VG3456CA or Dell U3425WE - which should you buy?

Both are 34-inch ultrawide dock monitors; the Dell adds Thunderbolt 4 and a higher refresh on the newer generation, while the ViewSonic counters at a meaningfully lower price with the same one-cable formula. Value-first desks take the ViewSonic. Compare both on Shopfox.

What does the VG3456CA dock include?

The full set: USB-C with up to 90W power delivery for the laptop, downstream USB ports for peripherals, Ethernet for wired networking, and DisplayPort daisy-chain to a second monitor — the complete one-cable desk. Verify dock function on arrival. Compare VG3456CA listings on Shopfox.

How much does the VG3456CA cost?

The VG3456CA currently lists at $551.99 on Shopfox — competitive for 34-inch ultrawide dock monitors with 90W charging, undercutting the big-brand equivalents. Dock-monitor pricing holds steadier than gaming tiers. Check the price history on Shopfox before buying. See current offers and price history on Shopfox before committing.

ViewSonic VG3456CA Monitors Price Comparison

Name: ViewSonic VG3456CA Monitors
Brand: ViewSonic

ViewSonic VG3456CA Monitors

$499.99$589.68(15.21% off)

Prices last updated Sep 22, 2026

ViewSonic0.70.7

(188 reviews)

$499.99$589.68(15.21% off)

Prices last updated Sep 22, 2026

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4 sellers & 4 platforms

Platform	Merchant	Delivery	Return Policy	Price	Shipping
OfficeNation, Inc.Premium Curated	OfficeNation, Inc. 5.0(39)	2 - 3 days	30 days re...	$499.99	Free
B&H Photo Video	B&H Photo Video 5.0	—	Free retur...	$499.99	Free
Newegg	Newegg 5.0(1082475)	2 - 4 days	14 days re...	$546.99	Free
bestbuy.com	bestbuy.com 5.0	7 days	Most items...	$578.99	Free

OfficeNation, Inc.

Premium Curated

$499.99

OfficeNation, Inc.5.0 (39)Free

2 - 3 days30 days re...

B&H Photo Video

$499.99

B&H Photo Video5.0Free

Free retur...

Newegg

$546.99

Newegg5.0 (1082475)Free

2 - 4 days14 days re...

bestbuy.com

$578.99

bestbuy.com5.0Free

7 daysMost items...

Cash Back

9 sites · 12 platforms · 59 offers

Cash Back

9 sites · 12 platforms · 59 offers

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Price History

Historical price trends tracked across multiple e-commerce platforms

eBay

Best Buy

Avg

Best price

Lowest in 30d

$499.99

Best price

BH · Sep 16

Live

Current lowest

$499.99

Live

BH · Current

Specifications

Curved

Side-by-Side Comparison

6 similar products · scroll horizontally to browse

This Product

ViewSonic VG3456CA Monitors

0.7(188)

$499.99

—

Avg 0

1.Built around a 100W USB-C hub and Ethernet, this ultrawide simplifies your desk with a single-cable setup for laptop charging, data, and wired network.

2.The 34-inch curved VA panel delivers wide-screen immersion for productivity and media.

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Remote workersHome office users

Single-cable dockingMultitasking across multiple windows

34"

3440x1440

100Hz

21:9

not specified

HDMI, DisplayPort, USB-C, USB-A, Ethernet, audio

3000:1

not specified

Curved

—

Best 240Hz Value

Samsung LS27BG402E Monitors

4.8(17.7K+)

$179.99

Value 1080p 75Hz Focus

HP M22f Monitors

3.6(14.2K+)

$67.15 - $70.00

Best 32" 4K

Samsung U32J590 Monitors

4.4(18.7K+)

$289.00

Best Value 165Hz Ultrawide

Samsung LC34G55TWW Monitors

4.5(16.8K+)

$349.98 - $658.90

Value 100Hz VA Focus

Samsung LS34C502GA Monitors

4.3(12.2K+)

$209.99

Avg 4.4

Avg 4.2

Avg 3.9

1.The 240Hz refresh rate and 1ms response time eliminate motion blur for ultra-smooth competitive gameplay.

2.At $179.99, this monitor delivers premium high-refresh performance at a budget-friendly price.

1.At just $79, this 21.5-inch IPS monitor delivers crisp 1080p resolution with 75Hz refresh and AMD FreeSync, making it an outstanding value for casual gaming and everyday use.

2.Its HP Eye Ease low-blue-light and anti-glare screen ensure comfortable viewing, and the easy setup gets you up and running in minutes.

1.The 32-inch 4K VA panel delivers deep blacks and vibrant colors with a 3000:1 contrast ratio, perfect for enjoying high-resolution movies and games at an accessible price of $299.99.

2.Its large screen and 4K resolution provide ample workspace for productivity, while AMD FreeSync ensures smooth visuals during casual gaming.

1.A 34-inch 21:9 ultrawide with a 165Hz VA panel and 1ms response that delivers immersive gaming and sharp HDR10 visuals at a price that undercuts many rivals.

2.Ideal for gamers seeking a high-refresh ultrawide experience without overspending, backed by FreeSync Premium for tear-free gameplay.

1.The 34-inch Ultra-WQHD (3440x1440) VA panel with 100Hz refresh rate and HDR10 delivers vibrant colors and smooth motion for both gaming and work.

2.At $199.99, it offers exceptional value for an ultrawide monitor with high contrast, FreeSync, and a design praised for clarity and aesthetics.

Competitive gamersBudget-conscious gamers

Competitive gamingEsports

Budget shoppersStudents

Everyday computingCasual gaming

Home cinema fansProductivity users

Watching high-resolution videoDesktop multitasking

GamersValue-conscious shoppers

Competitive gamingImmersive ultrawide gaming

Budget gamersProductivity users

Immersive ultrawide gamingProductive multitasking

27"

21.5"

32"

34"

1920x1080

3840x2160

3440x1440

240Hz

not specified

60Hz

165Hz

100Hz

16:9

21:9

Black

not specified

Black

IPS

not specified

—

HDMI, VGA

1 x DisplayPort 1.2, 1 x HDMI 1.4, 1 x HDMI 2.0

HDMI, DisplayPort, Headphone

1000:1

3000:1

2500:1

3000:1

not specified

Odyssey G5

not specified

—

Samsung

not specified

—

Laptops, Desktops, Gaming Consoles, Cameras

—

not specified

—

Rectangular

—

Curved

—

not specified

—

1 Count

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1 Count

ViewSonic VG3456CA Monitors

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Compare prices for ViewSonic VG3456CA Monitors

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General1

Display14

Connectivity6

Dimensions9

Features1

Audio1

Battery1

Included1

Other1

All-in-One Comparison

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Cash Back

Price History

Specifications

General1

Display14

Connectivity6

Dimensions9

Features1

Audio1

Battery1

Included1

Other1