Model Blackminer L1 Mining Scrypt Algorithm with a maximum hashrate of 4.3Gh/s for a power consumption of 3450W. 1 year extended Vipera warranty included. Please note this model is also branded as the Bluestar L1 (white-labelled for other resellers). Ships in 7 days. All sales final. No cancellations or returns. For bulk inquiries, please speak to a live chat agent or call our toll-free number.