PAX S500 Countertop Payment Terminal Technical Characteristics

Please refer to the Hardware Matrix for the PAX S500 Countertop Payment Terminal Series to verify additional compatibility by partner.

This device has reached end-of-life status and is available exclusively for existing customer-owned installations.

Features & Benefits

Exceptional Stability & Reliability

32-bit ARM11 processor (2.5+ MB L2 cache)
Modem / Ethernet / GPRS / 3G (WCDMA) / Wi-Fi
Contactless reader supporting NFC
High-speed thermal printer
Signature capture functionality

Unprecedented Security

PCI PTS 4.x approved, SRED
Supports DUKPT, MK/SK, FIXED KEY
Supports HASH function
Supports RSA, AES, 3DES

Multimedia Performance

Large color touchscreen display
Supports images

Specifications

Category	Details
Processor	32-bit ARM11
Memory	System: 16MB Flash + 8MB DDR (typical) Expansion: microSD (TF) card up to 32GB
Display	3.5" TFT color LCD, 320 × 240 pixels (QVGA); touchscreen
Keypad	10 numeric keys; 6 function keys; 1 power (ON/OFF) key
Printer	High-speed thermal printer; 58 mm paper; ~100 mm/s
Magnetic Card Reader	Tracks 1/2/3; bi-directional
Smart Card Reader	EMV L1/L2 certified
Contactless Card Reader	Visa payWave \| Mastercard Contactless \| American ExpressPay \| Discover D-PAS \| J/Speedy \| UnionPay QuickPass \| MiFare \| Felica \| NFC
Communications	Modem \| Ethernet \| GPRS \| 3G (WCDMA) \| Wi-Fi (optional)
Card Slots	2 × SAM; 1 × SIM (configurations may vary)
Peripheral Ports	RS232 (RJ12) \| Mini-USB (OTG) \| Power port
Security	RSA / AES / 3DES; DUKPT & MK/SK key management; HASH function
Environmental	Operating: 0°C – 45°C (32°F – 113°F) Storage: −20°C – 70°C (−4°F – 158°F) Humidity: 5% – 95% non-condensing
Voltage / Power	Input: 100–240VAC, 50/60Hz \| Output: 9V DC, 2A
Physical	Approx. 190 × 80 × 54 mm \| ≈360 g
Certifications	PCI PTS 4.x SRED \| EMV L1/L2 \| EMV Contactless L1 \| Visa payWave \| Mastercard Contactless \| American ExpressPay \| Discover D-PAS \| Interac Flash \| J/Speedy \| UnionPay QuickPass \| CE \| FCC

Note: Looking to better understand the PAX S500 Countertop Payment Terminal and its capabilities? All Quick Reference Guide resources mentioned here are available for download, perfect for sharing with your team or reviewing offline to see how the PAX S500 Countertop Payment Terminal can streamline your payment processing experience.

Additional Resources