Does it come with the 54v 1.25 amp adapter?

yes, it comes with the power adapter that plugs into the wall and provides POE with no other accessory's or inputs needed.

NETGEAR 8-Port PoE+ Gigabit Ethernet Plus Switch (62W)

NETGEAR 8-Port PoE+ Gigabit Ethernet Plus Switch (62W) | GS308EP

SMART MANAGED ETHERNET SWITCH: Delivers essential business networking features and powers PoE+ devices like VoIP phones, IP cameras, and more.
GIGABIT ETHERNET: 8 ports provide up to 1000 Mbps of dedicated, non-blocking bandwidth each.
PoE+ SUPPORT: 8 PoE+ ports provide a total of 62W of power so you can power and connect your devices with a single wire.
NON-BLOCKING SWITCHING: 10Gbps (10/100/1000 Mbps) line rate fabric ensures congestion-free connectivity to your devices.
MOUNTING OPTIONS: Install your switch on your desktop, or mount it to your wall or rack with the hardware provided in the box.

	GS308P	GS308EP	GS308PP	GS308EPP	GS316P	GS316EP

Customer Reviews	—	—	—	—	—	—
Price	— no data	—	—	—	—	—
# Gigabit Ethernet Ports	8 x 1G	8 x 1G	8 x 1G	8 x 1G	16 x 1G	15 x 1G
# PoE Ports	4 x PoE	8 x PoE+	8 x PoE+	8 x PoE+	16 x PoE+	15 x PoE+
PoE Total Budget	53W	62W	83W	123W	115W	180W
# SFP Fiber Ports	---	---	---	---	---	1 x 1G SFP
Management Type	Unmanaged	Easy Smart Managed Essentials	Unmanaged Essentials	Easy Smart Managed Essentials	Unmanaged Essentials	Easy Smart Managed Essentials
Management Layer	no data	L2	no data	L2	no data	L2
Advanced Network Features	no data	Basic VLAN & QoS IGMP Storm Control Auto DoS	no data	Basic VLAN & QoS IGMP Storm Control Auto DoS	no data	Basic VLAN & QoS IGMP Storm Control Auto DoS
Fanless Housing	?	?	?	?	?	?
Mounting Options	Desktop or Wall	Desktop or Wall	Desktop or Wall	Desktop or Wall	Desktop or Wall	Desktop or Wall

	GS308P	GS308EP	GS308PP	GS308EPP	GS316P	GS316EP

Customer Reviews	—	—	—	—	—	—
Price	— no data	—	—	—	—	—
# Gigabit Ethernet Ports	8 x 1G	8 x 1G	8 x 1G	8 x 1G	16 x 1G	15 x 1G
# PoE Ports	4 x PoE	8 x PoE+	8 x PoE+	8 x PoE+	16 x PoE+	15 x PoE+
PoE Total Budget	53W	62W	83W	123W	115W	180W
# SFP Fiber Ports	---	---	---	---	---	1 x 1G SFP
Management Type	Unmanaged	Easy Smart Managed Essentials	Unmanaged Essentials	Easy Smart Managed Essentials	Unmanaged Essentials	Easy Smart Managed Essentials
Management Layer	no data	L2	no data	L2	no data	L2
Advanced Network Features	no data	Basic VLAN & QoS IGMP Storm Control Auto DoS	no data	Basic VLAN & QoS IGMP Storm Control Auto DoS	no data	Basic VLAN & QoS IGMP Storm Control Auto DoS
Fanless Housing	?	?	?	?	?	?
Mounting Options	Desktop or Wall	Desktop or Wall	Desktop or Wall	Desktop or Wall	Desktop or Wall	Desktop or Wall

Format	Desktop
Standards	IEEE 802.3 Ethernet IEEE 802.3ab 1000BASE-T IEEE 802.3u 100BASE-T IEEE 802.3ab 1000BASE-T EEE 802.1p Class of Service IEEE 802.1Q VLAN Tagging IEEE 802.3x Full-duplex Flow Control IEEE 802.3af PoE IEEE 802.3at PoE+
Network Management Type	Smart

Buffer Memory	192KB
PoE	62W Budget
QoS	Yes
Layer	3
LEDs	Per port: Speed, Link, Activity, PoE Per device: Power, system, PoE Max

Dimensions	6.20" x 4.00" x 1.10"
Weight	1.08 lbs.

Temperature	Operating temperature: 32° to 104°F (0° to 40°C) Storage temperature: -4° to 158°F (-20° to 70°C)
Humidity	Operating Humidity (relative): 90% maximum relative humidity (RH), non-condensing Storage Humidity (relative): 95% maximum relative humidity (RH), non-condensing

Model
Brand	NETGEAR
Model	GS308EP-100NAS