I have one of this PSU http://www.parallelminer.com/product/2400-watt-power-supply-kit-for-gpu-mining-94-efficiency-200-240v-ethereum-eth-zec-dash/

Nice!

I ordered two GPU tiers and two frame a few days ago, please include one connector for me, thanks!

With the optional GPU tier, is the two PSU version frame still stackable? If yes, I think I need to buy an extra connector for stacking, right?

I'm selling two EVGA GTX 1060 GPUs on eBay,

http://www.ebay.com/itm/172771823876

http://www.ebay.com/itm/172771727482

Welcome to bid!

What's the wattage of you PSU? I think the reason is that your PSU has insufficient power because I had the same issue 3 weeks ago.

Any updates about the 12 GPU frame for Biostar TB250-BTC Pro ?

Finally I find the answer: Use less than 3  risers per SATA cable

If you chain over 3 rises on one SATA cable, the SATA cable may have insufficient power for these risers.

Got it, thanks!

Got it, I'll keep an eye on this thread

In this page http://www.biostar.com.tw/app/en/event/crypto_mining/page6.htm there is a motherboard named "TB250-BTC+" which supports 8 GPU.

Where can I get this mobo? Anyone tested it?

Any updates?

Hi Rich, I'm interested in this open frame, when will you be able to produce it?

Only a video is a real proof, so many days passed but there is still no video, so it is  SCAM for sure !

I also have issues with my rx 580 with asus z270-a mobo, described here https://bitcointalk.org/index.php?topic=1961377 , will try this solution later

Got it, thanks!

My rig's symptoms are as follows:

1. If two RX 580 plugged directly on MOBO, works fine under Claymore ETH+SIA dual mode
2. If one RX 580 plugged via USB PCIe riser, works fine under Claymore ETH+SIA dual mode
3. If two RX 580 plugged via USB PCIe risers, works fine under Claymore ETH single mode
4. If two RX 580 plugged via USB PCIe risers,  reboots after a few seconds under Claymore ETH+SIA dual mode
5. If three RX 580 plugged via USB PCIe risers, reboots after a few seconds under Claymore ETH single mode

In conclusion, only one card with dual mode or two cards with ETH single mode will work, other situations never work.

I even tried SimpleminingOS, still no luck, if two RX 580 are plugged via USB PCIe risers, after I launch Claymore, it will only run for a few seconds then the screen goes black and reboot immediately.

My hardware specs:

PSU: LEPA G1600-MA 1600W
VGA: XFX RX 580
VGA Driver: Crimson ReLive Edition 17.6.1
MOBO: Asus PRIME Z270-A
MOBO BIOS VERSION: PRIME Z270-A BIOS 0906
CPU:  Intel Celeron G3900
HDD: Sandisk SDSA6PM-064G 64G m.2 SSD
RAM: Crucial CT4G4DFS8213 4GB 288-Pin DDR4
USB PCIe Riser: VER006C
Case: Rosewill L4500


My bios settings: 4G decoding on

I think the issue is not about the PSU, because my PSU is 1600W, which is enough for two cards.

Also, If all seven Rx 580 are plugged via risers, Windows 10 can recognize seven cards, but claymore still runs for a few seconds then reboot immediately.

Besides RSV-L4500, is this drop-in bracket suitable for Rosewill RSV-L4000 case? Anyone tested it ?

@yun9999 what kind of 42u server rack cabinet are you using ? Is it this one  StarTech.com Open Frame Server Rack Cabinet 4POSTRACK42 https://www.amazon.com/dp/B00HVKOPBW/ ?

Thanks!

@spotswood is it possible to hold 8 GPUs in Rosewill L4500 case ?