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Adder Technology Adder AV4PRO-VGA-Quad vs J-Tech Digital JTECH-DKM21-8K: Comparison
Adder Technology Adder AV4PRO-VGA-Quad vs J-Tech Digital JTECH-DKM21-8K usb hub ports compared
Start with usb hub ports, because it is the widest measured gap between them: Adder Technology Adder AV4PRO-VGA-Quad 2 against J-Tech Digital JTECH-DKM21-8K 4, 50% in favour of J-Tech Digital JTECH-DKM21-8K. There is a split on video interface version as well, VGA on the Adder Technology Adder AV4PRO-VGA-Quad versus DisplayPort 1.4 on the J-Tech Digital JTECH-DKM21-8K.
Adder Technology Adder AV4PRO-VGA-Quad vs J-Tech Digital JTECH-DKM21-8K: which one fits your build
Buy the Adder Technology Adder AV4PRO-VGA-Quad for legacy quad-monitor trading or control-room desks still on VGA and facilities not ready to invest in digital monitor upgrades, though it is not the pick for modern digital monitor fleets (the DVI-QUAD looks sharper) and triple-monitor or smaller setups (the Triple variant is cheaper). It is equally the pick for buyers who want the maximum head count in Adder's analog line. The J-Tech Digital JTECH-DKM21-8K suits Dual-PC desks sharing one high-refresh or high-resolution monitor and users who want DisplayPort 1.4 bandwidth for 4K@240Hz or 8K@60Hz, though it is not built for setups with more than 2 source computers and HDMI-only computers or monitors (DisplayPort only). Our rating of the Adder Technology Adder AV4PRO-VGA-Quad (7/10): the most capable analog VGA option here for a legacy quad-monitor, four-computer trading desk. Our rating of the J-Tech Digital JTECH-DKM21-8K (6.2/10): an 8K DisplayPort 2-PC KVM from a smaller pro-AV integrator brand; specs are strong but independent review coverage is thinner than mainstream brands.
Adder Technology Adder AV4PRO-VGA-Quad vs J-Tech Digital JTECH-DKM21-8K price
Cost splits them too. J-Tech Digital JTECH-DKM21-8K sits at $69.99, Adder Technology Adder AV4PRO-VGA-Quad at $901, 1187% more.
Frequently asked questions
Do the Adder Technology Adder AV4PRO-VGA-Quad and J-Tech Digital JTECH-DKM21-8K differ on computers supported?
Yes. Computers Supported reads 4 computers on the Adder Technology Adder AV4PRO-VGA-Quad versus 2 computers on the J-Tech Digital JTECH-DKM21-8K.
Is the KVM Segment the same on the Adder Technology Adder AV4PRO-VGA-Quad and J-Tech Digital JTECH-DKM21-8K?
It is. Both are listed at Desk, so it is not a reason to pick one over the other.
Specs and benchmarks
Capability Score
- Adder Technology Adder AV4PRO-VGA-Quad
- 6.1/10Best
- J-Tech Digital JTECH-DKM21-8K
- 6.1/10Best
How much this switch can do, rated from its video support, monitor handling, USB speed and switching options. 10 is the most capable.
Computers Supported
- Adder Technology Adder AV4PRO-VGA-Quad
- 4 computers
- J-Tech Digital JTECH-DKM21-8K
- 2 computers
Displays Per Computer
- Adder Technology Adder AV4PRO-VGA-Quad
- 4 displays
- J-Tech Digital JTECH-DKM21-8K
- 1 displays
Switching Method
- Adder Technology Adder AV4PRO-VGA-Quad
- Front-panel buttons, keyboard hotkeys, three-button mouse, RS232 ASCII codes, optional RC4 remote
- J-Tech Digital JTECH-DKM21-8K
- Button, Wired Remote
Video Standard
- Adder Technology Adder AV4PRO-VGA-Quad
- VGA
- J-Tech Digital JTECH-DKM21-8K
- DisplayPort
USB Hub Ports
- Adder Technology Adder AV4PRO-VGA-Quad
- 2-50%
- J-Tech Digital JTECH-DKM21-8K
- 4Best
KVM Segment
- Adder Technology Adder AV4PRO-VGA-Quad
- Desk
- J-Tech Digital JTECH-DKM21-8K
- Desk
Video Interface Version
- Adder Technology Adder AV4PRO-VGA-Quad
- VGA
- J-Tech Digital JTECH-DKM21-8K
- DisplayPort 1.4
USB Switching Speed
- Adder Technology Adder AV4PRO-VGA-Quad
- USB 2.0
- J-Tech Digital JTECH-DKM21-8K
- USB 3.0 5GbpsBest
Price
- Adder Technology Adder AV4PRO-VGA-Quad
- 900.90 USD
- J-Tech Digital JTECH-DKM21-8K
- 69.99 USD
Which one should you pick?
Choose Adder Technology Adder AV4PRO-VGA-Quad if you already have it on hand or find it at a lower price.
Choose J-Tech Digital JTECH-DKM21-8K if you want the higher USB hub ports (4 vs 2).
Price comparison
| Retailer | Adder Technology Adder AV4PRO-VGA-Quad | J-Tech Digital JTECH-DKM21-8K |
|---|---|---|
| Amazon | $900.90 View on Amazon | $69.99 View on Amazon |
| Best Buy | View on Best Buy | |
| Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Adder Technology Adder AV4PRO-VGA-Quad
7 / 10 Expert Rating
The most capable analog VGA option here for a legacy quad-monitor, four-computer trading desk.
J-Tech Digital JTECH-DKM21-8K
6.2 / 10 Expert Rating
An 8K DisplayPort 2-PC KVM from a smaller pro-AV integrator brand; specs are strong but independent review coverage is thinner than mainstream brands.
Compare Adder Technology Adder AV4PRO-VGA-Quad with
- Adder Technology Adder AV4PRO-VGA-Quad vs Adder AV4PRO-VGA-Triple (4-Port / 3 Monitors / VGA Triple-Head KVM)
- Adder Technology Adder AV4PRO-VGA-Quad vs JCYMELE SW273 4K144Hz DisplayPort KVM Switch (2 PCs / 2 Monitors)
- Adder Technology Adder AV4PRO-VGA-Quad vs SIIG 4-Port HDMI 2.0 4K HDR Smart Console Switch with USB 3.0 (HDMI / 4 Computers / 4K@60Hz)
- Adder Technology Adder AV4PRO-VGA-Quad vs SmartAVI SM-EDPN-2D-S (2-Port Dual-Head DisplayPort KVM Switch)