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HP Z420
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HP Z420 4 Core Intel Xeon E5 3.7GHz 4GB 500GB HDD

4 Intel Xeon E5 3.7GHz 4GB 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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17 Reasons For

HP Has Good Reviews for Its Personal Computers

Medium processor core personal computers built by HP have good ratings on average. We also checked the reviews for all computers (not just medium processor core personal computers) and found that HP also has good ratings across its entire range.

64-Bit Processor Operating Mode

This computer supports a 64-bit processor operating mode, which is typical of many similar spec desktop computers that are a comparable age to it.

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Fairly Fast Max Memory Bandwidth Supported Processor

At 59.7 gigabytes per second, the HP Z420 has a fairly fast max memory bandwidth supported processor compared to most of the other medium processor core personal computers that were launched more than two years ago. Across all the PCs that were released more than two years ago the max memory bandwidth supported processor range from 10GB/s to 68GB/s.

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Quite Big Max Internal Memory Supported Processor

The max internal memory supported processors of medium processor core personal computers that have been around for more than two years range from 2GB to 770GB, and the average max internal memory supported processor is 88GB. 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 similar spec desktop computers that have been on the market for around the same time as the Z420.

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Very Fast Processor Clock Speed

With a processor clock speed of 3.7 gigahertz, the HP Z420's processor clock speed is one of the fastest amongst personal computers that were launched around the same time as the Z420. Medium processor core personal computers that are a similar age to the Z420 have processor clock speeds of between 1GHz and 4.1GHz.

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L3 Processor Cache Level

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

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3 PCI Express Slots Version

This desktop computer supports a 3 PCI Express slots version, which is the most commonly supported PCI Express slots version on medium processor core personal computers that were released more than two years ago.

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Three 5.25" Bays

The HP Z420 has more 5.25" bays than most of the personal computers of this spec and age. This computer is a three 5.25" bay computer compared to most of the personal computers that are a similar age to the Z420 which only have between one and two 5.25" bays.

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Fairly Big Maximum Internal Memory

With a maximum internal memory of 64 gigabytes, the HP Z420 has a fairly big maximum internal memory compared to most of the other personal computers of a similar age and spec to the Z420. The smallest maximum internal memory of medium processor core personal computers that were released more than two years ago is 2GB, the biggest is 260GB, and the average maximum internal memory is 32GB.

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Quite Big Processor Cache

Computers of a comparable spec and age to the Z420 have processor caches of between 0.51MB and 10MB, and the average processor cache is 6.8MB. At 10 megabytes, the HP Z420 has a fairly big processor cache compared to most of the other similar spec personal computers that have been available for around the same time as the Z420.

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Eight Processor Threads

The HP Z420 is a eight processor thread desktop computer.

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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.

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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

The slowest maximum turbo frequency of medium processor core personal computers that have been around for a comparable time to the Z420 is 1.3GHz, the fastest is 4.4GHz, and the average maximum turbo frequency is 3.6GHz. With a maximum turbo frequency of 3.9 gigahertz, the HP Z420 has one of the faster maximum turbo frequencies amongst similar spec desktop computers of this age.

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Has One Memory Slot

The HP Z420 has a greater number of memory slots than most personal computers of this spec and age. The most commonly found memory slot is 4x DIMM, but this memory slot is not found on this computer. The memory slots 8x DIMM are also found on this personal computer.

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Quite Fast Memory Clock Speed

Comparable spec desktop computers that were released around the same time as the Z420 have memory clock speeds of between 1,000MHz and 2,200MHz. 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 PC is DVD Super Multi, which is typical of many comparable spec computers that were released around the same time as 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's memory clock speed supported by processor is one of the slowest amongst desktop computers of a comparable age and type to the Z420. The slowest memory clock speed supported by processor of medium processor core personal computers that were released more than two years ago is 800MHz and the fastest is 2,200MHz.

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Only HDD Storage Medium

The storage speed of this desktop computer is HDD, which is typical of many personal computers of this type and age. 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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Very Small Internal Memory

The smallest internal memory of comparable spec desktop computers that have been around for more than two years is 2GB, the biggest is 64GB, and the average internal memory is 7.5GB. At only 4 gigabytes, the HP Z420 has a quite small internal memory compared to most of the other computers that were released more than two years ago.

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Very Small Hard Drive Capacity

With a hard drive capacity of only 500 gigabytes, the HP Z420 has one of the smaller hard drive capacity amongst desktop computers of this age. Medium processor core personal computers that were released around the same time as the Z420 have hard drive capacity of between 320GB and 3TB, and the average hard drive capacity is 800GB.

If you would prefer a PC with a bigger hard drive capacity then you might also want to consider the Acer Aspire XC-703 (1TB) which is also higher rated.

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Heavy

With a weight of 12.5 kilograms, the HP Z420 is quite heavy compared to most of the other medium processor core personal computers that were launched more than two years ago. The lightest computer that has been around for around the same time as the Z420 is 250g heavy, the heaviest is 24kg, and the average weight is 8.2kg.

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Very Tall

Across all the medium processor core personal computers that came out more than two years ago the heights range from 19mm to 560mm. When compared to other comparable spec computers that have been on the market for a similar time to the Z420, the HP Z420's height of 447.6 millimeters is one of the tallest.

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2 Other reasons to consider the HP Z420

Released Over Two Years Ago

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

Average Total Storage Capacity

At 500 gigabytes, the HP Z420 has a relatively typical total storage capacity compared to most of the other desktop computers of this spec and age.

If you are looking for a personal computer with a bigger total storage capacity then you might want to look at the Apple Mac Pro (512GB).

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Specification

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
Memory
Internal Memory
Error Checking and Correcting (ECC)
Memory Clock Speed
Memory Slot
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
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
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
Intell Identity Protection Technology
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
Power
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Certificates
Energy Star Certified
Packaging Content
Display Included

Expert Reviews

(8)
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

(2)
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 z420, hp f1k27, hp z420i, hp f1k27u, hp z420in, hp z420int, hp f1k27ut, hp e51607v2, hp z420inte, hp z420intel
Barcodes 00888182246207

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See How Other PCs Compare to the HP Z420

Lenovo Thinkstation P500 vs HP Z420

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6 core Intel Xeon E5 v3 3.5GHz 8GB 512GB SSD
HP Z420
4 core Intel Xeon E5 3.7GHz 4GB 500GB HDD
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Newer Intel Identity Protection Technology Version
Expert Reviews Are Appreciably Better
Bigger Max Internal Memory Supported Processor
Four More USB 3.0 Ports
Lower User Review Score
Only Two 5.25" Bays

HP Z440 vs HP Z420

HP Z440 vs HP Z420
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4 core Intel Xeon E5 v3 3.7GHz 8GB 1TB HDD
HP Z420
4 core Intel Xeon E5 3.7GHz 4GB 500GB HDD
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1 Newer Intel Identity Protection Technology Version
Bigger Max Internal Memory Supported Processor
Four More USB 3.0 Ports
50% Bigger Internal Memory
Only Two USB 2.0 Ports
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Fujitsu W530 vs HP Z420

Fujitsu W530 vs HP Z420
Fujitsu W530
4 core Intel Xeon E3 v3 3.5GHz 8GB 1TB HDD
HP Z420
4 core Intel Xeon E5 3.7GHz 4GB 500GB HDD
£ 729.97
Vastly Newer Intel TSX-NI Version
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