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ThinkPad T series
Series of laptops by IBM and Lenovo From Wikipedia, the free encyclopedia
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The ThinkPad T series is a line of notebook computers manufactured by Lenovo as part of the ThinkPad family. The T series is officially the flagship ThinkPad product, offering high-performance computers aimed at businesses and professionals.[1] The ThinkPad T series was originally introduced in 2000 and was produced by IBM until 2005.
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History of IBM-branded models
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IBM introduced the T series as part of their ThinkPad brand in May 2000.[2] The laptop was meant to cater to users working with multiple networks and in different environments. This resulted in the development of the IBM Embedded Security Subsystem.[2]
From its inception, the series was designed to balance speed and mobility. Despite a 14.1-inch screen, similar to desktops at the time, the titanium composite body on the laptop was designed to keep the weight as low as possible.[2] Users were also given options to swap components for mobility, like a DVD player, writeable CD drive or numeric keypads.[2]
The ThinkPad T20 was released by IBM as the successor to the ThinkPad 600X and ThinkPad 770Z series laptops.[3] With a weight of 2.1 kg (4.6 lb), the T20 was the lightest laptop offering with a screen size of 14.1-inch (360 mm).[4] With the addition of an internal 8x DVD-ROM drive, the weight remained as low as 2.4 kg (5.2 lb).[5]
In October 2000, the ThinkPad T20 was upgraded and released as the ThinkPad T21 laptop with the Intel Mobile Pentium III (800 MHz) CPU.[6] The 14.1-inch LCD display offered a higher resolution of 1400 × 1050. The hard disk space offered was a 32 GB—high for the time.[2]
Further minor refinements were made to the T2X series resulting in the T22 and finally in 2002 with the T23 a Pentium III-M 1.13 GHz "Tualatin" having 128 MiB of RAM and a 30 GB hard drive.
The ThinkPad T30 was released in May 2002, with options for the Intel Mobile Pentium 4-M processor with the Intel 845 MP Mobile Chipset.[7] Additional options included the ATI Mobility Radeon 7500 video controller with 16 MiB graphics memory, a 14.1-inch LCD display with a resolution of 1400 × 1050, and 1 GiB PC2100 RAM.[8] This was complemented by a 60 GB hard drive and a DVD-ROM/CD-RW combo drive, making it a powerful laptop.[9]
Announced in March 2003, the ThinkPad T40p represented the first in the T series' "performance" class of laptops.[10] The ThinkPad T40p offered a Pentium M clocked at 1.3, 1.5, or 1.6 GHz, ATI Mobility Radeon 9000 with 64 MiB VRAM, a 14.1-inch LCD display with 1400 × 1050 resolution, a maximum of 2 GiB PC2100 RAM, and a 60 GB IDE hard disk.[11] The design was followed by the T41 and T41p and the T42 and T42p (ATI Mobility Radeon 7500, 9600, and Mobility FireGL T2), with almost complete parts interchangeability, except for the fan (normal or p-series), keyboard (14.1" or 15"), screen (14.1" or 15"), and screen inverter. The 15-inch T42 and T42p models were offered with an optional 1400 × 1050 or 1600 × 1200 "FlexView" IPS LCD display.[12]

Launched in April 2005, the ThinkPad T43 and T43p laptops were the last T-series laptops manufactured for IBM.[2][13] The major improvement was a move to lower-cost DDR2 RAM and a bus speed increase from 400 MT/s to 533 MT/s. Their Pentium M Dothan features the XD bit, making it the first ThinkPad that could run Windows 8.1 and Windows 10.
In December 2004 Lenovo announced the acquisition of the IBM PC division[14] including the ThinkPad brand (at the time, 40% of the PC division was working in China.) ThinkPads were being made by Lenovo's arch-rival Great Wall Technology.[15]
Lenovo released the ThinkPad T60 and T60p laptops in February 2006.[16] While designed and manufactured by Lenovo, the T60 and the T60p still featured the IBM logo on the machines.[2] In May 2007, the T61 and T61p laptops slowly phased out IBM logos in favor of the ThinkPad logo.[17] It also was the first T series model to adopt widescreen resolution as a mainstream option; the traditional 4:3 aspect ratio screens was also offered as an alternative at the time but mass industry adoption of the widescreen standard meant that it was the last ThinkPad of its kind to use the 4:3 standard.
