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HP 840
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HP 840 12 Core Intel Xeon E5 V3 2.5GHz 32GB 512GB SSD

Expert Reviews Business Buy
12 Intel Xeon E5 V3 2.5GHz 32GB Dec 2015
Processor Cores Processor Family Processor Frequency Internal Memory Release Date
Push your computing boundaries with the HP Z840 Workstation that helps you keep up with your biggest projects. Built for high-end computing and visualization, it delivers outstanding performance... More
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HP Elitebook 840 G1  unbox and quick review 1/2
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REVIEW: 840 HP Hyperfast Mclaren 12C-You Gotta Have It!

13 Reasons For

64-Bit Processor Operating Modes

This desktop computer supports a 64-bit processor operating modes, which is the most frequently supported processor operating modes on many processor cores desktop computers that have been around for a similar time to it.

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HP PCs Have Good Reviews

Many processor cores desktop computers manufactured by HP have good ratings on average compared to other manufacturers. We also checked the reviews for all desktop computers (not just many processor cores desktop computers) and found that HP also has good ratings across its entire range.

Fairly Big Internal Memory

The internal memorys of many processor cores desktop computers that have been on the market for around the same time as the 840 range from 4GB to 64GB, and the average internal memory is 16GB. At 32 gigabytes, the HP 840 has a fairly big internal memory compared to most of the other comparable spec personal computers that are a similar age to the 840.

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SSD Storage Media

The storage speed of this desktop computer is SSD, which is the most commonly found storage media on PCs of a similar age and spec to it. Solid State Drives (SSD) store information in transistors on a circuit board rather than on optical or magnetic media. This has the advantage of being much faster than a traditional HDD drive.

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24 Processor Threadss

The HP 840 is a 24 processor threads PC. Most of the other many processor cores desktop computers that are a similar age to the 840 only have between 6 and 23 processor threadss.

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Fairly High System Bus Rate

The lowest system bus rate of desktop computers of this age and type is 6.4GT/s and the highest is 9.6GT/s. With a system bus rate of 9.6 Gigatransfers per second, the HP 840 has one of the higher system bus rates amongst many processor cores desktop computers of this age.

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Very Big Processor Cache

Across all the similar spec PCs that have been available for more than a year the processor caches range from 12MB to 30MB, and the average processor cache is 16MB. The processor cache of the HP 840 of 30 megabytes is one of the biggest amongst many processor cores desktop computers that have been around for around the same time as the 840.

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Quite Big Maximum Internal Memory

The HP 840 has a quite big maximum internal memory (512 gigabytes) compared to most of the other many processor cores desktop computers that have been available for a similar time to the 840. The smallest maximum internal memory of comparable spec PCs that were launched around the same time as the 840 is 32GB and the biggest is 770GB.

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DDR4-SDRAM Internal Memory Type

This PC has a DDR4-SDRAM internal memory type, which is the most commonly found internal memory type on computers of this age and spec.

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Two Ethernet LAN (RJ-45) Portss

The HP 840 is a two ethernet LAN (RJ-45) ports desktop computer.

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Fairly Big Solid-State Drive Capacity

The solid-state drive capacitys of personal computers of a similar type and age to the 840 range from 120GB to 1TB, and the average solid-state drive capacity is 310GB. When compared to other personal computers that have been available for a similar time to the 840, the solid-state drive capacity of the HP 840 of 512 gigabytes is one of the biggest.

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Has One Memory Slots

The HP 840 has a greater number of memory slots than most many processor cores desktop computers that have been around for around the same time as it. This desktop computer has an 8x DIMM memory slots, which is the most commonly found memory slots found on PCs of a comparable spec and age to the 840.

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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 many processor cores desktop computers that have been on the market for a comparable time to it.

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2 Reasons Against

Only Two USB 2.0 Ports Quantitys

The HP 840 is a two USB 2.0 ports quantity personal computer.

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

Most PCs of this age and type have between one and three PCI Express x16 (Gen 3.x) slotss, including the HP 840 which has two PCI Express x16 (Gen 3.x) slotss.

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3 Other reasons to consider the HP 840

Released Over a Year Ago

It was over a year ago when this personal computer was released.

Average Total Storage Capacity

With a total storage capacity of 512 gigabytes, the HP 840 has a relatively average total storage capacity compared to most of the other personal computers of this age and type.

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Average Processor Frequency

At 2.5 gigahertz, the HP 840 has a fairly typical processor frequency compared to most of the other computers of a comparable age and type to the 840.

