Product comparison · 2 network cards

Lenovo 49Y7970 network card Internal Ethernet 10000 Mbit/s vs Lenovo ES-257 Ethernet 100 Mbit/s

16specifications compared
12differ
4identical
23known for one product only

Key differences

Host interface
- 49Y7970 network card Internal Ethernet 10000 Mbit/s:PCI Express
- ES-257 Ethernet 100 Mbit/s:RS-232
Ethernet LAN (RJ-45) ports
- 49Y7970 network card Internal Ethernet 10000 Mbit/s:2
- ES-257 Ethernet 100 Mbit/s:1
Maximum data transfer rate
- 49Y7970 network card Internal Ethernet 10000 Mbit/s:10000 Mbit/s
- ES-257 Ethernet 100 Mbit/s:100 Mbit/s
Ethernet LAN data rates
- 49Y7970 network card Internal Ethernet 10000 Mbit/s:10,100,1000 Mbit/s
- ES-257 Ethernet 100 Mbit/s:10,100 Mbit/s
Internal
- 49Y7970 network card Internal Ethernet 10000 Mbit/s:Yes
- ES-257 Ethernet 100 Mbit/s:No
Storage temperature (T-T)
- 49Y7970 network card Internal Ethernet 10000 Mbit/s:-20 - 65 °C
- ES-257 Ethernet 100 Mbit/s:-20 - 85 °C
Width
- 49Y7970 network card Internal Ethernet 10000 Mbit/s:69 mm
- ES-257 Ethernet 100 Mbit/s:101 mm
Depth
- 49Y7970 network card Internal Ethernet 10000 Mbit/s:168 mm
- ES-257 Ethernet 100 Mbit/s:100 mm

Side by side

Differences highlightedShow differences only

Comparison of 49Y7970, ES-257
39 specifications	A Lenovo 49Y7970 network card Internal Ethernet 10000 Mbit/s Model 49Y7970 View product	B Lenovo ES-257 Ethernet 100 Mbit/s Model ES-257 View product
Ports & interfaces2 differ
Connectivity technology	Wired	Wired
Host interfaceDiffers	PCI Express	RS-232
Interface	Ethernet	Ethernet
Ethernet LAN (RJ-45) portsDiffers	2	1
Network3 differ
Maximum data transfer rateDiffers	10000 Mbit/s	100 Mbit/s
Networking standardsDiffers	IEEE 1588, IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1p, IEEE 802.3ad, IEEE 802.3x	IEEE 802.3, IEEE 802.3u
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100BaseT(X)
Web-based managementKnown for one	Unknown — not stated by the source	Yes
Supported network protocolsKnown for one	Unknown — not stated by the source	ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, HTTP, RFC2217
iSCSI supportKnown for one	No	Unknown — not stated by the source
Design2 differ
InternalDiffers	Yes	No
Product colourDiffers	Black, Green, Stainless steel	Black, Yellow
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
ChipsetKnown for one	Intel® X540-T2	Unknown — not stated by the source
Compatible productsKnown for one	x3250 M6, x3550 M5, x3650 M5, x3850 X6/x3950 X6, nx360 M5, x3100 M5, x3250 M5, x3500 M5, x3550 M5, x3650 M5,	Unknown — not stated by the source
Poweridentical
Output voltageKnown for one	Unknown — not stated by the source	5 V
Power consumption (typical)Known for one	Unknown — not stated by the source	0.92 W
System requirements1 differ
Windows operating systems supportedDiffers	Yes	Windows 2000, Windows 2000 Professional, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8 Enterprise, Windows Vista Business, Windows Vista Business
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 55 °C	0 - 55 °C
Storage temperature (T-T)Differs	-20 - 65 °C	-20 - 85 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensions3 differ
WidthDiffers	69 mm	101 mm
DepthDiffers	168 mm	100 mm
HeightDiffers	15 mm	26 mm
WeightKnown for one	Unknown — not stated by the source	234 g
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	170 mm
Package depthKnown for one	Unknown — not stated by the source	235 mm
Package heightKnown for one	Unknown — not stated by the source	62 mm
Package weightKnown for one	Unknown — not stated by the source	515 g
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Other featuresidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u
Flow control supportKnown for one	Unknown — not stated by the source	Yes
Link/Act LEDKnown for one	Unknown — not stated by the source	Yes
Supported data transfer ratesKnown for one	Unknown — not stated by the source	10 Mbit/s
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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