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

**URL:** https://aio.lv/en/product--inter-tech-99997245--1915090
**Data updated:** 2025-12-29 07:55 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** INTER-TECH
**Manufacturer code:** 99997245
**EAN:** 4260455643504
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 301.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 249.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inter-tech-99997245--1915090

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary 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).

## Long 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

### Power

| Feature | Value |
|---|---|
| Total power | 400 W |
| Efficiency | 89 % |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit |
| Combined power (+3.3V) | 110 W |
| Max output current (+3.3V) | 18 A |
| Max output current (+12V) | 33 A |
| Max output current (+5V) | 18 A |
| Max output current (-12V) | 0.5 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 6.3 |
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Floppy disk drive connector | Yes |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 2 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| ATX power connector (20+4 pin) | Yes |
| CPU power connector (4+4 pin) | Yes |
| Motherboard power cable length | 400 mm |
| SATA power cable length | 550, 400 |
| CPU power cable length | 400 mm |
| Peripheral (Molex) power cable length | 400, 550 |

### Performance

| Feature | Value |
|---|---|
| Purpose | Server |
| 80 PLUS certification | 80 PLUS Silver |
| Mean time between failures (MTBF) | 100000 h |
| Power supply unit (PSU) form factor | 1U |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 40 mm |
| Number of fans | 2 fan(s) |
| Cooling type | Active |
| LED indicators | Status |
| Product colour | Silver |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.9 kg |
| Height | 41 mm |
| Width | 122 mm |
| Depth | 245 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 2180 g |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## FAQ

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

The price is 301.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 60 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 01.07.2026 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. 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. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

### 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 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.

## Image

https://aio.lv/img/cache/product/1915090/64779530_large.webp