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Design

Thickness: typical values for hardware wallets

Half of hardware wallets in the catalog have thickness below 8.6 mm, and 80% fall between 1 mm and 17 mm (121 models with data).

Median8.6 mm
Median 20259.6 mm
Typical range1 mm – 17 mm
Models121
Distribution

How thickness is distributed

0714202704812162024260–2: 172–4: 74–6: 96–8: 168–10: 2710–12: 1112–14: 1514–16: 516–18: 218–20: 320–22: 122–24: 224–26: 126–28: 5Median 8.6 mm
Percentile10 %25 %50 %75 %90 %
Thickness1 mm5.2 mm8.6 mm12 mm17 mm

Lower is better for this spec: the 10th percentile is the top tenth of the catalog.

Trends

Median thickness by year

0 mm3 mm6 mm9 mm12 mm20182019202020212022202320242025
Recent leaders

Lowest thickness

1 Satochip Seedkeeper
Satochip · 2022
Seedkeeper
0.8 mm
2 KingMax SecSycript Card x1
KingMax · 2022
SecSycript Card x1
0.9 mm
3 CoolWallet Go
CoolWallet · 2025
Go
Secure Element chipNFC
1 mm
5.5
4 TwentyTwo Portal
TwentyTwo · 2024
Portal
Open-source firmwareNFC
5 mm
3.8
5 OneKey Classic 1S Pure
OneKey · 2025
Classic 1S Pure
Secure Element chipOpen-source firmwareUSB-C, Bluetooth
5.2 mm
8.2
6 OneKey Classic 1S
OneKey · 2024
Classic 1S
Secure Element chipOpen-source firmwareUSB-C, Bluetooth
5.2 mm
8.4
7 OneKey Classic
OneKey · 2022
Classic
5.2 mm
8 BitHD Razor Pro
BitHD · 2022
Razor Pro
5.3 mm
9 HWLT Era Wallet
HWLT · 2025
Era Wallet
Secure Element chipAir-gapped signingNFC, QR code
5.5 mm
7.8
10 SafePal X1
SafePal · 2023
X1
Secure Element chipBluetooth
6 mm
4.6
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