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Topic: 6x Sapphire R7 240s ... why not? 635k/hash for under 250w - upcoming BBT Episode (Read 975 times)

full member
Activity: 208
Merit: 117
Will you also be trying Nvidia Maxwell cards in the future?

We ordered 6x of the new nVidia 750Ti's .... Wink Early march episode
hero member
Activity: 630
Merit: 502
Will you also be trying Nvidia Maxwell cards in the future?
full member
Activity: 208
Merit: 117
So for an upcoming BBT (Bits Be Trippin) Episode we decided to check out some R7's and see what they could do. These sapphires can be picked up for 35-40 bucks on ebay... for folks with limited power and want to hedge on some doge or other alt coins might be a cheap solution to enter the game.

Machine Build:

MB: ASROCK H81 Pro BTC (57.99) ~ at microcenter if in stock, otherwise 150+ on ebay
CPU: Intel G3220 Haswell (49.99)
MEM: (1) 4gb Cosair Ballistix 1600mhz (37.00)
HD: PNY 120gb SSD (Microcenter for 39.99 after rebate)
Risers: 5x 1x to 16x (any work, happened to get 5 of them for 40 bucks on the bay)
PSU: Corsair CX600 (39.99 microcenter deal)
GPU: Sapphire R7 240's (35 each on ebay) ... OC'd to 950/1000

Total system AC via Killawatt - 248w from wall

Bottom line: 635k/h @ 140w (just cards) for 35x6 = 210 bucks





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