Dell Precision 3551 User Manual

Fingerprint reader in Power Button
Table 24. Fingerprint reader specifications
Description Values
Sensor technology
Capacitive Capacitive
Sensor resolution
363 dpi 500 dpi
Sensor pixel size
76 x 100 108 x 88
Fingerprint reader
Table 25. Fingerprint reader specifications
Description Values
Sensor technology
Capacitive
Sensor resolution
508 dpi
Sensor pixel size
256 x 360
Sensor and control specifications
Table 26. Sensor and control specifications
Specifications
1. Free fall sensor on motherboard
2. Hall Effect Sensor (Detects when the lid is closed)
Security
Table 27. Security specifications
Features Specifications
Trusted Platform Module (TPM) 2.0 Integrated on system board
Fingerprint reader Optional
Wedge-shaped lock slot Standard
Security options—Contacted smartcard reader
Table 28. Contacted smartcard reader
Title Description Dell ControlVault 3 Smartcard reader
ISO 7816 -3 Class A Card Support Reader capable of reading 5V powered
smartcard
Yes
ISO 7816 -3 Class B Card Support Reader capable of reading 3V powered
smartcard
Yes
ISO 7816 -3 Class C Card support Reader capable of reading 1.8V powered
smartcard
Yes
ISO 7816-1 Compliant Specification for the reader Yes
Technical specifications 21

Dell Precision 3551 Specifications

General

Memory	Up to 64GB DDR4 2933MHz
Storage	Up to 2TB PCIe NVMe SSD
Wireless	Intel Wi-Fi 6 AX201
Bluetooth	Bluetooth 5.1
Processor	10th Gen Intel Core i5/i7/i9 or Xeon
Display	15.6" FHD (1920x1080)
Graphics	Intel UHD Graphics
Ports	USB 3.2, HDMI, SD card reader
Operating System	Windows 10 Pro, Ubuntu
Battery	3-cell 51 Whr