Ultracompact, energy efficient desktop with versatile deployment and custom mounting options. Powerfully efficient: Powered by 6th generation Intel Core processors. Multitask smoothly: Up to 16GB...
Prices will go up £25
within 2 weeks. 90% confidence. Chart
Get Price Alerts
You are subscribed to price alerts for this product Unsubscribe
* Monthly payments are estimates only and you should verify the finance payment amounts on the retailer's website.
Finance may not be available on this product and you should verify on the retailer's website whether finance options are available for the DELL OptiPlex 3040.
Credit is subject to eligibility. You will need to apply through the retailer's application process.
Our website is completely free for you to use but we may receive a commission from some of the companies we feature. How our site works.
18 Reasons For
Good Expert Reviews
Expert review website PC Mag scored this desktop computer 80 out of 100.
Good Product Quality
Several DELL OptiPlex 3040 reviewers who bought the product reckoned that it was good quality. In October this year Pc Mag mentioned in their DELL OptiPlex 3040 review “Great call quality and volume” and scored the product 4 stars. Pc Mag also said “Excellent call quality”.
Just Released Two Months Ago
This personal computer was released just two months ago. Newer personal computers like this one are likely to use better technology.
Acceptable Noise Level
Several DELL OptiPlex 3040 owners who bought the DELL OptiPlex 3040 reckoned that it was quiet. Pc Mag wrote in October this year “Silent operation” and scored this PC 80 out of 100. Pc Mag also said “Very quiet in use”.
A few DELL OptiPlex 3040 reviewers wrote in their reviews that it was compact. In October Pc Mag mentioned on PC Mag “Compact chassis with some internal expansion space” in their review of the DELL OptiPlex 3040. Pc Mag also mentioned “Compact dimensions”.
Large Storage Capacity
One DELL OptiPlex 3040 owner mentioned that it had good storage. In October Pc Mag mentioned “Fold down handle for easy storage”.
+13 More reasons for
Easy to Use
One customer who purchased the DELL OptiPlex 3040 thought it was easy to use.
DELL Has Good Reviews for Its Desktop Computers
DELL has good average ratings for its medium processor core computers as well as across its entire computer range compared to other manufacturers.
One DELL OptiPlex 3040 owner mentioned in their reviews that it was aesthetic. In October Pc Mag wrote on PC Mag “Aesthetically and technically impressive” and gave the product a score of 4 stars.
Good Battery Life
One person who bought it reckoned that it had a good battery life. This year Pc Mag wrote on PC Mag “Good battery life” in their DELL OptiPlex 3040 review.
64-Bit Processor Operating Mode
This computer supports a 64-bit processor operating mode, which is typical of many new PCs.
Price Drop of £43.99
In the last 34 days the OptiPlex 3040 has dropped in price by £43.99.
10/100/1000Base-T(X) Cabling Technology
This computer has a 10/100/1000Base-T(X) cabling technology, which is typical of many recently released personal computers.
3 PCI Express Slots Version
This personal computer supports a 3 PCI Express slots version, which is typical of many medium processor core computers that came out around the same time as it.
Across all the recently released personal computers the heights range from 10mm to 530mm, and the average height is 300mm. At only 182 millimeters, the OptiPlex 3040 is quite short compared to most of the other recently released medium processor core computers.
The average weight of personal computers that came out in the last year is 7kg. At only 1.4 kilograms, the OptiPlex 3040 is fairly light compared to most of the other new medium processor core computers.
Personal computers that have been available for the last year have depths of between 34mm and 600mm. At only 176 millimeters, the OptiPlex 3040 is quite shallow compared to most of the other newly released medium processor core computers.
The narrowest similar spec PC that came out in the last 12 months is 34mm wide, the widest is 7,100mm, and the average width is 200mm. The width of the DELL OptiPlex 3040 of only 36 millimeters is one of the narrowest amongst personal computers that have been available for a comparable time to the OptiPlex 3040.
11 Reasons Against
One DELL OptiPlex 3040 owner considered that the DELL OptiPlex 3040 was not reliable. In October this year Pc Mag mentioned in their review of this PC on PC Mag “Not always reliable” but in spite of that they still gave it a score of 80 out of 100.
One person who bought the product reckoned that it was not well made. This month Pc Mag mentioned “Chunky plastic build” in their review.
Quite Slow Processor Clock Speed
With a processor clock speed of only 2.5 gigahertz, the OptiPlex 3040 has a quite slow processor clock speed compared to most of the other personal computers that are a similar age to the OptiPlex 3040. The processor clock speeds of medium processor core computers that were released around the same time as the OptiPlex 3040 range from 1.3GHz to 4GHz, and the average processor clock speed is 3.1GHz.
There are a number of other 2.5GHz processor clock speed desktop computers currently available that you might also want to consider including the Lenovo ThinkCentre M900 Tiny (£349.00) which is cheaper.
If this computer processor clock speed is too slow for you then you might want to consider the HP 600 G2 (£579.99) (3.2GHz) which is also cheaper.
Very Small Internal Memory
At only 4 gigabytes, the OptiPlex 3040 has a quite small internal memory compared to most of the other medium processor core computers that have been around for a comparable time to the OptiPlex 3040. The internal memory of latest medium processor core computers range from 2GB to 32GB.
There are a number of other 4GB memory computers currently available that you might also want to consider including the Lenovo E73 (£329.98) which is cheaper.
If you would prefer a bigger internal memory then you might want to look at the HP 600 G2 (£579.99) (8GB and cheaper).
Very Small Hard Drive Capacity
The average hard drive capacity of recently released medium processor core computers is 940GB, and the hard drive capacity range from 120GB to 3TB. At only 500 gigabytes, the DELL OptiPlex 3040 has a fairly small hard drive capacity compared to most of the other medium processor core computers that are a comparable age to the OptiPlex 3040.
