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The Best thinkpad laptop t420 of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best thinkpad laptop t420 of 2023. Check our ranking below.

2,920 Reviews Scanned

Rank No. #1

Lenovo Thinkpad T420 Notebook PC - Intel Core i5 2410M 2.3G 8GB 320GB SATA Win 10 Professional (Renewed)

14
Windows 10 Professional 64 bit
System ram type, ddr3_sdram
Memory storage capacity, 320.0

Rank No. #2

Lenovo Thinkpad T420 - Intel Core i5 2520M 8GB 320GB Windows 10 Professional (Renewed)

This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high-performance bar may offer Certified Refurbished products on Amazon.com.
Lenovo ThinkPad T420 Laptop PC
Intel Core I5 2520M up to 3.2GHz
8G DDR3, 320G HDD, DVD
Windows 10 Pro 64 Bit Support English/French/Spanish

Rank No. #3

20V 3.25A 65W Adapter for Lenovo Thinkpad T400 T410 T420 T420S T430 T430s T430u T500 T510 T520 X120e X130e X131e X140e X200 X201 X220 X220T X230 E520 E530 E535 SL500 SL510 T430u T520 Laptop Charger

Input:100-240V~1.5A 50/60 Hz; Output: 20V 3.25A 65W ; 100% Brand New; Connector Size: 7.9 x 5.5mm (round tip)
Fit for part Numbers: 40Y7630, 40Y7659, 40Y7660, 40Y7661, 40Y7662, 40Y7663, 40Y7664, 40Y7665 , 40Y7667, 40Y7668, 40Y7669, 40Y7670, 40Y7671, 40Y7672, 40Y7673, 40Y7674 ,92P1111, 92P1154, 92P1158, PA-1650-161, 92P1159, 92P1160, PA-1650-171, 92P1211, 92P1212, 92P1104, 92P1110, 92P1211, 93P5026, PA-1900-171, 92P1111
Compatible With: Lenovo Thinkpad Edge 13 14 15 E220S E420 E425 E420S E430 E430c E520 E525 E530 E530c E535 E545 B490 B590 R400 R61 R61i S230u SL300 SL400 SL410 SL500 SL510 T410 T410i T420 T420i T430 T430i T510 T520 T530 ;SL300 SL400 SL410 SL500 SL510 L410 L412 L420 L421 L430 L510 L512 L520 L530 ;R60 R61 T60 T61 T61p X60 X60s X61 Z60 Z60t Z61 ;X100E X120E X130E X131E X140E X200 X200s X201 X220 X300 X301
Safety: Each product has undergone strict testing, built-in safety measures to ensure the correct voltage, CE / FCC / RoHS safety certification.
Service & Support:30 Days Money Back Guarantee and 12 months warranty.Please contact us with any questions or concerns, we are here to help.(Please check your laptop model and buy it with confidence!)

SaleRank No. #4

90W 20V 4.5A AC Adapter Charger Compatible with Lenovo Thinkpad T60 T61 T400 T410 T420 T430 T500 T510 T520 T530 X60 Z60 X200 X201 X220 X230 X61 L420 L430 Edge 14 15 E420 E430 E530 Power Supply

SPECIFICATION : DC Output 20V 4.5A, Input 100-240V 50-60Hz, Power 90 Watt, Connector Size:7.9*5.5mm(round tip), 3 prongs, Color Black, Condition new, Weight about 0.75lb, Package includes 1xreplacement AC adapter, 1x DC power cord. To choose the right AC charger, it is important to check your old adapter before to find out these features(output, input, connector size etc.)
COMPATIBILITY : Fit 40y7696 42t4419 42t4423 42t5282 Pa-1650-16 Pa-1650-16i 40Y7699, 92P1104, 92P1111, 92P1154, 92P1156, 92P1158, 92P1160, 92P1161, 92P1212 92P1253, 92P1254, 92P1255, 93P5026, FRU 92P1104, FRU 92P1106, FRU 92P1108, FRU 92P1110 FRU 92P1112, FRU 92P1114, FRU 92P1153, FRU 92P1157, PA-1650-161, PA-1650-171, PA-1900-171 40Y7659, 40Y7660, 40Y7661, 40Y7662, 40Y7664, 40Y7665, 92P1105, 92P1109, 92P1110, 92P1113, 92P1114. For compatible models please refer to description or contact us.
SAFETY : ECHEER AC adapters have passed strict intelligent detection, like over-current protection, over-voltage protection, short circuit protection which is very important for adapter’s use cycle and safety. Also CE, FCC, RoHS certificated.
FACTORY SALE : We have our own factory so we can control strictly on the production. Also there’re professional engineers and staff to work with the products’ quality and safety. Our mission is quality and customer first. Every one of our replacement notebook adapters are tested to meet OEM specifications.
WARRANTY & SUPPORT : 12-Months Warranty, 30 days money back guarantee. Free exchange for any quality problems. 24 x 7 email support. Great before and after sales services. Please contact us if you have any problems for our adapters. Buy with confidence!

