Best Overarm Dust Collector: SawStop TSA-ODC Wins

The best overarm dust collector for most cabinet shops is the SawStop TSA-ODC Over-Arm Dust Collection Assembly, a 48-inch boom that captures blade-line dust on any SawStop T-Glide rail and mates to a 4-inch port through the Y-piece. If you already own that boom or run a non-SawStop saw, the wider question is what supports the hood, and that flips the pick to a wall-mount collector or a cyclone separator instead.

Overarm dust collector picks at a glance

What counts as an overarm dust collector?

An overarm dust collector is the hood, arm, and ductwork that hangs above a table saw blade and catches the dust the blade throws upward. It is not the collector motor. It is not a shop vac. The boom pivots out of the way for crosscuts, drops back over the blade for ripping, and joins the below-table port through a Y-piece so one hose does both jobs.

That definition matters for this roundup because the search for the best overarm dust collector returns a mix of true overarm assemblies and general dust collection gear. Amazon's index is loose here: only two picks in this set are actual overarm booms, and one of those is an aftermarket copy of the SawStop part. The other three are the pieces that sit behind an overarm hood, which is why the modifier only partly matches what you will find on the results page.

I have flagged each pick's type in the table so you can see, at a glance, whether it goes above your blade or behind it.

How I screened this shortlist

I started with what an overarm dust collector actually has to do: reach across a rip fence, capture upward-thrown dust at the tooth line, and hand off airflow to a main collector. That gave me three questions to score every listing against.

1. Does it mount over a table saw blade? Two picks in this set do: the SawStop TSA-ODC and the AMPLIPHASE copy.
2. Does it supply the airflow that hood needs? The VEVOR wall-mount collector is the only pick here with a published CFM figure, at a claimed 560 CFM.
3. Does it fix the weak link in a typical setup? The Dustopper PRO cyclone and the SawStop CNS-DCP panel do that job: one saves the vacuum filter from clogging, the other completes the overarm plumbing.

The criteria are weighted in that order. A true overarm boom outranks a support piece, but a support piece with published specs outranks an overarm boom with none.

• Cut on data thinness: the AMPLIPHASE listing carries no specs table.
• Cut on category fit: none of the picks were cut on category, but three sit adjacent to the true overarm category rather than in it.
• Kept because it changes the shop math: the Dustopper cyclone, which is technically a separator, not a hood.

1. SawStop TSA-ODC Over-Arm Dust Collection Assembly — Best overall

A true 48-inch overarm boom built for the exact saw most cabinet shops already own, with the Y-port that unifies above and below-table pickup.

Best for: SawStop Contractor Saw owners who want above-blade capture without cobbling a shop-built arm Skip it if: you do not own a SawStop with a T-Glide rail

This is the only pick in the set that is unambiguously an overarm dust collector by design and by fit. SawStop lists it as compatible with the 36-inch and 52-inch Contractor Saws and with every T-Glide rail system, so if that badge is on your saw, the assembly bolts on where the engineers meant it to. The boom itself measures 48 x 5 x 13.8 in and weighs 13.5 lb, which is why it needs the T-Glide rail rather than a shop wall to carry it.

The Y-port claim is the reason this pick wins on function. SawStop says a custom Y unites above and below-table dust collection into one 4-inch port, so one hose from your collector does both jobs. Two caveats sit on the listing itself: the assembly requires the SawStop Dust Collection Blade Guard, and the Y-port claim only holds if you also install the CNS-DCP panel below. That is why the panel is the next pick, not a footnote.

Trade-off against the rest of this set: it is the second-most expensive here and the least useful outside its ecosystem.

Pros:

• Purpose-built for SawStop T-Glide rails
• 4-inch Y-port ties above and below-table pickup
• Full 48-inch reach across the table
• Published one-year warranty
• Manufacturer says installation is quick

Cons:

• Locked to SawStop Contractor Saws
• Needs the CNS-DCP panel to reach its Y-port claim
• Needs the SawStop Dust Collection Blade Guard as well
• Sells slower than the budget cyclone here

2. SawStop CNS-DCP Dust Collection Panel — Best upgrade

The rear panel that turns a Contractor Saw's cabinet into a real dust box and gives the overarm boom the port it needs.

