> For the complete documentation index, see [llms.txt](https://rig-rooms.gitbook.io/rig-rooms-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rig-rooms.gitbook.io/rig-rooms-docs/play-and-earn/building-mining-rigs.md).

# Building Mining Rigs

In this **crypto mining simulator**, a “rig” is a complete virtual PC build placed on a bay grid. Only **operational** rigs earn hash rate in the **Solana play-to-earn game**.

## Build order

Mount components in this order:

1. **Frame** on the room grid
2. **Motherboard**
3. **CPU** (required)
4. **GPU(s)** — primary hash rate
5. **PSU** — must cover total GPU watt draw
6. **Fans** — fill every fan slot
7. **Cables** — connect the rig
8. **Consumable** (optional) — one active boost per rig, 24h

Skip a required step and the rig stays non-operational (**0** earnings from that rack).

## Operational checklist

| Slot        | Rule                            |
| ----------- | ------------------------------- |
| Frame       | Placed on an open grid cell     |
| Motherboard | Mounted                         |
| CPU         | Installed                       |
| GPU         | At least one GPU                |
| PSU         | Wattage ≥ sum of GPU power draw |
| Fans        | All fan slots filled            |
| Cables      | Connected                       |

## What each part does

* **GPUs** — main MH/s. Higher rarity / better models usually mean more hash ([GPU Tier Rarities](/rig-rooms-docs/game-systems/gpu-tier-rarities.md))
* **CPU & motherboard** — enable the build; higher rarities add small hash bonuses
* **PSU** — power ceiling; undersized PSU = not operational
* **Fans** — cooling slots; all must be filled; rarity sets a fan bonus band
* **Cables** — connection bonus band by rarity
* **Consumables** — short, strong output multipliers (max one per rig)

## Hash bonuses (by rarity bands)

Approximate platform bonus ranges:

| Part                                     | Bonus range (Common → Legendary) |
| ---------------------------------------- | -------------------------------- |
| Fans (all filled; lowest fan sets bonus) | about +3% → +7%                  |
| Cables                                   | about +2% → +4%                  |
| Motherboard                              | about +0% → +4%                  |
| CPU                                      | about +1% → +5%                  |
| Consumable                               | about +20% → +250% for 24h       |

Exact item stats live on each component card in-game and in the [item encyclopedia](https://rigrooms.com/guidebook/items).

## Condition & repair

Hardware **wears while it earns**:

| Condition    | Output |
| ------------ | ------ |
| Mint / Clean | 100%   |
| Dusty        | 85%    |
| Hot          | 70%    |
| Fried        | 0%     |

Repair Clean / Dusty / Hot gear back toward Mint with $COMPUTE. Wear pauses when a rig is not earning. Keeping Mint GPUs online is one of the highest-ROI habits in this **Solana play-to-earn game**.

## From parts to $COMPUTE

Once operational + hold requirement met, the rig’s MH/s joins the network pool and accrues pending $COMPUTE. Details: [How to Earn $COMPUTE](/rig-rooms-docs/play-and-earn/how-to-earn-compute.md).

## Tips for new builders

1. Get **operational first** — a weak complete rig beats a fancy incomplete one
2. Fix **PSU headroom** before stacking more GPUs
3. Never leave fan or cable slots empty
4. Repair before Fried
5. Use the marketplace to fill gaps instead of only opening packs

Next: [Optimizing Your Mining Room](/rig-rooms-docs/play-and-earn/optimizing-your-mining-room.md).


---

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