PartsTable
Technical Data Sheet
PartsTable / POWER_SUPPLY / 3-4X1
3-4X1 ✓ 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

550W PSU FOR POWEREDGE R430/R530. Key specifications include length: 8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, material: ALUMINUM ALLOY, special_features: ORIGINAL NAME: METAL BAR, basic_shape_style: ROUND, cross-sectional_width: 1.000 INCHES NOMINAL IN, weight_per_unit_measure: 0.090 POUNDS PER LINEAR FOOT LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9530-00-074-2933, indicating validated use in U.S. government and defense logistics supply chains. 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→ 3-4X1
NSN: 9530-00-074-2933
FSC: 9530
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
length8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
materialALUMINUM ALLOY
special_featuresORIGINAL NAME: METAL BAR
basic_shape_styleROUND
cross-sectional_width1.000 INCHES NOMINAL IN
weight_per_unit_measure0.090 POUNDS PER LINEAR FOOT LBS
cross-sectional_thickness0.3750 INCHES NOMINAL IN
nondefinitive_spec/std_dataT4 CONDITION
cross_section_outside_diameter0.312 INCHES NOMINAL IN
NSN9530-00-074-2933
COMPONENT DIAGRAM
PULL TAB AIRFLOW 550W PLATINUM 100-240V~ 50/60Hz DELL BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | 550W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU 550W PN 3-4X1 MFR DELL Platinum
KEY FEATURES
•
550W Power Rating
•
MATERIAL: ALUMINUM ALLOY
•
BASIC SHAPE STYLE: FLAT
•
CROSS-SECTIONAL THICKNESS: 0.7500 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 1.000 INCHES NOMINAL IN
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
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY
BASIC SHAPE STYLEFLAT
CROSS-SECTIONAL THICKNESS0.7500 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
QQA268-1-2X1 1-2Interchangeable
interchangeable cross-reference
interchangeable
QQA268Interchangeable
interchangeable cross-reference
interchangeable
1-2X1-1-2Interchangeable
interchangeable cross-reference
interchangeable
3-4X31-2Interchangeable
interchangeable cross-reference
interchangeable
3-8X11-2Interchangeable
interchangeable cross-reference
interchangeable
3-8X3-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-4X1?
3-4X1 is a 550W PSU FOR POWEREDGE R430/R530 manufactured by DELL. It is classified as a POWER_SUPPLY (HOTPLUG_PSU).
What parts can replace 3-4X1?
There are 12 known substitutes for 3-4X1: QQA268-1-2X1 1-2, QQA268, 1-2X1-1-2 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-4X1?
3-4X1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9530-00-074-2933. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026