ATEN CS1844
Expert rating8.2 / 10
- Port Count:
- 4
- Video Standard:
- HDMI
- Max Resolution:
- 4K@60Hz
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Manufacturer: ATEN Last updated: September 12, 2026
ATEN CS1844 (4-Port USB HDMI KVMP Switch / 4K@60Hz / $697.33) Review
The ATEN CS1844 is a 4-port USB HDMI KVMP switch supporting 4K@60Hz 4:4:4 chroma, a 2-port USB 2.0 hub, and stereo audio switching, priced at $697.33.
The CS1844 sits at the top of ATEN's CS18xx HDMI KVMP line, pushing full 4K@60Hz with 4:4:4 chroma sampling rather than the chroma-subsampled or 30Hz-capped output cheaper switches settle for, which matters for anyone reading fine text or doing color-accurate work across four machines. Pushbutton switching on the unit plus keyboard hotkeys covers both quick manual swaps and scripted workflows, and the 2-port hub keeps a webcam or drive accessible without an external hub. Versus the ATEN CS1824 — that steps down to 4K@30Hz for meaningfully less money, worth it if smooth 60Hz motion isn't a priority. Versus the ATEN CS1842 — same generation but only 2 ports, worth it for a smaller two-machine desk.
Full 4K@60Hz 4:4:4 Across Four Machines
The CS1844 sits at the top of ATEN's CS18xx HDMI KVMP line, pushing full 4K@60Hz with 4:4:4 chroma sampling rather than the chroma-subsampled or 30Hz-capped output cheaper switches settle for, which matters for anyone reading fine text or doing color-accurate work across four machines.
Manual and Hotkey Switching
Pushbutton switching on the unit plus keyboard hotkeys covers both quick manual swaps and scripted workflows, and the 2-port hub keeps a webcam or drive accessible without an external hub.
Comparison to Alternatives
Versus the ATEN CS1824 — that steps down to 4K@30Hz for meaningfully less money, worth it if smooth 60Hz motion isn't a priority. Versus the ATEN CS1842 — same generation but only 2 ports, worth it for a smaller two-machine desk.
Specifications
Design
| Port Count | 4 |
|---|---|
| Switching Method | Pushbutton, hotkey, mouse, remote port selector, RS-232 |
Topology
| Computers Supported | 4 computers |
|---|---|
| Displays Per Computer | 2 displays |
| Total Video Inputs | 8 |
| Video Path Type | Independent heads |
| KVM Segment | Desk |
Video & Features
| Video Standard | HDMI |
|---|---|
| Max Resolution | 4096x2160 @ 60Hz |
| USB Hub Ports | 2 |
| Audio Support | Yes |
Video interface
| Video Connector | HDMI |
|---|
Per display capability
| Max Refresh At Max Resolution | 60 Hz |
|---|---|
| Max Refresh At 4K | 60 Hz |
USB peripheral switching
| USB Switching Speed | USB 3.0 5Gbps |
|---|
Switching control
| Button Switching | Yes |
|---|---|
| Hotkey Switching | Yes |
| Wired Remote Included | Yes |
| Mouse Or Cursor Switching | Yes |
| Serial Or Network Control | RS232 |
Audio
| Analog Audio Jacks | Yes |
|---|
Physical and power
| External Power Required | Yes |
|---|
In the box and price
| Video Cables Included | 8 cables |
|---|---|
| USB Host Cables Included | 4 cables |
| Price | 697.33 USD |
| Brand | ATEN |
|---|---|
| Model | CS1844 |
| Source URL | https://www.aten.com/global/en/products/kvm/desktop-kvm-switches/cs1844/ |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.2 / 10
ATEN's full-featured 4-port HDMI switch, worth the premium over the CS1824 line specifically for true 4K@60Hz 4:4:4.
Best for
- 4-machine desks needing full 4K@60Hz 4:4:4 without compression artifacts
- Users who want both physical pushbutton and hotkey switching
- Setups needing a small USB pass-through hub alongside keyboard/mouse
Not for
- Budget buyers fine with 4K@30Hz (see the CS1824)
- Desks with only two source machines
- Anyone needing more than 4 ports
FAQs
What are the key specifications of the ATEN CS1844 (4-Port USB HDMI KVMP Switch / 4K@60Hz / $697.33)?
The ATEN CS1844 (4-Port USB HDMI KVMP Switch / 4K@60Hz / $697.33) is a KVM switch from ATEN. Key specs: Port Count 4, Switching Method Pushbutton + hotkey, Video Standard HDMI, Max Resolution 4K@60Hz (4:4:4), USB Hub Ports 2.
Who is the ATEN CS1844 (4-Port USB HDMI KVMP Switch / 4K@60Hz / $697.33) best suited to?
It suits 4-machine desks needing full 4k@60hz 4:4:4 without compression artifacts, users who want both physical pushbutton and hotkey switching, setups needing a small usb pass-through hub alongside keyboard/mouse.
What are the drawbacks of the ATEN CS1844 (4-Port USB HDMI KVMP Switch / 4K@60Hz / $697.33)?
It is a poor fit for budget buyers fine with 4k@30hz (see the cs1824), desks with only two source machines, anyone needing more than 4 ports.
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