Product comparison · 2 raid controllers

Dell PERC H740P vs HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s

5specifications compared
4differ
1identical
11known for one product only

Key differences

The Dell PERC H740P has 6 Gbit/s more data transfer rate than the HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s (12 Gbit/s vs 6 Gbit/s). Only the Dell PERC H740P has SSD support. Supported storage drive interfaces: SAS-3, Serial ATA III on the Dell PERC H740P, SAS on the HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s. RAID levels: 0, 1, 5, 6, 10, 50, 60 on the Dell PERC H740P, 0, 1, 1+0, 5, 6, 50, 60 on the HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s.

Supported storage drive interfaces
- PERC H740P:SAS-3, Serial ATA III
- SmartArray P420 RAID controller PCI Express x8 6 Gbit/s:SAS
RAID levels
- PERC H740P:0, 1, 5, 6, 10, 50, 60
- SmartArray P420 RAID controller PCI Express x8 6 Gbit/s:0, 1, 1+0, 5, 6, 50, 60
Data transfer rate
- PERC H740P:12 Gbit/s
- SmartArray P420 RAID controller PCI Express x8 6 Gbit/s:6 Gbit/s
SSD support
- PERC H740P:Yes
- SmartArray P420 RAID controller PCI Express x8 6 Gbit/s:No

Side by side

Differences highlightedShow differences only

Comparison of PERC H740P, P420
16 specifications	A Dell PERC H740P View product	B HP SmartArray P420 RAID controller PCI Express x8 6 Gbit/s Model P420 View product
Ports & interfaces1 differ
Supported storage drive interfacesDiffers	SAS-3, Serial ATA III	SAS
Host interface	PCI Express x8	PCI Express x8
PCI Express slots versionKnown for one	3.1	Unknown — not stated by the source
Internal SAS portsKnown for one	Unknown — not stated by the source	2
Performance3 differ
RAID levelsDiffers	0, 1, 5, 6, 10, 50, 60	0, 1, 1+0, 5, 6, 50, 60
Data transfer rateDiffers	12 Gbit/s	6 Gbit/s
SSD supportDiffers	Yes	No
Channels quantityKnown for one	8 channels	Unknown — not stated by the source
Number of devices supportedKnown for one	32	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Compatible operating systemsKnown for one	Microsoft Windows Server 2012, Red Hat Enterprise Linux 6.5, SuSE Linux Enterprise Server 12, Microsoft Windows Server 2016, Red Hat Enterprise Linux 7.0 or later	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	57 mm
DepthKnown for one	Unknown — not stated by the source	241 mm
HeightKnown for one	Unknown — not stated by the source	191 mm
WeightKnown for one	Unknown — not stated by the source	370 g

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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