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HP Z420
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HP Z420 6 Core Intel Xeon E5 V2 2.1GHz 8GB 1TB HDD

6 Intel Xeon E5 V2 2.1GHz 8GB Feb 2015
Processor Cores Processor Family Processor Frequency 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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The HP Z420 Workstation Unboxing and Guided Tour
Latest HP Z420 Workstation Xeon E5-1620 3.6GHz 8GB RAM 500GB HDD Overview
[DangDi.vn] HP Z420 Workstation review
Review  HP Workstation Z420

5 Reasons For

HP Has Good Desktop Computer Reviews

HP has good average reviews for its many processor cores PCs as well as across its entire computer range.

Two CPU Configuration (max)s

Most of the other computers of this age and type only take one CPU configuration (max), however the HP Z420 takes two CPU configuration (max)s.

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Three Number of 5.25" Bayss

The HP Z420 is a three number of 5.25" bays PC.

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Has One Memory Slots

The HP Z420 has a greater number of memory slots than most desktop computers of this spec and age. This PC has an 8x DIMM memory slots, which is the most commonly found memory slots found on comparable spec PCs that were released more than a year ago.

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Silver EPEAT Compliance

This personal computer has a Silver EPEAT compliance, which is the most frequently found EPEAT compliance on comparable spec personal computers that are a similar age to it.

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13 Reasons Against

Quite Slow Memory Clock Speeds Supported by Processor

The HP Z420 has a very slow memory clock speeds supported by processor (only 800 megahertz) compared to most of the other comparable spec computers that are a similar age to the Z420. Comparable spec 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 1,600MHz.

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Very Slow Processor Frequency

The slowest processor frequency of PCs of a comparable age and spec to the Z420 is 1.6GHz, the fastest is 3.5GHz, and the average processor frequency is 3GHz. At only 2.1 gigahertz, the HP Z420 has a fairly slow processor frequency compared to most of the other comparable spec desktop computers that have been available for a similar time to the Z420.

If you are looking for a faster processor frequency then you might want to look at the Lenovo P700[plb_3007701_price] (2.4GHz) which is also higher rated.

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

Most similar spec desktop computers that have been around for more than a year have between two and seven USB 3.0 (3.1 Gen 1) Type-A ports quantitys, including the HP Z420 which has four USB 3.0 (3.1 Gen 1) Type-A ports quantitys.

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Very Slow Memory Bandwidth Supported by Processor (max)

The slowest memory bandwidth supported by processor (max) of many processor cores PCs that were launched around the same time as the Z420 is 51GB/s and the fastest is 68GB/s. The HP Z420 has one of the slower memory bandwidth supported by processor (max)s (only 51.2 gigabytes per second) amongst similar spec desktop computers of this age.

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Quite Slow Processor Boost Frequency

The processor boost frequencys of similar spec personal computers that have been around for a comparable time to the Z420 range from 2.6GHz to 3.9GHz, and the average processor boost frequency is 3.5GHz. The HP Z420 has one of the slower processor boost frequencys (only 2.6 gigahertz) amongst comparable spec computers of this age.

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Quite Small Internal Memory

At only 8 gigabytes, the HP Z420 has a quite small internal memory compared to most of the other computers that have been on the market for more than a year. Across all the PCs that are a comparable age to the Z420 the internal memorys range from 4GB to 64GB.

If you would prefer a bigger internal memory then you might also want to look at the Apple ME253[plb_3040912_price] (12GB).

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Quite Low System Bus Rate

With a system bus rate of only 7.2 Gigatransfers per second, the HP Z420 has a quite low system bus rate compared to most of the other computers of a similar type and age to the Z420. The system bus rates of many processor cores PCs that were released one year ago range from 6.4GT/s to 9.6GT/s.

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Quite Slow Memory Clock Speed

With a memory clock speed of only 1,866 megahertz, the HP Z420 has one of the slower memory clock speeds amongst many processor cores PCs of this age. The memory clock speeds of personal computers that are a similar age to the Z420 range from 1,600MHz to 2,200MHz, and the average memory clock speed is 2,100MHz.

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Only Two PCI Express X16 (Gen 3.x) Slotss

Most similar spec PCs that are a comparable age to the Z420 have between one and three PCI Express x16 (Gen 3.x) slotss, including the HP Z420 which has two PCI Express x16 (Gen 3.x) slotss.

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Only Not Supported Wi-Fi Standards

This PC supports a Not supported wi-Fi standards, which is typical of many computers of a comparable age and type to it.

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Only One Ethernet LAN (RJ-45) Ports

The HP Z420 is a one ethernet LAN (RJ-45) ports personal computer. Most of the other PCs that came out more than a year ago have one ethernet LAN (RJ-45) ports.

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Only 12 Processor Threadss

The HP Z420 is a 12 processor threads computer. Most of the other computers of a comparable spec and age to the Z420 have between 6 and 23 processor threadss.

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Quite Small Processor Cache

The average processor cache of personal computers of a comparable type and age to the Z420 is 17MB, and the processor caches range from 12MB to 30MB. At only 15 megabytes, the HP Z420 has a quite small processor cache compared to most of the other similar spec personal computers that are a comparable age to the Z420.

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4 Other reasons to consider the HP Z420

Released Over Two Years Ago

It was over two years ago when this HP PC was released.

Average Hard Drive Capacity

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

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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 similar spec desktop computers that have been on the market for a comparable time to the Z420.

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HDD Storage Media

The HP Z420 has an HDD storage media which is faster than most many processor cores PCs that were released more than a year ago. Most many processor cores PCs that have been available for a comparable time to it have an SSD storage media. 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 think you might also be interested in some of the other HDD PCs currently available including because of it's better review score, the HP Z420[plb_2498184_price].

