I purchased these chips for a project that fell through, and rather than let them sit I thought I'd put them up to see if anyone wants to buy them. The rev 2 chips are faster and more power efficient than the original Bitfuries, but retain the same pinouts so they're drop-in replacements. I don't really feel like sitting and counting out chips though so I'm only selling them in two batches of 500 and one of 396.

Shipping will be from Sydney, Australia. Domestic postage is $10, international is $50 (I'll be taking a small hit at that price; don't blame me, I live on a huge island a billion miles from anywhere).

Using my Windows desktop as the controller. Power draw, good question - I don't have the tools to measure that. At a guess I'd say 0.7A@5V * 16 = 56W.

Dimensions are 40mm*65mm. With heat sinks attached they should be around 11mm thick, but definitely no more than 13mm.

Looks interesting, but I'm curious about the instructions on the label - what would happen in the event that the host PC was not shut down before the hub was powered off? Say in the event of a blackout? What happens if you turn on the hub before the PC, or turn it on without it being plugged in? What happens if you just leave it plugged in and switched on without being used? Can you share the testing process for the hubs?

Also, I'm a bit confused - does Razorfishsl have any involvement in this sale?

Edit: +1 for answers to the following:

Damn apollojmr, remind me to never piss you off! I really hope that information is accurate... if it is, the kid can't even come up with an original company name: https://www.google.com.au/search?q=vertice+robotics   

Except that you can't point your hashpower anywhere but ghash.io if you buy it off cex.io 

To everyone comparing USB miners to any other miner in terms of ROI, $/GH ratio, or whatever - stop. They will never yield more profit than if you had bought BTC with the money instead, and they will never offer the best $/GH ratio. Everyone knows this. You're not some kind of modern Aristotle for figuring it out as well. What USB miners offer is flexibility: unlike buying "cloud" hashing power you can mine whatever SHA-256 alt you like; unlike larger miners they don't cost multiple thousands of dollars and Watt-hours just to get started; and unlike straight up purchasing a given cryptocurrency you can buy them with a credit card or PayPal - none of this pfaffing around with exchanges.

If you consider yourself a "serious miner" and you've got hundreds or thousands of GH/s at your command, fantastic. I applaud your dedication and financial contribution to keeping the network secure. But don't you think that coming into merchant threads and moaning about how their products are too expensive for you is a bit beneath you? If you have the cash for a big miner, go spend 15k on 6TH/s from Spondoolies Tech and see how fast that ROIs (hint: it won't, not any more than any other miner will - including these).

Alright, rant over. Thanks for reading 

He PM'd me that info. I know that it's probably fake, but it's worth following up every lead we have. People do get sloppy. That phone number for example - at the point he gave it to me he was very likely expecting me to call and confirm, so it may be a number he or an associate of his had control of so he could allay my fears. Burner phone? Most likely. But someone answered it just an hour or so ago. Your high up government buddy would very likely have more success than me in pulling info on the number though  

Edit: He's also got a pretty extensive post history, it'd be worth seeing if he posts from a limited number of IPs and follow those up too.

That was my feeling as well, and why I ended up posting here cautioning people to ask questions before sending payment 

Not sure if this will help:






If he gave me his real contact info: what a dumbass. I did call the provided number, the man who picked up hesitated significantly when I asked if I could speak with Marco. Possible he simply took a few seconds to work out the name I said; also possible this is in fact the scammer's number and he panicked before saying "No, sorry, probably wrong number". Regardless I doubt Marco Astori is this guy's real name. PLEASE DON'T CALL THE NUMBER TO HARASS THE GUY UNTIL WE KNOW WHETHER IT'S THE OP. From some digging around it appears that it's a Vodafone number, I'm going to call their head office in about 11 hours and see if I can get a name associated with the account. If a mod happened to want to drop us the IPs from which this guy posted and registered, that could help too.

Oh, and Jefe: I didn't refrain from posting this earlier because I was scared of legal action. Your threat of such was utterly meaningless. I didn't post it on the off-chance you weren't a scammer. But now? Please, file an international lawsuit. I deserve it, for posting your "contact info". In no way would this provide me with all the information I need for everyone you ripped off here to find you and counter-sue to get their money back. Scout's honour.

He would keep stringing it along in the hopes of a few more people dropping off the fence and sending him money. After all, it doesn't cost him anything.

Great, go ahead and build your own and put this guy out of business! I mean you'll have to design the board, or pay licensing fees. Then buy PCB. And components. And heatsinks. And a pick and place machine. And a reflow oven. And write the firmware. And get support into bfgminer and cgminer. Don't forget to test! And of course if you want to sell them you'll have to set up a company, build a website, and pay all relevant taxes, not to mention getting the requisite certifications (we won't mention shipping and warehousing either). I imagine you'll also have to pay rent and eat and stuff while all this is going on, so I suppose you'll need a full time job until you can bring the units to market, which is going to necessitate 90+ hour weeks for 3-4 months at least, and of course there's always the risk that your miners just won't sell for whatever reason. But as you've already implied, that kind of risk and effort don't need to be compensated - the satisfaction of bringing mining equipment to the masses is reward enough, right?