Rank No. #5

11.1V 94Wh 55++ SL410 Laptop Battery Replace for Lenovo ThinkPad T420 T410 T510 T520 W510 W520 L410 L412 L420 42T4235 Edge 14" 15" E40 E50 E420

Battery type: Li-ion ; Voltage: 11.1V ; Capacity: 94WH 50++
Replacement for Thinkpad Edge E40 E50 E420 E425 E520 E525, Lenovo IBM ThinkPad SL410 SL410k SL510 T410 T420 E420 T510 T510i T520 T520i W510 W520 Battery
Compatible Model: 42T4853 42T4799 42T4912 42T4708 42T4709 42T4710 42T4712 42T4714
Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety
24 x 7 Email Support, 12-Month warranty, 30 Days Money Back Guarantee

Rank No. #6

LXHY 0A36303 11.1V 94Wh 70++ Laptop Battery Compatible with Lenovo ThinkPad T420 T520 T410 T430 T530 L412 L510 L420 W510 W520 SL410 SL510 Edge 14"" 15"", 9-cell Replacement 42T4753 42T4235 51J0499

Battery Type: Lithium-Ion ; Model Name: 0A36303 0A36302 FRU P/N 45N1007 ; Voltage: 11.1V ; Capacity: 8.4Ah/94Wh ; Cells: 9-cell; Condition: 100% New from Manufacturer.
Compatible for Lenovo Thinkpad T410 T410i T420 T420i T430 T430i T510 T510i T520 T520i T530 T530i Thinkpad L410 L412 L420 L421 L430 L510 L530S W510 SL410 2842 Edge 14"" 0578F7U E40 E50 dell battery.
Compatible for ASM P/N 42T4703 42T4752 42T4756 42T4794 42T4796 45N1000 45N1004 45N1106 FRU P/N 45N1001 45N1005 42T4765 0A36303 0A36302 45N1007 45N1011 45N1006 42T4799 42T4969 for dell battery.
High Quality Security: Our 0A36303 0A36302 Battery has passed the intelligent and reliable safety inspection UL-/CE-/FCC-/RoHS.Quicker charging, lower power consumption and longer discharge time.
Warranty : 90 Days Money Back Guarantee; 12 Months Warranty; 24 x 7 Email Support.Any question please contact us directly through the "Ask a question".Response will be reached in 24 hours.

Rank No. #7

Nimitz 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530

Add a 2nd drive to your laptop by replacing your optical drive
Fits in 12.7mm height Ultrabay of your ThinkPad laptop,Fully integrated into ThinkPad laptop, no cables/PSU/software driver needed
This device accepts 2.5"/12.7mm-high or less SATA HDD/SSD.
Compatible:T420 T430 T510 T520 T530 W510 W520 W530 W700 W701 R400 R500
Comes with matched Faceplate/Bezel,don't need change original DVD drive. (fit well as picture 6)

Rank No. #8

LXDDP Laptop Replacement Keyboard for Lenovo ThinkPad T400S T410 T410S T410I T410SI T420 T420I T420S T510 T510I T520 W510 W520 X220 X220I X220S X220T US Layout Black

Compatible Model For Lenovo ThinkPad T400S T410 T410S T410I T410SI T420 T420I T420S T510 T510I T520 W510 W520 X220 X220I X220S X220T
Compatible part numbers 45N2036 45N2211 45N2176 04W2753 0B35709 45N2071 04W2753 0B35709 45N2141 45N2106 C989 C9-89US C9-USE 04W2753
You Can Get Keyboard x 1. Original replacement US layout.
Safe Easy for you replace your faulty, cracked or broken keyboard, seller remind that you should replace the keyboard in the off state.
Note Please cheak whether this keyboard fits your laptop or not easily before bidding.

