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Verifone Omni 3750

Verifone Omni 3750 Ultimate Guide – Everything You Need to Know

The Verifone Omni 3750 is one of the smallest and most effective processing terminals. It comprises a thermal printer, smart card reader, and internal PINpad. The device stands out because of its adequate memory size that supports most demand applications, allowing it to handle multiple merchants’ accounts via a single terminal.

The Omni 3750 is a dual-comm terminal that comes with an optional dial-up, smart card reader, and Ethernet adapter. You get a convenient and all-in-one design that combines a smart card reader, mag-stripe reader, internal PINpad, and a quiet thermal printer. In this article, you will learn about the Verifone Omni 3750 and its unique features. We will cover:

Brief Overview of Verifone Omni 3750

The Omni 3750 is a small, convenient PINpad with a combination of magnetic stripe and smart-card readers. The device comes with a graphics-capable thermal printer that functions with an amazingly small footprint. With its ergonomic design and small size, the Omni 3750 saves your counter space while allowing easy handing over to a customer for PIN input.

Although the Omni 3750 is easy to use, it still requires some bit of training just like other Verifone terminals. With proper use of the device, you will save considerable amounts of time in hand holding and help desk. Luckily, the PINpad comes with a familiar interface that puts all the needed functions at the fingertips of your clears. Its clamshell printer comes with a trouble-free drop-in that loads the paper conveniently, virtually eliminating paper jams.

Read the Ultimate Guide to Pax S300 Credit Card Terminal

Verifone omni 3750

Technical Data


  • Length: 210 mm
  • Width: 104 mm
  • Depth: 83 mm
  • Weight: 760g

Memory: 4 MBytes.

Microprocessor: 32-bit microprocessor.


  • 128 x 64 pixel LCD with back-lighting
  • Supports 8 lines x 21 characters, including graphics.

Primary Smart Card: ISO 7816, 3V, or 5V synchronous and asynchronous cards (Omni 3720 and 3750); EMV-certified.

Magnetic Card Reader: Triple track (tracks 1, 2, 3), bi-directional, and high coercivity

SAM Card Reader: 2 or 4 SAMs optional (Omni 3720 and 3750).


  • 3 x 4 numeric keypad
  • 8 soft-function keys
  • 4 screen addressable keys

Printer: Integrated thermal printer with graphics capabilities, standard roll paper 58 mm (2.25 in.) x 25M, 12.5 lps, 24/32/42 columns

Peripheral Ports: Two RS-232 ports and 1 telecom port support peripherals.


  • 3DES encryption
  • DUKPT and Master/Session key management
  • PED certified
  • VeriShield file authentication

Protocols: The application selects between asynchronous protocols (Visa 1, Visa 2, and others) and synchronous protocols (including ISO 8583/SDLC).

Verifone Omni 3750

VeriFone Omni 3750 Review

The Omni 3750 stands out because of its ease of use, and simple design that saves space and user time. Here’s a review of the main features:

Highly Flexible

The Omni 3750 comes with communication modules meant to future-proof your investments. They support 14.4 Kbs or 2400 bps dial modems and allow you to access IP-based WAN and LAN networks. You also enjoy the customizable face-placed with various colors and branding options to choose from, and an optional swivel stand and privacy shield.

Easy Handling

The Omni 3750 is a highly ergonomic and lightweight device, which is ideal for handing to customers for PIN and other input. It has an intuitive ATM-style interface with an 8 x 12 back-lit display that allows split-screen capabilities. The keys are large enough to reduce clerk training while helping with desk calls.

Adequate Memory Size

The memory in this PINpad is adequate for everyday business use. The memory configurations range from 1.5 to 4 MBs, with a 32-bit processing and multi-tasking streamline that allows you to handle even the most complex transactions like EMV-based smart-card.

Outstanding User-Interface

Omni 3750 operates on Verix architecture with dynamic memory management and large memory configurations that support multiple payments and value-added applications. With the integrated PINpad, you get additional convenience for debit and other PIN-based applications.

Attractive Display

The Omni 37050 comes with exceptional graphics handling of the display and printer. It quickly renders graphical fonts, logos, and character-based languages. The overall design is compact and all-in-one, which saves counter space while offering you a personalized experience.

Highly Secure

Omni 3750 Verishield security architecture allows sophisticated file authentication. This includes DUKPY key management and Master/Session management. The device is also PED-certificated for PIN-based transactions and comes with capabilities to support 3Des encryption algorithms.

Quite Thermal Printer

Omni 3750 has a built-in thermal printer that allows you to quietly and quickly print your receipts. With the ability to include graphics, your receipts are not only functional but appealing as well.

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  • A high memory of 4Mb that allows the terminal to handle demanding applications
  • Ability to handle multiple merchants through a single terminal
  • An all-in-one, company design that saves counter space and allows quick PIN input by the customers
  • Supports value-added services such as prepaid phone cards, gift cards, time and attendance processing, and check services


  • The Verifone Omni 3750 has been discontinued and is no longer available to businesses
  • The model lacks a touchscreen and cannot display HD images

Also Read: Verifone P200 Review

Is Omni 3750 a Great Choice for Your Business?

Verifone Omni 3750 is a credit card terminal ideal for use by any business. The multiple application capabilities and a quiet thermal printer make it efficient for use in many businesses. You also get to enjoy high-speed transaction times, leading to more conversions.

If you are looking to process credit card transactions quickly, check to process, and issue gift and loyalty cards, this device might work well for you. While the number of transactions it can process is not limited, the Verifone Omni 3750 will work well for small and mid-sized businesses. The bold ergonomic design of the Omni n3750 is sleek and stylish. It will offer you countertop power, coupled with a 32-bit performance in an integrated terminal that allows customers to input their PIN quickly.

In Conclusion

Verifone Omni 3750 is a POS terminal that offers you speed, flexibility, and security of Ethernet-based payment services. You can complete any transaction in as little as four seconds, and save your customer’s and clerk’s time. With Omni 3750, you can extend your POS to include kiosks, sidewalk sales, or additional lanes during peak selling time.

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