Dell 405-AACW RAID controller PCI Express 3.0 vs Dell 405-AAEK RAID controller PCI Express x8 3.0

Comparison of 405-AACW, 405-AAEK

16 specifications	A Dell 405-AACW RAID controller PCI Express 3.0 Model 405-AACW View product	B Dell 405-AAEK RAID controller PCI Express x8 3.0 Model 405-AAEK View product
Ports & interfaces1 differ
Supported storage drive interfaces	SAS, Serial ATA III	SAS, Serial ATA III
Host interfaceDiffers	PCI Express	PCI Express x8
PCI Express slots version	3.0	3.0
Performance1 differ
RAID levels	0, 1, 5, 6, 10, 50, 60	0, 1, 5, 6, 10, 50, 60
Channels quantityKnown for one	—Unknown — not stated by the source	8 channels
Number of devices supportedKnown for one	—Unknown — not stated by the source	255
Compatible productsDiffers	PowerEdge R730XD PowerEdge R920 PowerEdge T630	PowerEdge R430 PowerEdge R530 PowerEdge R630 PowerEdge R640 PowerEdge R730 PowerEdge R730XD PowerEdge R740 PowerEdge R740XD
SSD supportKnown for one	No	—Unknown — not stated by the source
Processoridentical
Built-in processor	SAS 3108	SAS 3108
Processor family	LSI	LSI
System requirementsidentical
Linux operating systems supported	Yes	Yes
Server operating systems supportedKnown for one	—Unknown — not stated by the source	Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2012
Windows operating systems supportedKnown for one	Yes	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	167.6 mm
DepthKnown for one	—Unknown — not stated by the source	64.4 mm
Logistics dataidentical
Harmonized System (HS) codeKnown for one	—Unknown — not stated by the source	84733080

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.