Budget the complete setup
Budget for monitor, keyboard, mouse, cables and operating system if absent.
Expert reviews. One COR Score.
DELL OptiPlex 3020 reviews
tbd
Compare DELL OptiPlex 3020 reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.
Manufacturer code3020-8579
The product, explained
About the DELL OptiPlex 3020
DELL 3020-8579 is listed in the pcs/workstations category. The recorded specifications include processor family: Intel Pentium G; internal memory: 4 GB; total storage capacity: 500 GB; operating system installed: Windows 7 Professional. This entry covers manufacturer code 3020-8579. Specifications relate to this exact source record; other editions or packages may differ.
This configuration lists 4 GB of memory and 500 GB of storage. Memory supports active applications; storage holds software and files. Check upgradeability separately, because a capacity figure does not establish whether either component can be replaced.
- Processor family
- Intel Pentium G
- Processor model
- G3250
- Memory (RAM)
- 4 GB
- Total storage capacity
- 500 GB
- Storage media
- HDD
- Operating system installed
- Windows 7 Professional
Make it work for you
Before choosing the DELL OptiPlex 3020
Match components to applications
Match processor, memory and graphics to named applications.
Measure desk and ventilation
Measure desk and ventilation space, including cable access.
Confirm display support
Confirm monitor outputs, resolution and refresh support.
Independent perspectives
Expert reviews 0
Independent ratings, converted to the same five-point scale. Each card links to the original review and identifies the available evidence.
No scored critic reviews have been imported for this exact product yet. It remains unrated.
Independent reviews, made comparable
What does the COR Score mean?
One consistent scale makes different publishers’ ratings easier to compare. The original review still tells you why a critic reached that verdict.
Read our scoring methodology →Scale conversion · example
8/ 104.00/ 5
An illustration of conversion, not this product’s rating.
Check the match
Identify the exact model and the version reviewed. Check the manufacturer code, configuration and supplied accessories.
Compare on one scale
Convert usable ratings to five points, count each publisher once and give each critic equal weight.
Require three critics
Show the average to two decimal places after three distinct critics. Otherwise display tbd, keeping individual reviews visible.
Find the best fit by considering the score alongside the critic count, review dates, tested version and the strengths that matter to you. Eligible model-level reviews identify the tested configuration. Reviews of different hardware are shown separately and do not enter this product’s COR Score.
Know exactly what you’re buying
DELL OptiPlex 3020 specifications
Manufacturer code: 3020-8579 · Icecat product 27261625 · Checked 21 Sep 2026. Specifications belong to this exact model.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Processor family | Intel Pentium G |
|---|---|
| Processor model | G3250 |
| Memory (RAM) | 4 GB |
| Total storage capacity | 500 GB |
| Storage media | HDD |
| Operating system installed | Windows 7 Professional |
| Chassis type | SFF |
| Ethernet LAN | Yes |
More product specifications
Open a section for the details that matter to you.
