How good S5 with underclock ?
Ex can it work 800GH with only 300 watt ?
Thanks...
Ex can it work 800GH with only 300 watt ?
Thanks...
it could if you had a 300W 10.5V (approx) power supply
Topic: An Antminer S5 review by klondike_bar; the loud, affordable miner - page 2. (Read 12642 times)
January 19, 2015, 12:18:44 AM
it could if you had a 300W 10.5V (approx) power supply
January 17, 2015, 04:25:25 PM
How good S5 with underclock ?
Ex can it work 800GH with only 300 watt ?
Thanks...
Ex can it work 800GH with only 300 watt ?
Thanks...
January 07, 2015, 06:58:26 PM
Thank you yes the voltage settings is what i am looking at they run pretty decent
My psu's are 1 antec 1200 quattro which does not even get warm at all on cables or casing even at full speed of the sp20's
The other psu's i own are a recom 1600 watt which does get handwarm at cables and casing
I am wondering which miner is more efficient the s5 or the sp20, noise wise i think the sp20 is better after i heard the s5 run over a skype call
My psu's are 1 antec 1200 quattro which does not even get warm at all on cables or casing even at full speed of the sp20's
The other psu's i own are a recom 1600 watt which does get handwarm at cables and casing
I am wondering which miner is more efficient the s5 or the sp20, noise wise i think the sp20 is better after i heard the s5 run over a skype call
January 07, 2015, 12:00:06 PM
Can you post the settings you use for the sp20 so i can compare and measure power on the wall.
I am in the eu, with 220-240 volt. I think we get a slightly higher effiency on the psu's
Was hoping bitmaintech start selling a 4 boards type like the c1, that would be very good for home miners
Even without a slight overclock they would be a great solution to avoid noise and would give me the ability to place it inside the house.
Luckily i have now 3 phase 35 amps so can feed more machines than i can afford
I am in the eu, with 220-240 volt. I think we get a slightly higher effiency on the psu's
Was hoping bitmaintech start selling a 4 boards type like the c1, that would be very good for home miners
Even without a slight overclock they would be a great solution to avoid noise and would give me the ability to place it inside the house.
Luckily i have now 3 phase 35 amps so can feed more machines than i can afford
I sold the SP20 units, and dont have a killawatt. My estimates are based on wire/PSU temp (the CS650M gets quite warm over 580W, and very hot in spots at 600W+, same for the PCIe cables which get barely warm at a ~300W draw each), and the DC12V draw readings of the SP20.
for the SP20 my settings were similar to most people getting 1.15-1.3TH from the device at low fan speeds. As i recall;
start: 0.635 max: 0.655 wattage: 155 fan: 10% (cold air at inlet)
running like this said 150W draw per PCIe (so presumably 600W 12VDC)
January 07, 2015, 10:20:56 AM
Can you post the settings you use for the sp20 so i can compare and measure power on the wall.
I am in the eu, with 220-240 volt. I think we get a slightly higher effiency on the psu's
Was hoping bitmaintech start selling a 4 boards type like the c1, that would be very good for home miners
Even without a slight overclock they would be a great solution to avoid noise and would give me the ability to place it inside the house.
Luckily i have now 3 phase 35 amps so can feed more machines than i can afford
I am in the eu, with 220-240 volt. I think we get a slightly higher effiency on the psu's
Was hoping bitmaintech start selling a 4 boards type like the c1, that would be very good for home miners
Even without a slight overclock they would be a great solution to avoid noise and would give me the ability to place it inside the house.
Luckily i have now 3 phase 35 amps so can feed more machines than i can afford
December 31, 2014, 04:03:09 PM
Im measuring at the PSU, not at the wall. and by measure, I only know what the SP20 tells me (i set it to 150W/cable) and whether the PSU trips (612.5W 12V rail, seems to trip at 625W+). Right now the SP20 is at 10% fan, 18/52/47 temps, and 1.195TH. noise is about the same as my S5 at 5V fan power, 56/62 temps, and 1.23TH
update: pushed the Sp20 to 8% fan and 155W per connector. PSU seems steady so far and volume is about the same as the S5. 50/55C exhaust on it with 1.21TH. Both peices of hardware are excellent and capable of similar specs when running at 1.2TH
update: pushed the Sp20 to 8% fan and 155W per connector. PSU seems steady so far and volume is about the same as the S5. 50/55C exhaust on it with 1.21TH. Both peices of hardware are excellent and capable of similar specs when running at 1.2TH
I'm going to tune both S5 and SP20 to 700 watts each, and see what performance they get.
December 31, 2014, 03:22:12 PM
Im measuring at the PSU, not at the wall. and by measure, I only know what the SP20 tells me (i set it to 150W/cable) and whether the PSU trips (612.5W 12V rail, seems to trip at 625W+). Right now the SP20 is at 10% fan, 18/52/47 temps, and 1.195TH. noise is about the same as my S5 at 5V fan power, 56/62 temps, and 1.23TH
update: pushed the Sp20 to 8% fan and 155W per connector. PSU seems steady so far and volume is about the same as the S5. 50/55C exhaust on it with 1.21TH. Both peices of hardware are excellent and capable of similar specs when running at 1.2TH
update: pushed the Sp20 to 8% fan and 155W per connector. PSU seems steady so far and volume is about the same as the S5. 50/55C exhaust on it with 1.21TH. Both peices of hardware are excellent and capable of similar specs when running at 1.2TH
I'm going to tune both S5 and SP20 to 700 watts each, and see what performance they get.
