Compare K999 Pro BioPro SA40

A full comparison of Zkteco products on price, Card authentication, Card capacity, Transaction capacity, Display Size, and technical specs.

Best price ⁦ZKTeco K999 Pro⁩

⁦K999 Pro⁩

ZKTeco K999 Pro time attendance machine designed for workforce management, featuring a 2.8-inch TFT display, 3…

$100.00

Out of stock

Best value ⁦ZKTeco BioPro SA40⁩

⁦BioPro SA40⁩

ZKTeco BioPro SA40 time attendance device featuring a 2.4-inch display, advanced SilkID fingerprint sensor, an…

$145.00

Out of stock

Specifications

Specification ⁦K999 Pro⁩ ⁦BioPro SA40⁩
Price $100.00 $145.00
General Information
Machine Type Time attendance; Access control Time attendance; Access control
Authentication
Card authentication Optional Yes
Fingerprint sensor — SilkID
Capacity
Fingerprint capacity ⁦3000 fingerprints⁩ ⁦3000 fingerprints⁩
Card capacity ⁦3000 cards⁩ ⁦5000 cards⁩
SSR configuration card capacity ⁦1000 cards⁩ —
Transaction capacity ⁦200000 records⁩ ⁦30000 records⁩
Display and Control
Display Size ⁦2.8 in⁩ ⁦2.4 in⁩
Display
Stated display technology TFT LCD
Power
Power supply voltage ⁦12 V⁩ ⁦12 V⁩
Power supply current ⁦1.5 A⁩ ⁦3 A⁩
Power Supply Type DC —
Environment
Operating Temperature ⁦0-45 °C⁩ ⁦0-45 °C⁩
Operating Humidity ⁦20-80 % RH⁩ ⁦20-80 % RH⁩
Dimensions
Dimensions in source order — ⁦159.8 × 80.7 × 19.4 mm⁩
Software
Built-in SSR reports Optional —
Listed standard functions ⁦Workcode; SMS; DST; Record query; Automatic status switch; Timed ring; T9 input; 9-digit User ID; Simple access control; Backup battery⁩ —
Listed optional functions ID Card; IC Card; Webserver; Photo ID; ADMS; SSR; DNS; External bell —

Summary: Which Product Should You Choose?

Choose K999 Pro if you need:

  • Stronger value for money at $100.00
  • Transaction capacity: ⁦200000 records⁩ vs ⁦30000 records⁩
  • Display Size: ⁦2.8 in⁩ vs ⁦2.4 in⁩

Choose BioPro SA40 if you need:

  • Card capacity: ⁦5000 cards⁩ vs ⁦3000 cards⁩
  • Power supply current: ⁦3 A⁩ vs ⁦1.5 A⁩

Overall, the technical lean favors K999 Pro on Price and Transaction capacity. BioPro SA40 remains the better pick if your priority is Card capacity. They share Machine Type and Fingerprint capacity. Current prices: K999 Pro $100.00 and BioPro SA40 $145.00.

What is the difference between K999 Pro and BioPro SA40?

K999 Pro and BioPro SA40 share a close technical baseline, notably Machine Type, Fingerprint capacity, Stated display technology.

The main decisive differences: Price (K999 Pro: $100.00, BioPro SA40: $145.00); Card capacity (K999 Pro: ⁦3000 cards⁩, BioPro SA40: ⁦5000 cards⁩); Transaction capacity (K999 Pro: ⁦200000 records⁩, BioPro SA40: ⁦30000 records⁩); Display Size (K999 Pro: ⁦2.8 in⁩, BioPro SA40: ⁦2.4 in⁩); Power supply current (K999 Pro: ⁦1.5 A⁩, BioPro SA40: ⁦3 A⁩).

In practice, K999 Pro suits needs centered on Price, while BioPro SA40 fits priorities around Card capacity. Review the specs table above before deciding.

Frequently asked questions

Specs reviewed: 21 Oct 2026

Sources: Zkteco K999 Pro، BioPro SA40، EvoLink product specifications

Contact via WhatsApp