Product comparison · 2 network cards

Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s vs QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s

9specifications compared
6differ
3identical
20known for one product only

Key differences

The QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s has 2 more fiber ports quantity than the Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s (4 vs 2). The QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s has 24,975 Mbit/s more maximum data transfer rate than the Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s (25000 Mbit/s vs 25 Mbit/s). Interface: Ethernet on the Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s, Fiber on the QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s. Fiber optic connector: SFP28 on the Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s, SFP+ on the QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s. Component for: Server/workstation on the Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s, NAS/storage server on the QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s.

Interface
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:Ethernet
- QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s:Fiber
Fiber optic connector
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:SFP28
- QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s:SFP+
Fiber ports quantity
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:2
- QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s:4
Maximum data transfer rate
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:25 Mbit/s
- QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s:25000 Mbit/s
Component for
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:Server/workstation
- QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s:NAS/storage server

Side by side

Differences highlightedShow differences only

Comparison of 4XC1U87489, QXG-25G4SF-BCM
29 specifications	A Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s Model 4XC1U87489 View product	B QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s Model QXG-25G4SF-BCM View product
Ports & interfaces3 differ
Connectivity technology	Wired	Wired
Host interface	PCI Express	PCI Express
InterfaceDiffers	Ethernet	Fiber
Fiber optic connectorDiffers	SFP28	SFP+
Fiber ports quantityDiffers	2	4
PCI versionKnown for one	4.0	Unknown — not stated by the source
Network2 differ
Maximum data transfer rateDiffers	25 Mbit/s	25000 Mbit/s
Networking standardsDiffers	IEEE 802.3, IEEE 802.3ae	IEEE 802.1Qbb, IEEE 802.1Qaz, IEEE 802.1Qau
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet interface typeKnown for one	10 Gigabit Ethernet, 25 Gigabit Ethernet	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10000,25000 Mbit/s	Unknown — not stated by the source
VLAN supportKnown for one	Unknown — not stated by the source	Yes
LAN controllerKnown for one	Unknown — not stated by the source	Broadcom 57504
Design1 differ
Internal	Yes	Yes
Component forDiffers	Server/workstation	NAS/storage server
Product colourKnown for one	Green	Unknown — not stated by the source
CertificationKnown for one	FCC BSMI ICES-003 CE VCCI KCC RCM EMC CB	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	50 - 80%	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	120 mm	Unknown — not stated by the source
DepthKnown for one	169.3 mm	Unknown — not stated by the source
HeightKnown for one	12.4 mm	Unknown — not stated by the source
WeightKnown for one	164 g	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	240 mm	Unknown — not stated by the source
Package depthKnown for one	145 mm	Unknown — not stated by the source
Package heightKnown for one	52 mm	Unknown — not stated by the source
Package weightKnown for one	268 g	Unknown — not stated by the source
Packaging contentidentical
Mounting brackets includedKnown for one	Unknown — not stated by the source	Yes
Quick installation guideKnown for one	Unknown — not stated by the source	Yes

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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