Product comparison · 2 network cards

Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s vs QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s

12specifications compared
5differ
7identical
15known for one product only

Key differences

The QNAP QXG-25G2SF-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). The QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s has 16.7 mm more depth than the Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s (186 mm vs 169.3 mm). Interface: Ethernet on the Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s, Fiber on the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s. Product colour: Green on the Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s, Silver, Dark Green on the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s.

Interface
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:Ethernet
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:Fiber
Maximum data transfer rate
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:25 Mbit/s
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:25000 Mbit/s
Product colour
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:Green
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:Silver, Dark Green
Depth
- 4XC1U87489 network card Internal Ethernet 25 Mbit/s:169.3 mm
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:186 mm

Side by side

Differences highlightedShow differences only

Comparison of 4XC1U87489, QXG-25G2SF-BCM
27 specifications	A Lenovo 4XC1U87489 network card Internal Ethernet 25 Mbit/s Model 4XC1U87489 View product	B QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s Model QXG-25G2SF-BCM View product
Ports & interfaces1 differ
Connectivity technology	Wired	Wired
Host interface	PCI Express	PCI Express
InterfaceDiffers	Ethernet	Fiber
Fiber optic connector	SFP28	SFP28
Fiber ports quantity	2	2
PCI version	4.0	4.0
PCI Card form factorKnown for one	Unknown — not stated by the source	Full-height (low-profile)
Network2 differ
Maximum data transfer rateDiffers	25 Mbit/s	25000 Mbit/s
Networking standardsDiffers	IEEE 802.3, IEEE 802.3ae	IEEE 802.3az, IEEE 802.1Q, IEEE 802.3x, IEEE 802.1p, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.1as
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
LAN controllerKnown for one	Unknown — not stated by the source	Broadcom BCM57502
Design1 differ
Internal	Yes	Yes
Component for	Server/workstation	Server/workstation
Product colourDiffers	Green	Silver, Dark Green
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 & dimensions1 differ
WidthKnown for one	120 mm	Unknown — not stated by the source
DepthDiffers	169.3 mm	186 mm
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

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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