CKB technology solves a lot of challenges that the blockchain industry is facing. Antminer K7 (63.5Th) from Bitmain mining Eaglesong algorithm (Nervos) with a maximum hashrate of 63.5Th/s for a power consumption of 3080W.
Specifications
| Model |
K7 |
| Algorithm | Cryptocurrency |
Eaglesong | CKB |
| Hashrate, TH/s |
63.5 ±3% |
| Power on wall @25°C, Watt |
3080 ±10% |
| Power efficiency on wall @25°C, J/T |
48.5 ±10% |
| Power supply AC Input voltage, Volt(1-1) |
200~240 |
| Power supply AC Input Frequency Range, Hz |
47~63 |
| Power supply AC Input current, Amp(1-2) |
20 |
| Networking connection mode |
RJ45 Ethernet 10/100M |
| Miner Size (Length * Width * Height) |
430 * 195.5 * 290 |
| Net weight, kg(2-2) |
16.1 |
| Gross weight, kg |
17.7 |
| Operation temperature,°C |
0~40 |
| Storage temperature,°C |
-20~70 |
| Operation humidity(non-condensing) , RH |
10~90% |
| Operation altitude, m(3-1) |
≤2000 |
Customer Reviews on Trustpilot
Check out what our customers have to say and see other more real customer reviews on our Trustpilot page.
Andrea Salazar
2 days ago
Ordered an Antminer L9 Litecoin Miner for my crypto farm, and it’s working flawlessly. The first-purchase discount was a nice bonus, making it a cost-effective investment. I highly recommend this site for genuine ASIC miners.
Saad Al-Johani
2 days ago
What sets NiceASICMiner apart is their excellent customer service. They guided me through the entire purchasing process and ensured I got exactly what I needed.
Juha-Pekka Lehtonen
2 days ago
They truly care about their customers. I had questions about a miner’s compatibility, and their team was very helpful. My Antminer S21 Pro is performing like a dream.
Sólveig Guðmundsdóttir
3 days ago
The first-purchase discount made me a loyal customer right away. The product arrived quickly, and its performance has exceeded my expectations.
The entire shopping experience on NiceASICMiner was seamless. From browsing the site to receiving my order, everything was well-organized and professional. Customer support was quick to respond to my inquiries.
NiceASICMiner makes it easy for anyone to get started with mining. Their site is informative, and their delivery process is efficient.
Purchasing Guidelines
- Each user is limited to 500 units.
- If the hashrate does not meet the rated hashrate, a refund will be issued for the corresponding difference in hashrate.
- The pictures shown are for reference only; the final shipment version shall prevail.
Shipping Details
- The products are made in China.
- Shipmens will be scheduled on a first-paid-first-ship basis for orders on which NiceAsicMiner has received full payment.
- You are responsible for any customs delays or returned shipments due to a lack of proper documentation. It's highly recommended to be aware of local customs clearance policies and to prepare all customs documentation ahead of time to avoid any customs clearance delays or unexpected costs.
Warranty
- A 180-day warranty period is provided starting from the shipping date. NiceAsicMiner will cover shipping costs when shipping a replacement unit within the warranty period.
- The warranty only applies to the original purchaser who purchased the machine directly from NiceAsicMiner. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.
- Please check NiceAsicMiner Buyer Protection Policy and NiceAsicMiner Refund and Returns Policy for more details.
Only logged in customers who have purchased this product may leave a review.
We'll be by your side every step of the way to make sure your purchase is risk-free and hassle-free. We love cryptocurrency and our goal is to make you happy with our services. Find out how we stand out from the crowd and why you will benefit from working with us.
Purchase Contracts
Proforma invoice
Proforma invoice available for each individual order.
The invoice can be downloaded from the My Account page once payment has been made.
Formal sales contract
The formal purchase agreement is available for orders of US$50,000 (or more) or 50 units (or more).
In this case, please contact info@niceasicminer.com after payment made to get your contract.
Full Refundable
7-days no-questions-asked refund
7-days(from the time the delivery is signed for) no-questions-asked refund is available for every order.
