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Black rectangular ATX power supply unit with single fan visible

E-POWER

E-POWER EP-650-TD1 650 W power supply ATX12V active PFC non-modular

SKU CH-SD8J-Q48NA MPN EP-650-TD1

Delivers 650 W through dual +12 V rails with active PFC and a full set of SATA, Molex and PCIe connectors in a non-modular black chassis

  • Max wattage650 W
  • Modular cablingNo
  • Fan configuration1
  • Power factor correctionActive
  • Main power connector20+4Pin
  • 12V rails2
  • 650 W output supports demanding builds with dual 12 V rails at 20 A each
  • Active PFC corrects power factor for cleaner draw across 100-240 V input
  • Low ripple and noise keeps voltage stable for sensitive components
  • Four SATA connectors power multiple drives from a single unit
  • UL, CSA, CE, CB and FCC approvals confirm safety compliance

650 W ATX12V unit for standard builds

The E-POWER EP-650-TD1 delivers 650 W through an ATX12V design with active PFC. It suits builders assembling a typical desktop that needs a single graphics card. The non-modular layout keeps cabling simple for first-time assemblers. It is not for systems that demand fully modular cable management or multiple high-end GPUs.

Sustained load behaviour with dual +12 V rails

Four +12 V rails are each rated at 20 A, spreading the load across the CPU and graphics connectors. Active PFC maintains efficient draw from 100 to 240 V inputs at 50 or 60 Hz. Low ripple and noise output helps stability during long sessions. Over-voltage and short-circuit protection act on every rail if limits are exceeded.

Black case construction and fixed connector set

A single 120 mm fan cools the black enclosure while 100 % Hi-Pot testing verifies insulation before shipping. Fixed cables include a 20+4 pin main, one P4, six Molex, four SATA, one floppy and two PCI-E plugs. The 6-pin and 6+2-pin PCI-E connectors support one mid-range graphics card. Builders needing more SATA ports or a second PCI-E cable must look elsewhere.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $100.99
Cheaper than about 67% of the 10,869 comparable items (median $142.99).
Max wattage 650 W
Lower than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameePOWER
Model nameEP-650-TD1
Product typeATX12 V
Graphics
SLI supportNo
Ports & slots
PCIe power connectors1 × 6-Pin, 1 × 6+2-Pin
Output type+3.3 V@24A,+5 V@24A,+12V1@20A,+12V2@20A, +12V3@20A,+12V4@20A
Connection types1 x Main connector (20+4Pin)
1 × 12 V (P4)
6 × 4pin Molex
4 x SATA
1 x Floppy
2 x PCI-E
Power
Max wattage650 W
Modular cablingNo
Power factor correctionActive
Main power connector20+4Pin
12V rails2
Overvoltage protectionYes
Supply voltage100–120 V / 200–240 V
AC input frequency50/60 Hz
Rated input current10A @ 115 V, 6A @ 230 V
Size & build
Shipping weight2.81 kg
Package size292 × 229 × 102 mm
Environment & compliance
Regulatory approvalsUL, CSA, CE, CB, FCC
More details
Fan configuration1

Questions about this item

How loud and hot does the EP-650-TD1 get when running at 650 W all day?

The unit uses a single fan and is rated for low ripple and noise; active PFC keeps input current at 10A @ 115V or 6A @ 230V, so heat output stays proportional to load.

Which cables must my case and motherboard already provide for this non-modular PSU to work?

It comes with a fixed 20+4Pin main connector, one 12V P4, six 4-pin Molex, four SATA, one floppy, one 6-pin PCIe and one 6+2-pin PCIe — no extra cables are needed.

Will the dual +12 V rails at 20 A each support an older graphics card that only needs a single 6-pin connector?

Yes — the EP-650-TD1 provides one 6-pin and one 6+2-pin PCIe connector, each fed from the +12V rails rated at 20 A, so legacy cards are fully supported.

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