Product comparison · 2 network cards

QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s vs QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s

10specifications compared
5differ
5identical
7known 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 QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s (4 vs 2). Fiber optic connector: SFP28 on the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s, SFP+ on the QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s. LAN controller: Broadcom BCM57502 on the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s, Broadcom 57504 on the QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s. Component for: Server/workstation on the QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s, NAS/storage server on the QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s.

Fiber optic connector
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:SFP28
- QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s:SFP+
Fiber ports quantity
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:2
- QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s:4
LAN controller
- QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s:Broadcom BCM57502
- QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s:Broadcom 57504
Component for
- QXG-25G2SF-BCM network card Internal Fiber 25000 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 QXG-25G2SF-BCM, QXG-25G4SF-BCM
17 specifications	A QNAP QXG-25G2SF-BCM network card Internal Fiber 25000 Mbit/s Model QXG-25G2SF-BCM View product	B QNAP QXG-25G4SF-BCM network card Internal Fiber 25000 Mbit/s Model QXG-25G4SF-BCM View product
Ports & interfaces2 differ
Connectivity technology	Wired	Wired
Host interface	PCI Express	PCI Express
Interface	Fiber	Fiber
Fiber optic connectorDiffers	SFP28	SFP+
Fiber ports quantityDiffers	2	4
PCI versionKnown for one	4.0	Unknown — not stated by the source
PCI Card form factorKnown for one	Full-height (low-profile)	Unknown — not stated by the source
Network2 differ
Maximum data transfer rate	25000 Mbit/s	25000 Mbit/s
Networking standardsDiffers	IEEE 802.3az, IEEE 802.1Q, IEEE 802.3x, IEEE 802.1p, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.1as	IEEE 802.1Qbb, IEEE 802.1Qaz, IEEE 802.1Qau
LAN controllerDiffers	Broadcom BCM57502	Broadcom 57504
VLAN supportKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Internal	Yes	Yes
Component forDiffers	Server/workstation	NAS/storage server
Product colourKnown for one	Silver, Dark Green	Unknown — not stated by the source
Weight & dimensionsidentical
DepthKnown for one	186 mm	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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