Audio & listening2 details
| Headphone outputs | 1 |
|---|---|
| Microphone in | Yes |
Display3 details
| Number of displays supported (on-board graphics) | 3 |
|---|---|
| Intel Dual Display Capable Technology | No |
| Display included | No |
Processor, memory & storage42 details
| Processor manufacturer | Intel |
|---|---|
| Processor cores | 2 |
| Processor threads | 2 |
| Processor frequency | 3.2 GHz |
| Processor cache | 3 MB |
| Processor cache type | Smart Cache |
| Processor lithography | 22 nm |
| Processor operating modes | 64-bit |
| Processor series | Intel Pentium G3000 series for Desktop |
| Processor codename | Haswell |
| Number of processors installed | 1 |
| Processor socket | LGA 1150 (Socket H3) |
| Maximum internal memory supported by processor | 32 GB |
| Memory types supported by processor | DDR3-SDRAM |
| Memory clock speeds supported by processor | 1333 MHz |
| Memory bandwidth supported by processor (max) | 21.3 GB/s |
| ECC supported by processor | Yes |
| Maximum internal memory | 16 GB |
| Internal memory type | DDR3-SDRAM |
| Memory layout (slots x size) | 1 x 4 GB |
| Memory slots | 2x DIMM |
| Memory clock speed | 1600 MHz |
| Number of storage drives installed | 1 |
| HDD capacity | 500 GB |
| HDD size | 3.5" |
| On-board graphics card | Yes |
| On-board graphics card family | Intel® HD Graphics |
| On-board graphics card model | Intel® HD Graphics |
| On-board graphics card base frequency | 350 MHz |
| On-board graphics card dynamic frequency (max) | 1100 MHz |
| Maximum on-board graphics card memory | 1.7 GB |
| On-board graphics card DirectX version | 11.1 |
| Motherboard chipset | Intel® H81 |
| Intel Stable Image Platform Program (SIPP) | No |
| Intel® Smart Cache | Yes |
| Processor package size | 37.5 x 37.5 mm |
| Processor code | SR1K7 |
| Graphics & IMC lithography | 22 nm |
| Intel Stable Image Platform Program (SIPP) version | 0.00 |
| Intel Rapid Storage Technology | No |
| Processor ARK ID | 83538 |
| Conflict-Free processor | Yes |
Camera, image & video4 details
| Intel® Clear Video HD Technology (Intel® CVT HD) | No |
|---|---|
| Intel Clear Video Technology | No |
| Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID) | No |
| Intel® Quick Sync Video Technology | Yes |
Connections & wireless9 details
| HDD interface | SATA |
|---|---|
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| USB 2.0 ports quantity | 6 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| DisplayPort connections | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| VGA (D-Sub) ports quantity | 1 |
| DVI port | No |
| Intel® Wireless Display (Intel® WiDi) | No |
Power & battery1 detail
| Power supply | 255 W |
|---|
Controls & features2 details
| Intel® Smart Response Technology | No |
|---|---|
| Intel Smart Connect Technology | No |
Design & dimensions10 details
| Thermal Design Power (TDP) | 53 W |
|---|---|
| Password protection | Yes |
| Product type | PC |
| Placement supported | Horizontal/Vertical |
| Product colour | Black |
| Intel® Identity Protection Technology (Intel® IPT) | No |
| Width | 93 mm |
| Depth | 312 mm |
| Height | 290 mm |
| Weight | 6 kg |
Software & compatibility5 details
| Operating system architecture | 64-bit |
|---|---|
| Recovery operating system | Windows 8.1 |
| Supported instruction sets | SSE4.1, SSE4.2 |
| Compliance certificates | RoHS |
| Certification | CECP, WEEE |
Further product details58 details
| System bus rate | 5 GT/s |
|---|---|
| Bus type | DMI |
| FSB Parity | No |
| Tcase | 72 °C |
| PCI Express slots version | 3.0 |
| Maximum number of PCI Express lanes | 16 |
| PCI Express configurations | 1x16, 2x8, 1x8+2x4 |
| Stepping | C0 |
| Non-ECC | Yes |
| Memory channels | Dual-channel |
| Optical drive type | DVD±RW |
| Number of HDDs installed | 1 |
| Optical drives quantity | 1 |
| Cabling technology | 10/100/1000Base-T(X) |
| Line-out | Yes |
| Line-in | Yes |
| Number of 3.5" bays | 1 |
| PCI Express x1 slots | 1 |
| PCI Express x16 slots | 1 |
| Water cooling system | No |
| Number of 5.25" bays | 1 |
| Cable lock slot | Yes |
| Intel® Small Business Advantage (Intel® SBA) | No |
| Intel 64 | Yes |
| Intel® Virtualization Technology (Intel® VT) | VT-x |
| Enhanced Intel SpeedStep Technology | Yes |
| Embedded options available | No |
| Intel® InTru™ 3D Technology | No |
| Intel® Insider™ | No |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel TSX-NI | No |
| Idle States | Yes |
| Thermal Monitoring Technologies | Yes |
