Vishal, This may be of some use to you regarding external storage, but not directly answering the question regarding the particular laptop: http://www.reghardware.com/2010/11/23/review_storage_kingston_hyperx_max_usb_3_drive/page2.html The difference in random I/O performance is striking. hth. Paul On Wed, Nov 24, 2010 at 11:58 AM, Vishal Gupta <vishal@xxxxxxxxxxxxxxx>wrote: > Hello List, > > I currently have a home desktop, which I used for running my all VMs on > VmWare Server. It good enough configuration to run 3-4 or more VMs at the > same time. I have two internal hard disks on desktop. To get decent enough > performance from VMs, I tend to run VMs on separate disk than the host disk. > > But many times, I have left in situation where I don't have access to my > small home virtual data centre. So I was looking for a powerful but > lightweight laptop for this purpose. Ideally I would love to have VMs on > separate disk. But laptop normally don't have enough room for 2 internal > disks. And running VMs on external disk over USB2.0 (@480Mbps i.e. about 5 > times slower than eSATA drives) will give a dreaded performance. USB3.0 > (@5Gbps twice as fast as eSATA) would be good enough. But not many laptops > support it yet. > > Does anyone has any laptop recommendation for this purpose? I had MacBook > Pro with 8GB + SSD hard disk in mind. It would cost about £2000 (inc VAT) in > UK. Does anyone has any experiences to share of using MacBookPro to run > multiple VMs? > > > *Desktop Configuration* > CPU - Intel Core i7-920 (64bit) - single socket with 4 cores, 8 threads > RAM - 6GB > Disk - Two internal 750GB each SATA-300 (@2400Mbps) drives , 1 external 2TB > eSATA (@2400Mbps) drive. > Disk 1 - (internal) Host OS and other stuff > Disk 2 - (internal) Reserved for running only VMs > Disk 3 - (eSATA @2400Mbps ) Used > Disk 4 - USB 2.0 (@ > > Devices Speeds link - > http://en.wikipedia.org/wiki/List_of_device_bandwidths#Storage > http://en.wikipedia.org/wiki/Intel_Core_i7#Processor_cores > > > > Regards, > Vishal Gupta > http://www.vishalgupta.com > -- http://www.completestreets.org/faq.html http://safety.fhwa.dot.gov/ped_bike/docs/pamanual.pdf