---
title: "Carbon Brick Drop Rates (CN server)"
description: "Carbon Brick drop rates on the CN server: SK-3 250.01% (151,977 samples), SK-4 80.27% (136,307), SK-5 49.95% (587,837); 3 stages in total. Updated 2026-10-23. Crowdsourced Arknights drop data by Penguin Statistics."
lang: en
server: CN
item_id: "3113"
as_of: 2026-10-23T14:49:33Z
time_zone: UTC+8
rows: 3
rows_total: 3
canonical: "https://penguin-stats.io/en/result/cn/item/3113"
api: "https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=CN&itemFilter=3113&show_closed_zones=true"
license: CC BY-NC 4.0
license_url: https://creativecommons.org/licenses/by-nc/4.0/
attribution: "Data: Penguin Statistics (penguin-stats.io), CC BY-NC 4.0"
---

# Carbon Brick Drop Rates (CN server)

Server: **CN server** · [US server](https://penguin-stats.io/en/result/us/item/3113.md) · [JP server](https://penguin-stats.io/en/result/jp/item/3113.md) · [KR server](https://penguin-stats.io/en/result/kr/item/3113.md)

Drops of Carbon Brick by stage on the CN server, by percentage, highest first: 3 of 3 stages

| Stage | ID | Loots | Samples | Percentage | Sanity Required Per Item | Sanity | Time Range |
| --- | --- | ---: | ---: | ---: | ---: | ---: | --- |
| [SK-3](https://penguin-stats.io/en/result/cn/stage/weekly_8/wk_armor_3.md) Resource Search | `wk_armor_3` | 379954 | 151977 | 250.01% | 8.00 | 20 | 2019-05-01 until now |
| [SK-4](https://penguin-stats.io/en/result/cn/stage/weekly_8/wk_armor_4.md) Resource Search | `wk_armor_4` | 109414 | 136307 | 80.27% | 31.14 | 25 | 2019-05-01 until now |
| [SK-5](https://penguin-stats.io/en/result/cn/stage/weekly_8/wk_armor_5.md) Resource Search | `wk_armor_5` | 293649 | 587837 | 49.95% | 60.06 | 30 | 2019-05-01 until now |

Samples: runs of the stage reported in the time range. Loots: total number of the item dropped in those runs. Percentage = Loots ÷ Samples, the expected number dropped per run, which can exceed 100%. Sanity Required Per Item = Sanity ÷ Percentage. Time Range: since the drop table of the stage last changed.

Updated 2026-10-23 22:49 (UTC+8). [Full data (JSON)](https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=CN&itemFilter=3113&show_closed_zones=true). License: [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/)

## Related Items

- [Carbon Brick](https://penguin-stats.io/en/result/cn/item/3114.md) `3114`
- [Carbon Stick](https://penguin-stats.io/en/result/cn/item/3112.md) `3112`