Product comparison · 2 peripheral controllers

HP Smart Array E500/256 External Controller vs HP Smart Array P800 Controller

Key differences

Dimensions (WxDxH)
- Smart Array E500/256 External Controller:70 x 168 x 18 mm
- Smart Array P800 Controller:210 x 464 x 99 mm
Host interface
- Smart Array E500/256 External Controller:PCI Express x8
- Smart Array P800 Controller:x8 2.5G PCI-Express
Cache internal
- Smart Array E500/256 External Controller:256 MB
- Smart Array P800 Controller:512 MB
I/O ports
- Smart Array E500/256 External Controller:2 x mini SAS x4
- Smart Array P800 Controller:2 x Mini-SAS
RAID controller type
- Smart Array E500/256 External Controller:0, 1, 1+0
- Smart Array P800 Controller:0,1, 1+0, 5, 6

Differences highlightedShow differences only

Comparison of Smart Array E500/256 External Controller, Smart Array P800 Controller
9 specifications	A HP Smart Array E500/256 External Controller View product	B HP Smart Array P800 Controller View product
Ports & interfacesidentical
Controller interface type	Serial Attached SCSI	Serial Attached SCSI
Technical details5 differ
Dimensions (WxDxH)Differs	70 x 168 x 18 mm	210 x 464 x 99 mm
Host interfaceDiffers	PCI Express x8	x8 2.5G PCI-Express
Ports quantityKnown for one	Unknown — not stated by the source	16
Cache internalDiffers	256 MB	512 MB
I/O portsDiffers	2 x mini SAS x4	2 x Mini-SAS
PCI BusKnown for one	Unknown — not stated by the source	72-bit, DDR2-533MHz, PCI-Express
RAID controller typeDiffers	0, 1, 1+0	0,1, 1+0, 5, 6
Data transfer rateKnown for one	3 Gbit/s	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.