---
product_id: 55536653
title: "Bitmain Antminer A3 ASICa"
brand: "bitmain"
price: "R$668"
currency: BRL
in_stock: false
url: https://www.desertcart.com.br/products/55536653-bitmain-antminer-a3-asica
store_origin: BR
region: Brazil
---

# 815 GH/s hashing power Dual fan air cooling 1300W+ power supply needed Bitmain Antminer A3 ASICa

**Brand:** bitmain
**Price:** R$668
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power your crypto hustle with the Antminer A3 – mine smarter, not harder!

## Quick Answers

- **What is this?** Bitmain Antminer A3 ASICa by bitmain
- **How much does it cost?** R$668 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/55536653-bitmain-antminer-a3-asica)

## Best For

- bitmain enthusiasts

## Why This Product

- Trusted bitmain brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power-Hungry Performance:** Requires robust 1300W+ PSU with 10x 6-pin PCIe connectors
- • **Blazing 815 GH/s Hashrate:** Dominate Blake(2b) coins with unmatched speed
- • **Silent Yet Strong Cooling:** Dual fans keep your rig cool under pressure
- • **Versatile Blake(2b) Mining:** Supports SiaClassic, Hyperspace, SiaPrime—beyond just SiaCoin
- • **Plug & Play Built-in Controller:** No extra host computer needed—start mining instantly

## Overview

The Bitmain Antminer A3 ASIC delivers a powerful 815 GH/s hash rate optimized for Blake(2b) algorithm coins like SiaClassic and SiaPrime. Featuring a built-in controller for seamless plug-and-play operation, it requires a high-capacity 1300W+ power supply with multiple 6-pin PCIe connectors. Dual fans ensure efficient air cooling, maintaining optimal performance within a compact 125 x 208 x 321 mm frame. Ideal for serious miners ready to maximize returns on alternative Blake(2b) cryptocurrencies.

## Description

ManufacturerBitmain ModelAntminer A3 (815Gh) ReleaseJanuary 2018 Size125 x 208 x 321mm Weight4200g Chip boards3 Chip nameBM1720 Chip count180 Noise level76db Fan(s)2 Power1275W Wires10 * 6pin Voltage11.60~13.00 V InterfaceEthernet Temperature0 - 40 °C Humidity5 - 95 %

## Features

- Can not mine SiaCoin (SC) since the hard fork
- Can mine all other blake(2b) coins like SiaClassic, Hyperspace, SiaPrime
- Requires 1300w+ power supply with 10x six-pin PCIe connectors, not included.
- Built-in controller - No separate host computer required for operation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07932Q756 |
| Best Sellers Rank | #1,264 in Computer Power Supplies |
| Brand | Bitmain |
| Compatible Devices | Cryptocurrency Mining Rig |
| Connector Type Used on Cable | PCI Express |
| Cooling Method | Air |
| Customer Reviews | 3.2 3.2 out of 5 stars (22) |
| Form Factor | ATX |
| Item Dimensions | 18 x 16 x 12 inches |
| Item Weight | 11 Pounds |
| Manufacturer | Bitmain |
| Maximum Input Voltage | 13 Volts |
| Mfr Part Number | Antminer_A3 |
| Minimum Input Voltage | 11.6 Volts |
| Model Name | A3 |
| Model Number | Antminer A3 |
| Number of Fans | 2 |
| Output Wattage | 1300 Watts |
| System Bus Connector Type | 6 Pin |
| UPC | 660902716432 |
| Upper Temperature Rating | 40 Degrees Celsius |
| Wattage | 940 watts |

## Product Details

- **Brand:** Bitmain
- **Compatible Devices:** Cryptocurrency Mining Rig
- **Connector Type:** PCI Express
- **Cooling Method:** Air
- **Form Factor:** ATX
- **Item Weight:** 11 Pounds
- **Item dimensions L x W x H:** 18 x 16 x 12 inches
- **Model Name:** A3
- **Output Wattage:** 1300 Watts
- **Wattage:** 940 watts

## Images

![Bitmain Antminer A3 ASICa - Image 1](https://m.media-amazon.com/images/I/618NDVeFDyL.jpg)
![Bitmain Antminer A3 ASICa - Image 2](https://m.media-amazon.com/images/I/4104kyZRCuL.jpg)

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**Shop now:** [https://www.desertcart.com.br/products/55536653-bitmain-antminer-a3-asica](https://www.desertcart.com.br/products/55536653-bitmain-antminer-a3-asica)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-07-02*