Dell Precision 3551

Here's what you need to know about 2020 Dell Precision 3551 including price, display info, CPU, RAM, storage, battery, and more.

Dell Precision 3551 image

Dell Precision 3551

Our analysis and reviews

Dell Precision 3551 image

What we like

Reasons to like about Dell Precision 3551.

Supports Windows 11

Dell Precision 3551 exceed all minimum system requirements for Windows 11.

RequirementsDell Precision 3551
Secure BootYes
TPM 2.0 TPM 2.0
ProcessorIntel Core i5-10300H → Intel Xeon W-10855M
4GB RAM8GB → 64GB
64GB Drive128GB → 4TB
2 Cores CPU4 → 6 cores
Awesome battery life of up to 20-hours

According to Dell, the Dell Precision 3551 lasts up to 20 hours of battery life.

Up to 20 hours of battery life
With optional 6-cell 97 Wh battery.
Upgradable storage

Dell Precision 3551 comes with a single removable M.2 SSD slot that you can replace and upgrade in the future. On top of that, it also has a single SATA slot that users can use to install a 2.5-inch SATA SSD, SSHD, or a hard disk drive to add even more storage. Learn more.

Upgradable memory
Two RAM slots. Learn more.
Supports discrete graphics
Configurable up to Nvidia Quadro P620 4GB GDDR5

What's new

Improvements over its predecessor.

Significantly faster CPU performance

Intel Xeon W-10855M inside Dell Precision 3551 has a 37% better multi-core CPU performance score than the Intel Core i7-10810U inside Dell Precision 3550.

Geekbench 5 multi-core score
Dell Precision 3551 - Intel Core i7-10875H
6,874
Dell Precision 3551 - Intel Core i9-10885H
6,788
Dell Precision 3551 - Intel Core i7-10750H
5,412
Dell Precision 3551 - Intel Xeon W-10855M
5,372
Dell Precision 3551 - Intel Core i7-10850H
5,341
Dell Precision 3551 - Intel Core i5-10400H
4,252
Dell Precision 3550 - Intel Core i7-10810U
3,911
Dell Precision 3551 - Intel Core i5-10300H
3,747
Dell Precision 3550 - Intel Core i7-10610U
3,042
Dell Precision 3550 - Intel Core i5-10310U
2,992
Dell Precision 3550 - Intel Core i7-10510U
2,942
Dell Precision 3550 - Intel Core i5-10210U
2,933
Supports larger memory

Dell Precision 3551 supports a larger memory capacity than the Dell Precision 3550. It supports up to 64GB versus 32GB of system memory on the Dell Precision 3550.

Max system memory size
Dell Precision 3551
64 GB
Dell Precision 3550
32 GB
Supports faster memory

Dell Precision 3551 supports a faster memory speed than the Dell Precision 3550. It supports up to 2933MHz versus 2666MHz of system memory on the Dell Precision 3550.

Memory type and speed
Dell Precision 3551 - DDR4
2,933 MHz
Dell Precision 3550 - DDR4
2,666 MHz

Photos

Key Features

Dell Precision 3551
At Glance
Released in
2020
16:9 FHD
15.6”
1080p 60Hz
Weight
4.16 lb
1.89 kg
Up to
Intel Xeon W-10855M
6C/12T, 2.80 → 5.10 GHz
Geekbench 5
1,142
Single Core
Geekbench 5
5,372
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1200 MHz
Upgradable up to
64GB
2933 MHz DDR4
Dell Precision 3551 Ports
Nvidia Quadro
P620
4GB GDDR5

Availability

Dell Precision 3551
Released2020
PricingStarting at $939
Generations
Stores

Exterior

Dell Precision 3551
Dimensions14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)
Weight4.16 lbs (1.89 kg)
Keyboard and Trackpad
  • Full-size backlit keyboard.
  • 4.00 x 2.45 (101.7 mm x 55.2 mm) touchpad with 5 multi-touch gesture support.

Display

Dell Precision 3551
Size15.6 Inches
Info
  • 15.6" HD Non-Touch
    1366x768 100 PPI 220 nits Anti-Glare Non-Touch 45% color gamut
  • 15.6" FHD Non-Touch
    1920x1080 141 PPI 220 nits Anti-Glare Non-Touch 45% color gamut WVA
  • 15.6" FHD Non-Touch
    1920x1080 141 PPI 300 nits Anti-Glare Non-Touch 100% sRGB WVA
  • 15.6" FHD Touch
    1920x1080 141 PPI 220 nits Anti-Glare w/Embedded Touch 45% color gamut WVA

Ports

Dell Precision 3551
Ports
Dell Precision 3551 Ports
Image Source: Dell
  • 1 x USB Type-C with Thunderbolt™ 3 
    Supports USB 3.2 Gen 2 and DisplayPort 1.4.
  • 2 x USB 3.2 Gen 1
  • 1 x USB 3.2 Gen 1 with PowerShare
  • 1 x HDMI 2.0b Port
  • 1 x RJ-45 port
  • 1 x Headset jack
  • 1 x MicroSD-card reader
  • 1 x SIM card slot (optional)
  • 1 x Smart card reader (optional)
  • 1 x Wedge-shaped lock slot
  • 1 x DC-in

