Product comparison · 2 interface cards/adapters

QNAP QXP-1620S-B3616W interface cards/adapter Internal Mini-SAS vs QNAP QXP-820S-B3408 interface cards/adapter Internal SAS

Key differences

Output interface
- QXP-1620S-B3616W interface cards/adapter Internal Mini-SAS:Mini-SAS
- QXP-820S-B3408 interface cards/adapter Internal SAS:SAS

Differences highlightedShow differences only

Comparison of QXP-1620S-B3616W, QXP-820S-B3408
14 specifications	A QNAP QXP-1620S-B3616W interface cards/adapter Internal Mini-SAS Model QXP-1620S-B3616W View product	B QNAP QXP-820S-B3408 interface cards/adapter Internal SAS Model QXP-820S-B3408 View product
Ports & interfaces1 differ
Host interface	PCI Express	PCI Express
Output interfaceDiffers	Mini-SAS	SAS
Expansion card standard	PCIe 3.0	PCIe 3.0
Internal mini-SAS HD portsKnown for one	4	Unknown — not stated by the source
Expansion card form factorKnown for one	Unknown — not stated by the source	Low-profile
External mini-SAS portsKnown for one	Unknown — not stated by the source	2
Designidentical
Internal	Yes	Yes
Cooling typeKnown for one	Active	Unknown — not stated by the source
Number of fans	1 fan(s)	1 fan(s)
Featuresidentical
Data transfer rate (max)	12 Gbit/s	12 Gbit/s
Packaging dataidentical
Quantity	1	1
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Other featuresidentical
Connectivity technology	Wired	Wired
Interface	Fiber	Fiber

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.