Braiins Forge Axe
- Hashrate
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- Power
- —
- Efficiency
- —
- Noise
- —
from $221 $46 per TH
Home miner Lottery miner Desktop Unknown
GekkoScience Compac F
A USB-stick miner from GekkoScience in Missouri. It runs at about 250 GH/s stock and up to 400 GH/s overclocked, but needs a powered USB hub, a computer running mining software and a fan. GekkoScience lists it as out of stock.
Hashrate250 GH/s worst 250 GH/sbest 1.16 PH/s 197th best of 197 (the bar uses a log scale)
Power (stock)—
Efficiency—
Earns per kWh—
Heat output—
Noise—
Price per TH$539.96 worst $539.96best $1.82 156th best of 156 (the bar uses a log scale)
Where to buy
| Store | Trustpilot | Condition | Availability | Listed price | In your currency | Per TH | Checked | Link |
|---|---|---|---|---|---|---|---|---|
| Bitcoin Merch Ships from United States Compac F with fan upgrade combo | TrustScore 4.4 out of 5, 1,082 reviews | New | In stock | $135 | $135 | $539.96 | 4 Nov 2026 | Visit |
| GekkoScience Ships from United States · Maker's own shop limit 10 per order | TrustScore 3.3 out of 5, 3 reviews | New | Out of stock | $40.00 | $40 | $160.00 | 4 Nov 2026 | Visit |
Prices as listed on each store's page on the date shown, without shipping. Prices marked excl. tax leave out VAT or sales tax, and others may too. Per TH uses the hashrate of the unit each store sells. Converted at ECB rates of 11 Nov 2026. Trustpilot scores are for the store, not the device. Each store's name opens its page, with everything it sells and its reviews.
Heat, running cost and sats
The maker hasn't published a power figure, so we can't work out the running cost yet.
Specifications
| Brand | GekkoScience |
|---|---|
| Model | Compac F |
| SKU | — |
| Type | Lottery miner · Home |
| Form factor | Desktop |
| Cooling | Air |
| Production status | Unknown * |
| Launch date | — |
| Hashrate | 250 GH/s |
| Power consumption (stock) | — |
| Mining efficiency | — |
| ASIC chip | Bitmain BM1397 × 1 (reported by an independent source) |
| Heat output | — |
| Input voltage | USB (powered hub required) |
| Frequency | — |
| Net dimensions (W × D × H) | — |
| Net weight | — |
| Noise | — |
| Operating temperature | — |
| Area heated | — |
| Colours | — |
| Company based in | United States |
| Made in | United States |
* Not confirmed by the maker's own documents yet.
Heat modes
| Mode | Hashrate | Power | Heat |
|---|---|---|---|
| Overclocked (maximum) | 400 GH/s | — | — |
Features
- USB stick form factor
- Needs a powered USB hub and a host computer
- Overclockable to about 400 GH/s
- Requires active cooling
- Made in America
Reviews
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Sources and data notes
- maker product page (stock 250 GH/s, up to 400 GH/s, powered hub, active cooling, made in America, $40, out of stock) www.gekkoscience.com
- maker shop listing www.gekkoscience.com
- Bitcoin Merch product page or product data (price, availability) bitcoinmerch.com
- ASIC chip: IDENT_GSF / IDENT_GSFM (CompacF, R909): asic_type = BM1397, expected_chips = 1 ('at least 1') github.com
- ASIC chip: USB table: GekkoScience 'CompacF Bitcoin Miner' -> IDENT_GSF github.com
- ASIC chip: reseller spec table: '1× BM1397 (also used in Antminer S17 / S17 Pro)', 200–350 GH/s, 5–15 W www.bitshopper.de
- ASIC chip: benchmark.pl review spec table: ASIC 'AntMiner BM1397', 200 GH/s (400 GH/s overclocked), 5–15 W; no chip count www.benchmark.pl
- ASIC chip: maker page: 250 GH stock, up to 400 GH; no chip named www.gekkoscience.com
Not yet confirmed from the maker's own documents: production status; launch date; power; efficiency; dimensions; weight; noise; operating temperature.
Spotted a mistake? Let us know.