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Best Freezer Racks For Upright Freezer: Lab Box & Tube Options Compared

Updated 8 min read

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Guide at a glance

  • 4products compared
  • 8minute read
  • Side-by-side comparison table
  • Who each pick suits best
  • What to check before you buy

Choosing the best freezer rack for an upright freezer starts with matching the rack to what you store. These options are made for laboratory supplies—not general food storage—and hold 2-inch sample boxes, centrifuge tubes, or microtiter plates. Check your freezer’s interior dimensions and the size of your containers before choosing, since the racks have different footprints and capacities.

Quick Comparison

ProductDesigned ForCapacityKey Detail
Argos RF442A Upright Freezer Rack2-inch boxes16 boxes4 × 4 configuration; stainless steel
Cole-Parmer Upright Freezer Drawer Rack15 mL centrifuge tubes120 tubesTwo independently sliding drawers
Argos RD342A Upright Freezer Drawer Rack2-inch boxes12 boxes3 × 4 configuration; stainless steel
Cole-Parmer Upright Freezer Rack for Microtiter Plates96- or 384-well plates56 with lids or 64 withoutLocking rods help hold plates in place

Our Picks: Best Freezer Racks For Upright Freezer reviews

Argos RF442A: A 16-Box Rack for Organized Storage

The Argos RF442A is designed to hold sixteen 2-inch boxes in a 4 × 4 arrangement. Its stated dimensions are 21⅝ inches front to back, 8⅞ inches high, and 5½ inches wide. Measure your freezer shelf and door opening against those dimensions before ordering; the long front-to-back measurement is especially important in a compact freezer.

The rack is made from corrosion-resistant stainless steel and includes handles and identification card holders. Those features support organized sample storage and make it easier to label a rack by its contents. The 4 × 4 layout offers more box spaces than the smaller Argos option below, while keeping the same listed width.

This is a focused choice for a lab that stores samples in compatible 2-inch boxes. It is not a general-purpose shelf or a rack for loose tubes. Product details list the rack as unavailable, so check the listing for current purchasing options before making plans around it.

Pros:

  • Holds up to sixteen 2-inch boxes.
  • 4 × 4 layout keeps boxes grouped in a defined arrangement.
  • Corrosion-resistant stainless steel construction.
  • Includes handles and identification card holders.

Cons:

  • The long footprint may not fit every upright freezer.
  • Designed for 2-inch boxes, not tubes or microtiter plates.

Verdict: Choose the RF442A if you need a higher-capacity 2-inch box rack and its dimensions fit your freezer.

Cole-Parmer Two-Drawer Rack for 15 mL Centrifuge Tubes

This Cole-Parmer rack is made for 15 mL centrifuge tubes and has two drawers that slide out independently. Its listed capacity is 120 tubes, making it the highest-capacity option here for that particular container type. The stated height is 9.9375 inches; confirm the complete rack footprint and freezer clearance with the seller before buying.

The drawer design provides separate sections for stored tubes, so you can access one drawer without pulling out the other. The rack is made of stainless steel. Unlike the other products in this group, the supplied specifications do not state the rack’s width or length, so fit is harder to confirm from the available details alone.

This model is best suited to a lab that stores 15 mL centrifuge tubes and wants drawer-style access. It is not specified for 50 mL tubes, 2-inch boxes, or plates. If your setup uses more than one tube size, verify compatibility rather than assuming the rack will accommodate them.

Pros:

  • Listed capacity of 120 15 mL centrifuge tubes.
  • Two drawers slide out independently.
  • Stainless steel construction.
  • Useful when separate tube groups need their own drawers.

Cons:

  • Only the rack’s height is provided in the supplied specifications.
  • Not listed as compatible with 2-inch boxes or microtiter plates.

Verdict: Consider this rack for high-capacity 15 mL tube storage, but confirm its full dimensions and tube fit before ordering.

Argos RD342A: A Compact Rack for Twelve 2-Inch Boxes

The Argos RD342A holds twelve 2-inch boxes in a 3 × 4 configuration. It measures 16½ inches front to back, 9 7/16 inches high, and 5½ inches wide. Compared with the RF442A, it has fewer box positions and a shorter listed front-to-back dimension, which may make it a better fit when freezer space is limited.

Like the larger Argos rack, this model uses corrosion-resistant stainless steel and includes handles and identification card holders. The format is straightforward: a fixed rack for compatible boxes, rather than a drawer system. Check both the rack dimensions and the box dimensions against your storage setup before purchasing.

This is a practical option when twelve spaces are enough or when the RF442A’s longer footprint is unsuitable. It does not provide the larger rack’s sixteen-box capacity, and it is not designed for centrifuge tubes or microtiter plates. Product details list it as unavailable, so confirm whether it can currently be ordered.

Pros:

  • Holds twelve 2-inch boxes in a 3 × 4 layout.
  • Shorter front-to-back dimension than the RF442A.
  • Corrosion-resistant stainless steel construction.
  • Includes handles and identification card holders.

Cons:

  • Holds four fewer boxes than the Argos RF442A.
  • Only suited to compatible 2-inch boxes.

Verdict: Pick the RD342A if you need a 2-inch box rack with a shorter footprint and do not need more than twelve spaces.