Jefe has me on ignore, but he quoted me just over US$100 per unit for 277 units by PM. So he's either lying about the price here, or in PM. Fishier and fishier... Especially opening up a second group buy before even delivering on the first. Almost like he doesn't want people having time to get suspicious.

Still not officially calling scam, but the red flags are beginning to pile up.

Edit: The price he quoted me was for batch 1 units, so it was naturally higher than what he's quoting now. Further to the above he'll also have to pay VAT and duty on imports to the UK, which adds up to a solid 27%, so if he was offering units for as low as $100 and change in a bulk order and only breaking even he must be getting units for less than $85 apiece (cbf doing the exact maths) on an order of a few hundred units, while for batch 2 he claims they had to order over 1000 units to get a price close to $155? And if the cost price is close to $155 then how is he offering 400+ units for $75 apiece? Hmmm    I wonder if anyone can get Gridseed to respond to an enquiry about whether this guy has actually placed an order...

Well that's rude. But, if that's the way this guy operates, I'd rather not deal with him.

Mate, as I have said I am not posting any info here without clear evidence of scam OR your express permission. I am okay with it being too late for me to get in, and I appreciate the consideration you have offered in PM. But I was still uncertain after our conversation whether this is a real offer, so I felt obligated to post that here. I have offered you the opportunity to make me look like an idiot in public, and I hope you do, but I feel that everyone should be able to read the facts and decide for themselves. You have not run any group buys before so you don't really have a reputation to speak of, and several people have PM'd me with concerns about how many gambling posts there are in your history, asking what I've managed to find out.

I want to repeat, I AM NOT CALLING SCAM HERE. Yet. Nor have i violated anyone's privacy in any way, as no personal info has been or will be given out. I'm just giving people more information. I don't see why you would take it so personally, I thought I was quite clear that I want this group buy to succeed - because I want in on round two

Update time! I am hesitant to post names and phone numbers provided to me in a PM without clear evidence of a scam, so I will omit those. Because I was considering dropping a lot of money on this group buy I requested personal details to provide to my lawyer to draw up a contact with, protecting both parties. Jefe541 deemed this acceptable and provided me two addresses, one he claimed was his and one he claimed was his employer's. His address matches the Odeon Theatre in London, while his employer's address is in a residential area that, to be honest, has probably seen better days. The employer name he gave me was listed as dissolved on the UK government Companies House website, and the website he pointed me to for them a.) Does not have a company number listed and b.) Does not appear to be registered with the Companies House under their current trading name. After I asked for some proper verification I was told it's too late for me to get in on this group buy... But then I see he's extending the deadline by ten hours. Is it too late, or not? And if he needed the money up front, why is he pushing back the deadline? Either he can front the money, in which case escrow would have been fine and everyone who's gone in so far would have been protected, or he can't front the money in which case he's delayed the order by a day. Further to needing the money up front, he asked if I could pay any portion of my desired order up front (because I don't keep tens of thousands of dollars in BTC close at hand, it will take me a few days to gather that kind of coin).

I'm sure there are perfectly reasonable explanations for each one of these little red flags, but I would be remiss to not post what I've found out so far. Jefe, I know running a group buy is not easy, so if this is legit I apologise for doubting you. Please feel free to explain here and make me look like an idiot in public. I will be very happy if everyone who's ordered receives their units, and I encourage anyone who does to post here in order to build credibility for the next group buy he runs.

Cheers,

bitgtr

I'm currently in contact with the OP, working to verify he is who he says he is. Will update on progress.

Edit: I would very much like this to be legit. Jefe541 messaged that he was headed to bed at 1:20AM UK time, which is understandable; we will pick up our conversation in 6-8 hours and I will update further.

Some of you may have already seen that I've dropped the price of my Yellowjacket (Nanofury derivative) to US$45 in TheRealSteve's excellent StickMiner comparison thread. I believe that makes it the most cost-efficient Bitfury USB on the market. Happy hashing!

www.jonesgear.com has pretty good prices, and they have them in stock for immediate delivery. There is no "official" distributor as far as I'm aware, Bitmain will sell their devices to anyone with the money.

Hey Valkir! Maybe check out www.jonesgear.com, they're based in the US and have pretty good prices on S1s. Might save you some conversion fees since you can pay fiat.

I too approve of the company name. If you need a hand shifting from small scale to large scale production, drop me a line. I can save you from some of the pain and pratfalls that you'll inevitably encounter if you decide to go that route.