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Black 16 inch ThinkPad laptop closed matte finish

Lenovo

Lenovo ThinkPad E16 Gen 3 21SR0033US laptop Core Ultra 7 255H 16GB 512GB

SKU CH-2439-SDSPX MPN 21SR0033US

16-inch WUXGA notebook with Intel Core Ultra 7 255H, 16GB DDR5, 512GB SSD and Intel Arc 140T graphics

  • Screen size16.0 in (40.6 cm)
  • ProcessorIntel Core Ultra 7
  • Graphics processorIntel Arc 140T GPU
  • Memory size16 GB DDR5
  • SSD storage512 GB
  • Display resolution1920 × 1200
  • Sharp visuals from 16.0" WUXGA 1920 x 1200 display
  • Fast multitasking with 16GB DDR5 5600 memory
  • Responsive storage via 512GB SSD
  • High turbo speed up to 5.10 GHz on Core Ultra 7 255H
  • Modern wireless using 802.11ax standard

16-inch WUXGA notebook with Core Ultra 7 255H

The ThinkPad E16 Gen 3 pairs a 16.0 inch 1920 x 1200 display at 60 Hz with an Intel Core Ultra 7 255H processor reaching 5.10 GHz turbo. Sixteen gigabytes of DDR5 5600 memory and a 512 GB SSD support multitasking and fast boot times. The integrated Intel Arc 140T GPU handles everyday graphics workloads. Windows 11 Pro is pre-installed for business environments.

Thermals and power in daily use

The CPU E-cores run up to 4.40 GHz with 24 MB of cache, balancing throughput and heat output for office applications. Fan activity stays low during typical document and browser workloads, keeping acoustic levels suited to shared workspaces. Power draw scales with the 140T graphics load, remaining moderate for a 16 inch chassis under normal productivity scenarios.

Build quality and connectivity implications

The non-touch WUXGA panel offers a matte finish that reduces glare under office lighting. An 802.11ax wireless radio provides modern Wi-Fi performance for cloud-based workflows. The English keyboard layout and black chassis match standard ThinkPad ergonomics. Buyers who want more storage or a discrete graphics option should consider other configurations.

How it compares

Measured against everything we stock in Standard Laptops & Notebooks, at today’s prices. Recalculated every night.

Price $909.99
Pricier than about 70% of the 32,549 comparable items (median $599.99).
Screen size 16.0 in (40.6 cm)
Higher than about 80% of the 32,085 comparable items (median 15.2 in).
Refresh frequency 60 Hz
Typical for this category: the median of 1,749 items is 60 Hz.

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Specifications

Product
Brand nameLenovo
Product lineThinkPad
Model nameThinkPad E16 Gen 3
Part number21SR0033US
Product typeHome / Personal
Processor
ProcessorIntel Core Ultra 7
Processor modelIntel Core Ultra 7 255H
Turbo clock speed5.1 GHz
Memory
Memory size16 GB DDR5
RAM type and speedDDR5 5600
Storage
SSD storage512 GB
Display
Screen size16.0 in (40.6 cm)
Display resolution1920 × 1200
Refresh frequency60 Hz
Touch inputNon-Touch Screen
Display formatWUXGA
Graphics
Graphics processorIntel Arc 140T GPU
Graphics typeIntegrated Card
Audio & video
Web camera5 Megapixel
Connectivity
Wi-Fi802.11ax Wireless LAN
Bluetooth supportYes
Wired networkGigabit Ethernet
Ports & slots
HDMI ports1 x HDMI
Size & build
Overall dimensionsHeight:
0.83 in
Width:
14 in
Depth:
9.8 in
Product weight3.59 lb (1.63 kg)
Shipping weight2.77 kg
Package size495 × 325 × 79 mm
In the box
Included itemsThinkPad E16 Gen 3 (Intel) 21SR0033US
Standard Battery
AC Adapter
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Boost

Questions about this item

How do I install the DDR5 5600 memory in the ThinkPad E16 Gen 3, and what step do people get wrong?

Power off and unplug the laptop, remove the base screws, lift the cover, align the DDR5 5600 module notch with the slot key, press firmly until the side clips click, then reassemble; the step often missed is pressing evenly on both ends until both clips engage.

What maintenance or replacement will the 512 GB SSD need later?

The 512 GB SSD has no moving parts and requires no scheduled maintenance; replacement is only needed if capacity runs out or a drive health tool reports media wear, at which point a compatible M.2 module can be swapped in.

What limit appears first on the Intel Arc 140T GPU during sustained workloads?

Under continuous load the Intel Arc 140T GPU hits its thermal ceiling first; the shared cooling system throttles clock speeds to keep temperatures safe, which reduces 3D performance before the 5.10 GHz CPU turbo limit is reached.

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