new to mining and want to buy this mining rig what are your toughts about it !

[wise_turtle]

first of all hi everyone , so i wanted to start mining to change from trading and try something new but being on a low budget 450eur i could'n find a good offer until i came across this offer tell me wht you thing about it : motherboard : 6port PCI express  msi Z170 A pro processor celeron
                         
                             4GB ram module

                            gpu : 2 R9 280x + 2 AMD Radeon HD 7950 +HD 797

no alimentation nor SSD and all that for 500 USD what do you think ?
             
                           
                         









                                           

[1715156514]

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[1715156514]

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[1715156514]

1715156514

[QuintLeo]

Given current pricing on the GPUs, that's not a bad price.

 Not going to make you a ton though unless you have VERY cheap or free electric, as they're all older power-hungry GPUs.

 What is an "alimentation" in a computer context?

[Gambit_fr]

What is an "alimentation" in a computer context?

Alimentation = PSU

[Sausiam]

first of all hi everyone , so i wanted to start mining to change from trading and try something new but being on a low budget 450eur i could'n find a good offer until i came across this offer tell me wht you thing about it : motherboard : 6port PCI express  msi Z170 A pro processor celeron
                         
                             4GB ram module

                            gpu : 2 R9 280x + 2 AMD Radeon HD 7950 +HD 797

no alimentation nor SSD and all that for 500 USD what do you think ?
             
                
                                                    

That is quite good price. It is almost $100 for the 280X.

[wise_turtle]

yes quite a good price that would get me a 80mhs on ethereum i think

[mrbard]

buy it!
looks like a great price and a pretty decent setup at its cost.

[QuintLeo]

yes quite a good price that would get me a 80mhs on ethereum i think

 Hard to tell since you didn't list the full model number of the 5'th card (I am presuming it's a 7970 and you just cut off the final zero).

 I'd acually guess closer to 70 MH/s on ETH - but the 280x 7950 and 7970 are better at ZEC mining than ETH.

 You're going to need a SERIOUSLY beefy power supply, or a PAIR of mid-range supplies to power that beast.
 R9 280x from personal experience is a 200-250 watt card on ETH, you can tweak it for somewhat less on ZEC - the HD 7970 is the same GPU as the R9 280x with a bios update and slightly slower ram and it going to eat about the same amount of power, the HD 7950 wasn't a BIG step down from the HD 7950 (equates to the R9 280) so still looking at 150-200 watt ballpark on ETH.

 For a single supply running ETH I wouldn't look at anything less than an EVGA G2 1600. The "split" power supply should probably be the pair of R9 280x and the motherboard on a single 850+ watt, and the other 3 GPUs on another one.
 Might get away with a 750 for the first PS but definitely NOT on the second one, and you might want to go with a 1000 for the second one.

[wise_turtle]

yes my bad it's a 7970 and  it's 4 card not 5 2 R9 280 and 1 HD 7950 + 1 HD 7970 , and like you said it it' better for the ZEC and that's what i will go for 1250 sol i think is what they can do , and or the power supply can i go with SeaSonic 1200W ATX12V/EPS12V 80 Plus to run everything ? it's 400 W less than the EVGA G2 but cheaper 

[QuintLeo]

yes my bad it's a 7970 and  it's 4 card not 5 2 R9 280 and 1 HD 7950 + 1 HD 7970 , and like you said it it' better for the ZEC and that's what i will go for 1250 sol i think is what they can do , and or the power supply can i go with SeaSonic 1200W ATX12V/EPS12V 80 Plus to run everything ? it's 400 W less than the EVGA G2 but cheaper 

 4 cards should be no issue, presuming that's the Snow Silent Seasonic 1200 watt platinum model (I'm not familier with any other 1200 watt Seasonic model offhand).
 I have some of their X-1250 Gold models I've used for years, good supplies, but I don't trust that "fancy name" sleeve bearing thing they put in their newer "Prime" models.
 I've also got a BUNCH of their X-850 and a few of the SS-860 models in my 3-card rigs.

[Johny101010]

first of all hi everyone , so i wanted to start mining to change from trading and try something new but being on a low budget 450eur i could'n find a good offer until i came across this offer tell me wht you thing about it : motherboard : 6port PCI express  msi Z170 A pro processor celeron
                         
                             4GB ram module

                            gpu : 2 R9 280x + 2 AMD Radeon HD 7950 +HD 797

no alimentation nor SSD and all that for 500 USD what do you think ?
             
                           
                         









                                           

Just be careful and check your electric cost. Anything above $.12 will kill alot of your profits. Those 280x/7970 are very power hungry.

[wise_turtle]

i've heard that the r9 280 can go up to 800 khs is that true ?

[QuintLeo]

i've heard that the r9 280 can go up to 800 khs is that true ?

 On which algo?

[wise_turtle]

equihash

[Undefined31415]

equihash

No, the R9 280 (or 280x, for that matter) will not get 800 kH/s on Equihash.

For perspective, a 2GB HD 7850 can get around 150-160 H/s on Equihash. A 3GB GTX 1060 can get around 280-300 H/s.

I'm not aware of a current single GPU that exceeds 1 kH/s on this algorithm.

[wise_turtle]

i'm not sure if equihahs is the algo cause i saw this a month ago in some topic here

[QuintLeo]

Fastest equihash (ZCash and clones) card at this point is the 1080ti - a highly overclocked one might exceed 800 HASH/s but not by a lot.
 R9 280x is more like 300-350 hash/sec.

 800khash/sec would be a SCRYPT (Litecoin/Doge/etc) hashrate ballpark figure for the R9 280x.

[bravetheheat]

The price is not so good I think, since the video cards are old model and I think it has been used for about 12 month I guess. In general, a video card can mine for about 24 month, if the card are mined more than 12 month, you can use it for about 1 year, and then you will sell it for the second hand.

My suggestion is that I will always buy the latest card to build my rig. Don't buy second hand, unless you know how long time it was used.

[ntsdm1]

if all the components are is good working condition then the price is a fair one.
 you could buy it for resale  to the gaming players looking for a mid level gaming box.
and you could make a few bucks

[wise_turtle]

yes nice idea to resell after use

[Sausiam]

yes nice idea to resell after use

I only sell after it is not efficient to mine. Otherwise, I will keep it.