Product comparison · 2 raid controllers

Dell 405-AAJW RAID controller PCI Express 3.0 1200 Gbit/s vs Dell PERC H840

11specifications compared
5differ
6identical
10known for one product only

Key differences

The Dell 405-AAJW RAID controller PCI Express 3.0 1200 Gbit/s has 1,198.8 Gbit/s more data transfer rate than the Dell PERC H840 (1200 Gbit/s vs 1.2 Gbit/s). The Dell PERC H840 has 247 more devices supported than the Dell 405-AAJW RAID controller PCI Express 3.0 1200 Gbit/s (255 vs 8). Host interface: PCI Express on the Dell 405-AAJW RAID controller PCI Express 3.0 1200 Gbit/s, PCI Express x8 on the Dell PERC H840.

Host interface
- 405-AAJW RAID controller PCI Express 3.0 1200 Gbit/s:PCI Express
- PERC H840:PCI Express x8
Data transfer rate
- 405-AAJW RAID controller PCI Express 3.0 1200 Gbit/s:1200 Gbit/s
- PERC H840:1.2 Gbit/s
Number of devices supported
- 405-AAJW RAID controller PCI Express 3.0 1200 Gbit/s:8
- PERC H840:255

Side by side

Differences highlightedShow differences only

Comparison of 405-AAJW, PERC H840
21 specifications	A Dell 405-AAJW RAID controller PCI Express 3.0 1200 Gbit/s Model 405-AAJW View product	B Dell PERC H840 View product
Ports & interfaces1 differ
Host interfaceDiffers	PCI Express	PCI Express x8
Internal mini-SAS portsKnown for one	Unknown — not stated by the source	2
Performance3 differ
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 6, 10, 50, 60
Data transfer rateDiffers	1200 Gbit/s	1.2 Gbit/s
SSD supportKnown for one	Unknown — not stated by the source	Yes
Number of devices supportedDiffers	8	255
Compatible productsDiffers	- PowerEdge R630 - PowerEdge R6415 - PowerEdge R740XD - PowerEdge R940 - PowerEdge R730 - Poweredge R830 - PowerEdge R640 - PowerEdge R740 - PowerEdge R730XD - PowerEdge R430 - PowerEdge R530 - PowerEdge R730xd XL - PowerEdge R7415	- 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
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
Processoridentical
Processor modelKnown for one	LSISAS3008	Unknown — not stated by the source
System requirements1 differ
Server operating systems supportedDiffers	Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2	Windows Server 2012, Windows Server 2016
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
Other featuresidentical
Dell E-Value CodeKnown for one	Unknown — not stated by the source	405-AAMZ
Other operating systems supportedKnown for one	VMware vSphere ESXi	Unknown — not stated by the source

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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