# M5Stack Unit CardKB v1.1 50-Key Matrix Keyboard Unit

- Category: Interface modules > GPIO expanders & multiplexers
- Also known as: 50键键盘单元, CardKB, M5Stack Unit CardKB v1.1 50-Key Matrix Keyboard Unit, MEGA8A, Unit CardKB v1.1, 卡片键盘, 矩阵键盘
- Product page: https://partlark.xyz/p/c-m5stack-unit-cardkb-v1-1-50-key-matrix-keyboard-unit-56679edb2b

## Details

- Identified as: Unit CardKB v1.1 / MEGA8A

## Listings

Cached marketplace data: goods prices in CNY, freight, taxes and fees excluded. Prices, stock and options can change; confirm on the listing before ordering.

### 1. 岽恒世纪（深圳）科技有限公司 (1688)

- Price: ¥51.92 per item
- Listing status: listed; details checked 2026-11-14
- Marketplace listing: https://detail.1688.com/offer/1006742731702.html
- Order via Superbuy (affiliate link): https://www.superbuy.com/en/page/buy/?platform=ALIBABA&id=1006742731702&partnercode=EU3LLB&trackPayload=pc_share
- Matching options (PartLark variant links for the haul or bulk add):
  - Unit CardKB v1.1 (option price ¥51.92, stock 31105, best pick): https://partlark.xyz/p/c-m5stack-unit-cardkb-v1-1-50-key-matrix-keyboard-unit-56679edb2b/variant?listing=31467&sku=6170164246784

## Ordering

Paste one or more variant links (one per line) into https://partlark.xyz/basket/bulk-add to add them to a haul. Matches are checked automatically and are not a guarantee of compatibility.