Internal Specs

Dell Precision 3551
Processor
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i5-10400H
    4 cores, 8 threads, 2.60 → 4.60 GHz, 8MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  4. 10th Gen Intel® Core™ i7-10850H
    6 cores, 12 threads, 2.70 → 5.10 GHz, 12MB SmartCache, 45W
  5. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  6. 10th Gen Intel® Core™ i9-10885H
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
  7. Intel Xeon W-10855M
    6 cores, 12 threads, 2.80 → 5.10 GHz, 12MB SmartCache, 45W

Geekbench 5 Single Core

Dell Precision 35511
10th Gen Intel® Core™ i5-10300H1,06186.75%
2
10th Gen Intel® Core™ i5-10400H1,223100.00%
3
10th Gen Intel® Core™ i7-10750H1,13492.72%
4
10th Gen Intel® Core™ i7-10850H1,15294.19%
5
10th Gen Intel® Core™ i7-10875H1,19297.47%
6
10th Gen Intel® Core™ i9-10885H1,19697.79%
7
Intel Xeon W-10855M1,14293.38%
01,223

Geekbench 5 Multi-Core

Dell Precision 35511
10th Gen Intel® Core™ i5-10300H3,74754.51%
2
10th Gen Intel® Core™ i5-10400H4,25261.86%
3
10th Gen Intel® Core™ i7-10750H5,41278.73%
4
10th Gen Intel® Core™ i7-10850H5,34177.70%
5
10th Gen Intel® Core™ i7-10875H6,874100.00%
6
10th Gen Intel® Core™ i9-10885H6,78898.75%
7
Intel Xeon W-10855M5,37278.15%
06,874
Integrated Graphics
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i5-10400H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  3. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  4. 10th Gen Intel® Core™ i7-10850H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  5. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  6. 10th Gen Intel® Core™ i9-10885H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  7. Intel Xeon W-10855M
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
Memory
  • Memory Slots
    • 2 x DDR4 SODIMM slots
  • Memory Configurations
    • Speed: 2933MHz
    • Memory Type: ECC or Non-ECC
    • Minimum Memory: 8GB
    • Maximum Memory: 64GB
Discrete Graphics
NVIDIA Quadro P620 (Optional)
Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores.
Storage
  • Hard Drive Slots
    • 1 x M.2 PCIe SSD slot
    • 1 x 2.5 inches hard drive slot
  • Hard Drive Configurations
    • Up to 2TB M.2 NVMe PCIe SSD
    • Up to 2TB SATA Hard Drive

Connectivity

Dell Precision 3551
Wi-Fi
  • Intel AX201
    Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi 802.11 a/b/g WiFi-4 (802.11n) WiFi-5 (802.11ac) WiFi-6 (802.11ax) Bluetooth 5.1
  • Qualcomm QCA61x4A (DW1820)
    Up to 867 Mbps Dual band 2.4 GHz/5 GHz WiFi 802.11 a/b/g WiFi-4 (802.11n) WiFi-5 (802.11ac) Bluetooth 5.0
Bluetooth
  • Bluetooth 5.0
  • Bluetooth 5.1
EthernetIntel 1219-V/Intel 1219-LM Gigabit Ethernet controller

Battery

Dell Precision 3551
Size
  • 51 Wh - 3-cell lithium-ion, ExpressCharge capable
  • 68 Wh - 4-cell lithium-ion, ExpressCharge capable
  • 68 Wh - 4-cell lithium-ion, Long Cycle Life
  • 97 Wh - 6-cell lithium-ion, ExpressCharge capable
Battery LifeUp to 20 hours of battery life
With optional 6-cell 97 Wh battery.
Power Supply
  • 90 W power adapter
  • 130 W USB-C power adapter

Software

Dell Precision 3551
OS
Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2
Upgradable to Windows 11
Built-in AppsMicrosoft Office 30-days trial

Camera & Audio

Dell Precision 3551
Camera
  • Front-facing camera
    Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Optinal Infrared camera
    For Windows Hello Facial Recognition.
Audio
  • Dual integrated high-quality speakers
  • 2W Stereo Speakers
  • Dual integrated noise-canceling digital array microphones
  • MaxxAudio® Pro by Waves

Misc

Dell Precision 3551
Sensors
  • Ambient light sensor
  • The fingerprint reader in the power button (optional)
  • IR Camera (optional)
Security
Hardware Security
  • SafeBIOS - protects from threats that attack below-the-OS. Includes Dell Off-host BIOS Verification, BIOS Resilience, BIOS Recovery, and additional BIOS Controls.
  • SafeID - secures end-user credentials with a dedicated security chip. Additional features include the following: Trusted Platform Module (TPM) 2.07, self-encrypting storage drives (Opal, FIPS), Smart card keyboard (FIPS).
  • Physical Security Options - Chassis lock slot support, Chassis Intrusion Switch, Lockable Cable Covers, Supply chain tamper alerts (Check regional availability)
Software Security
  • SafeGuard and Response - powered by VMware Carbon Black and Secureworks provides modern security to prevent, detect, and remediate advanced malware and cyber attacks. A suite of technologies include the following: Next-Generation Antivirus (NGAV), Endpoint Detection and Response (EDR), Threat Detection and Response (TDR), Managed Endpoint Detection and Response, Incident Management Retainer, Emergency Incident Response
  • SafeData - protects information on devices and in the cloud.
WarrantyBasic Onsite Service 12 Months, 12 Month(s)