| Intel® AES New Instructions (Intel® AES-NI) | No |
| Intel® Secure Key | Yes |
| Intel Trusted Execution Technology | No |
| Execute Disable Bit | Yes |
| Intel FDI Technology | No |
| Intel Flex Memory Access | No |
| Intel Fast Memory Access | No |
| Intel Enhanced Halt State | Yes |
| Intel Demand Based Switching | No |
| Scalability | 1S |
| CPU configuration (max) | 1 |
| Thermal solution specification | PCG 2013C |
| Intel Virtualization Technology for Directed I/O (VT-d) | No |
| Intel Secure Key Technology version | 1.00 |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel TSX-NI version | 0.00 |
| Intel® Rapid Start Technology | No |
| Intel® Turbo Boost Technology | No |
| Intel® Hyper Threading Technology (Intel® HT Technology) | No |
| Intel® My WiFi Technology (Intel® MWT) | No |
| Intel® Anti-Theft Technology (Intel® AT) | No |
| Mouse included | No |
| Keyboard included | No |
| Sustainability certificates | ENERGY STAR |
| Intel segment tagging | Enterprise, Small Business |
Packaging & supplied accessories2 details
| Cables included | AC |
|---|---|
| Manual | Yes |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
Build your shortlist
Compare other desktop pcs
More products in this category. Compare their exact features, original reviews and available offers alongside the DELL OptiPlex 3020.
| Product | Brand | Shown model | COR Score |
|---|---|---|---|
| Apple Mac mini M6 reviews → | Apple | MHQM4B/A512 GB · 24 GB RAM · M6 · Silver | tbd2 critic reviews · Available after 3 |
| Apple iMac 24 M4 reviews → | Apple | MWV53B/A512 GB · 16 GB RAM · M4 · Pink | tbd0 critic reviews · Available after 3 |
| Apple Mac mini M5 Pro reviews → | Apple | MHQN4B/A512 GB · 24 GB RAM · M5 Pro · Silver | tbd0 critic reviews · Available after 3 |
| Apple Mac Studio M5 Max reviews → | Apple | MHQJ4B/A1 TB · 64 GB RAM · M5 Max · Silver | tbd0 critic reviews · Available after 3 |
Your questions, answered
DELL OptiPlex 3020 FAQs
How many expert reviews are available for DELL OptiPlex 3020?
No scored critic reviews have been imported for this product yet. This means review coverage is missing; it does not mean the product received a poor review.
What is the COR Score for DELL OptiPlex 3020?
The COR Score is tbd. We publish a combined score only after at least three distinct critics have usable ratings. Any individual reviews already available remain visible.
Which exact version does this page cover?
This page identifies DELL OptiPlex 3020 using manufacturer code 3020-8579. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.
What is the listed processor family for DELL OptiPlex 3020?
The source specification records processor family as Intel Pentium G. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
What is the listed processor model for DELL OptiPlex 3020?
The source specification records processor model as G3250. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
Where can I compare prices for DELL OptiPlex 3020?
Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.
Is a desktop cheaper than a laptop?
It can offer different value, but compare the whole usable setup including display and peripherals.
Can I upgrade any desktop?
No. Chassis, power supply, motherboard and warranty constraints vary. Read the exact model documentation.
Does a larger power supply use more electricity?
Its rating is capacity, not a measure of constant consumption. Actual use depends on the components and workload.
How should I use the specifications alongside reviews?
Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.
Understand your options
Desktop PC buying guides
Explore one topic in depth before making your shortlist.
Start with the complete buying guide →Desktop PC sizes explained: tower, small form factor and mini PCA full tower, compact business desktop and mini PC may use processors with similar names yet behave differently under sustained work. Case volume influences component choice, cooling and the repairs possible later.Desktop graphics card upgrades: the compatibility checksTreat a graphics upgrade as a case, slot, power, cooling and software project rather than a single connector swap.Choosing a desktop CPU without ignoring coolingMatch processor class to sustained workloads, then check power limits, cooler and case airflow.Prebuilt vs custom desktop PCsBalance warranty, setup and known compatibility against component choice, repair freedom and assembly responsibility.