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BlackMiner F1+ Review – FPGA Miner

ByCiprian V.

Sep 5, 2019 #fpga miner

Note: Hashaltcoin sent me this FPGA miner for me to review. While I truly appreciate this partnership, I am making this review as unbiased as possible.

The BlackMiner F1+ is a new FPGA miner developed and manufactured by Hashaltcoin. The unit comes with three boards and can mine a wide array of algorithms, most of which are traditionally considered GPU-only.

The official specs state that the F1+ hashes like three or even four x6 GTX 1080Ti rigs (depends on algorithm) while having the power consumption of one. Not only that – unlike three rigs that require three sets of components (motherboards, RAM modules, etc), as well as in-depth tweaking, the F1+ comes as one plug-and-play unit. Is this too good to be true?

Let’s find that out, though first let’s take a quick look at the numbers:

BlackMiner F1+ Specs

  • Power on wall: < 1.3 KW
  • Power Supply: 1300 W or more (I am using my F1+ with a 1650W PSU)
  • Volume?430x290x40 mm (with package)
  • Weight?5 kg (net), 6 kg (with package)
  • Noise Level: ~70 Db

Supported Algos, Hashrates and Power Draw:*

Algorithm Hashrate Power Draw
lyra2z: 93.0 MH/s 600w – 950w
skeincoin: 7.56 GH/s 630w
xvg_lyra2rev2: 324.0 MH/s 550w
phi2: 77.5 MH/s 600w
phi1612: 470.0 MH/s 800w
tribus: 4.4 GH/s 880w
nexus: 3.87 GH/s 800w
bcx: 26.0 GH/s 720w
0xbtc: 35.2 GH/s 1000w
keccak: 34.9 GH/s 1050w
xdag: 22.6 GH/s 900w
zp: 35.2 GH/s 1050w
verus: 100.8 GH/s 900w
keccakc: 34.9 GH/s 1050w
keccakd: 34.9 GH/s 1050w
amoveo: 82.6 GH/s 1050w
sha3d: 13.6 GH/s 1000w

(*) Note: The F1+ is compatible with all of the algorithms for the F1 miner (download them from here). To use a F1 algorithm on your F1+, follow the steps detailed in the manufacturer official guide. Updating the bitstream on your miner is straightforward and fast – it takes around 3 minutes per algorithm. The three main steps are to download the algorithm, then flash the device and finally wait about 2 minutes for the miner to reboot.

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Unboxing BlackMiner F1+ FPGA Miner

The unit came well-packaged, already assembled and ready to be used. The miner comes in an aluminum casing and looks (and feels) pretty similar to an Antminer. I haven’t noticed any flaws such as loose parts, scratches or signs of usage. From the exterior, the miner looks very decent – it’s rugged and well-designed.

BlackMiner F1+ Unboxing 1BlackMiner F1+ Unboxing 1
BlackMiner F1+ Unboxing 2BlackMiner F1+ Unboxing 2
BlackMiner F1+ Unboxing 3BlackMiner F1+ Unboxing 3
BlackMiner F1+ Unboxing 4BlackMiner F1+ Unboxing 4
BlackMiner F1+ Unboxing 5 hashboard cablesBlackMiner F1+ Unboxing 5 hashboard cables
BlackMiner F1+ Unboxing 6BlackMiner F1+ Unboxing 6
BlackMiner F1+ Unboxing 7BlackMiner F1+ Unboxing 7
BlackMiner F1+ Unboxing 8BlackMiner F1+ Unboxing 8
BlackMiner F1+ Unboxing 9 EthernetBlackMiner F1+ Unboxing 9 Ethernet
BlackMiner F1+ Unboxing 10 HashBoardsBlackMiner F1+ Unboxing 10 HashBoards
BlackMiner F1+ Unboxing 11 ControllerBlackMiner F1+ Unboxing 11 Controller
BlackMiner F1+ Unboxing 12 FanBlackMiner F1+ Unboxing 12 Fan

Keep in mind that the F1+ does not come with a PSU. I use a regular 1600W EVGA one to power it. I believe that using a beefy PSU might increase stability and even power efficiency of the unit but I also understand why some of you might call it overkill. The manufacturer recommends 1300W PSU.

BlackMiner F1+ FPGA Installation

The installation process is pretty straightforward and simple.

