The ACS ACR39U-H1 Smart Card Reader supports all ISO 7816 Class A, B, and C smart cards including CAC, SIPRNET and PIV2 cards. It also features a USB full speed interface and a smart card read/write speed of up to 600 Kbps. Highly durable, ACR39U-H1 can last for 100,000 card insertion cycles. It is buildt with a unique "Bridge Desktop" casing that allows upright insertion of smart cards.