Overview



Introducing the Signature 2200 Platinum ATX 3.1 Power Supply. The Signature 2200 Platinum ATX3.1 is Antec’s high-performance ATX 3.1 power supply,designed to support modern, power-demanding systems. It features key industry standards including ATX 3.1 and PCIe 5.1 compliance, 100% high-quality Japanese capacitors, fully modular cabling, and up to 94% efficiency certified by 80 PLUS® Platinum. Built for reliability and efficiency, the Signature 2200 is a solid foundation for advanced PC builds.

With robust GPU support, server-grade PhaseWave™ design, and quiet thermal performance, this power supply is engineered for AI computing, professional workloads, workstations, and next-generation PC enthusiasts. Delivering reliable, high-efficiency power, it’s ideal for AI-driven applications.

ATX 3.1 & PCIe 5.1 Compatible
Fully compliant with the latest ATX 3.1 standard, the Signature 2200 ensures top-tier reliability and power efficiency. The bundled PCIe 5.1 12V-2x6 GPU cables provide robust support for modern high-performance graphics cards.

100% High-Quality JP Capacitors
Built entirely with premium Japanese capacitors, the Signature 2200 Platinum ATX3.1 delivers ultra-tight voltage regulation, minimal ripple, and long-term stability.

PhaseWave TM Design
Server-grade full-bridge LLC architecture with synchronous rectification and DC-DC topology ensures consistently efficient and stable power delivery across all rails.

135mm FDB Silent Fan
Equipped with a whisper-quiet 135mm fluid-dynamic bearing fan for high airflow, durability, and near-silent operation even under load.

Full Modular
Cable Management

Reduces cable clutter and improves airflow with fully modular cables. Use only what you need for a clean, streamlined build and optimal thermal performance.

Compact
High-Power Design

Delivering up to 2200W of power, the Signature 2200 Platinum ATX 3.1 is built in a compact chassis, allowing for greater compatibility with a wide range of high-end cases compared to many other high-wattage PSUs.




Specification


Technical Description: Antec SIGNATURE 2200 power supply unit 2200 W 20+4 pin ATX ATX Black

Design
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 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.
13.5 cm
Cooling type:The method used to cool the device or to cool the air around the device.
Active
Product colour:
Black

Operational conditions
Operating temperature (T-T):The minimum and maximum temperatures at which the product can be safely operated.
0 - 50 °C

Packaging data
Package weight:Weight of the packaged product.
4.85 kg

Performance
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.
3.1
80 PLUS certification:
80 PLUS Platinum
Power supply unit (PSU) form factor:
ATX
Purpose:What the product is used for.
PC

Ports & interfaces
Cabling type:
Fully-Modular
CPU power cable length:
70 cm
CPU power connector (4+4 pin):
Yes
PCI Express power cable length:
75 cm
PCI Express power connectors (12+4 pin):
2
PCI Express power connectors (12+4 pin) cable length:
700 mm
PCI Express power connectors (6+2 pin):
4
Peripheral (Molex) power cable length:
120,450 mm
Peripheral (Molex) power connectors (4-pin):White 4-pinned connector used to connect a peripheral to the power supply.
3
SATA power cable length:
150,500 mm
Number of SATA power connectors:
18
Motherboard power cable length:
61 cm
Motherboard power connector:The way in which the motherboard is connected to the power supply.
20+4 pin ATX

Power
Power protection features:Features that protect the device against power problems e.g. overload.
Over current, Over voltage, Short circuit, Under voltage
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.5 A
Max output current (+5V):
25 A
Max output current (+12V):
183.33 A
Max output current (+3.3V):
25 A
Combined power (+5Vsb):
15 W
Combined power (-12V):
6 W
Combined power (+5V):
125 W
Combined power (+12V):
2200 W
Combined power (+3.3V):
125 W
Power Factor Correction (PFC) type:
Active
Input current:
15 A
AC input frequency:
50/60 Hz
AC input voltage:The voltage of the AC electricity that is inpitted into the product.
200 - 240 V
Total power:The total power that is needed by the device, or the total power produced by the device.
2200 W

Weight & dimensions
Weight:Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
4.43 kg
Height:The measurement of the product from head to foot or from base to top.
205 mm
Depth:The distance from the front to the back of something.
600 mm
Width:The measurement or extent of something from side to side.
505 mm


Product details


0-761345-20161-2 Antec 0761345201612

Antec SIGNATURE 2200 power supply unit 2200 W 20+4 pin ATX ATX Black

£449.99 and In stock

SKU0-761345-20161-2

Antec SIGNATURE 2200 power supply unit 2200 W 20+4 pin ATX ATX Black

Quick Code: Q2969680 MPN: 0-761345-20161-2
£449.99

Quantity:
In Stock