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History of Lenovo-branded models
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The naming convention for the T series was changed by Lenovo following the release of the ThinkPad T400, T400s, and T500 in July 2008.[19] The Txxp models (like the T61p) were replaced by the W series.[20] Designed as mobile workstations, the W series grew to become Lenovo's line of performance-oriented laptops.[21] The T series remains Lenovo's premier line of laptops, aimed at corporate and enterprise users and is praised by users for its outstanding Linux compatibility. The T-p lineup later returned as an irregular T##0p line with only T440p, T460p, T470p and T540p models. They were replaced by the P series.
The ThinkPad 25th anniversary edition was released on October 5, 2017. It was based on the T470, but brought back the classic 7-row keyboard.[22][23] In 2018, Lenovo introduced the ThinkPad A485, which officially is not part of the T Series, but it shares the same housing as the T480. It offers a 2nd generation AMD Ryzen PRO processor and lacks Thunderbolt 3 support but has USB-C support. The A475 had been similarly released in 2017 as a variation of the T470, but with AMD Carrizo or Bristol Ridge processors. In 2019 Lenovo officially introduced AMD CPUs in the T series, and differentiated it with the digit 5 at the end of the model number (i.e. T495).
From 2020 onwards, the naming scheme was changed again, with the letter "T" followed by the screen size in inches, then the generation number and the screen size and CPU manufacturer in brackets (e.g. T14s Gen 2 (14" Intel), T16 Gen 1 (16" AMD)), similar to the scheme used by the X1 series.
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Lenovo-branded models
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Battery configuration
2008-2009
T410
T400s
The ThinkPad T400s was a slimmed-down T400 with a soldered 25 W processor, support for smaller batteries, and no discrete graphics option.
T500
2010
T410
Lenovo started to change the standard six-keys block Insert/Delete/Home/End/PgUp/PgDn on the top right of the keyboard. The Insert key moved above the F12 key and the Delete key has doulbe height.
In 2014 Lenovo issued a product recall, dated April 1, on specific ranges of Thinkpad series batteries which had shipped from October 2010 to April 2011 due to a potential fire hazard, including some shipping with or for the model T410.[25][26]
T410s
While the T410 and T510 use the Serial UltraBay Enhanced, the T410s continues to use the Serial UltraBay Slim to achieve a thin and light design.
T510
2011
T420
T420s
T520
2012
T430
Original standard five/six-key block (Ins/Del/Home/End/PgUp/PgDn, the Insert key moved away in T410) disappeared. End of Thinkpad keyboards.
T430s
T430u
T530
2013
This line introduces a touchpad with no physical buttons on the top and bottom and latch-less cases on all models. The ThinkLight was removed due to the presence of a backlit keyboard.
T431s
T440
The ThinkPad T440 builds on a thinner design with soldered 15 W fourth generation Intel Core processors that are noticeably slower than 35 W third-generation processors. Other changes include 4 GB of soldered memory accompanied by one SO-DIMM slot for expansion, as well as an M.2 2280 slot replacing the mSATA slot. Other features include PowerBridge, the combination of a 3-cell internal battery and a 3- or 6-cell external battery, replacing the UltraBay and slice batteries.
T440s
Based on the ThinkPad X240, the T440s provides a 14-inch display and 4 GB of soldered DDR3L memory and one SO-DIMM slot instead of no soldered memory and only one SO-DIMM slot
T440p
Continuation of the T430 design language and reverted to the Serial UltraBay Slim.
T540p
Continuation of the T430 design language and reverted to the Serial UltraBay Slim. It also adds a numeric keypad.
2015
T450
Reverts to two SO-DIMMs, the previous touchpad but only with the physical TrackPoint buttons.
T450s
Reverts to the previous touchpad but only with the physical TrackPoint buttons.
T550
Based on the T450 design. A version with entry-level professional GPU options and ISV certifications is available and known as W550s.
2016
T460
T460s
T460p
T560
2017
T470
T470s
T470p
A475
25th Anniversary Edition
T570
2018
T480
T480s
A485
T580
2019
T490
T490s
T495
T495s
T590
2020
T14 Gen 1 (Intel)
T14 Gen 1 (AMD)
T14 Secure Access/Healthcare Edition Gen 1
T14s Gen 1 (Intel)
T14s Gen 1 (AMD)
T15 Gen 1
T15p Gen 1
Model with Quadro RTX GPUs known as P15v Gen 1.
