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Zyxel · Networking

GS-105B v2

5-port unmanaged Gigabit switch · metal case · ports and 9 V DC on the rear, LEDs on the front

Read the GS-105B v2 guide →

Specifications

Model width
164 mm
Model height
26 mm
Model depth
98 mm

Hardware specifications

Networking
Ethernet5 × Gigabit RJ45 (10/100/1000) · auto MDI/MDIX1
QoS ports1 high-priority (port 5) and 2 medium-priority (ports 3–4) ports1
Switching capacity10 Gbps1
MAC table2K entries1
Jumbo frames9 KB2
Energy Efficient EthernetIEEE 802.3az2
Management & software
ManagementUnmanaged (plug-and-play) · loop detection2
Power
Power inputExternal adapter, 9 V DC / 0.6 A (100–240 V AC input)1
Power consumption3.5 W max1
Physical
EnclosureMetal housing2
Dimensions164 × 98 × 26 mm (W × D × H)1
Weight369 g1
Operating temperature0 to 40 °C2
  1. manualslib.com/manual/680772/Zyxel-Communications-Gs-1…
  2. zyxelguard.com/datasheets/Switches/GS105b_108b_ds_09-1…

Specifications reviewed 2026-10-06. Hardware revisions and configurations vary; check the sources for your exact unit.

How it fits a 10-inch rack
PlacementSpaceFits
10i hex shelf · flat1U · 154 mm deep
  • T0 fits
  • T0 Plus fits
  • T1/2 Plus fits
  • T1 fits
  • T1 Plus fits
  • T2 fits
10i hex shelf · upright4U · 154 mm deep
  • T0 fits
  • T0 Plus fits
  • T1/2 Plus fits
  • T1 fits
  • T1 Plus fits
  • T2 fits

Configurator check against each catalogue rack, not a physical-fit certification. Depth uses the catalogue model; confirm cable clearance and your hardware revision.

Model & configuration

GS-105B hardware v2: 164 × 98 × 26 mm per the v2 datasheet, the same chassis as GS-108B v2 (v1 and v3 GS-105B are 121 × 75 × 26 mm). Front plate: ZyXEL wordmark, power LED and five link LEDs with boxed numbers; MED marks ports 3-4 and HIGH port 5. Rear: port 5 framed apart, ports 4-1 and a 9 V DC jack, as in the official rear render. Ports are on the rear plate; the LED plate faces the rack front. Unmanaged, fanless metal case with slanted side vents. No mount included.

Power reference

unknown
Unknown
maximum
3.5 W

Zyxel v2 datasheet maximum 3.5 W; idle is not published and falls with fewer active links (802.3az). The 9 V / 0.6 A adapter rating is not device draw.

Zyxel GS-105B v2 / GS-108B v2 specifications

Product & source links

Manufacturer specifications

3D model attribution

Creator
Minirack
Licence
Original Minirack visual reconstruction; not printable CAD