Cole-Parmer Plate Rack with Lids or Lid-Free Capacity

This Cole-Parmer rack is made for 96- or 384-well microtiter plates. It holds up to 56 plates with lids or 64 without lids, so the capacity you can use depends on how your plates are stored. Its dimensions are 5.5 inches wide, 9.1875 inches high, and 14.6875 inches long.

The rack is made from corrosion-resistant stainless steel and has handles on both ends, which the product details say accommodate freezers with right- or left-handed doors. Locking rods are included to help keep plates in place during storage. Compare the listed dimensions with your freezer interior, shelves, and door opening before choosing it.

This is the most specialized pick in the group: it suits plate storage, not 2-inch boxes or centrifuge tubes. The difference between its lidded and lid-free capacity is worth checking against your actual plate setup. If your plates need lids, plan around the lower stated capacity.

Pros:

  • Holds 56 plates with lids or 64 without.
  • Designed for 96- or 384-well microtiter plates.
  • Corrosion-resistant stainless steel construction.
  • Includes handles on both ends and locking rods.

Cons:

  • Capacity depends on whether plates have lids.
  • Not intended for tube or 2-inch box storage.

Verdict: Choose this model if you store compatible microtiter plates and want a rack with locking rods and stated capacity for both lidded and lid-free plates.

How to Choose a Freezer Rack for an Upright Freezer

Match the Rack to Your Storage Containers

Start with what you need to store. The Argos racks are specified for 2-inch boxes, one Cole-Parmer rack is for 15 mL centrifuge tubes, and the other Cole-Parmer rack is for 96- or 384-well microtiter plates. These formats are not interchangeable, so confirm that your containers match the rack’s intended use.

Measure the Freezer and Access Path

Compare the rack’s width, height, and front-to-back length with the space where you plan to keep it. Also check the route into the freezer, including the door opening and shelf clearance. The Argos models list all three dimensions, as does the microtiter plate rack. The tube rack’s supplied details give only its height, so ask for its full dimensions before relying on a fit.

Choose Capacity Based on How You Store Items

Compare the stated capacity with the number and type of containers you actually use. The RF442A has sixteen box spaces, while the RD342A has twelve. The tube rack holds 120 15 mL tubes. The plate rack’s capacity changes depending on whether the plates have lids, so use the appropriate figure for your setup.

Consider How You Need to Access Stored Items

A drawer design can be useful when you want separate sections for tube storage, while a fixed box rack offers a set arrangement for sample boxes. The plate rack includes locking rods to help keep plates in place. Think about how you organize samples and how much room you have to pull out a drawer or handle the rack.

Check Construction and Identification Features

Both Argos models and the microtiter plate rack are specified as corrosion-resistant stainless steel. The Argos racks include handles and identification card holders; the plate rack has handles on both ends. The tube rack is described as stainless steel, but the supplied details do not list identification holders or full dimensions.

Verify Current Listing Details

Product availability and listing details can change. Before ordering, confirm that the rack is available and that its current specifications still match your freezer, containers, and storage needs. This is especially important for the tube rack, since its full footprint is not included in the supplied product information.

Frequently Asked Questions

Are these racks suitable for a household upright freezer?

These products are described for laboratory storage, including sample boxes, centrifuge tubes, and microtiter plates. They are not general-purpose food freezer racks. Check the intended container type and dimensions before considering one for any other use.

What is the difference between the two Argos racks?

The RF442A holds sixteen 2-inch boxes in a 4 × 4 layout and measures 21⅝ inches front to back. The RD342A holds twelve boxes in a 3 × 4 layout and measures 16½ inches front to back. Both are 5½ inches wide and include handles and identification card holders.

Can I use the Cole-Parmer tube rack for 50 mL tubes?

The supplied product details identify it as a rack for 15 mL centrifuge tubes. They do not confirm compatibility with 50 mL tubes, so do not assume those will fit without checking with the seller.

How many microtiter plates fit in the Cole-Parmer plate rack?

The stated capacity is 56 plates with lids or 64 without lids. Use the capacity that matches how your plates will be stored.

What should I measure before ordering a freezer rack?

Measure the available freezer space in three directions and check the door opening and shelf clearance. Then compare those measurements with the rack’s listed dimensions and confirm that your boxes, tubes, or plates are compatible.

Do these racks include labels?

The two Argos models include identification card holders. The supplied details for the Cole-Parmer racks do not list identification card holders.

Final Recommendation

Choose by container type first, then confirm the rack’s dimensions against your freezer. The Argos RF442A is the higher-capacity option for 2-inch boxes, while the RD342A has a shorter listed front-to-back dimension. For tubes, the two-drawer Cole-Parmer rack is specified for 15 mL centrifuge tubes; for plates, the other Cole-Parmer model provides separate capacities for lidded and lid-free storage. Check the listing for current availability and verify any missing measurements before ordering.

Author

  • Emily

    Emily is the editor of YourModernLiving, where she helps readers make informed decisions about home, kitchen, family, and everyday products. She focuses on researching product features, comparing available options, and creating practical buying guides to help readers find products that suit their needs, preferences, and budgets.

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