Product comparison · 2 network switches

Allied Telesis AT-x550-18XSPQm-50 Managed vs Dell S-Series S4148T-ON Managed L2/L3

27specifications compared
18differ
9identical
59known for one product only

Key differences

Basic switching RJ-45 Ethernet ports quantity
- AT-x550-18XSPQm-50 Managed:8
- S-Series S4148T-ON Managed L2/L3:48
QSFP+ module slots quantity
- AT-x550-18XSPQm-50 Managed:4
- S-Series S4148T-ON Managed L2/L3:2
Switching optical modules type
- AT-x550-18XSPQm-50 Managed:40 Gigabit Ethernet
- S-Series S4148T-ON Managed L2/L3:100 Gigabit Ethernet
MAC address table
- AT-x550-18XSPQm-50 Managed:16000 entries
- S-Series S4148T-ON Managed L2/L3:272000 entries
Switching capacity
- AT-x550-18XSPQm-50 Managed:480 Gbit/s
- S-Series S4148T-ON Managed L2/L3:1760 Gbit/s
Packet buffer memory
- AT-x550-18XSPQm-50 Managed:4 MB
- S-Series S4148T-ON Managed L2/L3:12 MB
DHCP features
- AT-x550-18XSPQm-50 Managed:DHCP client
- S-Series S4148T-ON Managed L2/L3:DHCP relay, DHCP server
Product colour
- AT-x550-18XSPQm-50 Managed:Silver
- S-Series S4148T-ON Managed L2/L3:Black