Rank No. #9

90W 20V 4.5A AC Adapter Charger for Lenovo Thinkpad T60 T61 T400 T410 T420 T430 T500 T510 T520 T530 X60 Z60 X200 X201 X220 X230 X61 L420 L430 Edge 14 15 E420 E430 E530 Power Supply

SPECIFICATION : DC Output 20V 4.5A, Input 100-240V 50-60Hz, Power 90 Watt, Connector Size:7.9*5.5mm(round tip), 3 prongs, Color Black, Condition new, Weight about 0.75lb, Package includes 1xreplacement AC adapter, 1x DC power cord. To choose the right AC charger, it is important to check your old adapter before to find out these features(output, input, connector size etc.)
COMPATIBILITY : Fit 40y7696 42t4419 42t4423 42t5282 Pa-1650-16 Pa-1650-16i 40Y7699, 92P1104, 92P1111, 92P1154, 92P1156, 92P1158, 92P1160, 92P1161, 92P1212 92P1253, 92P1254, 92P1255, 93P5026, FRU 92P1104, FRU 92P1106, FRU 92P1108, FRU 92P1110 FRU 92P1112, FRU 92P1114, FRU 92P1153, FRU 92P1157, PA-1650-161, PA-1650-171, PA-1900-171 40Y7659, 40Y7660, 40Y7661, 40Y7662, 40Y7664, 40Y7665, 92P1105, 92P1109, 92P1110, 92P1113, 92P1114. For compatible models please refer to description or contact us.
SAFETY : ECHEER AC adapters have passed strict intelligent detection, like over-current protection, over-voltage protection, short circuit protection which is very important for adapter’s use cycle and safety. Also CE, FCC, RoHS certificated.
FACTORY SALE : We have our own factory so we can control strictly on the production. Also there’re professional engineers and staff to work with the products’ quality and safety. Our mission is quality and customer first. Every one of our replacement notebook adapters are tested to meet OEM specifications.
WARRANTY & SUPPORT : 12-Months Warranty, 30 days money back guarantee. Free exchange for any quality problems. 24 x 7 email support. Great before and after sales services. Please contact us if you have any problems for our adapters. Buy with confidence!

Rank No. #10

Lenovo THINKPAD T420 4180 Laptop Screen 14 SLIM LED BOTTOM RIGHT WXGA HD

Laptop Display Screen Size: 14 SLIM LED inches
Laptop Display Screen Finish: Glossy or Matte (Depends upon availability)
Laptop Display Screen Resolution: WXGA HD 1366*768
Laptop Display Screen Type: LED Slim Display Bottom RIGHT
Laptop Display Screen Warranty

Rank No. #11

New 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T510I T520 T520I T530 T530I T530U W510 W520 W530 W700 W701 R400 R500 12.7mm high with Matched Faceplate/Bezel

Rank No. #12

Dtk Extended Laptop Notebook Battery Replacement for Lenovo IBM Thinkpad E40 E50 0578 E420 E425 E520 E525 L410 L412 L420 L421 L510 L512 L520 Sl410 Sl510 T410 T420 T510 T520 W510 W520 10.8V 7800MAH

Battery type: Li-ion; Capacity: 7800mAh; Cells: 9-cell; Voltage: 10.8V.
Compatible Models: LENOVO ThinkPad E40 E50 Edge 0578-47B Edge 14" 05787UJ d 14" 05787VJ 14" 05787WJ Edge 15" E420 E425 E520 L410 L412 L420 L421 L510 L512 L520 SL410 2842 SL410 2874 SL410k 2842 SL510 SL510 2875 SL510 T410 T410i T420 T510 T510i T520 T520i W510 W520.
Compatible Part Numbers : 42T4235 42T4708 42T4714 42T4733 42T4756 42T4764 42T4798 42T4803 42T4819 42T4848 42T4911 51J0499 57Y4185 57Y4545 ASM 42T4703 42T4752 42T4794 42T4702
Operation time for standard batteries(9-cell, 7800mah): Around 3 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.
All DTK batteries are UL/CE-/FCC-/RoHS certified for safety and packed with a variety of safety features, including short circuit, overheat, and overload protections.Strict guidelines for compatibility, and standards compliance for environment safety.Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 100% New from Manufacturer. Up to 500 recharge cycles .

Rank No. #13

TREE.NB Laptop Battery for Lenovo Thinkpad T420 T520 T430 T430I T530 T530I W530 L530 L430 PN: 45N1005 45N1004 0A36302 45N1107, 6-Cells

Laptop Battery for Lenovo Thinkpad T420 T520 T430 T430I T530 T530I W530 L530 L430 PN: 45N1005 45N1004 0A36302 45N1107.
Lenovo Thinkpad T420 T520 T430 T430I T530 T530I W530 L530 L430 Series
Lenovo: 45N1005 45N1004 0A36302 45N1107.
✅ All products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety.
Warranty: Free replacement within 12 months(no exchange but resend new one), 30 days money back guarantee. CONTACT US: Please contact through "Your Orders" tab in Amazon account (allow 24hrs for reply).

