desktop computer range.

64-Bit Processor Operating Mode

This PC supports a 64-bit processor operating mode, which is typical of many comparable spec desktop computers that have been around for more than two years.

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Very Fast Max Memory Bandwidth Supported Processor

With a max memory bandwidth supported processor of 59.7 gigabytes per second, the HP Z420 has one of the faster max memory bandwidth supported processor amongst medium processor core PCs of this age. The max memory bandwidth supported processor of personal computers that were released more than two years ago range from 10GB/s to 68GB/s.

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Fairly Big Max Internal Memory Supported Processor

Across all the personal computers of a similar type and age to the Z420 the max internal memory supported processors range from 2GB to 770GB. The HP Z420 has a fairly big max internal memory supported processor (256 gigabytes) compared to most of the other comparable spec PCs that were released more than two years ago.

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Very Fast Processor Clock Speed

With a processor clock speed of 3.7 gigahertz, the HP Z420 has one of the faster processor clock speeds amongst medium processor core PCs of this age. The average processor clock speed of personal computers of this spec and age is 3.1GHz, and the processor clock speeds range from 1GHz to 4.1GHz.

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Fairly Big Internal Memory

At 8 gigabytes, the HP Z420 has a fairly big internal memory compared to most of the other PCs of this age and spec. The internal memory of medium processor core PCs that have been on the market for a comparable time to the Z420 range from 2GB to 64GB.

If this medium processor core personal computer internal memory is not big enough for you then you might also want to consider the Zoostorm Intel Core i7-4790 Mini Tower (12GB) which is also higher rated.

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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 computers of this age and spec.

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Three 5.25" Bays

Most of the other medium processor core PCs that are a comparable age to the Z420 only have between one and two 5.25" bays, however the HP Z420 has three 5.25" bays.

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L3 Processor Cache Level

This desktop computer has a L3 processor cache level, which is the most frequently found processor cache level on medium processor core PCs that were released around the same time as it.

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3 PCI Express Slots Version

This desktop computer supports a 3 PCI Express slots version, which is typical of many medium processor core PCs that are a similar age to it.

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Two PCI Express X16 Slots

The HP Z420 is a two PCI Express x16 slot computer. Most of the other personal computers that have been on the market for a similar time to the Z420 have between one and two PCI Express x16 slots.

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Fairly Big Maximum Internal Memory

At 64 gigabytes, the HP Z420 has a quite big maximum internal memory compared to most of the other desktop computers of a similar spec and age to the Z420. The smallest maximum internal memory of computers of this spec and age is 2GB and the biggest is 260GB.

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Very Big Processor Cache

The processor caches of medium processor core PCs that are a comparable age to the Z420 range from 0.51MB to 10MB, and the average processor cache is 6.8MB. The processor cache of the HP Z420 of 10 megabytes is one of the biggest amongst medium processor core PCs that were released more than two years ago.

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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 computer.

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Three 3.5" Bays

The HP Z420 is a three 3.5" bay computer. Most of the other PCs of this age and spec have between one and eight 3.5" bays.

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Quite Fast Maximum Turbo Frequency

The maximum turbo frequencies of computers of this age and type range from 1.3GHz to 4.4GHz. The HP Z420 has a fairly fast maximum turbo frequency (3.9 gigahertz) compared to most of the other desktop computers that were released around the same time as the Z420.

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Quite Big L3 Cache

The HP Z420 has a quite big L3 cache (10 megabytes) compared to most of the other medium processor core PCs that are a similar age to the Z420. The average L3 cache of comparable spec personal computers that are a similar age to the Z420 is 6.9MB, and the L3 caches range from 2MB to 10MB.

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Has One Memory Slot

The number of memory slots found on the HP Z420 is more than most personal computers of a similar type and age to it. The most commonly found memory slot is 4x DIMM, but this memory slot is not found on this personal computer. The memory slots 8x DIMM are also found on this desktop computer.

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Quite Fast Memory Clock Speed

With a memory clock speed of 1,866 megahertz, the HP Z420 has a fairly fast memory clock speed compared to most of the other computers that were launched more than two years ago. Computers of this age and spec have memory clock speeds of between 1,000MHz and 2,200MHz.

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DVD Super Multi Optical Drive Type

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

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3 Reasons Against

Quite Slow Memory Clock Speed Supported by Processor

At only 800 megahertz, the HP Z420 has a very slow memory clock speed supported by processor compared to most of the other PCs of this age and spec. The slowest memory clock speed supported by processor of comparable spec desktop computers that were released more than two years ago is 800MHz, the fastest is 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 medium processor core PCs that have been available for a similar time to it. 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

At 12.5 kilograms, the HP Z420 is fairly heavy compared to most of the other PCs that have been around for a comparable time to the Z420. Across all the computers of a similar spec and age to the Z420 the weights range from 250g to 24kg.

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3 Other reasons to consider the HP Z420

Released Over Two Years Ago

This computer was released over two years ago.

Average Hard Drive Capacity

The HP Z420 has a pretty average hard drive capacity (1,000 gigabyte) compared to most of the other medium processor core PCs that were launched more than two years ago.

If this medium processor core personal computer hard drive capacity is too small for you then you might want to look at the Alienware X51 (2TB), or the Lenovo E32 (2TB).

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Average Total Storage Capacity

At 1,000 gigabyte, the HP Z420 has a fairly average total storage capacity compared to most of the other PCs of a similar age and spec to the Z420.

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Specification

Processor
Processor Core
Processor Family
Processor Clock Speed
PCI Express Slots Version
Processor Thread
L3 Cache
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
On-Board Graphics Adapter Model
Discrete Graphics Adapter Memory
Discrete Graphics Adapter Model
Discrete Graphics Adapter Memory
Operating System/software
Operating System
Recovery Operating System
Operating System Architecture
Networking
WiFi
Cabling Technology
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 X16 Slot
PCI Express X8 (Gen 3.x) Slot
PCI Express X8 (Gen 2.x) Slot
PCI Express X8 Slot
PCI Express X4 (Gen 2.x) Slot
PCI Express X4 Slot
PCI Express X1 (Gen 2.x) Slot
Design
Chassis Type
5.25" Bay
3.5" Bay
Case Colour
Water Cooling System
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 Smart Connect Technology
Intel Smart Response Technology
Intel Wireless Display (WiDi) Technology
Intel Rapid Start Technology
Intel Small Business Advantage (SBA)
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
Touch Screen
Display Diagonal
Bundled Software
Mouse Included
Typical Contrast Ratio
Display Vertical Viewing Angle
Display Horizontal Viewing Angle
Display Brightness
Aspect Ratio
Display Resolution
Other Features
Intel Virtualization Technology
Technical Details
Intel Visual Technology

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…

Brochures and Manuals

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers hp wm639, hp wm639e, hp p231413, hp wm639et, hp p179815, hp e51620v2, hp p179815p, hp p231413p
Barcodes 00888182415603, 00888182779170, 00888182779187
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