Side by side

Differences highlightedShow differences only

Comparison of AT-x550-18XSPQm-50, S4148T-ON
86 specifications	A Allied Telesis AT-x550-18XSPQm-50 Managed Model AT-x550-18XSPQm-50 View product	B Dell S-Series S4148T-ON Managed L2/L3 Model S4148T-ON View product
Management featuresidentical
Switch type	Managed	Managed
Switch layerKnown for one	Unknown — not stated by the source	L2/L3
Quality of Service (QoS) supportKnown for one	Unknown — not stated by the source	Yes
System event logKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
Basic switching RJ-45 Ethernet ports quantityDiffers	8	48
Basic switching RJ-45 Ethernet ports type	10G Ethernet (100/1000/10000)	10G Ethernet (100/1000/10000)
QSFP+ module slots quantityDiffers	4	2
Fiber ports quantityKnown for one	Unknown — not stated by the source	4
Fiber optic connectorKnown for one	Unknown — not stated by the source	QSFP28
Console portKnown for one	Unknown — not stated by the source	RJ-45/Micro-USB
QSFP28 ports quantityKnown for one	Unknown — not stated by the source	4
Power cables quantityKnown for one	Unknown — not stated by the source	2
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Power connectorKnown for one	Unknown — not stated by the source	AC-in jack
SFP+ module slots quantityKnown for one	8	Unknown — not stated by the source
Network1 differ
Networking standardsDiffers	IEEE 1588, IEEE 802.1AX, IEEE 802.1D, IEEE 802.1s, IEEE 802.1v, IEEE 802.1w, IEEE 802.1x, IEEE 802.2, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ac, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3af, IEEE 802.3an, IEEE 802.3at, IEEE 802.3az, IEEE 802.3ba, IEEE 802.3bz, IEEE 802.3x, IEEE 802.3z	IEEE 802.1D, IEEE 802.1Q, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1ab, IEEE 802.1p, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3ab, IEEE 802.3ac, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3ba, IEEE 802.3i, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z
10G support	Yes	Yes
Copper ethernet cabling technologyKnown for one	Unknown — not stated by the source	10GBASE-T
Port mirroring	Yes	Yes
Full duplexKnown for one	Unknown — not stated by the source	Yes
IPv4 routesKnown for one	Unknown — not stated by the source	200
IPv6 routesKnown for one	Unknown — not stated by the source	130
Link aggregation	Yes	Yes
VLAN support	Yes	Yes
Virtual LAN featuresKnown for one	Unknown — not stated by the source	Tagged VLAN
IP routingKnown for one	Yes	Unknown — not stated by the source
Number of VLANsKnown for one	4094	Unknown — not stated by the source
Optical fiber1 differ
Switching optical modules typeDiffers	40 Gigabit Ethernet	100 Gigabit Ethernet
Data transmission3 differ
MAC address tableDiffers	16000 entries	272000 entries
Switching capacityDiffers	480 Gbit/s	1760 Gbit/s
ThroughputKnown for one	Unknown — not stated by the source	1320 Mpps
Packet buffer memoryDiffers	4 MB	12 MB
Forwarding rateKnown for one	357.1 Mpps	Unknown — not stated by the source
Latency (10-100 Mbps)Known for one	2.3 µs	Unknown — not stated by the source
Latency (1 Gbps)Known for one	3.8 µs	Unknown — not stated by the source
Latency (10 Gbps)Known for one	3 µs	Unknown — not stated by the source
Number of queuesKnown for one	8	Unknown — not stated by the source
Jumbo frames supportKnown for one	Yes	Unknown — not stated by the source
Security1 differ
DHCP featuresDiffers	DHCP client	DHCP relay, DHCP server
Access Control List (ACL)Known for one	Unknown — not stated by the source	Yes
SSH/SSL supportKnown for one	Unknown — not stated by the source	Yes
Security algorithmsKnown for one	Unknown — not stated by the source	IPSec
BPDU filtering/protectionKnown for one	Yes	Unknown — not stated by the source
Multicast featuresidentical
Multicast supportKnown for one	Unknown — not stated by the source	Yes
Multicast MAC address tableKnown for one	Unknown — not stated by the source	272 entries
Protocolsidentical
Management protocolsKnown for one	Unknown — not stated by the source	CLI, SNMP, REST, API’s
Design1 differ
Rack mountingKnown for one	Unknown — not stated by the source	Yes
Stackable	Yes	Yes
Form factorKnown for one	Unknown — not stated by the source	1U
Product colourDiffers	Silver	Black
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Display typeKnown for one	Unknown — not stated by the source	LED
Number of fansKnown for one	Unknown — not stated by the source	4 fan(s)
SafetyKnown for one	UL, cUL, TUV	Unknown — not stated by the source
Performance1 differ
Built-in processorKnown for one	Unknown — not stated by the source	Yes
Internal memoryDiffers	1024 MB	4000 MB
List of RFCsKnown for one	Unknown — not stated by the source	IP, IPv4, IPv6, RIP, OSPF, IS-IS, BGP
Memory typeKnown for one	DDR-SDRAM	Unknown — not stated by the source
Flash memoryKnown for one	1024 MB	Unknown — not stated by the source
Noise levelKnown for one	47 dB	Unknown — not stated by the source
Export Control Classification Number (ECCN)Known for one	5A992A	Unknown — not stated by the source
Power1 differ
Power sourceKnown for one	Unknown — not stated by the source	AC
Power supply includedKnown for one	Unknown — not stated by the source	Yes
Number of power supply unitsKnown for one	Unknown — not stated by the source	2
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Power consumption (max)Differs	391 W	440 W
Power cable lengthKnown for one	Unknown — not stated by the source	2 m
Power cable connector 1Known for one	Unknown — not stated by the source	NBR14136
Power cable connector 2Known for one	Unknown — not stated by the source	C13 coupler
Power consumption (typical)Known for one	99 W	Unknown — not stated by the source
Power over Ethernet (PoE)1 differ
Power over Ethernet (PoE)Differs	Yes	No
Power over Ethernet plus (PoE+) ports quantityKnown for one	8	Unknown — not stated by the source
Power over Ethernet (PoE) power per portKnown for one	30 W	Unknown — not stated by the source
Total Power over Ethernet (PoE) budgetKnown for one	240 W	Unknown — not stated by the source
Operational conditions4 differ
Operating temperature (T-T)Differs	0 - 45 °C	5 - 40 °C
Storage temperature (T-T)Differs	-25 - 70 °C	-40 - 65 °C
Operating relative humidity (H-H)Differs	5 - 90%	5 - 85%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Heat dissipationDiffers	1334 BTU/h	1500 BTU/h
Operating altitudeKnown for one	0 - 3048 m	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	440 mm	431 mm
DepthDiffers	260 mm	457 mm
Height	44 mm	44 mm
WeightKnown for one	4.2 kg	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	RoHS	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85176990	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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