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HP Z420
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HP Z420 4 Core Intel Xeon E5 3GHz 8GB 1TB HDD

4 Intel Xeon E5 3GHz 8GB Aug 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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17 Reasons For

HP Has Good Computer Reviews

Medium processor core personal computers manufactured by HP have good ratings on average. We also checked the reviews for all PCs (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 personal computer supports a 64-bit processor operating mode, which is typical of many PCs of a similar age and spec to it.

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Fairly Big Max Internal Memory Supported Processor

Across all the comparable spec desktop computers that are a similar age to the Z420 the max internal memory supported processors range from 2GB to 770GB. The HP Z420 has a quite big max internal memory supported processor (375 gigabytes) compared to most of the other similar spec personal computers that came out around the same time as the Z420.

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Quite Fast Max Memory Bandwidth Supported Processor

The average max memory bandwidth supported processor of medium processor core personal computers that have been around for a similar time to the Z420 is 30GB/s, and the max memory bandwidth supported processor range from 10GB/s to 68GB/s. With a max memory bandwidth supported processor of 34.1 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 were released more than two years ago.

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Quite Big Hard Drive Capacity

The hard drive capacity of computers of a similar age and type to the Z420 range from 320GB to 3TB. The HP Z420 has one of the bigger hard drive capacity (1,000 gigabyte) amongst medium processor core personal computers of this age.

Personal computers with a bigger hard drive capacity that might also be worth considering include the Lenovo P300 Tower[plb_2501444_price] (2TB), or the Alienware X51[plb_2502156_price] (2TB).

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Fairly Big Total Storage Capacity

The smallest total storage capacity of medium processor core personal computers that have been around for a similar time to the Z420 is 32GB, the biggest is 3TB, and the average total storage capacity is 710GB. At 1,000 gigabyte, the HP Z420 has a quite big total storage capacity compared to most of the other desktop computers that were released more than two years ago.

Computers with a bigger total storage capacity that might also be worth looking at include the Lenovo P300 Tower[plb_2501444_price] (2TB).

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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 PCs that are a comparable age to it.

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L3 Processor Cache Level

This desktop computer has a L3 processor cache level, which is typical of many medium processor core personal computers that came out more than two years ago.

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

This computer has a 10/100/1000Base-T(X) cabling technology, which is typical of many similar spec PCs that have been around for around the same time as it.

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Three 5.25" Bays

The HP Z420 is a three 5.25" bay computer. Most of the other PCs of a similar spec and age to the Z420 only have between one and two 5.25" bays.

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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 medium processor core personal computers that were launched around the same time as the Z420. Desktop computers of this age and type have maximum internal memory of between 2GB and 260GB, and the average maximum internal memory is 32GB.

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Very Big Processor Cache

The average processor cache of desktop computers that have been around for a similar time to the Z420 is 6.8MB. When compared to other similar spec computers that have been around for a comparable time to the Z420, the processor cache of the HP Z420 of 10 megabytes is one of the biggest.

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Two PCI Express X16 (Gen 3.x) Slots

Most comparable spec computers that have been available for more than two years 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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Three 3.5" Bays

Most desktop computers that are a comparable age to the Z420 have between one and eight 3.5" bays, including the HP Z420 which has three 3.5" bays.

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Very Big L3 Cache

The HP Z420 has a fairly big L3 cache (10 megabytes) compared to most of the other medium processor core personal computers that have been around for more than two years. The average L3 cache of PCs of a comparable age and type to the Z420 is 6.9MB.

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Has One Memory Slot

The number of memory slots found on the HP Z420 is more than most computers of this type and age. The most commonly 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 PC is DVD Super Multi, which is the most frequently found optical drive type on computers that were released more than two years ago.

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6 Reasons Against

Quite Slow Memory Clock Speed Supported by Processor

The slowest memory clock speed supported by processor of computers of this type and age is 800MHz and the fastest is 2,200MHz. 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 computers that are a similar age to the Z420.

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Quite Small Discrete Graphics Adapter Memory

Across all the medium processor core personal computers that were released around the same time as the Z420 the discrete graphics adapter memory capacities range from 1GB to 6.2TB, and the average discrete graphics adapter memory is 2TB. The HP Z420 has one of the smaller discrete graphics adapter memory capacities (only 1,024 gigabyte) amongst medium processor core personal computers of this age.

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Only HDD Storage Medium

The storage speed of this computer is HDD, which is the most frequently found storage medium on personal computers that have been available for more than two years. 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 Discrete Graphics Adapter Memory

The HP Z420 has one of the smaller discrete graphics adapter memory (only 1,024 megabyte) amongst comparable spec PCs of this age. Comparable spec personal computers that have been around for more than two years have discrete graphics adapter memory of between 510MB and 6.2GB.

