Dell 405-AANN RAID controller PCI Express x8 3.0 1.2 Gbit/s vs Dell PERC H840

Comparison of 405-AANN, PERC H840

17 specifications	A Dell 405-AANN RAID controller PCI Express x8 3.0 1.2 Gbit/s Model 405-AANN View product	B Dell PERC H840View product
Ports & interfacesidentical
Supported storage drive interfaces	SAS	SAS
Host interface	PCI Express x8	PCI Express x8
PCI Express slots version	3.0	3.0
Internal mini-SAS ports	2	2
Performance1 differ
RAID levels	0, 1, 5, 6, 10, 50, 60	0, 1, 5, 6, 10, 50, 60
Data transfer rate	1.2 Gbit/s	1.2 Gbit/s
SSD support	Yes	Yes
Number of devices supported	255	255
Compatible productsDiffers	- PowerEdge R640 - PowerEdge R740 - PowerEdge R740XD - PowerEdge R440 - PowerEdge R540 - PowerEdge C4140 - PowerEdge R6415 - PowerEdge R7415 - PowerEdge R840 - PowerEdge R940xa - PowerEdge R740xd2 - PowerEdge R6515 - PowerEdge R7515	- PowerEdge R7415 - PowerEdge R640 - PowerEdge R740 - PowerEdge R840 - PowerEdge R440 - PowerEdge T640 - PowerEdge R540 - PowerEdge T440 - PowerVault NX3240 - PowerEdge R740xd2 - PowerEdge R740XD - PowerEdge R940 - PowerEdge R7425 - PowerEdge R940xa
Processoridentical
Built-in processor	Yes	Yes
Processor family	LSI	LSI
System requirementsidentical
Linux operating systems supported	Yes	Yes
Server operating systems supported	Windows Server 2012, Windows Server 2016	Windows Server 2012, Windows Server 2016
Weight & dimensionsidentical
Width	167.6 mm	167.6 mm
Depth	64.4 mm	64.4 mm
Logistics dataidentical
Harmonized System (HS) codeKnown for one	—Unknown — not stated by the source	84733080
Other featuresidentical
Dell E-Value CodeKnown for one	—Unknown — not stated by the source	405-AAMZ

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.