Best for: SawStop owners adding the overarm assembly, or closing the open back of a Contractor Saw Skip it if: you already have the panel installed or run a different saw

Rank two goes to the CNS-DCP because the winner does not work properly without it. SawStop's listing says the panel is required for installation of the overarm dust collection, and the reason is plumbing: the panel carries the 2.5-inch and 4-inch ports the Y-port routes into. Without it, the boom pulls dust to a saw cabinet that leaks air out of every seam.

The panel measures 5.9 x 21.6 x 17.2 in and weighs 8.3 lb, which is close to the size of the opening it covers. SawStop says its clamps make redirecting the internal tube easy, so you can switch between vacuum and collector without unbolting the panel again. It carries the same one-year warranty as the boom, and it is the cheapest of the two SawStop pieces here.

Trade-off against the rest of this set: on its own, it does nothing above the blade. It is a support piece, ranked here because it is the piece the winner depends on and because it is the second-cheapest of the five.

Pros:

• Required companion to the overarm assembly
• Both 2.5 in and 4 in ports on one panel
• Quick-clamp routing between hoses
• One-year warranty published
• Straightforward install on the Contractor Saw

Cons:

• Not an overarm collector on its own
• SawStop-only fitment
• Adds a second purchase to complete the boom
• Sells slowly compared with generic vacuum accessories

3. AMPLIPHASE TSA-ODC 82 in Over-Arm Assembly — Best premium

An aftermarket boom listed as fitting the SawStop TSA-ODC pattern, sold at the top of this set's price range.

Best for: buyers who want a listed SawStop-compatible overarm alternative and have already checked fit Skip it if: you need published specifications before you spend real money

The AMPLIPHASE is the second true overarm boom in this shortlist and the most expensive pick here. The listing title gives dimensions of 82 x 1.5 x 44 in and says the part is intended for the SawStop TSA-ODC, which reads as a same-pattern replacement rather than a redesign. Beyond that, the listing carries no specs table, no material call-out, no weight, and no warranty statement, so most of what a buyer needs to compare against the genuine SawStop part is missing.

Feature copy on the listing runs to broad language: versatile, durable, precise, compact, universally compatible. Those are the manufacturer's words, not a spec sheet, and I would not price a decision on them. What the listing does establish is category (overarm assembly) and target saw (SawStop). If your own SawStop was bought without the factory boom and you have already confirmed fit against your rail, this becomes an option worth pricing against the OEM.

Trade-off against the rest of this set: the highest price position with the thinnest published data, which is why it lands third rather than second.

Pros:

• Listed as fitting the SawStop TSA-ODC pattern
• Long boom footprint on the listing
• One of only two true overarm assemblies in this set
• Aftermarket alternative to the OEM part

Cons:

• No published weight, warranty, or materials
• Feature copy is generic marketing language
• Highest price position in this shortlist
• Fit should be confirmed with the seller before you commit

4. VEVOR 1 HP Wall Mount Dust Collector — Best minimal setup

A wall-hung collector that supplies the airflow an overarm hood needs, without giving up floor space to a barrel unit.

Best for: small shops that need a wall-mount collector feeding an existing overarm hood Skip it if: you want the hood itself, not the collector behind it

The VEVOR is the only pick here with a published airflow figure, and airflow is what an overarm boom actually needs. VEVOR claims 560 CFM from a 1 HP induction motor, a 21-gallon non-woven bag, and 2.5-micron filtration. Those are the manufacturer's numbers, not measured in a lab, but they are the numbers on the box, and they are enough to size hose and gates against.

Physical footprint is the argument for a wall-mount over a barrel collector. The unit measures 15.8 x 40.9 x 13.8 in and weighs 24 lb, so it hangs on a stud wall rather than eating the corner of the shop. Feature copy calls out a bottom zipper on the bag for cleanup, which is the detail that decides whether you empty it once a week or once a month.

Trade-off against the rest of this set: it is not an overarm hood. It sits at mid price and does the job of the motor behind whatever hood you already own or build. Pair it with a real overarm boom and you have a working system; buy it alone and you still need the arm.

