Product comparison · 2 raid controllers

Dell PERC H840 vs Fujitsu PRAID EM400i

8specifications compared
2differ
6identical
14known for one product only

Key differences

The Fujitsu PRAID EM400i has 10.8 Gbit/s more data transfer rate than the Dell PERC H840 (12 Gbit/s vs 1.2 Gbit/s). Supported storage drive interfaces: SAS on the Dell PERC H840, SAS-3, Serial ATA III on the Fujitsu PRAID EM400i.

Supported storage drive interfaces
- PERC H840:SAS
- PRAID EM400i:SAS-3, Serial ATA III
Data transfer rate
- PERC H840:1.2 Gbit/s
- PRAID EM400i:12 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of PERC H840, PRAID EM400i
22 specifications	A Dell PERC H840 View product	B Fujitsu PRAID EM400i View product
Ports & interfaces1 differ
Supported storage drive interfacesDiffers	SAS	SAS-3, Serial ATA III
Internal mini-SAS portsKnown for one	2	Unknown — not stated by the source
Internal SAS portsKnown for one	Unknown — not stated by the source	2
External SAS portsKnown for one	Unknown — not stated by the source	1
Performance1 differ
Data transfer rateDiffers	1.2 Gbit/s	12 Gbit/s
Number of devices supportedKnown for one	255	Unknown — not stated by the source
Compatible productsKnown for one	- 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	Unknown — not stated by the source
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Processoridentical
Processor frequencyKnown for one	Unknown — not stated by the source	1.2 MHz
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
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
PCI Card form factorKnown for one	Unknown — not stated by the source	Full-height (low-profile)

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.

More raid controller comparisons

All raid controller comparisons