Other 500GB hard drive capacity computers currently available that you might want to look at include the HP 800 G2 (£604.97) which is cheaper.
+8 More reasons against
Only Two USB 2.0 Ports
The OptiPlex 3040 is a two USB 2.0 port computer.
Only 10 Mbit/s Ethernet LAN Data Rate
This PC supports a 10|100|1000 Mbit/s Ethernet LAN data rate, which is typical of many new PCs.
Very Small Maximum Internal Memory
Across all the computers that came out in the last year the maximum internal memory range from 2GB to 260GB, and the average maximum internal memory is 40GB. With a maximum internal memory of only 16 gigabytes, the OptiPlex 3040 has a fairly small maximum internal memory compared to most of the other latest medium processor core computers.
Quite Small Processor Cache
At only 6 megabytes, the DELL OptiPlex 3040 has a fairly small processor cache compared to most of the other medium processor core computers that have been available for around the same time as the OptiPlex 3040. The smallest processor cache of recently released medium processor core computers is 2MB and the biggest is 10MB.
Quite Slow Memory Clock Speed
Across all the new medium processor core computers the memory clock speeds range from 1,000MHz to 2,400MHz, and the average memory clock speed is 1,900MHz. With a memory clock speed of only 1,600 megahertz, the OptiPlex 3040 has one of the slower memory clock speeds amongst medium processor core computers of this age.
Only Four Processor Threads
The DELL OptiPlex 3040 is a four processor thread desktop computer.
Quite Slow Maximum Turbo Frequency
At only 3.1 gigahertz, the OptiPlex 3040 has a fairly slow maximum turbo frequency compared to most of the other medium processor core computers that have been available for the last year. The average maximum turbo frequency of new medium processor core computers is 3.6GHz.
2 Other reasons to consider the DELL OptiPlex 3040
Average Total Storage Capacity
With a total storage capacity of 500 gigabytes, the DELL OptiPlex 3040 has a relatively standard total storage capacity compared to most of the other recently released PCs.
We compared this desktop computer to all the other 500GB total storage capacity desktop computers and we think cheaper personal computers such as the HP 800 G2 (£604.97), and the Fujitsu P420 E85+ is also worth considering.
HDD Storage Medium
The storage speed of this desktop computer is HDD, which is typical of many comparable spec PCs that have been on the market for a similar time to 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.
There are a number of other HDD personal computers currently available that you might also want to look at including the Acer Veriton M2610 (£324.97) which is cheaper.
If you want a PC with a faster storage speed then you might want to consider the HP 600 G2 (£348.47) (SSD and cheaper).
Intel Core i5, Intel Core i5-6xxx
Processor Clock Speed
PCI Express Slots Version
System Bus Data Transfer Rate
Maximum Turbo Frequency
565, I5-650, I5-6500, I5-6500T
Processor Memory Voltage
1.3, 1.35, 5
Memory Channel Supported Processor
Max Memory Bandwidth Supported Processor
Memory Clock Speed Supported by Processor
Memory Type Supported Processor
DDR3L, DDR3L-SDRAM, DDR4-SDRAM
Max Internal Memory Supported Processor
Conflict Free Processor
PCI Express Lane (maximum)
Processor Operating Mode
PCI Express Configuration
1x1, 1x16, 2x8, 1x8, 1x8+2x4, 2x4
Thermal Design Power (TDP)
Processor Cache Type
Smart Cache, L3
Memory Clock Speed
1 x 4
Maximum Internal Memory
Internal Memory Type
Total Storage Capacity
Hard Drive Capacity
Hard Drive Speed
Storage Drive Installed
On-Board Graphics Adapter Model
Intel HD Graphics, Intel HD Graphics 530
On-Board Graphics Adapter ID
On-Board Graphics Adapter OpenGL Version
On-Board Graphics Adapter Dynamic Frequency
On-Board Graphics Adapter Base Frequency
On-Board Graphics Adapter Burst Frequency
Displayssupported by On-Board Grap
Maximum On-Board Graphics Adapter Memory
Windows 7 Professional
Recovery Operating System
Windows 10 Pro
Operating System Architecture
Ethernet LAN Data Rate
10, 10, 100, 10, 100, 1000
Ethernet LAN Connection
Ports & Interfaces
Ethernet LAN (RJ-45) Port
USB 2.0 Port
Combo Headphone/mic Port
USB 3.0 (3.1 Gen 1) Type-A Port
1.2L sized PC, 2L sized PC
Horizontal, Horizontal/Vertical, Vertical
Cable Lock Slot Type
Cable Lock Slot
Mini PC, Mini PC (<= 3L), PC
Processor Special Features
Intel Quick Sync Videotechnology
Intel Turbo Boost Technology
Intel VPro Technology
Intel Wireless Display (WiDi) Technology
Enhanced Intel SpeedStep Technology
Intel Small Business Advantage (SBA)
Intel Secure Key
Intel Clear Video Technology
Intel AES New Instructions
Intel Stable Image Platform Program (SIPP)
Intel Clear Video HD Technology
Thermal Monitoring Technology
Execute Disable Bit
Intel InTru 3D Technology
Intel Trusted Execution Technology
Intel VT-X With Extended Page Tables (EPT)
Intel Virtualization Technology (VT-X)
SSE, SSE4.2, AVX, AVX 2.0, SSE, SSE4.1
Intel Enhanced Halt State
Intel Clear Video Technology for MID
Intel Small Business Advantage (SBA) Version
Intel Virtualization Technology for Directed I/O
Thermal Solution Specification
Processor Package Size
CPU Configuration (max)
Intel Stable Image Platform Program (SIPP) Version