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42T4429 ✓ Verified by PartsTable
LENOVO · POWER_SUPPLY · HOTPLUG_PSU
WHAT YOU NEED TO KNOW
Hotplug PSUs are very sturdy — rarely see warranty claims. Safe bet. Always make sure they're tested. Key checks: Make sure tested.
PRODUCT OVERVIEW

Lenovo ThinkPad Laptop Charger Power Supply Adapter. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
POWER_SUPPLY→ HOTPLUG_PSU→ 42T4429
SPECIFICATIONS
Part Number42T4429
ManufacturerLENOVO
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz LENOVO BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | —W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU —W PN 42T4429 MFR LENOVO Platinum
TYPICAL APPLICATIONS
  • Server power supply replacement (failed or degraded)
  • Redundant power upgrade for high-availability
  • Power capacity upgrade for GPU or expansion configurations
  • Hot-swap power maintenance in production environments
  • Spare inventory for break-fix operations
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
40Y7659Compatible
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - Option
compatible
42T4424Compatible
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - P/N
compatible
42T4425Compatible
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
compatible
42T4426Compatible
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C8 2-Pin AC Input - P/N
compatible
42T4427Compatible
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C8 2-Pin AC Input - FRU
compatible
42T4428Compatible
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - P/N
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
92P1104SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1105SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1106SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1107SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1108SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1109SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1110SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1111SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1112SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1113SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1114SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1153SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1154SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1155SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1156SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1157SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1158SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1159SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1160SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
92P1103SUBSTITUTE
IBM Power Adapter AC 90W 20VDC 4.5A 7.9mm Barrel Output - C6 3-Pin AC Input - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 42T4429?
42T4429 is a Lenovo ThinkPad Laptop Charger Power Supply Adapter manufactured by LENOVO. It is classified as a POWER_SUPPLY (HOTPLUG_PSU).
What parts can replace 42T4429?
There are 12 known substitutes for 42T4429: 40Y7659, 42T4424, 42T4425 and 9 more. Substitute compatibility should be verified for your specific system.
Is 42T4429 still available?
42T4429 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026