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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
Stepping
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
Memory Clock Speed
Memory Slots
Memory Layout (slots X Size)
Maximum Internal Memory
Internal Memory Type
Storage
Total Storage Capacity
Storage Media
Solid-State Drive Interface
Solid-State Drive Capacity
Number of SSDs Installed
Card Reader Integrated
Optical Drive
BD Interface Type
Optical Drives Quantity
Optical Drive Type
Graphics
On-Board Graphics Adapter Model
Discrete Graphics Adapter Model
On-Board Graphics Adapter
Software
Operating System Installed
Recovery Operating System
Operating System Architecture
Networking
Wi-Fi
Cabling Technology
Ethernet LAN Data Rates
Ethernet LAN
Ports & Interfaces
Serial Ports Quantity
Headphone Outputs
Microphone in
Line-Out
Line-in
Ethernet LAN (RJ-45) Ports
PS/2 Ports Quantity
DVI Port
USB 2.0 Ports Quantity
USB 3.0 (3.1 Gen 1) Type-A Ports Quantity
Expansion Slots
PCI Express X16 (Gen 3.x) Slots
PCI Express X8 (Gen 3.x) Slots
PCI Express X4 (Gen 3.x) Slots
PCI Express X4 (Gen 2.x) Slots
PCI Express X1 (Gen 2.x) Slots
Design
Chassis Type
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® Turbo Boost Technology
Intel® VPro™ Technology
Intel® Wireless Display (Intel® WiDi)
Intel 64
Embedded Options Available
Enhanced Intel SpeedStep Technology
Intel® Secure Key
Intel Clear Video Technology
Intel® AES New Instructions (Intel® AES-NI)
Intel FDI Technology
Intel TSX-NI
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
Physical Address Extension (PAE)
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

1 Award

Expert Reviews Business Buy

Expert Reviews

(27)
1 April 2015

HP EliteBook 840 G2 H9W32ET, courtesy of HP Germany. HP's Elitebook 840 G2 is primarily a Broadwell upgrade. HP has not modified anything apart from exchanging the processor. The Broadwell...

27 June 2014

HP's EliteBook series has long been its premium business-notebook range. For this generation HP's naming convention has changed, going from a four digit model number to a designation that is... Read more…

The HP EliteBook 840 G1 has down-to-business looks, a great design, robust performance, and all the correct options for a business laptop. But you should try its eraser-head cursor control before...

20 February 2014

The HP EliteBook 840 G1 business laptop provides an outstanding keyboard and touch pad, long battery life, and a VGA port in a sleek, affordable package. Just be prepared to accept some compromises...

7 February 2014

Not cheap, but it is powerful with an excellent display and battery life...

Expert Reviews

« Prev 1 of 6 Next »

User Reviews

(13)
Reviewed 23 December 2014 by David S.

Had been a fan of the Lenovo line of notebooks for a long time but the newest Elitebooks have finally tipped me in favor of the HP notebooks. My brother got a new Lenovo notebook from his company... Read more…

Reviewed 5 January 2015 by Brian W.
(Verified Purchase)

Happy with the purchase.. the refurbished one cost over 600+ on other sites...

Reviewed 28 December 2014 by Emir M.
(Verified Purchase)

I've had this laptop for work for about six months and I liked it so much that I decided to buy one for myself when I saw the deal on newegg for Cyber Monday. The keyboard is great. The keys are... Read more…

Reviewed 11 March 2015 by Dan B.
(Verified Purchase)

I build computers. I have since very young, and have always been a desktop person. Over the years of a growing family, laptops have become more practical for us and I am very technical in general.... Read more…

Reviewed 14 January 2015 by Bret Z.

This system says it's a $1199 system on the specs, and although they generally have it much cheaper, it really is an $1199 system. It feels like you are holding a premium product, it has powerful... Read more…

« Prev 1 of 3 Next »

+- Manufacturer's Description

Product Identifiers

Barcodes 00889894878885, 00889894878946, 00889894889683, 00889894889744

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See How Other PCs Compare to the HP 840

Apple ME253 vs HP 840

Apple ME253 vs HP 840
Apple ME253
6 core Intel Xeon E5 3.5GHz 12GB 256GB Flash
HP 840
12 core Intel Xeon E5 v3 2.5GHz 32GB 512GB SSD
£ 2,537.72
Lighter
A Lot Faster Processor Frequency
Faster Processor Boost Frequency
Wi-Fi
Six Less Processor Coress
Only 12.00 Processor Threadss

HP 840 vs HP 840

HP 840 vs HP 840
HP 840
8 core Intel Xeon E5 v4 2.1GHz 16GB 1TB HDD
HP 840
12 core Intel Xeon E5 v3 2.5GHz 32GB 512GB SSD
£ 1,928.40
Bigger Max Internal Memory Supported Processor
488GB Bigger Total Storage Capacity
Marginally Faster Max Memory Bandwidth Supported Processor
Vastly Smaller Internal Memory
Only Eight Processor Cores
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