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Dell Latitude 5431

12th Gen (Alder Lake P) H-series successor to the 5421: a 14-inch Latitude 5000-series business laptop with up to a 12-core/16-thread Core i7-1270P, DDR5-4800 memory up to 64 GB, Thunderbolt 4, an optional NVIDIA GeForce MX550 discrete GPU and Wi-Fi 6E. Dell's store now lists it as discontinued.

Memory

Slots
2 × DDR5 SO-DIMM, dual-channel
Speed
4800 MHz
Minimum
8 GB (1 × 8 GB)
Maximum
64 GB (2 × 32 GB)
Factory configurations
8 GB (1×8), 16 GB (1×16 or 2×8), 32 GB (1×32 or 2×16), 64 GB (2×32)

Storage

M.2 2230 SSD
Class 35, PCIe NVMe, up to 512 GB
M.2 2280 SSD
Class 40, PCIe NVMe, up to 2 TB
M.2 2230 SSD (self-encrypting)
Class 35, PCIe NVMe SED, 256 GB
M.2 2280 SSD (self-encrypting)
Class 40, PCIe NVMe SED, 512 GB
Slot
One M.2 2230/2280 slot with SSD boot support; no 2.5" bay
Card reader
microSD

Graphics

Integrated
Intel Iris Xe Graphics, shared system memory
Discrete (optional)
NVIDIA GeForce MX550, 2 GB GDDR6

Expansion

M.2 WLAN
One M.2 2230 slot for the Wi-Fi/Bluetooth card
M.2 SSD
One M.2 2230/2280 slot for the solid-state drive
M.2 WWAN (optional)
One M.2 3042 Key-B slot

Networking

Ethernet
Intel I219-V / I219-LM, 10/100/1000 Mbps, RJ45
Wi-Fi option 1
Realtek RTL8822CE, up to 867 Mbps, 802.11a/b/g/n/ac, 2.4/5 GHz, Bluetooth 5.0
Wi-Fi option 2
Intel AX211, up to 2400 Mbps, Wi-Fi 6E, 2.4/5/6 GHz, Bluetooth 5.2
Wi-Fi option 3
Intel AX211, up to 2400 Mbps, Wi-Fi 6E, 2.4/5/6 GHz, no Bluetooth
WWAN (optional)
Intel XMM 7360 Global LTE-Advanced, up to 450 Mbps DL / 50 Mbps UL (Cat 9); GPS/BDS/GLONASS
Encryption
64-bit/128-bit WEP, 128-bit AES-CCMP, TKIP

Power

90 W USB-C adapter
20 V/4.50 A, 15 V/3 A, 9 V/3 A, 5 V/3 A; UMA configuration only; 22×66×130 mm
130 W USB-C adapter
20 V/6.50 A, 5 V/1 A; 22×66×143 mm
Input
100-240 VAC, 50/60 Hz
Operating temp
0-40 °C

Ports

Network
1 × RJ45 Ethernet
USB-A
1 × USB 3.2 Gen 1 Type-A, 1 × USB 3.2 Gen 1 Type-A with PowerShare
Thunderbolt
2 × Thunderbolt 4 with DisplayPort Alt Mode / USB4 / Power Delivery
Video
1 × HDMI 2.0
Audio
1 × headset (headphone + microphone combo) jack
Card slots
microSD; microSIM (WWAN models)
Power in
USB Type-C
Security
1 × wedge-shaped lock slot

Display

HD TN
1366×768, 220 nits, 45% NTSC, 300:1, 25 ms, anti-glare, non-touch
FHD WVA
1920×1080, 250 nits, 45% NTSC, 600:1, 35 ms, anti-glare, non-touch
FHD WVA (72% NTSC)
1920×1080, 300 nits, 72% NTSC, 600:1, 35 ms, anti-glare, touch
FHD WVA SLP Low Blue Light
1920×1080, 400 nits, 100% sRGB, 1000:1, 35 ms, anti-glare, Super Low Power, non-touch
FHD WVA Privacy
1920×1080, 300 nits, 100% sRGB, 600:1, 35 ms, anti-glare, touch, integrated privacy filter
Size
14.00 in. diagonal, 60 Hz

Battery

64 Wh (4-cell, standard)
15.20 VDC; 0.283 kg max; 7.60×226.60×81.40 mm; charge 0-45 °C, discharge 0-70 °C
64 Wh (4-cell, Long Cycle Life)
15.20 VDC; 0.283 kg max; 7.60×226.60×81.40 mm; charge 0-45 °C, discharge 0-70 °C
Storage temp
-20-65 °C
Charging
About 2 hours with the computer off
ExpressCharge
Supported
Coin cell
CR2032

Physical

Dimensions
321.35 × 212.00 mm; 20.95 mm (front) to 23.60 mm (rear) thick
Weight
1.49 kg (3.30 lb)

Management

TPM
Trusted Platform Module 2.0, FIPS 140-2 and TCG certified
Fingerprint reader (optional)
Windows Hello fingerprint reader, or with ControlVault 3
Smart card (optional)
Contactless smart card / NFC with FPR + CV3; contacted smart card reader with CV3, FIPS 201 certified
Camera privacy
Mechanical privacy shutter
Intrusion detection
Chassis and battery intrusion detection; SPI flash tamper detection/prevention
Physical
Optional Dell lockable port cover; wedge-shaped lock slot

Operating systems

Windows 11
Home, Pro, Pro National Academic, Pro Downgrade (Windows 10 Pro image, factory installed)
Windows 10
China G-SKU
Linux
Ubuntu 20.04 LTS

Processors

  • Intel Core i5-1240P
  • Intel Core i5-1250P
  • Intel Core i7-1270P