Bitmain Antminer K7 58T/60.5T/63.5T/66T CKB Mining Machine

Description

The Bitmain Antminer K7 is an air-cooled ASIC miner designed for the Eaglesong algorithm. It is optimized for mining Nervos Network (CKB) and, as a single-algorithm miner, does not support merged mining like the Scrypt-based L9 series.

Key Specifications by Model

General Specifications & Features

• Manufacturer: Bitmain

• Model: Antminer K7

• Version: 240-K

• Release Date: January 2023

• Algorithm: Eaglesong

• Supported Coin: Nervos Network (CKB)

Hardware & Environmental Requirements

Architecture Details

• Hash Chip Quantity: 276 chips

• Hash Board Quantity: 3 boards

Important Notes:

• Tolerances: Official specifications state actual hashrate fluctuates by ±3%, while the actual power on the wall and power efficiency fluctuate by ±5%.

• Power Supply: The power supply unit (PSU) is included with the miner. The adapted AC output power requirement is 3600W.

• Altitude Derating: When used at an altitude from 900m to 2000m, the highest operating temperature decreases by 1°C for every increase of 300m.

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Processing Time
Orders require 5–8 business days for processing (Monday–Friday, excluding public holidays). This period begins only after payment has been fully cleared. Weekends and holidays do not count toward processing time.

Delivery Estimates
Once processed, delivery to your country typically takes an additional 5–10 business days. Please note that all delivery estimates are approximate. We cannot guarantee exact transit times, and delays caused by carriers, customs, or weather are not eligible for refunds or compensation.

Customs, Duties, and Fees
You are responsible for any customs fees, import duties, taxes (e.g., VAT, GST), or brokerage charges levied by your country. If a shipment is seized, returned, or destroyed by customs due to non-payment of fees or restricted items, we cannot issue a refund.

DDP Shipping for USA Customers
For customers in the United States, Delivered Duty Paid (DDP) shipping is available upon request before checkout. Under DDP, we prepay all customs duties and taxes, so you owe nothing at delivery. A small additional fee applies. Please contact us via our website to request a quote.

Important Note on Delays
We do not offer refunds, discounts, or other compensation for shipping delays of any kind, including processing, carrier transit, or customs clearance. All timeframes are estimates. By placing an order, you confirm that you have read and accept our full Shipping Policy and Refund Policy.