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Opentrons Flex Magnetic Block


The Opentrons Flex Magnetic Block is a magnetic 96-well plate for pulling particles out of suspension and retaining them during wash, rinse or other elution procedures. It is suitable for many magnetic bead-based protocols, including extracting and purifying DNA, RNA and proteins.

Opentrons Flex Magnetic Block

See the Flex in Action

Check out our recent walkthrough of the Opentrons Flex. In this video, our team discusses important considerations for automating sample normalization and PCR, as well as provides a live demo of the robot.

Opentrons Flex Magnetic Block
MagneticBlock GEN1 FRONT e1689187864799
MagneticBlock GEN1 SIDE e1689187897763

Other Features

  • 96 magnetic wells consisting of high-strength neodymium ring magnets fixed to a spring-loaded bed
  • For use with Opentrons Flex and Opentrons Flex Gripper; not compatible with OT-2
  • Compatible with a range of labware including Opentrons Tough PCR Plates and NEST Deep Well Plates, various magnetic bead products, and protocols with volumes from 10 µL to 2 mL

Tech Specs

Opentrons Flex Magnetic Block

136 x 94 x 45 mm (l/w/h)


1.13 kg

Module power input
None, module is unpowered

A wide range of 96-well microplates, containing volumes from 10 µL to 2 mL

Recommended labware

We recommend using Opentrons Tough PCR Plates and NEST 96 Deep Well Plates with the Opentrons Flex Magnetic Block, as they are full-skirted and have rigid frames, which are compatible with the Opentrons Flex Gripper

Frequently Asked Questions

For FAQs about the Flex, OT-2, and other products, click here.

The Opentrons Flex Magnetic Block GEN1 is compatible with the Opentrons Flex robot, while the OT-2 Magnetic Module GEN2 is compatible with the OT-2 robot.

The Magnetic Block is a plate-sized magnet that relies on the Opentrons Flex Gripper GEN1 to move your plates on and off the block. Conversely, the Magnetic Module is a powered unit that turns the magnets on and off, and is intended for use with a liquid handling robot without a gripper.

Yes. Compatible labware for the Opentrons Flex Magnetic Block includes:

Opentrons Tough 0.2 mL PCR well plate (full skirt)

NEST 2 mL 96 Deep Well Plate

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