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header-product Power Supply Unit Inter-Tech ASPOWER R1A-KH0400 400 W
300.99 €

Power Supply Unit Inter-Tech ASPOWER R1A-KH0400 400 W

Power Supply Unit Inter-Tech ASPOWER R1A-KH0400 Photo 1
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Power Supply Unit Inter-Tech ASPOWER R1A-KH0400 Photo 1
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Short description

The Inter-Tech ASPOWER R1A-KH0400 is a reliable 400 W power supply unit designed for servers. It features a 20+4 pin ATX connector, active cooling with a 4 cm fan, and is 80 PLUS Silver certified for energy efficiency. With an AC input voltage range of 100 - 240 V and a frequency of 50 - 60 Hz, it ensures stable performance. The power cables include a 40 cm motherboard cable and SATA cables of 400 and 550 mm lengths. Dimensions: 122 mm (W) x 245 mm (D) x 41 mm (H).
Available at price 300.99 €: 4 pcs.
Total available for order: 15 pcs.
Warranty: 2 Years
SKU: 1915090
Manufacturer: INTER-TECH
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
10.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
13.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 2.14 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
13.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 8.36 euros per month
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Product information

Description

The Inter-Tech ASPOWER R1A-KH0400 is a 400 W server power supply unit designed for redundant 1U server installations. It provides stable DC output with 80 PLUS Silver efficiency and features a compact 122 x 245 x 41 mm metal housing, a 20+4 pin ATX motherboard connector and active cooling via a 40 mm fan. The unit supports an AC input range of 100–240 V at 50–60 Hz and comes with motherboard and SATA power cables of varying lengths for flexible internal routing.

Advantages

The power supply delivers up to 400 W total power with an efficiency of approximately 89%, reducing energy losses and heat generation. Its 80 PLUS Silver certification ensures reliable energy performance in server environments. The compact 1U form factor and included cables (40 cm motherboard cable and SATA cables of 400 mm and 550 mm) simplify installation in densely packed racks. Active cooling from the 40 mm fan helps maintain stable operation under load.

Suitable for (tasks / use cases)

  • 1U rack-mounted servers and compact server chassis
  • Redundant power supply configurations in small to medium server systems
  • Systems requiring an 80 PLUS Silver certified PSU for improved efficiency
  • Environments with limited internal space where a low-profile PSU is needed

Key specifications

  • Total power: 400 W
  • Efficiency: 89% (80 PLUS Silver)
  • Motherboard connector: 20+4 pin ATX
  • Fan diameter: 40 mm
  • AC input: 100–240 V, 50–60 Hz
  • Dimensions (W x D x H): 122 x 245 x 41 mm
  • Weight: 1.9 kg
  • Product colour: Silver

How to use

Install the Inter-Tech ASPOWER R1A-KH0400 into the designated 1U server bay following the chassis manufacturer’s instructions. Connect the 20+4 pin ATX cable to the motherboard power socket and attach required SATA or peripheral connectors to drives or other components. Ensure the AC mains cable is connected to a compatible power source within the 100–240 V, 50–60 Hz range. Verify proper airflow around the 40 mm fan and confirm that rack-mounted ventilation meets server cooling requirements.

Usage recommendations

For reliable long-term operation, use in systems with appropriate ventilation and maintain regular maintenance: keep airflow paths clear, avoid dust buildup around the 40 mm fan, and operate within the specified input voltage range. For redundant setups, match PSU models and ratings to ensure balanced load sharing.

Specifications

80 PLUS certification:
80 PLUS Silver
Power supply unit (PSU) form factor:
1U
Purpose: What the product is used for.
Server
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
2
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20+4 pin ATX
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
400 W
All features

Logistics data

Harmonized System (HS) code:
84733020

Packaging data

Package weight: Weight of the packaged product.
2180 g

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.
1.9 kg
Height: The measurement of the product from head to foot or from base to top.
41 mm
Depth: The distance from the front to the back of something.
245 mm
Width: The measurement or extent of something from side to side.
122 mm

Design

LED indicators:
Status
Number of fans: The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation).
2 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.
40 mm
Cooling type: The method used to cool the device or to cool the air around the device.
Active
Product colour: The colour e.g. red, blue, green, black, white.
Silver

Performance

Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
100000 h
80 PLUS certification:
80 PLUS Silver
Power supply unit (PSU) form factor:
1U
Purpose: What the product is used for.
Server

Ports & interfaces

Floppy disk drive connector:
Yes
Floppy drive power connector:
1
ATX power connector (20+4 pin):
Yes
CPU power cable length:
400 mm
CPU power connector (4+4 pin):
Yes
Peripheral (Molex) power cable length:
550, 400
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
2
SATA power cable length:
550, 400
Number of SATA power connectors:
2
Motherboard power cable length:
400 mm
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.
Overheating, Short circuit, Over power, Over current, Over voltage
Efficiency:
89 %
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.5 A
Max output current (+5V):
18 A
Max output current (+12V):
33 A
Max output current (+3.3V):
18 A
Combined power (+3.3V):
110 W
Input current:
6.3
AC input frequency:
50 - 60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Total power: The total power that is needed by the device, or the total power produced by the device.
400 W

Description

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Stock data
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EU3 4 10.08.2026 Best delivery
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331.49 €
Stock: 4
Delivery Date: 10.08.2026 Best delivery
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Customer reviews

Customer questions

FAQ

How much does the Power Supply Unit Inter-Tech ASPOWER R1A-KH0400 cost, and is it available for purchase?

The price is 300.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 10.08.2026 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. All transactions are 100% secure and encrypted.

Can Power Supply Unit Inter-Tech ASPOWER R1A-KH0400 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 Inter-Tech ASPOWER R1A-KH0400 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 INTER-TECH 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 INTER-TECH 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: 80 plus certification, power supply unit (psu) form factor, purpose, peripheral (molex) power connectors (4-pin), motherboard power connector, ac input voltage, total power, 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 Inter-Tech ASPOWER R1A-KH0400?

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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