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ThinkPad T16 Gen 4 21QECTO1WW T

SKU: 21QECTR1WW-PF66GT8ZIn StockRefurbished
$1,986.48
Save 5.0% ($104.55)$2,091.03

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  1. Removed from listing$1,986.48 · Aug 5, 2026, 11:01 PM
  2. Back in stock$1,986.48 · Aug 5, 2026, 10:17 PM
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  5. Back in stock$1,986.48 · Aug 5, 2026, 1:25 AM
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  8. Removed from listing$1,986.48 · Aug 3, 2026, 11:25 PM
  9. Back in stock$1,986.48 · Aug 1, 2026, 1:11 AM
  10. Removed from listing$1,986.48 · Jul 31, 2026, 8:19 PM
  11. Back in stock$1,986.48 · Jul 30, 2026, 1:11 AM
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  13. Back in stock$1,986.48 · Jul 28, 2026, 1:08 AM
  14. Removed from listing$1,986.48 · Jul 27, 2026, 8:28 PM
  15. Listed$1,986.48 · Jul 27, 2026, 11:55 AM

Key specs

  • Core U5 235U 2.0G 12C 14T VP
  • 32GB(16+16)_DDR5_5600_SODIMM
  • 1TB SSD M.2 2280 G4 TLC OP
  • 16 WUXGA AG 400n

Specifications

Processor
Processor
Core U5 235U 2.0G 12C 14T VP
Operating System
Windows 11 Home 64
Memory
Memory (RAM)
32GB(16+16)_DDR5_5600_SODIMM · Upgradeable
Storage
Storage
1TB SSD M.2 2280 G4 TLC OP
Max Storage Support
One drive, up to 2TB M.2 2280 SSD
Graphics
Integrated Graphics
Integrated Graphics
Dedicated Graphics
Unknown
Display
Display
16" IPS
Resolution
1920x1200
Aspect Ratio
16:10
Screen-to-Body Ratio
87.22%
Contrast Ratio
1000:1
Viewing Angle
89° / 89° / 89° / 89°
Certified
N/A
Connectivity
WWAN
Has a WWAN slot
Physical
Condition
Refurbished
Warranty
N01_1Y_COURIER/CARRYIN
Part Number
21QECTR1WW-PF66GT8Z
Case Material
PC + 20% CF (top), PC + 20% CF (bottom)
Pen
No support
UltraNav
TrackPoint® pointing device, double-tap to open the TrackPoint® Quick Menu Glass-like Mylar® surface multi-touch 3-button Trackpad, 67.7 x 115 mm (2.67 x 4.53 inches)
Platform
Chipset
Intel® SoC (System on Chip) platform
Audio Chip
High Definition (HD) Audio, Realtek® ALC3287 codec
Speakers
Stereo speakers, 2W x2, Dolby Audio™
Card Reader
No card reader
Docking
Various docking solutions supported via Thunderbolt™ / USB-C®. For more compatible docking solutions, please visit Docking for ThinkPad® T16 Gen 4 (Intel®)
Monitor Support
Arrow Lake: supports up to 4 independent displays (native display and 3 external monitors via HDMI® and Thunderbolt™) Lunar Lake: supports up to 3 independent displays (native display and 2 external monitors via HDMI® and Thunderbolt™) • HDMI® supports up to 4K@60Hz • Thunderbolt™ supports up to 8K@60Hz
NPU
Integrated Intel® AI Boost, up to 48 TOPS
Altitude
Maximum altitude (without pressurization): 3048 m (10,000 ft)
Ports
USB-A
1x USB-A (USB 5Gbps / USB 3.2 Gen 1)
USB-A
1x USB-A (USB 5Gbps / USB 3.2 Gen 1), Always On
Thunderbolt / USB-C
2x USB-C® (Thunderbolt™ 4 / USB4® 40Gbps), with USB PD 15-100W and DisplayPort™ 2.1
HDMI
1x HDMI® 2.1, up to 4K/60Hz
Audio Jack
1x Headphone / microphone combo jack (3.5mm)
Ethernet
1x Ethernet (RJ-45)
SIM Slot
1x Nano-SIM card slot (WWAN support models)
Smart Card Reader
1x Smart card reader
Security
Security Chip
Discrete TPM 2.0, TCG certified, FIPS 140-3 certified
Physical Locks
Kensington Nano Security Slot™, 2.5 x 6 mm
ThinkShield
ThinkShield is a comprehensive security solution that encompasses hardware, software, and supply chain components. For more detials, visit here
BIOS Security
Certificate-based BIOS authentication
BIOS Security
FIDO (Fast Identity Online) authentication
BIOS Security
NVMe® password
BIOS Security
Power-on password
BIOS Security
Supervisor password
BIOS Security
System management password
BIOS Security
Self-healing BIOS
BIOS Security
More BIOS security features (Lunar Lake), please visit BIOS Simulator
BIOS Security
More BIOS security features (Arrow Lake), please visit BIOS Simulator
Other Security
Camera privacy shutter (camera models)
Other Security
(Optional) Ultrasonic Human Presence Detection
Other Security
(Optional) IR camera for Windows® Hello (facial recognition)
Other Security
Privacy Guard with Privacy Alert (models with ThinkPad® Privacy Guard display)
Smart Card Reader
No
Durability & Certifications
Mil-Spec Test
MIL-STD-810H military test passed
ENERGY STAR
ENERGY STAR® 9.0
EPEAT
EPEAT™ Gold Registered
ErP
ErP Lot 6/26
RoHS
RoHS compliant
TCO Certified
TCO Certified, generation 10
Eyesafe
(Optional) Eyesafe® Certified 2.0
Material
30% PCC recycled plastic on top cover 48% PCC recycled plastic used in display panel frame 90% recycled magnesium on keyboard frame cover 45% PCC recycled plastic on bottom cover of WWAN models 30% PCC recycled plastic on bottom cover of non-WWAN models 90% PCC recycled plastic used in speaker enclosure 90% PCC recycled plastic used in the battery frame 65% PCC recycled plastic used in keycap frame 85% PCC recycled plastic for backlit keycaps 70% PCC recycled plastic for non-backlit keycaps 90% PCC recycled plastic used in 65W and 100W adapters 100% Plastic Free One Lenovo® Packaging

