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331-7957 ✓ Verified by PartsTable
DELL · 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

Stop lugging your AC adapter back and forth between home and office. Get a second AC adapter for your notebook and keep one in the office and one for home or travel.<br><br>The 180-Watt AC Adapter from Dell™ is specially designed to meet the power needs of your Dell™ laptop. Packed with of 180-Watt power, this adapter enables you to simultaneously operate your system and charge its battery from electrical power outlets.

It comes bundled with 6 ft power cord. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-685-3663, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
POWER_SUPPLY→ HOTPLUG_PSU→ 331-7957
NSN: 6130-01-685-3663
FSC: 6130
CAGE: 3DMD3 — DELL MARKETING L.P. (USA)
SPECIFICATIONS
Depth154.9 mm
Width76.2 mm
Height30.5 mm
Weight576.1 g
PurposeLaptop
Cable length1.83 m
Output power180 W
Compatibility- Inspiron 15 7558; Latitude E7240, E7440; - Precision Mobile Workstation M4800
Product colourBlack
Cables includedAC
Power supply typeIndoor
Power current typeAC-to-DC
NSN6130-01-685-3663
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz DELL 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 331-7957 MFR DELL Platinum
KEY FEATURES
•
OUTPUT SIGNAL TYPE: DIRECT CURRENT
•
PHASE: SINGLE SINGLE OPERATING POWER REQUIREMENT
•
ELECTRICAL POWER SOURCE RELATIONSHIP: OPERATING
•
FREQUENCY RATING: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE OPERATING POWER REQUIREMENT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH3.0 INCHES NOMINAL IN
OVERALL HEIGHT1.2 INCHES NOMINAL IN
OVERALL LENGTH6.1 INCHES NOMINAL IN
OUTPUT SIGNAL TYPEDIRECT CURRENT
PART NAME ASSIGNED BY CONTROLLING AGENCYADAPTER, POWER SUPPLY
PHASESINGLE SINGLE OPERATING POWER REQUIREMENT
ELECTRICAL POWER SOURCE RELATIONSHIPOPERATING
FREQUENCY RATING50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE OPERATING POWER REQUIREMENT
AC VOLTAGE RATING115.0 VOLTS NOMINAL SINGLE OPERATING POWER REQUIREMENT
SPECIAL FEATURESPOWER PROVIDED 180 WATT;6 FOOT POWER CORD FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
0YC9VCompatible
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - MPN
compatible
1HKJ6Compatible
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - APN
compatible
29DP7Compatible
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - APN
compatible
2H35JCompatible
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - MPN
compatible
331-1465Compatible
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
compatible
331-1469Compatible
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
THIS PART SUBSTITUTES FOR 20
9GWYWSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
CNF4HSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
D1404SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
D2746SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
D8406SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
DW5G3SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
F0G4KSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
FGV9JSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
GWF6TSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
H1NV4SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
J408PSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
JVF3VSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
KFY89SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
KP33DSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
KY894SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
MC9FVSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
MHP9CSUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
MJT35SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
N3834SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
974P7SUBSTITUTE
Dell Power Adapter AC 180W 7.4mm Output - C6 3-Pin AC Input - DPN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 331-7957?
331-7957 is a 331-7957 manufactured by DELL. It is classified as a POWER_SUPPLY (HOTPLUG_PSU).
What parts can replace 331-7957?
There are 12 known substitutes for 331-7957: 0YC9V, 1HKJ6, 29DP7 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 331-7957?
331-7957 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6130-01-685-3663. This indicates validated use in U.S. government and defense supply chains.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026