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Adder Technology Adder ALIF1002P vs SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM: Comparison
Adder Technology Adder ALIF1002P and SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM separate most on port count: Adder Technology Adder ALIF1002P at 1, SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM at 4, 75% in favor of SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM. SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM also has the higher maximum resolution (3840x2160 vs 1920x1200). On price, SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM sits at $935.58 against $3,051.40 for Adder Technology Adder ALIF1002P.
Pick the SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM if that matters to you: higher maximum resolution (3840x2160 vs 1920x1200), so it can pass through a sharper or faster display. The SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM is also cheaper at $935.58 vs $3,051.40, so it is the better value. Match the switch's video ports to your monitor's inputs to avoid adapters.
Which is better, Adder Technology Adder ALIF1002P or SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM?
On paper, SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM has the edge on port count, at 4 vs Adder Technology Adder ALIF1002P at 1.
What is the main difference between Adder Technology Adder ALIF1002P and SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM?
The SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM is the stronger choice on paper: it has higher maximum resolution (3840x2160 vs 1920x1200), so it can pass through a sharper or faster display. It also has 3 USB hub ports to the Adder Technology Adder ALIF1002P's 2, so it can switch between more PCs.
Which is cheaper, Adder Technology Adder ALIF1002P or SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM?
SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM costs $935.58 vs $3,051.40 for Adder Technology Adder ALIF1002P at the time of our last price check.

$935.58
Consumercarts listing
@ Consumercarts listing ›Specs and benchmarks
Capability Score
- Adder Technology Adder ALIF1002P
- 6.8/10
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- 6.6/10
These are different kinds of KVM, scored on separate scales, so the two scores can't be compared directly.
Port Count
- Adder Technology Adder ALIF1002P
- 1-75%
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- 4
Displays Per Computer
- Adder Technology Adder ALIF1002P
- 1 displays
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- 2 displays
Video Standard
- Adder Technology Adder ALIF1002P
- DVI
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- DisplayPort input / HDMI output
Max Resolution
- Adder Technology Adder ALIF1002P
- 1920x1200 @ 60Hz-72%
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- 4K@30Hz per headBest
USB Hub Ports
- Adder Technology Adder ALIF1002P
- 2-33%
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- 3Best
Audio Support
- Adder Technology Adder ALIF1002P
- Yes
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- No
KVM Segment
- Adder Technology Adder ALIF1002P
- Extender
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- Secure
Max Refresh At Max Resolution
- Adder Technology Adder ALIF1002P
- 60 Hz-72%
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- 30 HzBest
USB Switching Speed
- Adder Technology Adder ALIF1002P
- USB 2.0Best
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- USB 1.1
Price
- Adder Technology Adder ALIF1002P
- 3051.40 USD
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- 935.58 USD
Brand
- Adder Technology Adder ALIF1002P
- Adder
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- SmartAVI
Model
- Adder Technology Adder ALIF1002P
- ALIF1002P
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- SDHN-4D-P
Max Resolution Per Display
- Adder Technology Adder ALIF1002P
- 1920x1200-72%
- SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
- 3840x2160Best
Which one should you pick?
Choose Adder Technology Adder ALIF1002P if you already have it on hand or find it at a lower price.
Choose SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM if you want the higher port count (4 vs 1), the higher max resolution (4K@30Hz per head vs 1920x1200 @ 60Hz) and the higher USB hub ports (3 vs 2).
Price comparison
| Retailer | Adder Technology Adder ALIF1002P | SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM |
|---|---|---|
| Consumercarts listing | $3,051.40 View on Consumercarts listing | $935.58 View on Consumercarts listing |
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 ALIF1002P
7 / 10 Expert Rating
A capable enterprise DVI network extender pair, priced for serious IP KVM matrix deployments rather than single-room extension.
SmartAVI SDHN-4D-P 4-Port Dual-Head Secure KVM
7.9 / 10 Expert Rating
A solid 4-system dual-monitor pick for facilities bridging DisplayPort source computers to an established HDMI display fleet, with CAC included.
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Compare Adder Technology Adder ALIF1002P with
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- Adder Technology Adder ALIF1002P vs ATEN KX9970FT (5K DisplayPort KVM-over-IP Transmitter, Fiber)
- Adder Technology Adder ALIF1002P vs Adder ALIF1104T (HDMI KVM-over-IP Transmitter over 1GbE)