Reference specs

Memory
Max Memory
Lunar Lake: 16GB soldered memory, not upgradable or Lunar Lake: 32GB soldered memory, not upgradable or Arrow Lake: up to 64GB DDR5-5600
Memory Slots
Lunar Lake: memory soldered to systemboard, no slots, dual-channel or Arrow Lake: two DDR5 SODIMM / CSODIMM slots, dual-channel capable
Storage
Storage Slot
Models with U series processor: one M.2 2280 PCIe® 4.0 x4 slot or Models with V or H series processor: one M.2 2280 PCIe® 5.0 x4 slot
Connectivity
Ethernet
Gigabit Ethernet, Intel® Ethernet Connection I219-LM (vPro® models), 1x RJ-45, supports Wake-on-LAN or Gigabit Ethernet, Intel® Ethernet Connection I219-V (non-vPro® models), 1x RJ-45, supports Wake-on-LAN
NFC
Near Field Communication or No support
Physical
Dimensions (WxDxH)
359.7 x 250.8 x 11.8/18.14 (front/rear), 23.5 (maximum) mm; 14.16 x 9.87 x 0.46/0.71 (front/rear), 0.93 (maximum) inches or 359.7 x 250.8 x 11.8/18.14 (front/rear), 23.65 (maximum) mm; 14.16 x 9.87 x 0.46/0.71 (front/rear), 0.93 (maximum) inches
Platform
Microphone
Dual-microphone array, 360° far-field, Dolby Voice® or No microphone
AI PC Category
Copilot+ PC (Lunar Lake) or AI PC (Arrow Lake)
Temperature
Operating: 5°C (41°F) to 35°C (95°F) or Storage and transportation in original shipping package: -20°C (-4°F ) to 60°C (140°F) or Storage without package: 5°C (41°F) to 43°C (109°F)
Relative Humidity
Operating: 8% to 95% at wet-bulb temperature 23°C (73°F) or Storage and transportation: 5% to 95% at wet-bulb temperature 27°C (81°F)

Reference data from Lenovo's official spec sheet for this model line. May not reflect this exact unit's configuration. View full spec sheet

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