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Heavy

Similar spec personal computers that were released around the same time as the Z420 have weights of between 250g and 24kg. At 12.5 kilograms, the HP Z420 is fairly heavy 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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Very Tall

The heights of PCs of a similar age and spec to the Z420 range from 19mm to 560mm. At 447.6 millimeters, the HP Z420 is very tall compared to most of the other medium processor core personal computers that have been around for around the same time as the Z420.

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3 Other reasons to consider the HP Z420

Released Over Three Years Ago

HP released the Z420 over three years ago.

Average Processor Clock Speed

The HP Z420 has a relatively typical processor clock speed (3 gigahertz) compared to most of the other PCs of this type and age.

If you are looking for a faster processor clock speed then you might also want to consider the Fujitsu Esprimo P420[plb_2580165_price] (3.1GHz).

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Average Internal Memory

The HP Z420 has a relatively standard internal memory (8 gigabytes) compared to most of the other desktop computers that were released around the same time as the Z420.

Desktop computers with a bigger internal memory that might be worth considering include the Zoostorm Intel Core i7-4790 Mini Tower[plb_2785392_price] (12GB) which also has a higher rating.

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Specification

Features
Processor
Processor Core
Processor Family
Processor Clock Speed
PCI Express Slots Version
Processor Thread
Processor Cache
Processor Socket
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
Tcase
PCI Express Lane (maximum)
Stepping
Processor Operating Mode
CPU Multiplier (bus/core Ratio)
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
Maximum Internal Memory
Internal Memory Type
Storage
Total Storage Capacity
Storage Medium
Hard Drive Capacity
Hard Drive Speed
Hard Drive Interface
Hard Drive
Storage Drive Installed
Optical Drive
Optical Drive
Optical Drive Type
Video
Graphics
On-Board Graphics Adapter Model
Discrete Graphics Adapter
Discrete Graphics Adapter Model
Discrete Graphics Adapter Memory
Operating System/software
Operating System
Recovery Operating System
Operating System Architecture
Networking
WiFi Standard
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
DC-In Jack
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 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 Flex Memory Access
Intel Virtualization Technology (VT-X)
Instruction Set
Intel Enhanced Halt State
Processor Code
Intel Virtualization Technology for Directed I/O
Processor Package Size
CPU Configuration (max)
Intel Demand Based Switching
Intel Smart Cache
Processor ARK ID
Display
Power
Power Supply Input Voltage
Power Supply Input Frequency
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Operational Conditions
Storage Relative Humidity Range
Storage Temperature Range
Relative Humidity Operating Range
Operating Temperature Range
Certificates
RoHS Compliant
Energy Star Certified
Packaging Content
Display Included
Other Features
Technical Details
Technical Details
Management Features

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…

« Prev 1 of 2 Next »

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 wm639, hp wm641, hp wm641e, hp wm639e, hp wm639et, hp wm641et, hp inc wm435, hp inc wm435e, hp inc wm435ea, hp inc wm435eaa, hp inc wm435eaab, hp inc wm435eaabu
Barcodes 00887758594865, 00887758846735

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See How Other PCs Compare to the HP Z420

Lenovo H50 vs HP Z420

Lenovo H50 vs HP Z420
Lenovo H50
4 core Intel Core i7-4xxx 3.6GHz 8GB 2TB HDD
HP Z420
4 core Intel Xeon E5 3GHz 8GB 1TB HDD
£ 599.99
1 Newer Intel Identity Protection Technology Version
5.4kg Lighter
1GB Bigger Discrete Graphics Adapter Memory
Bigger Discrete Graphics Adapter Memory
Only Two USB 3.0 (3.1 Gen 1) Type-A Ports
Two Less USB 3.0 Ports

Lenovo H50 vs HP Z420

Lenovo H50 vs HP Z420
Lenovo H50
4 core Intel Core i5-4xxx 3.2GHz 8GB 2TB HDD
HP Z420
4 core Intel Xeon E5 3GHz 8GB 1TB HDD
£ 549.00
Newer Intel Identity Protection Technology Version
Hugely Lighter
50% Bigger Discrete Graphics Adapter Memory
1TB Bigger Hard Drive Capacity
Only Two USB 3.0 (3.1 Gen 1) Type-A Ports
Two Less USB 3.0 Ports

DELL Precision T5610 vs HP Z420

DELL Precision T5610 vs HP Z420
DELL Precision T5610
6 core Intel Xeon E5 v2 2.1GHz 8GB 500GB HDD
HP Z420
4 core Intel Xeon E5 3GHz 8GB 1TB HDD
£ 1,318.80
Bigger Discrete Graphics Adapter Memory
Vastly Bigger Discrete Graphics Adapter Memory
12 Processor Threads
393GB Bigger Max Internal Memory Supported Processor
Smaller Hard Drive Capacity
Two Less 5.25" Bays
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