SaleRank No. #14

Bovekeey 0A36303 70++ T430 W510 Battery W530 for Lenovo ThinkPad T420 T410 T530 L430 L530 T520 T510 W520 L410 L412 L420 L430 42T4751 42T4793 42T4969 45N1011 45N1010 0A36302, 94WH

POWER SPECS: Brovekeey specialized in Laptop Accessories including Laptop Batteries, Adapters and other Electronics. Battery Type: Li-ion; Voltage: 10.8V/11.1V Capacity: 7800mAh / 94Wh;Cells: 9-cell;color: Black, Each of our product is CE-/FCC-/RoHS-Certified.
COMPATIBILITY: Lenovo ThinkPad L412 L420 L430 L512 L520 L530 T410 T410 T420 T420 T420i T430 T430i T510 T520 T520i T530, ThinkPad W510 W520 W530 W530i !!! NOT compatible with the T410S, T420S, T430S, T530S Models battery.
COMPATIBLE P/N: Lenovo 70++ 0A36303 0A36302 42T4852 42T4927 42T4969 45N1007 45N1011 45N1001 45N1005 42T4235 42T4756 42T4798 42T4848 42T4911 51J0499 57Y4185 42T4752 42T4751 42T4793 42T4755 42T4763 42T4848 42T4235 42T4911 45N1000 45N1001 45N1005 45N1011 45N1004 42T4791 51J0499 42T4852 42T4757 42T4752 42T4756 42T4819 42T4817 42T4796 45N1007 42T4753 42T4733 42T4803 42T4795 42T4851
FITS PROPERLY AND CHARGES FAST: 100% New from Manufacturer Grade A cells ensure fast charges and low power consumption ; Adopted upgraded circuit board to increase the operating time by 25%.factory direct supply and best price ; Built-in-circuit protection overcharge protection, over voltage protection ensures both safety and stability.
Continuous Service- Your repeat business is important for us, 24 hours Support, 60 days money back guarantee, Responsible for any issues in 12- Months!!

Rank No. #15

IBM Lenovo 65W Adapter 20V 3.25A For IBM Lenovo ThinkPad:ThinkPad T420,ThinkPad T420 4177QJU,ThinkPad T420 417859U,ThinkPad T420 418064U,ThinkPad T420 4180NEU,ThinkPad T420s,100% Compatible 92P1156,40Y7660,PA-1650-161

Make sure this fits. by entering your model number.
AC Input: 100~240V 50~60Hz
DC Output: 20V 3.25A, 65W
LENOVO Adapter,Compatible P/N: 92P1156,40Y7660,PA-1650-161
Tested for Key Functions, R2/Ready for Resale

Rank No. #16

LQM 11.1V 94Wh/8.4Ah New Laptop Battery for Lenovo ThinkPad 55++ T410 T420 E420 T510 T510i T520 T520i W510 W520 57Y4186 42T4799 42T4798

Battery type:Li-ion Voltage:11.1V Capacity:94WH/8.4AH
Replacement for For Thinkpad L410 L412 L420 L510 L512 L520 T410 T410i T420 T510 T510i T520 W510 W520 55++
Also fit 42T4853 42T4799 42T4912
12 Months Warranty,30 days money return guarantee

Rank No. #17

Bovekeey T430 W510 70++ 0A36303 Battery 94Wh for Lenovo ThinkPad T420 T410 T530 T520 T510 W530 W520 L430 L420 L412 L530 L520 L512 45N1011 45N1010 45N1005 42T4791

