Exceptional power. Elevated performance. Maximise power and productivity with Dell Pro Max 18 Plus, a powerful, modern 18-inch laptop that combines exceptional screen space and performance with scalability and advanced on-device AI.
Specifications
Design
Colour name
Magnetite
Product type
Mobile workstation
Product colour
Black
Form factor
Clamshell
Intel® vPro™ Platform Eligibility
Yes
Display
Display diagonal
45.7 cm (18")
Display resolution
2560 x 1600 pixels
Touchscreen
No
HD type
Quad HD+
Panel type
WVA
Display technology marketing name
ComfortView Plus
Native aspect ratio
16:10
Anti-glare screen
Yes
Display brightness
500 cd/m²
Pixel density
168 ppi
RGB colour space
DCI-P3
Colour gamut
100%
Display response rise/fall
30 ms
Maximum refresh rate
120 Hz
Contrast ratio (typical)
1000:1
Processor
Processor manufacturer
Intel
Processor family
Intel Core Ultra 9
Processor generation
Intel Core Ultra (Series 2)
Processor model
285HX
Processor cores
24
Processor threads
24
Processor boost frequency
5.5 GHz
Performance cores
8
Efficient cores
16
Performance-core Max Turbo Frequency
5.5 GHz
Efficient-core Max Turbo Frequency
4.6 GHz
Performance-core base frequency
2.8 GHz
Efficient-core base frequency
2.1 GHz
Processor cache
36 MB
Processor base power
55 W
Maximum turbo power
160 W
Neural processor unit (NPU)
Neural processor unit (NPU)
Intel AI Boost
Sparsity support
Yes
Windows Studio effects support
Yes
AI software frameworks supported by NPU
DirectML, OpenVINO, Windows ML, ONNX RT, WebNN
Total processor performance up to
36 TOPs
NPU performance up to
13 TOPs
GPU performance up to
8 TOPs
Memory
Internal memory
32 GB
Internal memory type
DDR5-SDRAM
Memory form factor
CSODIMM
Memory layout (slots x size)
2 x 16 GB
Maximum internal memory
64 GB
Memory channels
Dual-channel
Memory data transfer rate
6400 MT/s
Non-ECC
Yes
Storage
Total storage capacity
1 TB
Storage media
SSD
Total SSDs capacity
1 TB
Number of SSDs installed
1
SSD capacity
1 TB
SSD memory type
TLC
SSD interface
PCI Express 4.0
NVMe
Yes
SSD form factor
M.2
Self-Encrypting Drive (SED)
Yes
Optical drive type
No
Card reader integrated
Yes
Compatible memory cards
SD, SDHC, SDXC
Graphics
Discrete GPU manufacturer
NVIDIA
Discrete graphics card model
NVIDIA RTX PRO 3000 Blackwell
Discrete graphics card memory
12 GB
Discrete graphics memory type
GDDR7
On-board graphics card
Yes
On-board GPU manufacturer
Intel
Discrete graphics card
Yes
On-board graphics card family
Intel® Graphics
On-board graphics card model
Intel® Graphics
Audio
Audio chip
Cirrus Logic CS42L43
Number of built-in speakers
2
Speaker power
2.5 W
Built-in microphone
Yes
Camera
Front camera
Yes
Front camera resolution (numeric)
8.29 MP
Front camera resolution
1920 x 1080 pixels
Front camera HD type
Full HD
Video capturing speed
30 fps
Infrared (IR) camera
Yes
Privacy camera
Yes
Privacy type
Privacy shutter
Network
Top Wi-Fi standard
Wi-Fi 7 (802.11be)
Mobile network connection
No
Wi-Fi band
Tri-band (2.4 GHz / 5 GHz / 6 GHz)
Wi-Fi data rate (max)
5760 Mbit/s
WLAN controller model
Intel Wi-Fi 7 BE200
WLAN controller manufacturer
Intel
Ethernet LAN
Yes
Ethernet LAN data rates
10,1000,2500,100 Mbit/s
Bluetooth
Yes
Near Field Communication (NFC)
Yes
Ports & interfaces
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
Ethernet LAN (RJ-45) ports
1
HDMI ports quantity
1
HDMI version
2.1
Thunderbolt 4 ports quantity
1
Thunderbolt 5 ports quantity
2
Intel® Thunderbolt 4
Yes
Intel® Thunderbolt 5
Yes
Combo headphone/mic port
Yes
USB Type-C DisplayPort Alternate Mode
Yes
PowerShare
Yes
Performance
Ambient light sensor
Yes
Accelerometer
Yes
Hall sensor
Yes
Keyboard
Pointing device
Touchpad
Numeric keypad
Yes
Keyboard backlit
Yes
Keyboard language
UK English
Copilot key
Yes
Software
Operating system architecture
64-bit
Trial software
Activate Your Microsoft 365 For A 30 Day Trial
Operating system installed
Windows 11 Pro
Brand-specific features
Brand specific technologies
Express Charge Boost capable, TNR, HDR Camera, Control Vault 3+
Battery
Battery technology
Lithium-Ion (Li-Ion)
Number of battery cells
6
Battery capacity
96 Wh
Battery voltage
11.7 V
Battery recharge time
3 h
Fast charging
Yes
Power
USB Type-C charging port
Yes
USB Type-C required charging power (min)
90 W
USB Power Delivery (USB PD)
Yes
Security
Cable lock slot
Yes
Cable lock slot type
Noble
Fingerprint reader
Yes
Smart card reader
Yes
Trusted Platform Module (TPM)
Yes
Trusted Platform Module (TPM) version
2.0
Dell ControlVault
Yes
Operational conditions
Operating temperature (T-T)
0 - 35 °C
Storage temperature (T-T)
-40 - 65 °C
Operating relative humidity (H-H)
10 - 90%
Storage relative humidity (H-H)
0 - 95%
Operating altitude
-15.2 - 3048 m
Non-operating altitude
-15.2 - 10668 m
Operating shock
110 G
Non-operating shock
160 G
Operating vibration
0.66 G
Non-operating vibration
1.3 G
Weight & dimensions
Width
402 mm
Depth
279.9 mm
Height (front)
1.79 cm
Height (rear)
1.96 cm
Weight
3.25 kg
Carbon footprint
Total carbon footprint (kg of CO2e)
207
Carbon emissions, manufacturing (kg of CO2e)
152.56
Carbon emissions, logistics (kg of CO2e)
9.32
Carbon emissions, energy usage (kg of CO2e)
37.26
Carbon emissions, end-of-life (kg of CO2e)
7.87
PAIA version
GaBi version 1, 2025
Product details
Part number
PX91H
Brand
DELL
Supplier description
SPL PRO MAX 18 PLUS MB18250 U9-285HX 32/1TB 18IN W11P NO PSU
EAN
5397321002185
In the box
AC adapter included: No
Delivery & returns
Delivery: £5.99 on orders under £50, free on orders over £50. In-stock items are delivered within 2 to 4 working days (UK). We email you when your order ships.
Returns and faults: most products carry a manufacturer's warranty. Email hello@redeagle.tech and we arrange the return with our distributor for you. Full details: returns policy and shipping policy.
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