1 PSU Connection

We start by connecting 2x 6-pin cables to each of the 3 boards and 1x 6pin cable to the controller.

BlackMiner F1+ PSU installationBlackMiner F1+ PSU installation
BlackMiner F1+ PSU installation Hashboard 6pin connection 1BlackMiner F1+ PSU installation Hashboard 6pin connection 1
BlackMiner F1+ PSU installation Hashboard 6pin connection 2BlackMiner F1+ PSU installation Hashboard 6pin connection 2
BlackMiner F1+ PSU installation Hashboard 6pin connection 3BlackMiner F1+ PSU installation Hashboard 6pin connection 3
BlackMiner F1+ PSU installation Controller 6pin connectionBlackMiner F1+ PSU installation Controller 6pin connection
BlackMiner F1+ PSU installation 2BlackMiner F1+ PSU installation 2

Use a piece of cable to connect the green (PWR_On) and the black (Ground) pins together to simulate that the PSU is connected to a motherboard.

  • Note: Some models (especially the older ones) might use a different color for PWR_On. Make sure to check the pinout of your PSU.
  • Note #2: Some EVGA PSUs have a dedicated switch to power the PSU on without load. You might use it if your PSU has it.
PSU 24 Pin paperclip gree blackPSU 24 Pin paperclip gree black
evga 24 pin power adapter connectedevga 24 pin power adapter connected
2 Internet Connection

After that, we connect the ethernet cable and launch the F1+ unit. Then, we log into our router (either via wifi or ethernet) and check the LAN IP of the miner. By default, the address is 192.168.100.36 so you might also try that before you use your admin login credentials.

Once we accessed our F1+, we use the username root and password root

It’s a good idea to go to the password administration page and change it. To get there, go to the following tab: Miner Configuration -> Administration

BlackMiner F1+ FPGA Internet Connection 1BlackMiner F1+ FPGA Internet Connection 1
BlackMiner F1+ FPGA Internet Connection 1BlackMiner F1+ FPGA Internet Connection 1
BlackMiner F1+ FPGA Router IPBlackMiner F1+ FPGA Router IP
BlackMiner F1+ FPGA Change PasswordBlackMiner F1+ FPGA Change Password
3 Miner Configuration and Start Mining

We’re almost there. To start mining, go to the following tab: Miner Status -> General Settings

There we can set up to three pools with the respective worker name and password. Personally, I like to stick to the same pool and only change the server location. As you can see on the screenshot, I am using the bsod pool in all the three fields, with the only change being the location of the pool (Asia, Us or EU).

Finally, press on ‘save’ and ‘apply’. The miner will start working almost instantly.

BlackMiner F1+ FPGA Miner ConfigurationBlackMiner F1+ FPGA Miner Configuration
BlackMiner F1+ FPGA Miner StatsBlackMiner F1+ FPGA Miner Stats
4 Installing New Algorithms / Bitstreams

To install new bitstreams is super easy. New updates can be downloaded from their official page https://hashaltcoin.zendesk.com/hc/en-us/sections/360002467791-Firmware

  • Download the algo you need
  • Login to F1+ administration page
  • Go to “system” -> “upgrade“
  • Before doing any new modifications i recommend to create a backup for the current version. To do that click “Generate archive” and download it!
  • To flash new bitstream click on “Choose File” under “Flash new firmware image” -> select the image and then click on “Flash image“
  • This will take 2-3 minutes to finish the installation, once the installation is complete it will restart the FPGA to finish the setup
  • When boot up is complete go to “Miner Configuration” and the new algo should be visible in the drop down menu from top left.
  • You can now setup the pool, wallet address then save & apply and the machine will start mining.
BlackMiner F1+ Upgrade Bitstream PageBlackMiner F1+ Upgrade Bitstream Page
BlackMiner F1+ Saving BackupBlackMiner F1+ Saving Backup
BlackMiner F1+ Flashing New Bitstream Image AlgorithmBlackMiner F1+ Flashing New Bitstream Image Algorithm
BlackMiner F1+ Uploading Bitstream ImageBlackMiner F1+ Uploading Bitstream Image
BlackMiner F1+ Reboot flashing imageBlackMiner F1+ Reboot flashing image
BlackMiner F1+ Algo ListBlackMiner F1+ Algo List
5 Uninstalling Algorithms / Bitstreams

