# Power Supply Supermicro PWS-1K21P-1R-RFB 1200W ATX

**URL:** https://aio.lv/en/product--supermicro-pws-1k21p-1r-rfb--11403379
**Data updated:** 2026-01-12 19:34 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** Supermicro
**Manufacturer code:** PWS-1K21P-1R-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 51.49 €
**Prices and availability valid until:** 2026-08-09 23:59
**Price without VAT (21%):** 42.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--supermicro-pws-1k21p-1r-rfb--11403379

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

ATX power supply Supermicro PWS-1K21P-1R-RFB with 1200W rated output. Designed for server and workstation systems that require high continuous power delivery. Provides stable power for CPUs, GPUs and storage subsystems; suitable for rack or tower systems compatible with ATX form factor. Professional replacement or upgrade option for systems needing 1200W capacity.

## Long description

Supermicro PWS-1K21P-1R-RFB is an ATX power supply delivering a rated 1200W output for server and workstation environments. This 1200W ATX power supply is designed to provide continuous, stable power for multi-core CPUs, high-performance GPUs and storage subsystems in rack-mounted or tower systems compatible with the ATX form factor. As a professional replacement or upgrade option from the Supermicro PWS-1K21P-1R-RFB series, it is intended for systems that require sustained high power delivery and consistent voltage regulation.
Advantages
The Supermicro PWS-1K21P-1R-RFB 1200W ATX power supply offers reliable continuous power suitable for demanding computing loads. It supports stable voltage output for critical components such as processors, graphics cards and drives, helping to maintain system stability under heavy workloads. The unit follows Supermicro design and manufacturing standards and fits standard ATX-compatible server and workstation chassis that accept ATX form factor power supplies.
Suitable for
Rack-mounted servers and tower workstations using ATX-compatible power supplies
Systems with multiple CPUs or high-core-count processors requiring continuous power delivery
Workstations and servers with discrete GPUs or accelerator cards that add to power draw
Storage-heavy systems with several drives and RAID subsystems
Professional replacement or upgrade scenarios where 1200W capacity is required
Key specifications
Brand: Supermicro
Model / MPN: PWS-1K21P-1R-RFB
Form factor: ATX compatible
Rated output: 1200W
How to use
Install the Supermicro PWS-1K21P-1R-RFB into an ATX-compatible chassis following standard safety and grounding procedures. Ensure the system is powered off and disconnected from mains power before removal or installation. Secure the unit in the chassis mounting points, connect the main 24-pin motherboard connector, the required CPU power connectors and any necessary PCIe or peripheral power cables to GPUs and drives. Verify cable routing for adequate airflow and ensure connectors are fully seated. After installation, reconnect mains power and perform a controlled power-on to confirm that the system recognizes the supply and operates within expected voltage ranges.
Usage recommendations
Use the Supermicro PWS-1K21P-1R-RFB in systems that match the ATX form factor and require a 1200W capacity. Confirm compatibility with your chassis and internal connectors before installation. Maintain proper ventilation and regular dust management to preserve cooling and performance. For mission-critical deployments, consider using monitoring tools and redundant power configurations where supported by the system.

## FAQ

### How much does the Power Supply Supermicro PWS-1K21P-1R-RFB 1200W cost, and is it available for purchase?

The price is 51.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 24.07.2026 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. All transactions are 100% secure and encrypted.

### 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 Supermicro 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 Supermicro 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

## Image

https://aio.lv/img/cache/product/11403379/66641503_large.webp