Shipping Information
- Available for shipping
- Usually leaves our partner warehouse in 3-5 business days
Store Availability
- 4-6 business days at Bankstown Store
- 4-6 business days at Castle Hill Store
- 3-5 business days at Northmead Store
Shipping Estimate
Seasonic 300W SUB FLEX ATX Power Supply Unit


| Power | |
| Total power The total power that is needed by the device, or the total power produced by the device. | 300 W |
| AC input voltage The voltage of the AC electricity that is inputted into the product. | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power Factor Correction (PFC) type | Active |
| Max output current (+3.3V) | 14 A |
| Max output current (+12V1) | 18 A |
| Max output current (+12V2) | 18 A |
| Max output current (-12V) | 0.8 A |
| Max output current (+5Vsb) | 2 A |
| Efficiency | 80% |
| Power protection features Features that protect the device against power problems e.g. overload. | Over current, Over voltage, Short circuit, Under voltage |
| Ports & interfaces | |
| Motherboard power connector The way in which the motherboard is connected to the power supply. | 20+4 pin ATX |
| Number of SATA power connectors | 1 |
| Peripheral (Molex) power connectors (4-pin) White 4-pinned connector used to connect a peripheral to the power supply. | 2 |
| Performance | |
| 80 PLUS certification | 80 PLUS Bronze |
| Purpose What the product is used for. | Server |
| Power supply unit (PSU) form factor | 1U |
| ATX version ATX (Advanced Technology eXtended) is a motherboard form factor specification developed by Intel in 1995. The specification defines the key mechanical dimensions, mounting point, I/O panel, power and connector interfaces between a computer case, a motherboard and a power supply. There are many versions of ATX including ATX12V 1.x and ATX12V v2.3. | 2.31 |
| Design | |
| Product colour The colour e.g. red, blue, green, black, white. | Silver |
| Cooling type The method used to cool the device or to cool the air around the device. | Active |
| Fan diameter The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan. | 4 cm |
| Number of fans The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation). | 1 fan(s) |
| Fan speed | 0 - 1000 RPM |
| Fan location | Rear |
| Certificates | |
| Compliance certificates | RoHS |
| Safety regulation & standards | |
| Safety List of regulatory safety standards for all countries in which this product has been certified. | CB, cUL, TUV, CCC, BSMI |
| Weight & dimensions | |
| Width The measurement or extent of something from side to side. | 81.5 mm |
| Depth The distance from the front to the back of something. | 150 mm |
| Height The measurement of the product from head to foot or from base to top. | 40.5 mm |
| Other features | |
| Mounting type Type of mounting e.g. wall mounting. | Rack mounting |
| Screws included |
|
| SKU | 821742 |
| MPN | SSP-300SUB |
| Brand | Seasonic |
| Product Condition | Brand New/Unused |
| Stock Availability | Available for Shipping |
| Warranty Period | 5 Years Warranty |
| Warranty Contact | https://seasonic.com/ |