A considered comparison

Belkin Connect Thunderbolt 4 Dock vs CalDigit TS4

Compare two Thunderbolt 4 docks with similar host charging by display paths, host conditions and supplied equipment.

The decision in brief

How the options differ

Belkin documents 96 W and CalDigit 98 W host charging, and both list 2.5 Gb/s Ethernet. The more useful differences are the display arrangement, the host each feature needs and the equipment in the box.

Sources · 2026-10-11Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.

By · Published · Editorial review · Manufacturer documentation, not hands-on testing.

The buying guide

Package and specification details

Treat 96 W and 98 W as host limits

Belkin documents up to 96 W to the host from a 150 W supply; CalDigit documents 98 W from a separately rated 230 W supply. Belkin says full Thunderbolt 4 data, display and charging performance needs a Thunderbolt 4 or USB4 host. The small gap is not a measured charge time.

Sources · 2026-10-11Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.

Plan displays by operating system

Belkin’s chart allows three extended displays only with a compatible Windows PC, with two of them limited to 4K@30Hz, and at most two on macOS. Its HDMI version is listed as both 2.0 and 2.1. For TS4, use CalDigit’s host and display matrix. Count screens from the chart, not the sockets.

Sources · 2026-10-11Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.

Compare the supplied equipment

Belkin lists a 150 W power supply with a 3.3 ft power cord and a 3.3 ft Thunderbolt 4 cable. CalDigit lists an external 230 W power supply, a power cord and a 0.8 m Thunderbolt 4 cable. Confirm the US mains cord, and use a suitably rated cable if you replace the supplied one.

Sources · 2026-10-11Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.

Common questions

Does the Belkin dock support three displays on a Mac?

No. Belkin states that macOS supports up to two extended displays with this dock, and base M1, M2 and M3 Macs support one.

Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.

Evidence limits

These manufacturer specifications do not establish measured performance, noise, long-term reliability or running cost. We have not independently tested these products. Check current prices, stock and operating-space instructions with the seller and manufacturer.

Product specifications and sources

These notes apply to the starting packages. Changing a selection opens your own comparison and hides the notes that no longer apply.

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Documented specifications and exact purchase packages
Compare the detailsConnect Thunderbolt 4 Dock (US package)TS4 (US package)
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US purchase packageINC030ttSGY Gray, AMER part number, with 150 W power supply and 3.3 ft Thunderbolt 4 cable; not the older Pro Thunderbolt 4 Dock INC006; no extra display adapters assumed.

Product & sources

Exact model only. Confirm regional power accessories and any additional display adapters before buying. No stock or checkout validation.

Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
TS4; US-market package, confirm the US mains cord; no extra display adapters assumed.

Product & sources

Exact model only. Confirm regional power accessories and any additional display adapters before buying. No stock or checkout validation.

Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Where to buy

Select: INC030ttSGY Gray, AMER part number, with 150 W power supply and 3.3 ft Thunderbolt 4 cable; not the older Pro Thunderbolt 4 Dock INC006; no extra display adapters assumed.

View at Belkin — Connect Thunderbolt 4 Dock (US package); opens in a new tab

The link may open several packages. Check current price and availability with the seller. Opens in a new tab.

Select: TS4; US-market package, confirm the US mains cord; no extra display adapters assumed.

View at CalDigit — TS4 (US package); opens in a new tab

The link may open several packages. Check current price and availability with the seller. Opens in a new tab.

External ratingNot checked yet
  • 4.4 out of 5 from 156 ratings · B&H Photo · Checked October 23, 2026.
Thunderbolt 4 at up to 40 Gb/s. Belkin lists Thunderbolt 5, 4 and 3 and USB-C hosts, but full Thunderbolt 4 data, display and 96 W charging performance needs a Thunderbolt 4 or USB4 host.
Source · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Thunderbolt 4 / USB4 at up to 40 Gb/s; other host connections have feature limits.
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
96 W
Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
98 W
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Up to 96 W to the host from the supplied 150 W power supply; the supply rating is not laptop charging power. Peripheral outputs: 15 W on the downstream Thunderbolt 4 port, 30 W on the USB-C port and BC1.2 on the 10 Gb/s USB-A ports.
Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
Maximum documented host charging is 98 W; the external power supply is rated separately.
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
2.5 Gb/s
Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
2.5 Gb/s
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
A rated network link is not a measured file-transfer result; the host, driver, switch and cabling remain dependencies.
Source · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
A rated network link is not a measured file-transfer result; the host, driver, switch and cabling remain dependencies.
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Outputs: Thunderbolt 4 downstream, two DisplayPort 1.4 and one HDMI. Windows triple display runs one screen at up to 4K@60Hz and two at up to 4K@30Hz, first plugged, first served; DP 1.4 and DP 1.2 hosts are capped lower and extend only via DP #2 and HDMI. macOS supports at most two extended displays.The product-page technical specifications list HDMI 2.0, while the page FAQ and the sales sheet list HDMI 2.1; both state 4K@60Hz.
Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
Use the manufacturer host/display matrix. GPU, operating system, display mode and any adapters control the usable simultaneous arrangement.
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Not verified

We have not verified this value. It is not a confirmed no or zero. Check the original source or ask the manufacturer if it affects your choice.

No explicit built-in DisplayLink declaration or denial was verified for this exact dock. Native display guidance does not settle every optional adapter.
Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
Not verified

We have not verified this value. It is not a confirmed no or zero. Check the original source or ask the manufacturer if it affects your choice.

No explicit built-in DisplayLink declaration or denial was verified for this exact dock. Native display guidance does not settle every optional adapter.
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Belkin lists Windows, macOS and ChromeOS support. Triple displays require a compatible Windows PC. Base M1/M2/M3 Macs support one extended display; Pro/Max, M4 and M5 models support up to two.
Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
Verify the exact host port, GPU and display requirements. A USB data port on the dock is not automatically a display output.
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
External 150 W power supply with a 3.3 ft/1 m power cord; confirm the US cord.
Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
External 230 W power supply and power cord documented; confirm the US mains selection.
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Thunderbolt 4 host cable, 3.3 ft/1 m.
Sources · 2026-10-21Belkin: Connect Thunderbolt 4 Dock INC030ttSGY US product pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.Belkin: Connect Thunderbolt 4 Dock INC030 sales sheetChecked 2026-10-21. We read the original PDF on the check date.
Thunderbolt 4 host cable, 0.8 m.
Source · 2026-10-11CalDigit: TS4 specifications and packageChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Questions to check before buying

The HDMI output is listed as HDMI 2.0 in the product-page specifications and as HDMI 2.1 in the FAQ and sales sheet; both state 4K@60Hz.

This record is the Connect Thunderbolt 4 Dock INC030, not the older Pro Thunderbolt 4 Dock INC006, which has a different port set and charging rating. Display limits depend on the host and are not installed-system tests.

Read the source notes for the exact package and operating conditions.

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