The buyer must return the miner, with shipping costs paid by the buyer.
30-days full refundable
If there is a problem with the miner within 30 days of signing for delivery, the buyer can get a full refund.
The buyer must return the miner and the shipping costs will be covered by NiceAsicMiner.
Defective on arrival
If defective on arrival, the buyer will receive a full refund immediately and no return of the miner is required.
Learn more about the refund and return policy at: https://www.niceasicminer.com/refund_returns/
Secure Checkout
Our reliable payment systems give you the highest level of security at checkout.
We use cryptocurrency, which is reliable, and our shopping cart is powered by the HTTPS protocol, which uses 256-bit SSL certificates to encrypt your data and is Level 1 PCI compliant.
Test before shipping
Every miner from NiceAsicMiner comes with a test video before shipping so you can check out what it looks like when you receive it.
Smooth Setup
You don't need to be a technical expert or have any knowledge of cryptocurrencies or ASIC mining to set up your miner.
Setup is easy. If you want to make sure you're doing it right, we'll set it up for you for free.
Warranty
All miners are covered by a 180 day warranty (from the time the miner is signed for).
We've thoroughly tested all our miners to make sure there are no problems, but if there are, we'll fix them right away. Remember, we are always here to help you with any problems you may have.
You can get an extended 12-month warranty and free additional services when you purchase a Care Protection Plan.
Satisfying our customers is very important to us and we are sorry our product didn’t meet your expectations. Below are the details of our refund and return policy for your reference.
Overview
Three types of refund requests are supported:
- 7-days no-questions-asked refund
7-days no-questions-asked refund
7 days (from the time the delivery is signed for) no-questions-asked refund is available for every order.
The buyer must return the miner, with shipping costs paid by the buyer.
30-days full refundable
If there is a problem with the miner within 30 days of signing for delivery, the buyer can get a full refund.
The buyer must return the miner and the shipping costs will be covered by NiceAsicMiner.
Defective on arrival
If defective on arrival, the buyer will receive a full refund immediately and no return of the miner is required.
There are certain situations where only partial refunds will be given:
- Any item that is not in its original packaging.
- Any item returned more than 30 days after the date of delivery.
Other notes on the refund policy:
- To be eligible for a return, your item must be in its original packaging.
- To complete your return, we will need a receipt or proof of purchase.
- Please do not return your purchase to the manufacturer.
Learn more about our buyer protection and warranty policies at: https://www.niceasicminer.com/buyer-protection-policy/
Refunds
Once we have received and checked your return, we will send you an email to let you know that we have received your returned item. We will also notify you of the approval or rejection of your refund. In the case of "Defective on arrival", your refund will be approved automatically.
If approved, your refund will be processed within 7 days. You will be notified by email when your refund has been processed.
Our refunds support the following payment methods:
- USD (via Paypal)
- USDT (TRC20)
- Bitcoin (real-time exchange rate)
- Any other cryptocurrency you prefer (real-time exchange rate)
Late or missing refunds
If you haven't received your refund yet, please check your Paypal or cryptocurrency account first. It may take some time for your refund to be officially posted.
Next, contact your bank or wallet provider. There is often a processing time before a refund is posted.
If you've done all this and still haven't received your refund, please contact us.
Exchanges
We will only replace items if they are faulty or damaged. If you would like an exchange for the same item, please email us at info@niceasicminer.com
Gifts
If the item was marked as a gift when purchased and shipped directly to you, you'll receive a gift credit for the value of your return. A gift voucher will be sent to you once we have received the returned item.
If the item wasn't marked as a gift at the time of purchase, or if the gift giver had the order sent to themselves to give to you later, we will send a refund to the gift giver and notify them of your return.
By default, all miners will not be described as gifts in the waybill when shipped.
Shipping returns
To return your product, you should send it to our physical address.
Depending on where you live, the time it takes to receive your replacement product may vary.
If you are returning more expensive items, you may want to consider using a trackable delivery service or taking out a delivery insurance policy.
Need help?