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Specification

Processor
Processor Cores
Processor Family
Processor Frequency
PCI Express Slots Version
Processor Threads
System Bus Rate
Processor Cache
Processor Socket
Processor Boost Frequency
Processor Model
ECC Supported by Processor
Memory Channels Supported by Processor
Memory Bandwidth Supported by Processor (max)
Memory Clock Speeds Supported by Processor
Memory Types Supported by Processor
Maximum Internal Memory Supported by Processor
Conflict Free Processor
Processor Series
Tcase
Maximum Number of PCI Express Lanes
Number of QPI Links
Processor Operating Modes
PCI Express Configurations
Processor Codename
Processor Lithography
Thermal Design Power (TDP)
Bus Type
Processor Cache Type
Number of Processors Installed
Memory
Internal Memory
ECC
Memory Clock Speed
Memory Slots
Memory Layout (slots X Size)
Maximum Internal Memory
Internal Memory Type
Storage
Total Storage Capacity
Storage Media
Hard Drive Capacity
Compatible Memory Cards
RAID Levels
RAID Support
Hard Drive Speed
Hard Drive Interface
Number of Hard Drives Installed
Card Reader Integrated
Optical Drive
BD Interface Type
LightScribe
Optical Drives Quantity
Optical Drive Type
Graphics
On-Board Graphics Adapter Model
Discrete Graphics Adapter Model
Discrete Graphics Adapter Memory
On-Board Graphics Adapter
Software
Operating System Installed
Recovery Operating System
Operating System Architecture
Networking
Bluetooth
Wi-Fi Standards
Wi-Fi
Cabling Technology
Ethernet LAN Data Rates
Ethernet LAN
Ports & Interfaces
Firewire (IEEE 1394) Ports
SmartCard Slot
S/PDIF Out Port
Headphone Outputs
Microphone in
Line-Out
Line-in
DC-In Jack
Ethernet LAN (RJ-45) Ports
PS/2 Ports Quantity
DisplayPorts Quantity
DVI Port
USB 2.0 Ports Quantity
Combo Headphone/mic Port
USB 3.0 (3.1 Gen 1) Type-A Ports Quantity
Expansion Slots
PCI Slots
PCI Express X16 (Gen 3.x) Slots
PCI Express X8 (Gen 3.x) Slots
PCI Express X8 (Gen 2.x) Slots
PCI Express X4 (Gen 2.x) Slots
Design
Chassis Type
Placement Supported
Number of 5.25" Bays
Number of 3.5" Bays
Colour of Product
Water Cooling System
Performance
Audio System
Motherboard Chipset
Product Type
Processor Special Features
Intel® Anti-Theft Technology (Intel® AT)
Physical Address Extension (PAE)
Intel® Identity Protection Technology (Intel® IPT)
Intel® My WiFi Technology (Intel® MWT)
Intel® Quick Sync Video Technology
Intel® Hyper Threading Technology (Intel® HT Technology)
Intel Smart Connect Technology
Intel® Turbo Boost Technology
Intel® Smart Response Technology
Intel® VPro™ Technology
Intel® Wireless Display (Intel® WiDi)
Intel® High Definition Audio (Intel® HD Audio)
Intel 64
Enhanced Intel SpeedStep Technology
Intel® Rapid Start Technology
Intel® Small Business Advantage (Intel® SBA)
Intel® Matrix Storage Technology (Intel® MST)
Intel® Active Management Technology (Intel® AMT)
Intel® Secure Key
Intel Clear Video Technology
Intel® AES New Instructions (Intel® AES-NI)
Intel FDI Technology
Idle States
Intel® Insider™
Intel® Clear Video HD Technology (Intel® CVT HD)
Thermal Monitoring Technologies
Execute Disable Bit
InTru™ 3D Technology
Intel Trusted Execution Technology
Intel VT-X With Extended Page Tables (EPT)
Intel Fast Memory Access
Intel Flex Memory Access
Intel Virtualization Technology (VT-X)
Supported Instruction Sets
Intel Dual Display Capable Technology
Intel Enhanced Halt State
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)
Scalability
Intel Virtualization Technology for Directed I/O (VT-D)
Processor Package Size
CPU Configuration (max)
Intel Rapid Storage Technology
Intel Demand Based Switching
Intel® Smart Cache
Intel Secure Key Technology Version
Processor ARK ID
Power
Power Supply Input Voltage
Power Supply Input Frequency
Power Supply
Weight & Dimensions
Weight
Height
Depth
Width
Operational Conditions
Storage Relative Humidity (H-H)
Storage Temperature (T-T)
Operating Relative Humidity (H-H)
Operating Temperature (T-T)
Certificates
RoHS Compliance
EPEAT Compliance
Energy Star Certified
Packaging Content
Mouse Included
Numeric Keypad
Display Included
Keyboard Layout
Keyboard Supplied
AC Adapter Included
Other Features
Intel® Virtualization Technology (Intel® VT)
Cooling Type

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…

« Prev 1 of 2 Next »

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

Manufacturer Part Numbers hp wm639, hp wm639e, hp wm639et
Barcodes 00888182200360, 00888182200780, 00888182200827, 00888182414187, 00888182414194, 00888182414200, 00888182414217, 00888182414262, 00888182414897, 00888182414927, 00888182415580, 00888182415597, 00888182415603, 00888182415641, 00888182415665, 00888182415672, 00888182415689, 00888182677940, 00889296523789, 08881824142006, 08881824155976

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