• Connection: Ethernet 10/100Mbps
• Support: Antminer S9 S9I S9J R4 T9 (Not T9+) 
• 4X Fan Connector
• The control board are reload the firmware which support 6 hash board and 4 fan.
• Only reload firmware cannot kill some virus and we know that some board are sold with very low price but malicious virus are installed to steal hash power .
• Upgrade the firmware with the latest Antminer LPM firmware before shipping.
• 6X HASH Board Connector
• We can provide solution to recover infected control board

• Package included :
• 1x Modified Antminer S9 Contronner Board

Warranty:

• We provide 3 months warranty for connector board.
• Each party responds their mailing cost.
• This item does not accept return.

Shipping:

• Once your payment has been cleared, we will send the item within 1 to 2 business days.
• We send the item via e-Express, delivery lead time for is 4 to 10 working days, but the lead time is not guaranteed, it may take longer depending on postal service and custom checking.
  If the buyer does not get the item more than 28 days, we will refund or resend the item. All items are sent from Hong Kong

Payment and Refund:

• It is the Buyers obligation if the item is liable for Custom Duties
• I accept PayPal. Buyer should contact the seller and get compromise before return Products must be returned in reasonable condition within 30 days of purchase.
• Shipping and handling fees are non refundable.