December 31, 2014, 02:23:34 PM
The SP20 is about the same volume at ~10% fan speed and can drive about 1.25TH/600W in the same ambient settings.
I dont have a killawatt
I dont have a killawatt
I haven't seen anyone get the SP20 that good. It's more like 650-700 watts for 1.2 TH/s.
Im measuring at the PSU, not at the wall. and by measure, I only know what the SP20 tells me (i set it to 150W/cable) and whether the PSU trips (612.5W 12V rail, seems to trip at 625W+). Right now the SP20 is at 10% fan, 18/52/47 temps, and 1.195TH. noise is about the same as my S5 at 5V fan power, 56/62 temps, and 1.23TH
update: pushed the Sp20 to 8% fan and 155W per connector. PSU seems steady so far and volume is about the same as the S5. 50/55C exhaust on it with 1.21TH. Both peices of hardware are excellent and capable of similar specs when running at 1.2TH
December 31, 2014, 02:18:28 PM
The SP20 is about the same volume at ~10% fan speed and can drive about 1.25TH/600W in the same ambient settings.
I dont have a killawatt
I dont have a killawatt
I haven't seen anyone get the SP20 that good. It's more like 650-700 watts for 1.2 TH/s.
December 31, 2014, 02:11:12 PM
The S5 can be very managable if the fan is driven at 5V, and can still push 1.2TH at about 600W. This causes temperatures around 56-62C, with 5C intake air and a makeshift top shroud of packing tape.
The SP20 is about the same volume at ~10% fan speed and can drive about 1.25TH/600W in the same ambient settings.
I dont have a killawatt, but I know neither is tripping my CS650M GOLD supplies (they trip at about 625W+ on 12V) (The S5 tripped it at 400MHz, or about 640W)
If I had to choose a winner, it would be the SP20. But with pricing considered they are about equal - I think bitmain could revisit the drawing board and come back with a quieter model that has a top shroud and is a cheaper than the SP20
The SP20 is about the same volume at ~10% fan speed and can drive about 1.25TH/600W in the same ambient settings.
I dont have a killawatt, but I know neither is tripping my CS650M GOLD supplies (they trip at about 625W+ on 12V) (The S5 tripped it at 400MHz, or about 640W)
If I had to choose a winner, it would be the SP20. But with pricing considered they are about equal - I think bitmain could revisit the drawing board and come back with a quieter model that has a top shroud and is a cheaper than the SP20
December 30, 2014, 08:57:25 PM
swapped in an S1 fan, driven at 7V only. At this power the unit is a reasonable volume for home mining, but at 350MHz or 363.5Mhz requires some cool air intake to keep below 65C. at room temperature it would probably be at about 325MHz to maintain less than 65C
December 30, 2014, 08:11:05 PM
This unit can overclock, but needs some cool air.
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
Do you have a kill-a-watt meter? If so, what is the power draw at the wall at these different settings?
This is far more linear then the sp20 is.. about .49 to .51 from freq 225 to 356.
I was wondering when it got to 400-412.5 what it was pulling at the wall where it would probably be not so linear at the peak.
December 30, 2014, 08:09:39 PM
This unit can overclock, but needs some cool air.
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
Do you have a kill-a-watt meter? If so, what is the power draw at the wall at these different settings?
This is far more linear then the sp20 is.. about .49 to .51 from freq 225 to 356.
I was wondering when it got to 400-412.5 what it was pulling at the wall where it would probably be not so linear at the peak.
December 30, 2014, 08:07:11 PM
This unit can overclock, but needs some cool air.
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
Do you have a kill-a-watt meter? If so, what is the power draw at the wall at these different settings?
This is far more linear then the sp20 is.. about .49 to .51 from freq 225 to 356.
December 30, 2014, 08:04:10 PM
This unit can overclock, but needs some cool air.
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
Do you have a kill-a-watt meter? If so, what is the power draw at the wall at these different settings?
December 30, 2014, 07:57:30 PM
This unit can overclock, but needs some cool air.
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
Do you have a kill-a-watt meter? If so, what is the power draw at the wall at these different settings?
December 30, 2014, 07:42:49 PM
This unit can overclock, but needs some cool air.
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
-5C intake air, 412.5MHz, 53-56C temps, 1.32TH (1.35Th expected). Any higher than 412.5MHz seems to result in losing hashrate, even if temperatures are kept under 56C
-5C intake air, 400MHz, 51-54C temps, 1.32TH (1.35Th expected).
17C intake air, 400MHz, 61-65C temps, 1.32TH (1.33Th expected). almost no HW errors at this temperature.
This is with the stock fan connected to a 7V power, no PWM. Its about 3000RPM approx.
My next step will be to swap in an S1 fan at 7V (about 2/3 the airflow) and see what happens. Should be very manageable volume, but to keep temeratures under 65C it will need either a cold intake at 400MHz or warm intake at stock 350MHz
December 30, 2014, 06:43:01 PM
If the heatsink is the same (looks like), just have to get some hash boards and controllers... 
It kind of looks like the controller board can run 4 blades, which would make a <$700 4blade/controller/BBB package very attractive for existing S1 owners. December 30, 2014, 06:32:16 PM
If the heatsink is the same (looks like), just have to get some hash boards and controllers...
It kind of looks like the controller board can run 4 blades, which would make a <$700 4blade/controller/BBB package very attractive for existing S1 owners.Like a C2 would probably need?
December 30, 2014, 06:26:43 PM
If the heatsink is the same (looks like), just have to get some hash boards and controllers...
It kind of looks like the controller board can run 4 blades, which would make a <$700 4blade/controller/BBB package very attractive for existing S1 owners. Jump to: