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Grey ProtoArc EK01 Plus one-piece ergonomic split keyboard with backlit keys and integrated palm rest

ProtoArc EK01 Plus Ergonomic Split Keyboard (Grey)

A one-piece 117-key split-layout keyboard with a numpad, integrated palm rest, adjustable white backlight and three-device wireless connectivity.

Official documentation ↗Compare this product

Quick verdict

Buy for a dedicated desk if you want a numpad, an angled one-piece layout and an integrated rest; skip if you need movable keyboard halves or a compact footprint.

Read the analysis and buying limits

Current US price snapshot

$69.99Checked Oct 5, 2026

Amazon US: Grey; new, sold by ProtoArc and shipped by Amazon. In stock when checked; price and availability may change.

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Analysis and comparisons

Full specifications

Documented facts

Key specifications

Keyboard layout
117 keys in a fixed, one-piece split layout with a number padProtoArc
Dimensions
About 500 × 265 × 40 mm (19.69 × 10.43 × 1.57 in), per ProtoArcProtoArc
Key switches
Scissor-switch keysProtoArc
Palm rest and feet
Integrated padded palm rest and adjustable feetProtoArcThe GadgeteerErgonomie am Arbeitsplatz
Backlight
Adjustable white LED backlight; ProtoArc says it turns off after one minute without activity and cannot remain continuously litProtoArcProtoArc
Wireless connections
Two Bluetooth channels plus one 2.4GHz USB receiver, for up to three devicesProtoArc
Mac receiver compatibility
ProtoArc says some functional keys or shortcuts may not work fully through the USB receiver and recommends BluetoothProtoArc
Charging
Rechargeable internal battery via USB-C cableProtoArc
US model, color and Amazon ASIN
ProtoArc EK01 Plus, Grey; Amazon US ASIN B0DQ4T5M8CPartnerBoost
Sources (6)

Trace the evidence

Sources

Linked sources are the underlying evidence. Fit judgments and explanations marked “Our analysis” are our interpretation.

  1. Official specification

    ProtoArc · EK01 Plus - Ergonomic Split Backlit Keyboard ↗

    Accessed

  2. Official specification

    ProtoArc · FAQ - EK01 Plus / EK01 ↗

    Accessed

  3. Reviewer observation

    The Gadgeteer · ProtoArc EK01 Plus Ergonomic Split Keyboard review ↗

    Published · Accessed

  4. Reviewer observation

    Ergonomie am Arbeitsplatz · ProtoArc EK01 Plus im Test – Ergonomische Tastatur (beleuchtet) ↗

    Accessed

  5. Official specification

    PartnerBoost · ProtoArc EK01 Plus, Grey, Amazon US destination (B0DQ4T5M8C) ↗

    Accessed

  6. Official specification

    Amazon · ProtoArc EK01 Plus Ergonomic Split Keyboard (Grey): Amazon US price ↗

    Accessed