Product comparison · 2 network switch modules

Allied Telesis AT-XEM2-4QS network switch module 40 Gigabit Ethernet vs HP 20-port GT PoE+/4-port SFP v2 zl

4specifications compared
4differ
0identical
16known for one product only

Key differences

The HP 20-port GT PoE+/4-port SFP v2 zl has 130 g more weight than the Allied Telesis AT-XEM2-4QS network switch module 40 Gigabit Ethernet (950 g vs 820 g). Ethernet interface type: 40 Gigabit Ethernet on the Allied Telesis AT-XEM2-4QS network switch module 40 Gigabit Ethernet, Gigabit Ethernet on the HP 20-port GT PoE+/4-port SFP v2 zl. Ethernet LAN data rates: 40000 Mbit/s on the Allied Telesis AT-XEM2-4QS network switch module 40 Gigabit Ethernet, 10,100,1000 Mbit/s on the HP 20-port GT PoE+/4-port SFP v2 zl. Dimensions (WxDxH): 109 x 170 x 40 mm on the Allied Telesis AT-XEM2-4QS network switch module 40 Gigabit Ethernet, 261.6 x 206.5 x 44.5 mm on the HP 20-port GT PoE+/4-port SFP v2 zl.

Ethernet interface type
- AT-XEM2-4QS network switch module 40 Gigabit Ethernet:40 Gigabit Ethernet
- 20-port GT PoE+/4-port SFP v2 zl:Gigabit Ethernet
Ethernet LAN data rates
- AT-XEM2-4QS network switch module 40 Gigabit Ethernet:40000 Mbit/s
- 20-port GT PoE+/4-port SFP v2 zl:10,100,1000 Mbit/s
Dimensions (WxDxH)
- AT-XEM2-4QS network switch module 40 Gigabit Ethernet:109 x 170 x 40 mm
- 20-port GT PoE+/4-port SFP v2 zl:261.6 x 206.5 x 44.5 mm
Weight
- AT-XEM2-4QS network switch module 40 Gigabit Ethernet:820 g
- 20-port GT PoE+/4-port SFP v2 zl:950 g

Side by side

Differences highlightedShow differences only

Comparison of AT-XEM2-4QS, 20-port GT PoE+/4-port SFP v2 zl
20 specifications	A Allied Telesis AT-XEM2-4QS network switch module 40 Gigabit Ethernet Model AT-XEM2-4QS View product	B HP 20-port GT PoE+/4-port SFP v2 zl View product
Network2 differ
Ethernet interface typeDiffers	40 Gigabit Ethernet	Gigabit Ethernet
Ethernet LAN data ratesDiffers	40000 Mbit/s	10,100,1000 Mbit/s
Copper ethernet cabling technologyKnown for one	Unknown — not stated by the source	10BASE-T, 100BASE-TX, 1000BASE-T
Full duplexKnown for one	Unknown — not stated by the source	Yes
Auto MDIX IEEEKnown for one	Unknown — not stated by the source	Yes
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Ports & interfacesidentical
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	20
SFP module slots quantityKnown for one	Unknown — not stated by the source	4
Fiber ports quantityKnown for one	4	Unknown — not stated by the source
Performanceidentical
CompatibilityKnown for one	Unknown — not stated by the source	E5400 zl/E8200 zl
Poweridentical
Power over Ethernet (PoE)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
Dimensions (WxDxH)Differs	109 x 170 x 40 mm	261.6 x 206.5 x 44.5 mm
WeightDiffers	820 g	950 g
Other featuresidentical
SFP/SFP+ slots quantityKnown for one	Unknown — not stated by the source	4
Optical fiberidentical
Fiber optic connectorKnown for one	QSFP+	Unknown — not stated by the source
Data transmissionidentical
MAC address tableKnown for one	96000 entries	Unknown — not stated by the source
Switching capacityKnown for one	2600 Gbit/s	Unknown — not stated by the source
Forwarding rateKnown for one	1905 Mpps	Unknown — not stated by the source
Number of VLANsKnown for one	4000	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	1.4 kg	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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