Our take
Monoprice 133573 is identified as a folding USB-C adapter with two USB-A and two USB-C data ports. Its advertised PD ceiling is up to 100W, but neither host-delivered wattage nor the historical ASIN mapping is confirmed.
A USB-C laptop user whose main need is adding USB-A and USB-C data sockets and who does not need a confirmed display, Ethernet or card-reader path..
A setup that needs documented HDMI, Ethernet or card-reader connections, a verified current ASIN, or a guaranteed 100W laptop output.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Four data ports across USB-A and USB-C
- published speed differences by port type
- compact folding USB-C host connector
- PD support is advertised.
What to weigh up
- Historical ASIN is unverified
- no HDMI, Ethernet or card reader appears in the listed layout
- actual laptop charging wattage under load is unspecified.
Specifications and exact model details
The key details
| Model covered | 133573 |
|---|---|
| Host connector | A folding USB-C host lead is described; confirm the physical plug and case fit on the offered unit. |
| USB 3.x data ports | Two USB-A data ports are listed up to 5Gbps and two USB-C data ports up to 10Gbps. |
| Installation | A folding cabled adapter, not a model-specific fixed mount. |
| Hub power | The product description advertises PD up to 100W; host output and charger inclusion are unspecified. |
| Host charging | The source does not state how much power reaches the laptop under load. |
Performance figures are manufacturer claims. Source checked October 5, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
Pick it when the main need is extra USB-A and USB-C data sockets
Model 133573 is a USB expansion adapter built around ordinary peripheral connections: two USB-A ports and two USB-C ports. Its published ceilings differ by connector type, with the USB-C ports listed up to 10Gbps and USB-A up to 5Gbps. This makes it a better match for connecting storage and accessories than for a setup that needs HDMI, wired networking or card readers. Those functions are not in the inspected model's port list.
Use the folding host connector for a compact one-piece setup
The adapter has a folding USB-C host lead that stores against the body. That design can reduce loose cable clutter when the hub is carried with a USB-C laptop. Check how the connector aligns with the laptop's port and case before buying; the specification source does not establish clearances for every chassis or case.
Treat 100W as a product claim that needs a compatible charging path
The product specification advertises PD up to 100W for laptop charging. The available text does not state how much power reaches the computer after the adapter's own draw or when several accessories are active. Confirm the PD input/output labeling on the exact unit and use a compatible charger and cable. Do not assume the maximum is delivered to the laptop in every configuration.
Verify the listing says 133573 before ordering
The model identity and its port layout are supported, but the historical ASIN B07H471JB9 was not tied to 133573 by a readable Amazon page. The tagged link searches by the model and the historical ASIN; compare the connector arrangement and folding lead in the resulting product images. This review makes no personal-use, customer-rating or measured-speed claim.
Do not count its four data ports as a display or network dock
The inspected description is unusually focused: it documents two USB-A data ports and two USB-C data ports, with no HDMI, Ethernet or card reader in the model-specific port list. That makes the adapter a sensible candidate only when the main shortage is USB connectivity. A buyer replacing a multiport dock should compare every required function against that list instead of assuming that the folding USB-C plug means video output or that a USB-C socket supplies a monitor connection. The listed USB-C data ceiling is up to 10Gbps and USB-A up to 5Gbps, but these are interface claims, not results from a transfer test. The materials also do not provide a simultaneous-load table for using multiple fast devices. If your plan is to connect two external SSDs, check the drive interfaces and computer's own port capability, then decide whether the documented mix is sufficient. For a display or wired-network need, select a model with those functions explicitly named or plan a separate adapter. The current Amazon result is not mapped to 133573, so verify the returned model before purchasing. PD charging has a different job from file transfer, so compare its documented support separately from the four data ports. If product photos for a current offer show an additional socket that the 133573 description does not identify, pause and verify that the pictured item is the same model before treating it as part of this profile. This quick diagram check prevents a generic USB-C listing title from silently expanding the documented feature set. A listing that advertises laptop charging still needs to show how its PD input is labeled and what charger is used; the saved material does not say how much power arrives at the host during simultaneous transfers. If charging is required while storage is active, verify that arrangement for the exact 133573 offer rather than reading the 100W headline as a guaranteed result.
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Before you buy
What is model 133573?
Saved model-specific material identifies 133573 as Monoprice's folding USB-C adapter.
How many downstream USB data ports are listed?
The description lists two USB-A data ports and two USB-C data ports.
Is the historical B07H471JB9 mapping confirmed?
No; the historical ASIN was not tied to this model in a readable Amazon detail page.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- Monoprice 133573 specification description for data ports, folding lead and PD claim ↗ — checked October 5, 2026.
- Woot indexed product summary identifies the Monoprice USB-C multiport adapter and 10Gbps claim ↗ — checked October 5, 2026.
- Monoprice adapter specification description lists ports, fold-away lead and PD claim ↗ — checked October 5, 2026.
- Amazon B07H471JB9 page returned a cache miss; mapping to model 133573 is unverified ↗Paid link · We may earn a commission. — checked October 5, 2026.
Is it the right fit?
Check the exact model and today’s offers on Amazon.