POWER SPECS: Bovekeey specialized in Laptop Accessories including Laptop Batteries, Adapters and other Electronics. Battery Type: Li-ion; Voltage: 10.8V/11.1V Capacity: 7800mAh / 94Wh;Cells: 9-cell;color: Black, Each of our product is CE-/FCC-/RoHS-Certified.
COMPATIBILITY: Lenovo ThinkPad L412 L420 L430 L512 L520 L530 T410 T410 T420 T420 T420i T430 T430i T510 T520 T520i T530, ThinkPad W510 W520 W530 W530i !!! NOT compatible with the T410S, T420S, T430S, T530S Models battery.
COMPATIBLE P/N: Lenovo 70++ 0A36303 0A36302 42T4852 42T4927 42T4969 45N1007 45N1011 45N1001 45N1005 42T4235 42T4756 42T4798 42T4848 42T4911 51J0499 57Y4185 42T4752 42T4751 42T4793 42T4755 42T4763 42T4848 42T4235 42T4911 45N1000 45N1001 45N1005 45N1011 45N1004 42T4791 51J0499 42T4852 42T4757 42T4752 42T4756 42T4819 42T4817 42T4796 45N1007 42T4753 42T4733 42T4803 42T4795 42T4851
FITS PROPERLY AND CHARGES FAST: 100% New from Manufacturer Grade A cells ensure fast charges and low power consumption ; Adopted upgraded circuit board to increase the operating time by 25%.factory direct supply and best price ; Built-in-circuit protection overcharge protection, over voltage protection ensures both safety and stability.
FULL MONEY BACK AND FREE EXCHANGE: 90 Days no-questions-asked full money back and 365 Days Free Exchange Guarantee. The return window will be closed after one month, click the button "ASK A QUESTION" and CONTACT US, we will solve it within 24 hours.

Rank No. #18

Lenovo Thinkpad T420 14-Inch Laptop (Intel Core i5 2.5ghz,4GB,250GB DVDRW Win 7 Professional)

Core i5-620M (4M Cache, 2.66ghz)
4GB Fast DDR3 1333mhz Memory
Massive 250GB SATA Hard Drive
Internal roll cage protects components from accidental damage
Certified Pre-Owned PC from a Microsoft Authorized Refurbisher. 1 Year Warranty

Rank No. #19

Lenovo ThinkPad Mini Dock Series 3 Docking Sation with USB 3.0 - 90W - 433715

1x VGA, 1x DVI-D, 1x DisplayPort, 1x USB 3.0, 5x USB 2.0, Gigabit Ethernet, Security Key, and Lock Cable Lock Slot.
Maximum supported monitors: 2 (depending on system's graphics capabilities).
Includes ThinkPad 90W AC adapter.
COMPATIBLE with select 65w and 90w Lenovo laptops - NOT recommended for laptops with 170W AC adapters.
Also supports recent models, such as the following series: T420, T430, T510, T520 (dual core), and T530 (dual core).

Rank No. #20

ROLADA 65W 20V 3.25A Power Supply for Lenovo Thinkpad X230 E545 T530 T420 T420s T500 T520 X140e; B590 L430 R400 R500 R61 R61i SL500 SL510 T430u; Edge 15 E430 E520 E530 E535 Laptop Charger Power Cord

100% Brand New, DC-Output : 20V~3.25A~65W Input : 100-240V - 1.5A 50/60 Hz
DC Connecter size: External Diameter: 7.9mm, Internal Diameter: 5.5mm
Comaptible with : Lenovo ThinkPad Edge 13 14 15 E220S E420 E425 E420S E430 E430c E520 E525 E530 E530c E535 E545 B490 B590 R400 R61 R61i S230u SL300 SL400 SL410 SL500 SL510 L410 L412 L420 L421 L430 L510 L512 L520 L530 T430u T510i T520 T520i T530 T60 1952 T60p T61 X100E X120E X130E X131E X140E X200 X200S X220 X220i X220T X230T X300 X230 X301 X60 X60s
P/N: 40y7696 42t4419 42t4423 42t5282 92p1157 92p1158 Pa-1650-16 Pa-1650-16i

Last update on 2023-08-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Features: What bells and whistles matter for an thinkpad laptop t420?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your thinkpad laptop t420.
Customer Ratings: Number ratings grade thinkpad laptop t420 objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their thinkpad laptop t420.
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FAQ:

Q: What kind of processor does Lenovo ThinkPad T420 have?

A: Offering just the right balance between performance and mobility, the business-rugged Lenovo ThinkPad T420 is ideal for office-to-home professionals who are producing on the go. Specifications: Processor: Intel Core i5 2520M, up to 2.9GHz Graphics: Intel HD Integrated Memory: 8GB DDR3 Hard Drive: 320GB SATA.

Q: What kind of GPU does Nvidia T420 have?

A: The T420 can be configured with a Discrete NVIDIA NVS 4200M (1GB VRAM) GPU with Optimus technology that can automatically switch between the integrated and discrete GPU to provide peak performance without sacrificing battery life. The 14.0″ display has a 1366×768 resolution as default,…

Q: How long does ThinkPad T420 take to transcode MPEG4?

A: Using Oxelon Media Encoder, the T420 transcoded a 114MB MPEG4 to AVI in 43 seconds, 15 seconds less than the thin-and-light average, and on a par with the Toshiba R840 (41 seconds) and the HP 8460p (42 seconds).