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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 Feb 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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20 Reasons For

Good Brand

HP medium processor core personal computers have good reviews on average and across all personal computers HP is one of the superior brands.

64-Bit Processor Operating Mode

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

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Quite Fast Max Memory Bandwidth Supported Processor

At 59.7 gigabytes per second, the HP Z420 has a quite fast max memory bandwidth supported processor compared to most of the other medium processor core personal computers that have been around for more than two years. Medium processor core personal computers that came out around the same time as the Z420 have max memory bandwidth supported processor of between 10GB/s and 68GB/s, and the average max memory bandwidth supported processor is 30GB/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 one of the bigger max internal memory supported processors amongst medium processor core personal computers of this age. The average max internal memory supported processor of personal computers of a similar spec and age to the Z420 is 88GB.

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Four USB 3.0 (3.1 Gen 1) Type-A Ports

The HP Z420 is a four USB 3.0 (3.1 Gen 1) Type-A port personal computer. Most of the other medium processor core personal computers that have been available for more than two years have between one and eight USB 3.0 (3.1 Gen 1) Type-A ports.

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Very Fast Processor Clock Speed

At 3.7 gigahertz, the HP Z420 has a very fast processor clock speed compared to most of the other personal computers of this spec and age. The processor clock speeds of personal computers of this spec and age range from 1GHz to 4.1GHz, and the average processor clock speed is 3.1GHz.

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Quite Big Internal Memory

The internal memory of PCs that are a similar age to the Z420 range from 2GB to 64GB, and the average internal memory is 7.5GB. With an internal memory of 8 gigabytes, the HP Z420 has one of the bigger internal memory amongst comparable spec PCs of this age.

If this personal computer internal memory is not big enough for you then you might want to consider the DELL XPS 8700[plb_2716106_price] (12GB and cheaper).

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Two PCI Express X16 Slots

The HP Z420 is a two PCI Express x16 slot desktop computer. Most of the other computers of this age and type have between one and two PCI Express x16 slots.

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

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

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3 PCI Express Slots Version

This PC supports a 3 PCI Express slots version, which is typical of many medium processor core personal computers that were released around the same time as it.

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Three 5.25" Bays

The HP Z420 is a three 5.25" bay computer.

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L3 Processor Cache Level

This PC has a L3 processor cache level, which is typical of many medium processor core personal computers that have been on the market for a similar time to it.

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Quite Big Maximum Internal Memory

Across all the medium processor core personal computers that were released around the same time as the Z420 the maximum internal memory range from 2GB to 260GB. At 64 gigabytes, the HP Z420 has a quite big maximum internal memory compared to most of the other medium processor core personal computers that were released around the same time as the Z420.

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Fairly Big Processor Cache

Across all the personal computers of this age and type the processor caches range from 0.51MB to 10MB, and the average processor cache is 6.8MB. The HP Z420 has a quite big processor cache (10 megabytes) compared to most of the other medium processor core personal computers that were released more than two years ago.

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Eight Processor Threads

The HP Z420 has more processor threads than most of the personal computers of this spec and age. Most of the medium processor core personal computers that were released more than two years ago only have between four and seven processor threads, however this personal computer has eight processor threads.

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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 PC. Most of the other comparable spec personal computers that have been available for a similar time to the Z420 have between one and two PCI Express x16 (Gen 3.x) slots.

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Very Big L3 Cache

The L3 cache of the HP Z420 of 10 megabytes is one of the biggest amongst PCs of this age and type. Across all the PCs of a similar type and age to the Z420 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 PCs of this age and spec. The most commonly 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 personal computer.

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Quite Fast Memory Clock Speed

Across all the comparable spec computers that have been on the market for more than two years the memory clock speeds range from 1,000MHz to 2,200MHz, and the average memory clock speed is 1,600MHz. The HP Z420 has one of the faster memory clock speeds (1,866 megahertz) amongst medium processor core personal computers of this age.

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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 computers that have been around for a comparable time to it.

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6 Reasons Against

Quite Slow Memory Clock Speed Supported by Processor

With a memory clock speed supported by processor of only 800 megahertz, the HP Z420 has a very slow memory clock speed supported by processor compared to most of the other computers of this age and type. Across all the PCs that have been around for around the same time as the Z420 the memory clock speeds supported by processors range from 800MHz to 2,200MHz, and the average memory clock speed supported by processor is 1,300MHz.

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Price Increase of £56.48

The Z420 has increased in price by £56.48 in the last 48 days.

Only HDD Storage Medium

The storage speed of this personal computer is HDD, which is the most frequently found storage medium on medium processor core personal computers that have been on the market for around the same time as 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.

We compared all the other HDD PCs to this desktop computer and we think the Lenovo ThinkCentre E73[plb_2338866_price] which is cheaper is also worth considering.

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Not Cheap

The price range of medium processor core personal computers that were launched more than two years ago is from £206 to £1,667. We think that this personal computer looks expensive compared to other medium processor core personal computers that were launched more than two years ago.

Heavy

The weights of computers of a comparable age and spec to the Z420 range from 250g to 24kg, and the average weight is 8.2kg. The HP Z420 is one of the heavier PCs of this age and spec (12.5 kilograms) amongst medium processor core personal computers of this age.

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Very Tall

With a height of 447.6 millimeters, the HP Z420's height is one of the tallest amongst similar spec computers that came out around the same time as the Z420. Across all the medium processor core personal computers that are a comparable age to the Z420 the heights range from 19mm to 560mm, and the average height is 280mm.

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3 Other reasons to consider the HP Z420

Released Over Two Years Ago

This desktop computer was released over two years ago.

Average Hard Drive Capacity

With a hard drive capacity of 1,000 gigabyte, the HP Z420 has a pretty average hard drive capacity compared to most of the other medium processor core personal computers that have been on the market for around the same time as the Z420.

Computers with a bigger hard drive capacity that might be worth considering include the Alienware X51[plb_2177038_price] (2TB).

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Average Total Storage Capacity

With a total storage capacity of 1,000 gigabyte, the HP Z420 has a relatively standard total storage capacity compared to most of the other personal computers of this type and age.

If this medium processor core desktop computer total storage capacity is too small for you then you might want to look at the Alienware X51[plb_2177038_price] (2TB).

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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
Internal Memory Type
Storage
Total Storage Capacity
Storage Medium
Hard Drive Capacity
RAID File Storage
Hard Drive Speed
Hard Drive Interface
Hard Drive
Optical Drive
Optical Drive
Optical Drive Type
Video
Graphics
On-Board Graphics Adapter Model
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
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
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 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
Packaging Content
Manual
Bundled Software
Display Included
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 wm639, hp wm639e, hp p231413, hp wm639et, hp p179815, hp e51620v2, hp p179815p, hp p231413p
Barcodes 00888182415603, 00888182779170, 00888182779187

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