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Which Verifone device is which

Verifone Terminals Explained: Commander, Topaz, P400, MX915 and What Each Means for Your Books

Standing at your counter and wondering which Verifone box is which? This guide helps you tell the register and site devices from the card devices, lists the model names owners search for, and says what to ask before any of them is replaced.

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Quick answer

Which Verifone device is which: Commander, Topaz, P400, MX915?

The Commander is a site controller, and Topaz and Ruby2 are register consoles. The P400 and MX915 are PIN pads that take the card payment, and the T650c is a larger touchscreen. The register records the sale and the card device records how it was paid.

Last reviewed: October 13, 2026

By the FuelCFO team. Where this page describes a vendor's product, the details come from the vendor's own public descriptions and can change, so confirm them with the vendor. Figures in diagrams are illustrative.

Which Verifone device is on my counter?

Most stations have two families of Verifone equipment. One family runs the sale and the site. The other family takes the card. If you can tell which family a box belongs to, you can tell who to call, what a replacement touches and which of your records it affects. Model lines change, so confirm what you own with Verifone or your reseller. We are not part of Verifone, we do not sell it and we do not repair it.

A quick way to sort the boxes

Look at what the customer touches. If the customer dips, taps or swipes a card and presses a PIN, it is a card device. If only your cashier uses it to ring up items, it is a register. If it sits in the back and nobody touches it, it is probably the site controller.

Site and register family

The Commander Site Controller is described by Verifone as combining site, payment and forecourt control. Topaz is a touchscreen plus keyboard register. Ruby2 is an all-touch register. If someone says Commander, Topaz or Ruby2, they are talking about this family. These are the units that ring up the sale and run the site, so a problem here usually shows up in sales reports first.

Card device family

The P400 and MX915 are PIN pads. The T650c is a larger touchscreen. If you see a VX520, it is an older card device that many stores still have. The same goes for E285, UX410 and V400m. For any of those, confirm the exact model and its status with your reseller.

Why the split matters at replacement time

Swapping a PIN pad changes how the card is read. Swapping a register changes how the sale is rung up. Swapping the site controller can change both, plus the pumps. Ask which family is being touched before the work starts, so you know which records to watch. A short call beforehand can save weeks of untangling.

What a swap does to your records

Sales are still sales, but reports can be named differently and card settlements can start on a new schedule. Keep the last report from the old device and the first from the new one. That is the paper trail that proves no day was missed or counted twice, if anyone asks later.

How to use this page

To match a model name to its job, go to the identification table. To see what goes wrong around a swap, go to where it goes wrong. If you want a team to handle the books side, what we do covers it. Write down the install date.

Where we fit when a device changes

1

Keep a dated list of your devices

We note what is installed at each store and when it changed, so later questions have an answer.

2

Watch the changeover days

We compare the last day on the old device with the first day on the new one.

3

Match the new settlement path

If cards start settling differently after a swap, we reconcile both paths until the old one stops.

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What a device change means for the month

1

We ask what changed

Any device added, moved or removed during the month, with dates.

Tell us about any device added, moved or removed in the month, with the date.

A device change is a common cause of card gaps.

2

We split the days

Days before and after the change are checked separately.

Days before and after the change are checked separately.

This keeps an old problem from hiding a new one.

3

We reconcile card activity

Card totals from the register and the processor are compared for each side of the change.

Card totals from the register and the processor are compared on each side of the change.

A difference points to a setting or a batch that did not close.

4

We report the effect

You get the books and a note on what the change did, if anything.

You get the books and a note on what the change did, if anything.

Often the answer is nothing, and that is worth knowing too.

Verifone model names and what each one is

Model nameWhich familyWhat to do at replacement time
CommanderSite controllerPlan the swap with your reseller, since it can touch register, cards and pumps
TopazRegister, touchscreen plus keyboardConfirm the new register reads your current departments
Ruby2Register, all-touchConfirm the new register reads your current departments
P400PIN padAsk whether your processor supports the replacement
MX915PIN padAsk whether your processor supports the replacement
T650cLarger touchscreen card deviceAsk what it is paired with and whether the pair is replaced together
VX520Older card deviceAsk your processor whether it is still supported
E285, UX410, V400mOlder or newer card devicesConfirm the exact model and its status with your reseller

This lists what Verifone has described plus plain notes for older names. Your exact setup may differ, so confirm with Verifone or your reseller.

Where a device swap trips up the books

Nobody knows the install date

A card device was changed and no one wrote down the day.

Old and new both settle

The retired device still has sales in flight, so two settlement streams overlap.

Department names shift

A new register labels items differently and sales land in a different account.

A PIN pad swapped, a fee changes

The new setup carries a different fee and nobody checks the next statement.

A box is counted as the wrong thing

An owner pays for a card device and the cost is recorded as a register or the other way round.

Guessing which device is which vs keeping a device record

GuessingFuelCFO
Knowing what you ownMemory and old invoicesA dated list per store
Changeover daysHoped to be fineLast old day against first new day
Settlement overlapNoticed months laterTraced while it happens
Equipment costLumped into repairsRecorded in the right account
Questions from a lender or buyerScramble for papersAnswer from the file

Who this guide helps

Owners who inherited a store

You did not choose the equipment and cannot tell what is what.

Owners with a replacement quote in hand

You want to know which family of device is being swapped.

Owners adding a second or third store

You want to compare what each site runs.

Anyone reading a model name off a sticker

You are searching P400, MX915 or VX520 and want a plain answer.

From the counter to the ledger

Register and site controllerCounter and back roomRing up and total
PIN pad or touchscreenCustomer sideRead the card
Your booksQuickBooks OnlineSales and card activity apart

Bring this when you ask about a swap

  • Photos of the model labels on each device
  • The quote or invoice for any replacement
  • The date the change will happen
  • Your latest processor statement

No labels handy? Send us a photo and your statements and we will help you work out which family each device belongs to.

How a first month with us goes

1

A free look at your books

Book a 30-minute call. After it we spend about 48 hours reviewing your books and send back what we found, free of charge.

2

A device list for each store

We write down what is installed and which reports each device feeds.

3

A full close

We reconcile, close and report your first month, then repeat it on a schedule.

FAQ

Frequently asked questions

Check who touches it. Customers use card devices. Cashiers use registers. The site controller usually sits out of sight. If you still cannot tell, read the model label and ask your reseller.
Verifone describes the Commander Site Controller as combining site, payment and forecourt control. In many stations it ties the register, cards and pumps together.
Topaz is a touchscreen plus keyboard. Ruby2 is all-touch. Both are registers used at the counter.
Both are PIN pads, which means they read the card and take the PIN. They take the payment but do not total your day.
A larger touchscreen. Ask your reseller how it is paired with your PIN pad and whether they are replaced together.
The VX520 is an older card device. For E285, UX410 and V400m, treat each as an older or newer card device and confirm the exact model with your reseller.
That depends on your processor and your contract. Ask your processor whether your model is still supported before deciding.
Sales are still recorded the same way. What can change is report names and the card settlement schedule, so we compare the days on each side of the swap.

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