The Miner can have loaded up to 7-8 bitstreams (algorithms) at the same time. The memory of the miner is limited, so if you ever get to that limit, you will have to uninstall one of the bitstreams it already has before you can install another one. You know you have reached the 8 algo storage limit when you get this error when loading a new algo to your miner: “No space left on device cp: can’t create ‘/fpgabit/cgminer_keccakd.conf’: No space left on device” I will detail below how to remove existed bit file if storage is full

  • Download WINSCP, install and then run it: https://winscp.net/eng/download.php
  • New connection popup will be prompted and for “Host Name” add F1+’s ip address like “192.168.100.36” ; “Username” is “root” ; “Password” if you didn’t changed the default one then is the same “root“, last thing is to choose “SCP” on “File Protocol” then click “Login” (note that you must be connected to the same network where F1+ is)
  • Once logged in you will notice that both sides are blank (check images); double click the “up folder” from right side for two times to have all the files listed, then go to “fpgabit” folder and there you will have all algos
  • To successfuly delete an algo you will have to do the following: for this example i am going to take the PHI2 algo ; there are two files that needs to be deleted ; prefer to make a backup and then delete it ; select both files “cgminer_phi2.conf” and “fpgaminer_top_phi2.bit” ; right click -> Download -> Download and Delete
  • That’s it, now you should have enough space to install new bitstreams
WinSCP BlackMiner F1+ ConnectionWinSCP BlackMiner F1+ Connection
WinSCP BlackMiner F1+ Connection 2WinSCP BlackMiner F1+ Connection 2
WinSCP BlackMiner F1+ Connection 3WinSCP BlackMiner F1+ Connection 3
WinSCP BlackMiner F1+ Up Folder 1WinSCP BlackMiner F1+ Up Folder 1
WinSCP BlackMiner F1+ Up Folder 2WinSCP BlackMiner F1+ Up Folder 2
WinSCP BlackMiner F1+ fpgabit folderWinSCP BlackMiner F1+ fpgabit folder
WinSCP BlackMiner F1+ deleting bitstream algorithmWinSCP BlackMiner F1+ deleting bitstream algorithm

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Blackminer F1+ Benchmarks
Lyra2z Mining Hashrate & Power Draw

Lyra2z Coins: Actinium (ACM), Mano (MANO), Alspenschilling (ALPS), Criptoreal (CRS), Infinex (IFX), MCT+ (MCT), Stim Coin (STM), Taler (TLR), ZCore (ZCR), GINcoin (GIN) forked to x16rt

  • Hashrate: 93 Mh/s
  • Power Draw: 880w
BlackMiner F1+ FPGA infinex IFX Lyra2z Mining HashrateBlackMiner F1+ FPGA infinex IFX Lyra2z Mining Hashrate
BlackMiner F1+ FPGA Lyra2z Mining Power DrawBlackMiner F1+ FPGA Lyra2z Mining Power Draw
BlackMiner F1+ FPGA Lyra2z Infinex Pool MiningBlackMiner F1+ FPGA Lyra2z Infinex Pool Mining
Skein Mining Hashrate & Power Draw

Skein Coins: Skeincoin (SKC), Argo (ARGO), Ferrum Coin (FRM), Spedo (SPO), TIMECoin (TIMEC), Ultima (ULT)

  • Hashrate: 7.56 Gh/s
  • Power Draw: 625w
BlackMiner F1+ FPGA Skeincoin SKC Mining HashrateBlackMiner F1+ FPGA Skeincoin SKC Mining Hashrate
BlackMiner F1+ FPGA Skeincoin SKC Mining Power DrawBlackMiner F1+ FPGA Skeincoin SKC Mining Power Draw
BlackMiner F1+ FPGA Skeincoin SKC Pool MiningBlackMiner F1+ FPGA Skeincoin SKC Pool Mining
Verge (XVG) Lyra2rev2 Mining Hashrate & Power Draw
  • Hashrate: 324 Mh/s
  • Power Draw: 550w
BlackMiner F1+ FPGA XVG Verge Lyra2rev2 Mining HashrateBlackMiner F1+ FPGA XVG Verge Lyra2rev2 Mining Hashrate
BlackMiner F1+ FPGA XVG Lyra2rev2 Power DrawBlackMiner F1+ FPGA XVG Lyra2rev2 Power Draw
BlackMiner F1+ FPGA Verge Lyra2rev2 MiningBlackMiner F1+ FPGA Verge Lyra2rev2 Mining
PHI2 Mining Hashrate & Power Draw

