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Black rectangular ATX power supply unit with fan grille and power socket

Lenovo

Lenovo PS-3651-1L-LF 650W ATX power supply

SKU CH-SP32-NSWF2 MPN PS-3651-1L-LF

A 650 W ATX power supply with eight +12 V rails for Lenovo ThinkStation P510, P700 and P710 workstations

  • TypeATX
  • 650 W output powers demanding workstation builds
  • Eight +12 V rails deliver up to 18.1 A each for stable GPU loads
  • 100-240 V input works worldwide without a voltage switch
  • 08 V standby rail supplies 7 A for wake-on-LAN and USB charging
  • Designed for ThinkStation P510, P700 and P710 compatibility

Lenovo 650W ATX power supply for ThinkStation

This 650-watt ATX unit is built for Lenovo ThinkStation P510, P700 and P710 systems. It delivers regulated power to workstation-class motherboards and components in professional environments. The switching design supports continuous operation under demanding loads. It is a direct replacement for the original factory supply.

Fits standard ATX bays

The supply accepts 100-240 V input at 50 or 60 Hz, so it works on global mains without a voltage switch. Eight +12 V rails each provide up to 18.1 A, while the +5.08 V standby rail delivers 7 A and the -12 V rail supplies 0.3 A. This rail layout matches the power distribution required by supported ThinkStation platforms. No additional adapters are needed for the native connectors.

Replaces a failed or ageing OEM unit in the same

Swapping in this FRU 54Y8908 restores the original 650 W capacity and rail configuration without BIOS changes. The upgrade is worthwhile when the existing supply shows instability, fan noise or voltage drift under load. It is not suited for builds that need higher total wattage, different rail counts or non-ThinkStation form factors.

Highlights

  • 650 W output powers demanding workstation builds
  • Eight +12 V rails deliver up to 18.1 A each for stable GPU loads
  • 100-240 V input works worldwide without a voltage switch
  • 08 V standby rail supplies 7 A for wake-on-LAN and USB charging
  • Designed for ThinkStation P510, P700 and P710 compatibility

Specifications

TypeATX

Questions about this item

How much +12 V current can this PS-3651-1L-LF deliver before protection triggers?

Eight +12 V rails each supply 18 A to 18.1 A, giving a combined 650 W limit under sustained load.

What fan noise and heat should I expect when this unit runs continuously at full output?

The 650 W switching design moves enough air to keep internal temperatures stable during all-day operation in a ThinkStation chassis.

Which motherboard power connectors must my system already have to use this Lenovo PSU?

A 24-pin ATX main connector plus the matching CPU and peripheral leads used by ThinkStation P510, P700 and P710 boards.

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