Dell OptiPlex All-in-One 7420
23.81-inch business all-in-one, the successor to the 7410, sold in two platforms: an "Energy Efficient" tier with 12th/14th Generation Intel Core T-series processors and DDR5 memory over an external AC adapter, and a "High Performance" tier with full-power 14th Generation Intel Core processors, faster DDR5 memory and an internal PSU. Integrated Intel graphics only; no discrete GPU option.
Memory
- Slots
- Two SO-DIMM slots
- Type
- DDR5
- Speed
- 4800 MT/s, 5200 MT/s, or 5600 MT/s depending on the installed processor
- Minimum
- 8 GB
- Maximum
- 64 GB
- Per-slot sizes
- 8 GB, 16 GB, or 32 GB
Storage
- M.2 2230 SSD, Class 25
- PCIe Gen4 x4 NVMe, up to 64 Gbps, up to 2 TB
- M.2 2230 SSD, Class 35
- PCIe Gen4 x4 NVMe, up to 64 Gbps, up to 1 TB
- M.2 2280 SSD, Class 40
- PCIe Gen4 x4 NVMe, up to 64 Gbps, up to 2 TB
- M.2 2230 SSD, self-encrypting, Class 35
- PCIe Gen4 x4 NVMe, up to 256 GB
- M.2 2280 SSD, self-encrypting, Class 40
- PCIe Gen4 x4 NVMe, up to 512 GB
- Configurations
- One M.2 2230/2280 SSD; up to two M.2 2230/2280 SSDs (High Performance tier only). The M.2 drive holding the OS is the primary drive.
Graphics
- Integrated
- Intel UHD Graphics 710, 730, or 770 depending on processor, shared system memory; no discrete GPU option
Power
- Energy Efficient adapter (option 1)
- 130 W AC adapter, 100 VAC-240 VAC, 50 Hz-60 Hz, 2.50 A max, 19.50 VDC output
- Energy Efficient adapter (option 2)
- 180 W AC adapter, 100 VAC-240 VAC, 50 Hz-60 Hz, 2.34 A max, 19.50 VDC output
- High Performance PSU
- Internal power-supply unit, 80 PLUS Bronze
- Operating temperature
- 0°C to 40°C (32°F to 104°F)
- Storage temperature
- -40°C to 70°C (-40°F to 158°F)
Ports
- Network
- 1 x RJ45 Ethernet port, 10/100/1000 Mbps
- USB (Energy Efficient)
- 1 x USB 3.2 Gen 2 (10 Gbps) with PowerShare; 1 x USB 3.2 Gen 2 (10 Gbps) Type-C; 2 x USB 3.2 Gen 1 (5 Gbps); 2 x USB 2.0 (480 Mbps) with Smart Power On
- USB (High Performance)
- 1 x USB 3.2 Gen 2 (10 Gbps) with PowerShare; 1 x USB 3.2 Gen 2 (10 Gbps) Type-C; 3 x USB 3.2 Gen 2 (10 Gbps); 2 x USB 3.2 Gen 1 (5 Gbps) with Smart Power On
- Audio
- 1 x universal audio port; 1 x retaskable audio line-out port
- Video
- 1 x DisplayPort++ 1.4a (both tiers); 1 x HDMI-in 1.4b and 1 x HDMI-out 2.1 (High Performance tier only)
- Media-card reader
- 1 x SD-card slot
- Power
- 1 x power-adapter port (Energy Efficient) or 1 x power-cable connector (High Performance)
- Security
- 1 x security-cable slot (3 mm x 7 mm, T-Bar design)
Display
- Type
- Full HD (FHD), ComfortView Plus
- Panel technology
- In-Plane Switching (IPS)
- Touch options
- Non-touch, or touch with 10 touch points
- Size (diagonal)
- 23.81 in (604.70 mm)
- Active area
- 527.04 x 296.46 mm
- Native resolution
- 1920 x 1080
- Luminance (typical)
- 250 nits (non-touch) or 300 nits (touch)
- Color gamut
- 99% sRGB
- Pixels per inch
- 92
- Contrast ratio
- 700:1 minimum, 1000:1 typical
- Response time
- 25 ms min (non-touch) / 20 ms min (touch), 14 ms typical
- Refresh rate
- 60 Hz
- Viewing angle (H/V)
- 85° min / 89° typical (both axes)
- Pixel pitch
- 0.27 mm
- Power consumption (max)
- 14.11 W (non-touch) / 17.26 W (touch)
- Finish
- Anti-glare
- Camera
- One FHD RGB retractable camera, 2.07 MP still / 1920x1080 (FHD) at 30 fps video, 82° diagonal viewing angle
Physical
- Front height
- 354.30 mm (13.95 in.)
- Rear height
- 354.30 mm (13.95 in.)
- Width
- 540 mm (21.26 in.)
- Depth
- 57.90 mm (2.28 in.)
- Weight (min/max)
- 5.61 kg / 6.32 kg (12.37 lb / 13.93 lb)
Management
- Chipset
- Intel Q670
- Supported processors
- 12th Gen Intel Core i3T/i5T vPro; Intel Core i3/i3T/i5 vPro/i5T vPro/i7 vPro; Intel 300/300T
- DRAM bus width
- 64-bit
- Flash EPROM
- 32 MB + 16 MB
- PCIe bus
- Up to Gen 4
Processors
- Intel Core i3-14100
- Intel Core i5-14500
- Intel Core i5-14600
- Intel Core i7-14700
- Intel 300
- Intel Core i3-12100T
- Intel Core i5-12500T
- Intel Core i3-14100T
- Intel Core i5-14500T
- Intel Core i5-14600T
- Intel 300T