PHI2 Coins: Lux (LUX), Argoneum (ARG)

  • Hashrate: 77.5 Mh/s
  • Power Draw: 585w
BlackMiner F1+ FPGA PHI2 Lux Mining HashrateBlackMiner F1+ FPGA PHI2 Lux Mining Hashrate
BlackMiner F1+ FPGA PHI2 Lux Mining Power DrawBlackMiner F1+ FPGA PHI2 Lux Mining Power Draw
BlackMiner F1+ FPGA PHI2 Lux BSOD Pool MiningBlackMiner F1+ FPGA PHI2 Lux BSOD Pool Mining
PHI1612 Mining Hashrate & Power Draw

PHI1612 Coins: Folm (FLM), Fonero (FNO), Seraph (SERA)

  • Hashrate: 470 Mh/s
  • Power Draw: 800w
BlackMiner F1+ FPGA Folm Phi1612 Mining HashrateBlackMiner F1+ FPGA Folm Phi1612 Mining Hashrate
BlackMiner F1+ FPGA Folm PHI1612 Power DrawBlackMiner F1+ FPGA Folm PHI1612 Power Draw
BlackMiner F1+ FPGA Folm PHI1612 MiningBlackMiner F1+ FPGA Folm PHI1612 Mining
Tribus Mining Hashrate & Power Draw

Tribus Coins: Denarius (DNR), BZLcoin (BZL), Keyco (KEC), Scriv (SCRIV), Virtus (VRT), Zula (ZULA)

  • Hashrate: 4.4 Gh/s
  • Power Draw: 890w
BlackMiner F1+ FPGA Tribus Denarius Mining HashrateBlackMiner F1+ FPGA Tribus Denarius Mining Hashrate
BlackMiner F1+ FPGA Tribus Mining Power DrawBlackMiner F1+ FPGA Tribus Mining Power Draw
BlackMiner F1+ FPGA Tribus Denarius Pool MiningBlackMiner F1+ FPGA Tribus Denarius Pool Mining
Nexus Mining Hashrate & Power Draw
  • Hashrate: 3.87 Gh/s
  • Power Draw: 790w
BlackMiner F1+ FPGA Nexus Mining HashrateBlackMiner F1+ FPGA Nexus Mining Hashrate
BlackMiner F1+ FPGA Nexus Mining Power DrawBlackMiner F1+ FPGA Nexus Mining Power Draw
BlackMiner F1+ FPGA Nexus Pool MiningBlackMiner F1+ FPGA Nexus Pool Mining
BitcoinX Mining Hashrate & Power Draw
  • Hashrate: 26 Gh/s
  • Power Draw: 700w
BlackMiner F1+ FPGA BitcoinX Mining HashrateBlackMiner F1+ FPGA BitcoinX Mining Hashrate
2019-02-16 16.54.522019-02-16 16.54.52
BlackMiner F1+ FPGABitcoinX MiningBlackMiner F1+ FPGABitcoinX Mining
0xBitcoin Mining Hashrate & Power Draw
  • Hashrate: 35.2 Gh/s
  • Power Draw: 1040w
BlackMiner F1+ FPGA SHA3 0xBTC Mining HashrateBlackMiner F1+ FPGA SHA3 0xBTC Mining Hashrate
BlackMiner F1+ FPGA 0xBitcoin 0xBTC Mining Power DrawsBlackMiner F1+ FPGA 0xBitcoin 0xBTC Mining Power Draws
BlackMiner F1+ FPGA SHA3 0xBitcoin Pool MiningBlackMiner F1+ FPGA SHA3 0xBitcoin Pool Mining
Keccak Mining Hashrate & Power Draw

Keccak Coins: SmartCash (SMART), MaxCoin (MAX)

