Product comparison · 2 network switches

Lenovo 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black vs Lenovo ThinkSystem DB720S

20specifications compared
11differ
9identical
37known for one product only

Key differences

Switch type
- 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black:Unmanaged
- ThinkSystem DB720S:Managed
Basic switching RJ-45 Ethernet ports quantity
- 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black:24
- ThinkSystem DB720S:1
10G support
- 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black:No
- ThinkSystem DB720S:Yes
Switching capacity
- 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black:48 Gbit/s
- ThinkSystem DB720S:32 Gbit/s
Product colour
- 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black:Black
- ThinkSystem DB720S:Silver
AC input voltage
- 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black:100 - 240 V
- ThinkSystem DB720S:90 - 264 V
Storage temperature (T-T)
- 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black:-40 - 70 °C
- ThinkSystem DB720S:-25 - 70 °C
Operating relative humidity (H-H)
- 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black:10 - 90%
- ThinkSystem DB720S:8 - 90%

Side by side

Differences highlightedShow differences only

Comparison of 78157081, ThinkSystem DB720S
57 specifications	A Lenovo 78157081 network switch Unmanaged Gigabit Ethernet (10/100/1000) Black Model 78157081 View product	B Lenovo ThinkSystem DB720S View product
Management features1 differ
Switch typeDiffers	Unmanaged	Managed
Quality of Service (QoS) supportKnown for one	Yes	Unknown — not stated by the source
Web-based managementKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces1 differ
Basic switching RJ-45 Ethernet ports quantityDiffers	24	1
Basic switching RJ-45 Ethernet ports type	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet (10/100/1000)
Installed SFP modules quantityKnown for one	0	Unknown — not stated by the source
Installed SFP+ modules quantityKnown for one	0	Unknown — not stated by the source
SFP+ module slots quantityKnown for one	Unknown — not stated by the source	24
USB Type-A ports quantityKnown for one	Unknown — not stated by the source	1
Fiber optic connectorKnown for one	Unknown — not stated by the source	SFP+
Console portKnown for one	Unknown — not stated by the source	RJ-45/Mini-USB
Power connectorKnown for one	Unknown — not stated by the source	AC-in jack
Network1 differ
Networking standardsKnown for one	IEEE 802.3ab, IEEE 802.3i, IEEE 802.3u, IEEE 802.3x	Unknown — not stated by the source
10G supportDiffers	No	Yes
Full duplex	Yes	Yes
Half duplexKnown for one	Yes	Unknown — not stated by the source
Auto MDI/MDI-XKnown for one	Yes	Unknown — not stated by the source
Auto-negotiation	Yes	Yes
Flow control supportKnown for one	Yes	Unknown — not stated by the source
MAC address auto-learning supportedKnown for one	Yes	Unknown — not stated by the source
Port mirroringKnown for one	Unknown — not stated by the source	Yes
Active link detectionKnown for one	Unknown — not stated by the source	Yes
Data transmission1 differ
MAC address tableKnown for one	8000 entries	Unknown — not stated by the source
Switching capacityDiffers	48 Gbit/s	32 Gbit/s
Forwarding rateKnown for one	35.7 Mpps	Unknown — not stated by the source
Store-and-forwardKnown for one	Yes	Unknown — not stated by the source
Jumbo frames supportKnown for one	Yes	Unknown — not stated by the source
Jumbo frame rangeKnown for one	0 - 10000 B	Unknown — not stated by the source
Packet forwardingKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Rack mounting	Yes	Yes
StackableKnown for one	No	Unknown — not stated by the source
Product colourDiffers	Black	Silver
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Form factorKnown for one	Unknown — not stated by the source	1U
Performanceidentical
Maximum cable lengthKnown for one	100 m	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Noise levelKnown for one	Unknown — not stated by the source	65 dB
Power1 differ
Power source	AC	AC
Power supply included	Yes	Yes
AC input voltageDiffers	100 - 240 V	90 - 264 V
AC input frequency	50/60 Hz	50/60 Hz
Power consumption (max)Known for one	13.1 W	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	Unknown — not stated by the source	Yes
Operational conditions3 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)Differs	-40 - 70 °C	-25 - 70 °C
Operating relative humidity (H-H)Differs	10 - 90%	8 - 90%
Storage relative humidity (H-H)Differs	5 - 90%	8 - 90%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	0 - 12000 m
Weight & dimensions2 differ
WidthDiffers	294 mm	440 mm
DepthDiffers	180 mm	356 mm
Height	44 mm	44 mm
WeightKnown for one	Unknown — not stated by the source	7.17 kg
Certificatesidentical
Compliance certificatesKnown for one	CE, Federal Communications Commission (FCC), RoHS	Unknown — not stated by the source
Securityidentical
SSH/SSL supportKnown for one	Unknown — not stated by the source	Yes
Security algorithmsKnown for one	Unknown — not stated by the source	SSL/TLS, 802.1x RADIUS, SSH, TACACS+
Protocolsidentical
Management protocolsKnown for one	Unknown — not stated by the source	SSH, HTTPS, SNMP

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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