Pros:

• 560 CFM airflow claim, the only CFM figure in this set
• 2.5-micron bag filtration claim
• Wall mount saves shop floor space
• Zippered bag bottom for cleanup

Cons:

• Does not mount over the blade
• No published warranty on the listing
• Filtration is by bag, not cartridge
• Only one seller lists it

5. Dustopper PRO Cyclone Dust Separator — Best budget pick

Not an overarm at all: a cyclone that drops chips into a 5-gallon pail before they reach your vacuum filter.

Best for: shop-vac users who want cyclone separation ahead of the filter Skip it if: you already run a full 4-inch dust collection line to your saw

The Dustopper is the cheapest pick in the set and the one buyers here choose most often by a wide margin. It is a cyclone separator, not a hood: 7 in tall with a 2.25 in wide port, weighing 3.59 lb, sitting on top of a standard 5-gallon pail using a preinstalled EPDM gasket. Dust goes in the elbow, spins down into the pail, and only the fines carry on to the vacuum.

Dustopper cites third-party testing by Aerodyne Environmental for its efficiency claim against other low-profile separators, and the listing includes two high-flow sweep elbows in the box. The saving is on filters and bags rather than on suction: if 95 percent of the chips never touch your cartridge, that cartridge lasts a season instead of a weekend.

Trade-off against the rest of this set: the 2.25 in port ties this to shop-vac hoses, not the 4 in ducts a serious overarm hood wants. That is a real limit, but it is also why it costs a fraction of the other picks.

Pros:

• Cheapest pick in this shortlist
• The one buyers here reach for most often
• Third-party efficiency testing cited on the listing
• Two sweep elbows included
• Preinstalled gasket for standard 5-gallon pails

Cons:

• Not an overarm dust collector
• 2.25 in port limits it to shop-vac territory
• No warranty listed
• Wrong tool for a full 4 in dust line

Which pick fits which saw?

The single question that decides most of this category is what saw you own, so here is the map.

• SawStop Contractor Saw with T-Glide rails, no factory boom yet. Buy the SawStop TSA-ODC as the best overarm dust collector for that saw, and add the CNS-DCP panel in the same order so the Y-port has somewhere to go.
• SawStop Contractor Saw with the boom already installed, but the below-table dust is leaking everywhere. You only need the CNS-DCP panel. The boom is already doing its job above.
• SawStop, but the OEM boom is out of stock or you want to price a copy. The AMPLIPHASE listing is your other overarm option, provided you check fitment with the seller first because the listing does not publish enough spec detail to confirm it from the page.
• Non-SawStop cabinet saw with a shop-built or aftermarket hood over it. The VEVOR wall-mount collector is the airflow behind that hood. You are not buying an overarm boom, you are buying the motor that feeds one.
• Any saw, using a shop vac, no overarm boom. The Dustopper PRO does not sit above the blade, but it saves the vacuum filter from clogging every afternoon.

What the listings do not tell you

Three things a buyer of the best overarm dust collector should know that no product page states outright.

The overarm boom does not do the whole job on its own. It captures dust the blade throws upward, which is most of the fine airborne stuff, but the majority of chips still fall inside the saw cabinet. You need both pickup points ducted or you are only solving half the problem. This is why the SawStop system uses a Y-port and why the CNS-DCP panel is a required companion, not a nice-to-have.

CFM at the collector is not CFM at the hood. Every 4-inch to 2.5-inch reducer, every 90-degree elbow, every flexible hose run costs airflow. A collector rated at 560 CFM at its own inlet will deliver less than that at the tip of a 10-foot flex line ending in a boom hood. Short runs, sweeping elbows, and rigid pipe where you can are worth more than a bigger motor.

Blade guard interaction is the detail that trips people up. The SawStop TSA-ODC listing says outright that it requires the SawStop Dust Collection Blade Guard, and generic overarm booms need their own guard clearance thought through. Measure your riving knife height and blade guard geometry before you order.

SawStop TSA-ODC vs a wall-mount collector

These two picks answer different questions, and buyers regularly conflate them. Here is the split in one place.