T15g Gen 1
Model with Quadro RTX GPUs known as P15 Gen 1.
2021
T14 Gen 2 (Intel)
T14 Gen 2 (AMD)
T14s Gen 2 (Intel)
T14s Gen 2 (AMD)
T15 Gen 2
T15p Gen 2
Model with Nvidia RTX GPUs known as P15v Gen 2.
T15g Gen 2
Model with Nvidia RTX GPUs known as P15 Gen 2.
2022
T14 Gen 3 (Intel)
T14 Gen 3 (AMD)
T14s Gen 3 (Intel)
T14s Gen 3 (AMD)
T15p Gen 3
Model with Nvidia RTX GPUs known as P15v Gen 3.
T16 Gen 1 (Intel)
T16 Gen 1 (AMD)
2023
T14 Gen 4 (Intel)
T14 Gen 4 (AMD)
T14s Gen 4 (Intel)
T14s Gen 4 (AMD)
T16 Gen 2 (Intel)
T16 Gen 2 (AMD)
2024
T14 Gen 5 (Intel)
Reverts to two DDR5 SO-DIMMs and uses a more repair-friendly design.
T14 Gen 5 (AMD)
Reverts to two DDR5 SO-DIMMs and uses a more repair-friendly design.
T14s Gen 5 (Intel)
T14s Gen 6 (Snapdragon)
Introduces Qualcomm Snapdragon Processors to the ThinkPad T series.
T14s Gen 6 (AMD)
Introduces Ryzen AI 300 series CPUs to the ThinkPad T-series.[91]
T16 Gen 3 (Intel)
Reverts to two DDR5 SO-DIMMs and uses a more repair-friendly design.
2025
![]() | This section needs expansion. You can help by adding to it. (April 2025) |
T14 Gen 6 (Intel)
T14 Gen 6 (AMD)
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Reviews
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PCWorld said that the ThinkPad T20 “packs a bigger screen, a more comfortable keyboard, and a larger set of useful features into a smaller package than any of its competitors.”[99] The Web site epinions.com said that the ThinkPad T20 was “worth the wait” giving it 4.5 stars out of 5.[100]
In a review of the ThinkPad T60, Notebook Review called the T-series laptops the “flagship of the ThinkPad brand”,[101] aimed at corporate professionals.[2] Some of the T-series characteristics as listed by notebookreview.com include durability, security, usability, and performance.[102]
The ThinkPad T410 was awarded 4.5 out of 5 stars by Notebook Review upon release.[103] The review noted the centering of the screen, eliminating the thick bezel on one side and the thin bezel on the other.[104] The review indicated that the pros were the speed, battery life, and wide selection of ports.[105] The cons were minor distortions on the screen when flexed, and the high pitched fan.[106] WIRED also reviewed the T410 laptop positively, saying that “Lenovo's thoughtful ThinkPad is a near-perfect machine”.[107]
The PC Advisor review of the ThinkPad T510 called the lack of alterations to the traditional design a good thing.[108] It also highlighted the professional appearance and ‘sturdy build quality’, indicating that this makes the laptop stand out from others in the market.[109]
The T420 and T520 laptops were different from their predecessors mainly through an upgrade to Intel's Sandy Bridge processors.[110] The T420 received a total score of 85% from the Notebook Check web site.[111] The fan noise was noticeably reduced, as indicated by a reviewer from PCWorld.[112] The T-series laptops, the T420, the T420s, and the T520, have been lauded for their battery life – up to 30 hours with a 9-cell battery slice.[113]
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Gallery
- T22 or T23 before the sale to Lenovo
- Inside of a T41 with the keyboard removed
- T43p with a BOE-Hydis LED backlit IPS display booting, note the extreme viewing angle
- T43p compared against a T60p (both laptops are 15" 4:3)
- A 15" T60p (left) compared against a 14" one (right)
- T61 running Windows 10. Note the ThinkLight being switched on.
- T410
- T420s, slim version of T420
- T430 keyboard
- T440
- T440s
- T440p running Windows 8
- T450s (slim version of T450)
- T460
- A T410 running Windows 10
- Thinkpad T430 in GNOME
- T480s running Windows 11
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References
External links
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