  • Hashrate: 34.9 Gh/s
  • Power Draw: 950w
BlackMiner F1+ FPGA Keccak SmartCash Mining HashrateBlackMiner F1+ FPGA Keccak SmartCash Mining Hashrate
BlackMiner F1+ FPGA Keccak SmartCash Power DrawBlackMiner F1+ FPGA Keccak SmartCash Power Draw
BlackMiner F1+ FPGA Keccak SmartCash MiningBlackMiner F1+ FPGA Keccak SmartCash Mining
Keccak-C Mining Hashrate & Power Draw

Keccak-C Coins: Creativecoin (CREA)

  • Hashrate: 34.9 Gh/s
  • Power Draw: 130w
BlackMiner F1+ FPGA Keccak-c Creatiuvecoin Mining HashrateBlackMiner F1+ FPGA Keccak-c Creatiuvecoin Mining Hashrate
BlackMiner F1+ FPGA Keccak-c Creativecoin Power DrawBlackMiner F1+ FPGA Keccak-c Creativecoin Power Draw
BlackMiner F1+ FPGA Keccak-c Creativecoin Pool MiningBlackMiner F1+ FPGA Keccak-c Creativecoin Pool Mining
Keccak-D Mining Hashrate & Power Draw
  • Hashrate: 34.9 Gh/s
  • Power Draw: 130w
BlackMiner F1+ FPGA Keccak-c Creatiuvecoin Mining HashrateBlackMiner F1+ FPGA Keccak-c Creatiuvecoin Mining Hashrate
BlackMiner F1+ FPGA Keccak-c Creativecoin Power DrawBlackMiner F1+ FPGA Keccak-c Creativecoin Power Draw
BlackMiner F1+ FPGA Keccak-c Creativecoin Pool MiningBlackMiner F1+ FPGA Keccak-c Creativecoin Pool Mining
Dagger (XDAG) Mining Hashrate & Power Draw
  • Hashrate: 22.6 Gh/s
  • Power Draw: 130w
BlackMiner F1+ FPGA Dagger XDAG Mining HashrateBlackMiner F1+ FPGA Dagger XDAG Mining Hashrate
BlackMiner F1+ FPGA Dagger XDAG Power DrawBlackMiner F1+ FPGA Dagger XDAG Power Draw
BlackMiner F1+ Dagger XDAG Pool MiningBlackMiner F1+ Dagger XDAG Pool Mining
Zen Protocol Mining Hashrate & Power Draw
  • Hashrate: 35.2 Gh/s
  • Power Draw: 1070w
BlackMiner F1+ FPGA Zen Protocol Mining HashrateBlackMiner F1+ FPGA Zen Protocol Mining Hashrate
BlackMiner F1+ FPGA ZenProtocol Power DrawBlackMiner F1+ FPGA ZenProtocol Power Draw
BlackMiner F1+ FPGA Zen Protocol Pool MiningBlackMiner F1+ FPGA Zen Protocol Pool Mining
Amoveo Mining Hashrate & Power Draw
  • Hashrate: 82.6 Gh/s
  • Power Draw: 1080w
BlackMiner F1+ FPGA Amoveo VEO Mining HashrateBlackMiner F1+ FPGA Amoveo VEO Mining Hashrate
BlackMiner F1+ FPGA Amoveo VEO Mining Power DrawsBlackMiner F1+ FPGA Amoveo VEO Mining Power Draws
BlackMiner F1+ FPGA Amoveo VEO Pool StatsBlackMiner F1+ FPGA Amoveo VEO Pool Stats
Blackminer F1+ Profitability

Since the F1+ is a multi-algo FPGA miner, you have to keep a constant eye on the market and chose the best options to mine.

There are many tools that might help you to chose the best coin to mine. For instance, you might have one favorite coin you believe in so you decide to mine it and hold no matter what.

Or, if you are more into instant profit, the following site might help you to chose the best coin of the day: https://www.hashaltcoin.com/en/caculation

For more details on a specific coin, you might want to use whattomine, cryptoz0ne, coincalculators or coinwarz. For example, Denarius has been an interesting crypto these past days with daily earnings of up to $8 (despite me having pretty expensive electricity here).

From my experience, Whattomine gives pretty accurate numbers, which is why I am listing it here. I’ve tested it mainly with Dinarius, Zen Protocol so far.

Blackminer F1+ Denarius Tribus Profitability 2Blackminer F1+ Denarius Tribus Profitability 2
Blackminer F1+ Zen Protocol ProfitabilityBlackminer F1+ Zen Protocol Profitability

Since the F1+ unit hashes and consumes as advertised too, you can use those websites to accurately choose the right coin to mine every day.

