Dell Precision 5550
Thin 15.6-inch 16:10 Precision 5000-series mobile workstation of 2020 with 45 W 10th Gen Intel Core H-series or Xeon W-10855M processors, optional NVIDIA Quadro T1000/T2000 graphics, two DDR4 SO-DIMM slots (ECC available) and two M.2 NVMe SSD slots with RAID. It has only USB-C ports: two Thunderbolt 3 and one USB-C with DisplayPort. Dell's store now lists it as discontinued.
Memory
- Slots
- 2 × DDR4 SO-DIMM, dual-channel
- Type
- DDR4, non-ECC or ECC
- Speed
- 3200 MHz (non-ECC configurations), 2666 MHz (ECC configurations)
- Module sizes
- 8, 16 or 32 GB per slot
- Minimum
- 8 GB
- Maximum
- 64 GB (2 × 32 GB)
- Factory configurations
- Non-ECC 3200 MHz: 8 GB (1×8), 16 GB (2×8), 32 GB (2×16), 64 GB (2×32); ECC 2666 MHz: 8 GB (1×8), 16 GB (2×8), 32 GB (2×16)
Storage
- Slots
- Two M.2 2230/2280 slots for solid-state drives; no 2.5" bay
- Interface
- PCIe Gen 3.0 x4 NVMe, up to 32 Gbps
- Capacity
- Up to 2 TB per drive
- RAID
- RAID 0 and RAID 1; BIOS SATA/NVMe operation default is RAID On
- Primary drive
- With two M.2 drives, SSD1 is the primary drive
- Mounting
- Each SSD is held by its own thermal bracket and one M2x2 screw; the service manual has a separate M.2 2230 procedure
- Card reader
- SD 3.0/4.0/6.0 slot (SD, SDHC, SDXC)
Graphics
- Integrated (Core)
- Intel UHD Graphics 630, shared system memory
- Integrated (Xeon)
- Intel UHD Graphics P630, shared system memory
- Discrete option 1
- NVIDIA Quadro T1000, 4 GB GDDR6
- Discrete option 2
- NVIDIA Quadro T2000, 4 GB GDDR6
- Outputs
- DisplayPort over the two Thunderbolt 3 ports and the USB 3.2 Gen 2 Type-C DisplayPort port; USB Type-C to DisplayPort adapter sold separately; no HDMI port
- Cooling
- Service manual lists a graphics card-processor thermal bracket among the major components
Expansion
- M.2 SSD
- Two M.2 2230/2280 slots (SSD1, SSD2)
- Wireless
- Wireless card with antenna cables on the system board
- Docking port
- Not supported (docks connect over Thunderbolt / USB-C)
Networking
- Wi-Fi
- Intel Wi-Fi 6 AX201, 2.4/5 GHz, up to 2400 Mbps, 802.11a/b/g/n/ac/ax
- Bluetooth
- Bluetooth 5.1
- Encryption
- 64/128-bit WEP, AES-CCMP, TKIP
- Ethernet
- None built in
Power
- Adapter (integrated graphics)
- 90 W USB Type-C; 20 V/4.5 A, 15 V/3 A, 9 V/3 A, 5 V/3 A; input 100-240 VAC, 1.5 A
- Adapter (discrete graphics)
- 130 W USB Type-C; 20 V/6.5 A, 5 V/1 A; input 100-240 VAC, 1.8 A
- Power input
- Any of the three USB Type-C ports (two Thunderbolt 3 on the left, one USB 3.2 Gen 2 Type-C on the right); no barrel jack
Ports
- Thunderbolt
- 2 × USB 3.2 Gen 2 Type-C with Thunderbolt 3 and Power Delivery (left)
- USB-C
- 1 × USB 3.2 Gen 2 Type-C with DisplayPort (right)
- USB-A
- None
- Video
- DisplayPort via USB Type-C (adapter sold separately); no HDMI
- Audio
- Universal audio jack; Realtek ALC3281-CG, 2-way speakers with subwoofer output (4 W average, 5 W peak), digital-array microphones
- Card slot
- SD card
- Security
- Wedge-shaped security slot
Display
- FHD+
- 15.6" 1920 × 1200, WVA, non-touch, anti-glare, 500 nits, 100% sRGB min, 1650:1, 145 ppi, 60 Hz
- UHD+
- 15.6" 3840 × 2400, WVA, touch, anti-reflection, 500 nits, 100% Adobe RGB min, DCI-P3 94% typical (90% min), 1600:1, 290 ppi, 60 Hz
- Viewing angles
- 85° horizontal and vertical (Dell's figure)
- Active area
- 336.38 × 210.24 mm
- Camera
- HD RGB camera (1280 × 720 at 30 fps) plus IR camera (576 × 360 at 15 fps), 78.5° diagonal
- Sensors
- Ambient light sensor, IR emitters
Battery
- Options
- 3-cell 56 Wh or 6-cell 86 Wh Li-ion, 11.4 VDC
- Charge time
- About 2 h with ExpressCharge, 3 h standard (computer off)
- Coin cell
- Not supported
- Service
- Dell's service manual lists the battery as a Field Replaceable Unit for authorized service technicians
Physical
- Dimensions
- 344.40 × 230.30 mm; 7.70 mm (front) to 11.65 mm (rear) thick
- Weight
- Up to 2.05 kg (4.51 lb), depends on configuration
- Keyboard
- Backlit, 79 keys (US), 19.05 × 18.05 mm key pitch
- Touchpad
- 150 × 90 mm
- Operating temp
- 0-35 °C; altitude up to 3048 m
- Regulatory model
- P91F (type P91F001)
Management
- Fingerprint reader
- In the power button, capacitive, 500 dpi
- Windows Hello
- IR camera
- TPM
- TPM 2.0 (BIOS: TPM 2.0 Security On)
- BIOS
- Absolute Persistence Module support (enabled by default), Intel SGX, Secure Boot, Wake on AC, Wake on Dell USB-C Dock, MAC address pass-through, SupportAssist OS Recovery
Operating systems
- Windows
- Windows 10 Home, Windows 10 Pro, Windows 10 Pro for Workstations, Windows 10 Pro Education, Windows 10 IoT Enterprise (all 64-bit)
- Linux
- Ubuntu 18.04 SP1; Red Hat Enterprise Linux 8.2 (certification only)
Processors
- Intel Xeon W-10855M
- Intel Core i9-10885H
- Intel Core i7-10875H
- Intel Core i7-10850H
- Intel Core i7-10750H
- Intel Core i5-10400H