ZKTeco K40 vs F18 Review: Which One is Right for Your Business in Bangladesh?

When it comes to biometric attendance and access control solutions, ZKTeco is one of the most trusted brands in Bangladesh. Two of their most popular models — ZKTeco K40 and ZKTeco F18 — are widely used in offices, factories, and institutions. But which one should you choose? Let’s compare them in detail so you can make the right decision for your business.

1. Overview

ZKTeco K40

The K40 is a compact, cost-effective time attendance and basic access control device. It comes with a 2.8-inch TFT screen, built-in battery backup, and support for TCP/IP and USB connections. It’s perfect for small to medium-sized offices that need a reliable attendance system without spending too much.

ZKTeco F18

The F18 is a high-performance standalone fingerprint access control and attendance terminal. With faster processing speed, advanced connectivity options, and a stylish design, it’s better suited for businesses that require more advanced security features.

2. Feature Comparison

Feature ZKTeco K40 ZKTeco F18
Fingerprint Capacity Up to 3,000 Up to 3,000
Card Capacity Up to 3,000 (optional) Up to 5,000 (optional)
Log Capacity 100,000 100,000
Display 2.8-inch TFT screen 2.8-inch TFT screen
Connectivity TCP/IP, USB Host TCP/IP, RS-485, USB Host, Wiegand I/O
Access Control Basic electric lock support Full access control functions
Battery Backup Yes No (requires external power backup)

    3. Price Range in Bangladesh

    1. ZKTeco K40 Price: Around ৳6,300 – ৳7,500 depending on promotions and accessories.
    2. ZKTeco F18 Price: Around ৳10,000 – ৳11,000 based on configuration and supplier.

    Note: Prices in Bangladesh may vary due to ongoing offers, import costs, and currency fluctuations.

    5. Pros & Cons: Which Fits Your Needs?

    K40 – Best for SMEs looking for reliability and budget-friendliness

    • Pros: Affordable, battery backup, easy setup, solid attendance + access control features.
    • Cons: Basic performance, limited expansion, aging interface and hardware.

    F18 – Ideal for mid-sized businesses or facilities with high-security demands

    • Pros: Fast fingerprint matching, richer control features, robust connectivity (RS-485, Wiegand), flexible user management.
    • Cons: Higher price, requires more tech know-how and setup effort.

    5. Which One Should You Choose?

    Choose ZKTeco K40: if your main goal is time attendance tracking with basic access control at a budget-friendly price. Perfect for small offices, retail shops, and SMEs in Bangladesh.

    Choose ZKTeco F18: if you need fast processing, robust security, and advanced access control features. Ideal for mid to large businesses, factories, and secure facilities.

    Final Verdict

    Both the ZKTeco K40 and F18 are excellent biometric devices, but your choice depends on your budget, security requirements, and business size.

    At Techdeal Bangladesh, we offer both models with competitive prices, expert installation, and after-sales support to ensure your business runs smoothly.