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Bunn

Bunn Speed Brew Platinum Thermal Coffee Maker 10 Cup

  • Capacity: 10 cups
  • Coffee Maker Type: Drip Coffee Machine
  • Coffee Input Type: Ground Coffee
  • Operation Mode: Manual

Last refreshed Jun 15, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A fast, durable drip brewer for people who want a full pot without the wait, with one reported failure involving hot water leaking during the tank's heating cycle.

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ASIN: B07GY6PHYZCategory: Coffee Machines

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Overview

The BUNN CSB3T Speed Brew Platinum keeps a stainless steel internal tank of hot water on standby, so it can brew a 10-cup pot in about 4 minutes instead of the 8 to 10 minutes typical of standard drip machines. It uses a vacuum-insulated thermal carafe instead of a hotplate.

BUNN's speed comes from a different mechanism than most drip makers: water is kept hot in an internal tank at all times rather than heated fresh with each brew, which is also why the machine stays plugged in and on. That tradeoff is electricity used to keep water hot around the clock in exchange for a full pot in minutes rather than a wait.

  • Internal stainless steel tank keeps 70 oz of water hot for on-demand brewing
  • Brews a 50 oz carafe in about 4 minutes
  • Vacuum-insulated double-wall thermal carafe
  • Funnel sized for BUNN's taller filters

Who it's for

Coffee drinkers who want a full pot brewed fast and kept hot in an insulated carafe, rather than on a hotplate, are the intended audience. Anyone who unplugs appliances between uses may lose the speed advantage, since it depends on the tank staying hot.

Pros and cons

Cons
  • Water tank is plastic despite the commercial-style design
  • Must stay plugged in for the speed to work
  • One report of hot water leaking during heating

Performance notes

A commercial-style multi-stream sprayhead showers hot water evenly over the grounds, drawing from an internal stainless steel tank that holds about 70 oz of already-heated water. That's what allows a 20 oz travel mug fill in about 2 minutes or a full 50 oz carafe in about 4. The funnel is built a quarter inch taller than standard to fit BUNN filters and prevent grounds from overflowing during the fast pour.

Specifications

BrandBunn
Dimensions & fit
coffee_filter_size#4
Capacity & performance
Capacity10 cupshigher than 57% of 69 coffee machines
Power & efficiency
Power SourceCorded Electric
Voltage110 voltslower than 78% of 60 coffee machines
Construction & materials
ColorBlack
Included components
Customer Package Type1
Other details
Coffee Maker TypeDrip Coffee Machine
Coffee Input TypeGround Coffee
Operation ModeManual
Filter TypePaper
Is the item dishwasher safeNo
Number of Items1
Part Number55200
StyleRegular
Specific Uses For ProductCoffee Maker
Item Type NameThermal Coffee Maker

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Frequently asked questions

Why does the BUNN Speed Brew brew so much faster than other coffee makers?

It keeps about 70 oz of water pre-heated in an internal stainless steel tank, so brewing doesn't have to wait for water to heat from cold.

Does the carafe keep coffee hot without a hotplate?

Yes, it uses a vacuum-insulated double-wall thermal carafe that BUNN says holds serving temperature for over 2 hours.

Does it need to stay plugged in at all times?

Yes, the speed advantage depends on the internal tank staying hot, so it's designed to stay plugged in and on between brews.