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header-product Power Supply Unit Silverstone GM400 800 W
768.99 €

Power Supply Unit Silverstone GM400 800 W

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Short description

The Silverstone GM400 1U power supply unit delivers 800 W of power with a 20+4 pin ATX connector. It operates on an AC input voltage of 90 - 264 V and a frequency of 47 - 63 Hz. Designed for server use, it features 80 PLUS Silver certification for energy efficiency. The active cooling system with a 4 cm fan ensures optimal performance. Dimensions are 123 mm (W) x 270 mm (D) x 41.5 mm (H).
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 7466568
Manufacturer: SILVERSTONE
free shipment

Cheapest delivery:

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Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
16.07.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
21.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 2.75 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
21.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities
36 months installment: from 21.36 euros per month
Leasing for legal entities: from 26.76 euros per month
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Product information

Description

The Silverstone GM400 1U power supply unit provides a continuous 800 W output in a compact 1U server form factor. Built for rack and small‑form server applications, it accepts an AC input voltage range of 90–264 V at 47–63 Hz and delivers power through a 20+4 pin ATX motherboard connector. The PSU carries an 80 PLUS Silver efficiency rating and uses an active cooling system with a 40 mm fan. Its metal chassis in silver finish measures 123 mm (W) x 270 mm (D) x 41.5 mm (H) and weighs 2.15 kg.

Advantages

The Silverstone GM400 combines high output with a slim 1U profile, enabling deployment in space‑constrained server racks and compact chassis. The 80 PLUS Silver certification indicates reduced energy losses compared with standard units, while the active fan cooling maintains thermal stability during continuous operation. The 20+4 pin ATX connector ensures compatibility with a wide range of motherboards, and the robust metal housing provides mechanical reliability for server environments.

Suitable for

  • 1U rack servers and compact server chassis
  • Network appliances and storage systems requiring continuous 24/7 power
  • Workstations or small servers where space and efficient cooling are critical

Key specifications

  • Total output power: 800 W
  • Efficiency: 89% (80 PLUS Silver)
  • AC input voltage: 90–264 V
  • Input frequency: 47–63 Hz
  • Motherboard connector: 20+4 pin ATX
  • Cooling: active, 40 mm fan
  • Dimensions (W x D x H): 123 x 270 x 41.5 mm
  • Weight: 2.15 kg
  • Colour: silver

How to use

Install the Silverstone GM400 into a compatible 1U bay or compact chassis following your chassis manufacturer’s instructions. Connect the AC input to a properly rated mains outlet or power distribution unit, then attach the 20+4 pin ATX connector to the motherboard power socket. Ensure adequate airflow around the PSU intake and exhaust to allow the 40 mm fan to maintain cooling. Verify voltage range and grounding before powering on.

Usage recommendations

For reliable operation, use the PSU in environments within the specified AC range and ambient temperatures appropriate for server equipment. Maintain clear airflow paths and dust‑free intake areas; schedule periodic visual inspections of the fan and connectors. When deploying in racks, use compatible mounting hardware and follow cooling and power distribution best practices.

Specifications

Total power:
800 W
Efficiency:
89 %
Motherboard power connector:
20+4 pin ATX
80 PLUS certification:
80 PLUS Silver
Fan diameter:
40 mm
Weight:
2.15 kg
Product colour:
Silver
All features

Power

Total power:
800 W
Efficiency:
89 %
Power Factor Correction (PFC) type:
Active
Power protection features:
Over current, Over power, Over voltage, Short circuit
Power factor:
0.9
Combined power (+3.3V):
160 W
Combined power (+12V):
800 W
Combined power (+5V):
160 W
Max output current (+3.3V):
24 A
Max output current (+5V):
24 A
Max output current (-12V):
0.8 A
Max output current (+5Vsb):
3.5 A
AC input frequency:
47 - 63
AC input voltage:
90 - 264
Max output current (+12V1):
32 A

Ports & interfaces

Motherboard power connector:
20+4 pin ATX
Floppy disk drive connector:
Yes
PCI Express connector:
Yes
PCI Express power connectors (6-pin):
2
Floppy drive power connector:
2
Number of SATA power connectors:
4
Peripheral (Molex) power connectors (4-pin):
8
EPS power connector (8-pin):
Yes
Cabling type:
Non-Modular
Motherboard power cable length:
500 mm
SATA power cable length:
500, 150
Peripheral (Molex) power cable length:
500, 150
PCI Express power cable length:
500 mm

Performance

Purpose:
Server
80 PLUS certification:
80 PLUS Silver
Mean time between failures (MTBF):
100000 h
Noise level: Not only energy saving helps to protect the environment but also noise level reduction. Noise level reduction up to 3 dB really means noise level reduction in 2 times. For example, a device with noise level 39 dB (А) will be two times quieter than a devise with a noise level 42 dB (А). Energy-saving certificate that shows noise level plays the role of an additional objective indicator basing on which You can successfully choose a product.
52 dB
Power supply unit (PSU) form factor:
1U

Design

Fan diameter:
40 mm
Number of fans:
2 fan(s)
Cooling type:
Active
Fan location:
Side
On/off switch:
Yes
Product colour:
Silver

Weight & dimensions

Weight:
2.15 kg
Height:
41.5 mm
Width:
123 mm
Depth:
270 mm

Operational conditions

Operating temperature (T-T):
0 - 40

Packaging data

Package type:
Box

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

How much does the Power Supply Unit Silverstone GM400 cost, and is it available for purchase?

The price is 768.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can Power Supply Unit Silverstone GM400 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Power Supply Unit Silverstone GM400 online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All SILVERSTONE products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized SILVERSTONE service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: total power, efficiency, motherboard power connector, 80 plus certification, fan diameter, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Power Supply Unit Silverstone GM400?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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