Braiins Forge Axe
- Hashrate
- 4.8 TH/s
- Power
- —
- Efficiency
- —
- Noise
- —
from $221 $46 per TH
Home miner Lottery miner Desktop In production
GekkoScience Compac A2 V2
GekkoScience's newer USB-stick miner, sold as a package with its own PWM fan. It runs at about 600 GH/s stock and can pass 1 TH/s overclocked if the USB hub can supply the power. Like other sticks it needs a powered hub and a controller running cgminer.
Hashrate600 GH/s worst 250 GH/sbest 1.16 PH/s 194th best of 197 (the bar uses a log scale)
Power (stock)—
Efficiency—
Earns per kWh—
Heat output—
Noise—
Price per TH$133.33 worst $539.96best $1.82 148th 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 |
|---|---|---|---|---|---|---|---|---|
| GekkoScience Ships from United States · Maker's own shop V2 package with fan | TrustScore 3.3 out of 5, 3 reviews | New | In stock | $80.00 | $80 | $133.33 | 4 Nov 2026 | Visit |
| Bitcoin Merch Ships from United States Compac A2 with fan upgrade combo | TrustScore 4.4 out of 5, 1,082 reviews | New | In stock | $225 | $225 | $374.98 | 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 A2 V2 |
| SKU | — |
| Type | Lottery miner · Home |
| Form factor | Desktop |
| Cooling | Air |
| Production status | In production |
| Launch date | — |
| Hashrate | 600 GH/s |
| Power consumption (stock) | — |
| Mining efficiency | — |
| ASIC chip | Bitmain BM1370 × 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 (hub permitting) | 1 TH/s | — | — |
Features
- USB stick form factor with PWM Icepac fan included
- Onboard telemetry: input and core voltage, die temperature, fan speed
- Adjustable core voltage and fan speed
- Needs a powered USB hub and a cgminer controller
Reviews
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Sources and data notes
- maker product page (stock 600 GH/s, over 1 TH/s overclocked, fan, telemetry, $80) www.gekkoscience.com
- Bitcoin Merch product page or product data (price, availability) bitcoinmerch.com
- ASIC chip: USB table: iProduct 'GekkoScience Compac A2' (and 'GekkoScience Terminus A2') -> IDENT_GSA2 github.com
- ASIC chip: IDENT_GSA2: asic_type = BM1370, expected_chips = 1 (minimum); chip ID 0x1368 is reported as BM1368; copyright includes sidehack github.com
- ASIC chip: 4.13.3 (31 Jul 2025): 'CompacA2 linux and windows tested version for release', 'GSA2 will also work with BM1368 chips', 'add GSA2 1 chip BM1370 USB' github.com
- ASIC chip: reseller page: 'a single Bitmain BM1370 ASIC', successor to the Compac A1 (two BM1362), about 600 GH/s to 1 TH/s, 10–17 W www.bitshopper.de
- ASIC chip: maker page 'Compac A2 V2 Package': 600 GH stock, 1 TH+ overclocked, 'cgminer currently supports this stick'; no chip named www.gekkoscience.com
Not yet confirmed from the maker's own documents: launch date; power; efficiency; dimensions; weight; noise; operating temperature.
Spotted a mistake? Let us know.