Product comparison · 2 raid controllers

HP SmartArray 642 RAID controller PCI-X 0.320 Gbit/s vs HP SmartArray P712m/ZM RAID controller PCI Express x8

Key differences

Supported storage drive interfaces
- SmartArray 642 RAID controller PCI-X 0.320 Gbit/s:SCSI
- SmartArray P712m/ZM RAID controller PCI Express x8:SAS, Serial ATA
Host interface
- SmartArray 642 RAID controller PCI-X 0.320 Gbit/s:PCI-X
- SmartArray P712m/ZM RAID controller PCI Express x8:PCI Express x8
RAID levels
- SmartArray 642 RAID controller PCI-X 0.320 Gbit/s:0, 1, 0+1, 5
- SmartArray P712m/ZM RAID controller PCI Express x8:0, 1

Differences highlightedShow differences only

Comparison of 642, P712m/ZM
17 specifications	A HP SmartArray 642 RAID controller PCI-X 0.320 Gbit/s Model 642 View product	B HP SmartArray P712m/ZM RAID controller PCI Express x8 Model P712m/ZM View product
Ports & interfaces2 differ
Supported storage drive interfacesDiffers	SCSI	SAS, Serial ATA
Host interfaceDiffers	PCI-X	PCI Express x8
Internal mini-SAS portsKnown for one	Unknown — not stated by the source	2
Performance1 differ
RAID levelsDiffers	0, 1, 0+1, 5	0, 1
Data transfer rateKnown for one	0.320 Gbit/s	Unknown — not stated by the source
SSD support	No	No
Internal memoryKnown for one	64 MB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
Number of devices supportedKnown for one	20	Unknown — not stated by the source
Compatible productsKnown for one	Unknown — not stated by the source	ProLiant BL280c G6
Other featuresidentical
Maximum supported storage capacityKnown for one	6 TB	Unknown — not stated by the source
Supported protocolsKnown for one	Ultra320, Ultra3, Ultra2	Unknown — not stated by the source
External portsKnown for one	1 x Ultra320-SCSI LVD VHDCI 68-pin	Unknown — not stated by the source
Internal portsKnown for one	1 x Ultra320-SCSI LVD HD 68-pin	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101 mm
DepthKnown for one	Unknown — not stated by the source	114 mm
HeightKnown for one	Unknown — not stated by the source	20 mm

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.