The SawStop TSA-ODC is a hood. It is the physical shroud and boom that hangs above the blade and collects dust at the source. It has no motor and no filter. It is 48 inches long, weighs 13.5 lb, and mounts to a T-Glide rail. It only makes sense on a SawStop saw.

The VEVOR wall-mount is a collector. It is the 1 HP motor, the 2.5-micron bag, and the 21-gallon capacity that pulls air through whatever hood you have and drops chips into a bag. It is 40.9 in long, weighs 24 lb, and mounts to a wall. It does not care what saw you own.

A complete system uses one of each. If you have to pick just one right now, buy the piece you are missing. Most shops end up with a collector already and no overarm capture, which is why the boom is the winner in this roundup and the collector is the second decision, not the first.

The verdict

The SawStop TSA-ODC Over-Arm Dust Collection Assembly is the best overarm dust collector in this set for a specific and common reader: a woodworker who owns a SawStop Contractor Saw and has stopped tolerating the plume of fine dust above the blade. The 48-inch boom, the 4-inch Y-port through the CNS-DCP panel, and the T-Glide fitment mean you are installing an engineered system, not improvising one.

Two conditions flip the pick. If you are not on a SawStop, none of the true overarm hoods in this shortlist help you, and the VEVOR wall-mount collector becomes the right buy because it is the piece you need behind whatever shop-built or aftermarket hood covers your blade. If your dust problem is not the blade line at all but a shop vac choking on chips, the Dustopper PRO cyclone solves that for a fraction of the money and is the one buyers here reach for most often.

Runner-up in the SawStop lane is the CNS-DCP panel, but only as a companion buy: it earns its rank because the winner depends on it, not because it works alone.

FAQ

Is an overarm dust collector worth it?

An overarm dust collector is worth it if you are cutting sheet goods or hardwoods often enough that fine dust above the blade is what you notice, not chip volume below. The boom catches the airborne fraction that below-table pickup misses, and that fraction is the one your lungs care about. For a saw used a few hours a month on softwoods, the payback is slower.

Can I use the SawStop TSA-ODC on a non-SawStop saw?

Using the SawStop TSA-ODC on a non-SawStop saw is not what the assembly is built for. The listing states compatibility with the 36-inch and 52-inch SawStop Contractor Saws and all SawStop T-Glide rail systems, and the mounting geometry is tied to those rails. A different saw brand needs a different overarm boom, a shop-built arm, or a ceiling-mounted alternative.

What CFM does an overarm dust collector need?

CFM for an overarm dust collector should come from a collector rated well above the hood's port size to survive the ducting losses. The VEVOR unit in this set claims 560 CFM from a 1 HP motor at its own inlet, which is a reasonable floor for a 4-inch overarm hood on a short run. Longer runs and more elbows push that requirement upward.

SawStop TSA-ODC or AMPLIPHASE TSA-ODC copy?

SawStop TSA-ODC or the AMPLIPHASE copy comes down to how much published data you need before you buy. The SawStop part lists weight, dimensions, warranty, and required companion parts. The AMPLIPHASE listing shows dimensions and states SawStop TSA-ODC intent, but publishes no weight, warranty, or materials. If fit is confirmed by the seller, the copy is a real alternative, otherwise the OEM is safer.

What is the biggest mistake buying an overarm dust collector?

The biggest mistake buying an overarm dust collector is treating the hood as the whole system. The boom does not include a motor, a filter, or a below-table pickup. Order it without the panel, the guard, and a collector sized to feed it, and you will run the ducting for a week before realising nothing is pulling hard enough at the blade line to matter.

Before you order the SawStop TSA-ODC, walk to your saw and check three things: that the T-Glide rail is what you have, that the SawStop Dust Collection Blade Guard is either fitted or on the same order, and that a 4-inch hose can reach the back of the cabinet without a snarl of elbows. If any of those three fail, the boom will still install, but it will not deliver the capture rate the design assumes. Get those right and this becomes the piece of shop equipment that changes what the air above your table saw looks like at the end of a cut.

Last updated: September 18, 2026. Product availability re-checked.

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