We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver metal rectangular server power supply unit with rear fan grille and power socket

Supersuperuncle

Supersuperuncle Dell T3400 Workstation Power Supply 525W YY922 YN637

SKU CH-0DGH-THXB1

525 watt replacement power supply for Dell T3400 workstations, matching part numbers YY922 and YN637

  • Compatible with Dell T3400 workstation systems
  • 525 watt output for stable power delivery
  • Replaces OEM part numbers YY922 and YN637
  • New condition ensures reliable performance

Dell T3400 525W Replacement Unit

This power supply replaces the original Dell T3400 workstation unit using part numbers YY922 and YN637. It delivers 525W to the motherboard and internal drives through the proprietary Dell connector layout. The unit is built for the T3400 chassis and mounting points only. It is not for builders who need a standard ATX form factor or modular cabling.

Thermals Noise and Power Draw

The 525W rating supplies the T3400 processor, memory and expansion cards under typical workloads. The internal fan spins according to the Dell thermal curve, so acoustics follow the original workstation profile. Power draw at the wall matches the connected components up to the rated maximum. No efficiency certification or fan-speed data is provided by the supplier.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $127.99
Typical for this category: the median of 3,798 items is $131.99.

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

How do I install this 525 W power supply into a Dell T3400 workstation, and what step is often missed?

Remove the old unit, slide the new supply in until it clicks, then reconnect the 24-pin motherboard and 4-pin CPU cables; the step often missed is re-engaging the retention latch that locks the supply to the chassis.

What maintenance or replacement will this Dell T3400 525 W unit need over time?

Clean the intake fan and heatsink annually to prevent dust build-up; expect to replace the unit after five to seven years of continuous use when capacitor ageing reduces 525 W delivery.

More in Server & Hot-Plug PSUs

Similar items