The ModMiner Quad is a highly efficient FPGA Based Bitcoin Mining Device.
Which can be purchased from
http://www.btcfpga.com We accept Bitcoin, Dwolla, and any major credit/debit card
It features up to 4 Spartan-6 LX150 FPGA Chips that are Capable of doing 210Mhash each at 10 watts
For a total Unit Speed & Efficiency of 840mhash @ only 40 watts
Compatible with Bitcoin Mining Software BFGMiner and Modular Python Bitcoin Miner (MPBM)
Windows, Linux, Mac OS, or Raspberry PI
Fast Shipping Time compared to competitors normal delivery takes place in 2-4 weeks
ASIC Trade-up Program coming soon!
Features:
4x Spartan 6's 800+mhash @ ~ 40 watts
USB interface for configuration and communication
72MHz ARM Cortex M3 for USB interface
Our own custom Firmware
Super easy Firmware updating for the ARM chip
Temp sensor on each FPGA card
Heatsink w/ cooling fan on every card
4x 3-pin headers to power standard fans
Draws from the 12V supply with 5A fuse at the Molex connector
LEDs to indicate that the FPGAs are configured properly
Modular design for seamless FPGA upgrades and repair
Wiki Pages:
http://wiki.btcfpga.com/index.php?title=ModMiner_Quad_Setup_Instructionshttp://wiki.btcfpga.com/index.php?title=Setup_Instructionshttp://wiki.btcfpga.com/index.php?title=Windows_Setup_Instructionshttp://wiki.btcfpga.com/index.php?title=64x_Windows_Drivershttp://wiki.btcfpga.com/index.php?title=Softwarehttp://wiki.btcfpga.com/index.php?title=Firmwarethis is a little more info on what they actuly are make offer im not to sure what there worth nowadays last time i saw on sold was like 8 or so months ago for like 200 or so i think ppl are more buying them for the spartans chips then anything i can say one of them will more then likley need a fan or a good cleaning /oiling
edit shippuinh from 29483 zip code so you know for shipping its light and would probly fit in small flat rate box but i will stop on get one just to make sure