Product comparison · 2 raid controllers

Dell PERC H840 vs Dell SAS6/iR RAID controller PCI Express x8

6specifications compared
5differ
1identical
17known for one product only

Key differences

The Dell PERC H840 has 245 more devices supported than the Dell SAS6/iR RAID controller PCI Express x8 (255 vs 10). Supported storage drive interfaces: SAS on the Dell PERC H840, SAS, Serial ATA on the Dell SAS6/iR RAID controller PCI Express x8. RAID levels: 0, 1, 5, 6, 10, 50, 60 on the Dell PERC H840, 0, 1 on the Dell SAS6/iR RAID controller PCI Express x8. Built-in processor: Yes on the Dell PERC H840, ARM on the Dell SAS6/iR RAID controller PCI Express x8.

Supported storage drive interfaces
- PERC H840:SAS
- SAS6/iR RAID controller PCI Express x8:SAS, Serial ATA
RAID levels
- PERC H840:0, 1, 5, 6, 10, 50, 60
- SAS6/iR RAID controller PCI Express x8:0, 1
Number of devices supported
- PERC H840:255
- SAS6/iR RAID controller PCI Express x8:10
Built-in processor
- PERC H840:Yes
- SAS6/iR RAID controller PCI Express x8:ARM

Side by side

Differences highlightedShow differences only

Comparison of PERC H840, SAS6/iR
23 specifications	A Dell PERC H840 View product	B Dell SAS6/iR RAID controller PCI Express x8 Model SAS6/iR View product
Ports & interfaces1 differ
Supported storage drive interfacesDiffers	SAS	SAS, Serial ATA
Host interface	PCI Express x8	PCI Express x8
PCI Express slots versionKnown for one	3.0	Unknown — not stated by the source
Internal mini-SAS portsKnown for one	2	Unknown — not stated by the source
Performance3 differ
RAID levelsDiffers	0, 1, 5, 6, 10, 50, 60	0, 1
Data transfer rateKnown for one	1.2 Gbit/s	Unknown — not stated by the source
SSD supportKnown for one	Yes	Unknown — not stated by the source
Number of devices supportedDiffers	255	10
Compatible productsDiffers	- 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	PowerEdge M710 PowerEdge M805 PowerEdge M905 PowerEdge R410
Channels quantityKnown for one	Unknown — not stated by the source	2 channels
S.M.A.R.T. supportKnown for one	Unknown — not stated by the source	Yes
Sustained data transfer rate (native)Known for one	Unknown — not stated by the source	300 MB/s
Processor1 differ
Built-in processorDiffers	Yes	ARM
Processor familyKnown for one	LSI	Unknown — not stated by the source
System requirementsidentical
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Server operating systems supportedKnown for one	Windows Server 2012, Windows Server 2016	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64
Weight & dimensionsidentical
WidthKnown for one	167.6 mm	Unknown — not stated by the source
DepthKnown for one	64.4 mm	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733080	Unknown — not stated by the source
Other featuresidentical
Dell E-Value CodeKnown for one	405-AAMZ	Unknown — not stated by the source
Ports quantityKnown for one	Unknown — not stated by the source	2
Internal portsKnown for one	Unknown — not stated by the source	2

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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