Contact us at info@niceasicminer.com with any questions regarding refunds and returns.
cabledude (verified owner) –
all is good
snoppyr (verified owner) –
Good reseller! thanks!
mitka.80 (verified owner) –
Ok
gubeauchamp (verified owner) –
responsive seller, Recommend to all!
adam.nickies08 (verified owner) –
fast shipment, will order again
jmhm2012 (verified owner) –
A+ seller, everything perfect
gzabeeza (verified owner) –
Great reseller. thanks a lot
oleg_desna (verified owner) –
Very good item! recommended reseller.
sergo-741 (verified owner) –
good seller will order again
dennisbenoit1 (verified owner) –
delivery fast, will order again
loneduck (verified owner) –
Fast shipping. Automatic fan speed adjustment. No load is almost silent. Recommend.
gareevairat87 (verified owner) –
Got it. The miner started.
sheenadennis (verified owner) –
best seller. Recommend
pimpofied (verified owner) –
shipping fast, recommended seller.
zn2013 (verified owner) –
Excellent service, thanks a lot
dennisabebs (verified owner) –
quick response! will buy again
workingdatacenter (verified owner) –
very helpful
colin38369 (verified owner) –
Good packaging, will buy again
dtaboh (verified owner) –
best reseller, thanks!
airp8883 (verified owner) –
all good, thx
elovikovp (verified owner) –
excellent, will order again
joshua93beckford (verified owner) –
Good seller! thanks a lot
blackkrouff (verified owner) –
fast, Recommend
kraychik1 (verified owner) –
Delivery fast.And the machine runs well.
jows.hwang (verified owner) –
responsive reseller, recommended reseller.
sergey.kotyrev (verified owner) –
professional, recommended seller.
3b79774760806 (verified owner) –
responsive reseller, Recommend
allmotortech (verified owner) –
perfect! recommended seller!
antminer26 (verified owner) –
good miner, Recommend to all!
vanja-ladugin (verified owner) –
Good packaging
yartsev (verified owner) –
As in the description
freefrom (verified owner) –
Genial para hacer negocios y envío rápido
4b79774760742 (verified owner) –
fast and trusted! recommended reseller!
santa_malina (verified owner) –
All excellent. thanks a lot
neurofo (verified owner) –
good communication, recommended
lyulko88 (verified owner) –
All is well
md (verified owner) –
Perfect communication, Recommend to all!
mikedennison (verified owner) –
Logistics is fast and things are worth it
aimass (verified owner) –
fast shipment, Strongly recommend!
gav.business (verified owner) –
very helpful
ya.uraspb (verified owner) –
best seller. Recommend to all!
andreyka9-9 (verified owner) –
See you later! Prishol is clear, as the seller promised! I didn\’t! I\’ll check, I\’ll add a review!!!
avdeev30 (verified owner) –
Great seller. Recommend!
nathan.green (verified owner) –
shipping fast
clinten2007 (verified owner) –
Good seller! Recommend!
iamgurman (verified owner) –
best reseller. Recommend!
ftremblay (verified owner) –
responsive reseller, Strongly recommend!
cateater4everyearofdog (verified owner) –
component of very good quality …. consistent with the description. highly recommended seller. Thanks again for the fast shipping. I will test in 10 days I will come back to add a comment
md (verified owner) –
responsive seller, Recommend to all!
ini1801 (verified owner) –
perfect! recommended reseller!
akvetkoff (verified owner) –
responsive reseller, recommended
francis –
fast shipping and delivery, Strongly recommend!
basemzz (verified owner) –
shipping fast, recommended seller.
kolosov-oleg (verified owner) –
As always. Everything perfect. Miner working
guillaume.lemay (verified owner) –
very helpful
rotmgbuyer (verified owner) –
good reseller! thanks a lot
thewird (verified owner) –
Quick delivery, Recommend!
vovann2105 (verified owner) –
good miner, recommended
quasiturbine (verified owner) –
quick response, recommended seller!
matt.sicotte (verified owner) –
good! Recommend to all!
aljack (verified owner) –
Good seller! thanks!