Now, how does the F1+ compare to the conventional GPU rig?

If we take the same Denarius (tribus) coin as an example, a 6x GTX 1080Ti mining rig would hash around 720 Mh/s and “earn” you -$1 -/+ a day. While having comparable power consumption, a F1+ outputs 4400mh/s, which is why profits are around $8 a day.

Another example for Tribus. A rig of 6x GTX 1080Ti hashes around 765 Mh/s with a power consumption of 1100W. The F1+ hashes 4400 mh/s while consuming 900W. If you’d like to reach the 4400 Mh/s mark by using GPUs, you’d need 35 GTX 1080Ti cards that would consume around 5000W.

Besides, the F1+ costs about half of what a 6x GTX 1080Ti rig does, which makes this FPGA a pretty interesting choice.

Here’s another thing to consider. One can argue that the strongest part of GPU mining is its flexibility. A good GPU is compatibile with a wide array of different coins and no matter how much the market changes, there is almost always a profitable coin to mine. That’s why overall, I’ve always invested most of my money into GPU rigs, not ASICs. I usually don’t want to bet on one single coin or even algo.

Here’s where the Blackminer F1+ is better than an ASIC – as an FPGA, it has some of that flexibility I like so much about GPUs. The way it can mine a wide array of algorithms makes it like a spider – you can lose a leg or two.. or five, and still stand on your feet.

Blackminer F1+ vs Other FPGAs
Blackminer F1+ Profitability Front FanBlackminer F1+ Profitability Front Fan
Blackminer F1+ Noise LevelBlackminer F1+ Noise Level

The F1+ is not the only FPGA there is. I wonder, how does it compare to its competency?

The first competency that comes in mind is the F1 – the predecessor of the model we are talking about in this review. As expected, the F1+ is superior to its predecessor in every aspect.

Compared to the BTU9P, the F1+ costs less and can mine DigitalCruncher (zen protocol) and 0xToken around 180{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} faster.

Compared to the new MA-X1, the F1+ can mine Keccak ~269{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} faster (other MA-X1 benchmarks are not available) at around 300{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} higher power draw. That being said, the F1+ is about 20{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} cheaper than the MA-X1, making it a better ROI for those who don’t have awfully expensive electricity.

Compared to the BCU 1525, the F1+ is more cost-efficient but less power-efficient. If we talk about upfront investment, the F1+ is cheaper and gives you more hashes per dollar invested (as detailed below). On the other hand, the F1+ outputs less hashes per Watt.

As we can see in the comparison chart below, the BCU 1525 is 22{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} more power efficient when mining Keccak-zp, 54{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} more power efficient when mining Lyra2z and 14{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} more power efficient when mining Keccak.

However, when it comes to cost efficiency, we see that the F1+ is:

Keccak-zp – 133{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} more cost-efficient (35 gh/s for $3750 vs. 15 gh/s for $4000)

Lyra2z – 55{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} more cost-efficient (93 mh/s for $3750 vs. 60 mh/s for $4000)

Keccak – 177{520ebc7d04367f10067c097a94259816cd1e6df76ec40212834858ca2e1af940} more cost-efficient (35 gh/s for $3750 vs. 12.6 gh/s for $4000)

          BlackMiner F1+          official store

In Conclusion

The Blackminer F1+ FPGA stands somewhere between an ASIC and a GPU. On one hand, it hashes several times faster than any modern GPU rig but on the other hand, it is more flexible than the conventional ASIC. That combination might give the F1+ great longevity and make it a competent miner for a pretty long time.

If we also take into account the price of a F1+ unit, we could say that for now, this miner might be a safer investment than the conventional ASIC. Does that mean that you should get one? The answer is up to you – investing into mining equipment always involves risks no matter how good or promising that equipment is.

About the miner itself, I am giving it a positive rating because it hashes as advertised. Build quality seems good too and the company seems pretty customer-oriented so far. Based on the company’s track record, Hashaltcoin seems to deliver in time too, which is always welcome.

That’s my experience with the Blackminer F1+, please share yours in the comments below.

Thank you for reading. As always, your comments, suggestions and questions are welcome.

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