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Forum Discussion
How much does a drives RPM make a difference?
I have two ReadyNAS NV+ units that I use in a home environment. One of the NV+ units is used to back up some (but not all) of the data from the primary NV+ unit. I have 5 Macs, two AppleTVs, two TiV...
iProb8 wrote: Am I correct that the only difference between the Ultra and the Ultra Plus is that the Plus has a dual core processor?
As far as I know, yes. All other specs are the same.
Ultra4 – 1.66 GHz Atom D410 (single core)
Ultra4 Plus – 1.66 GHz Atom D510 (dual core)
ReadyNAS Ultra 4
Physical Specifications
Intel® Atom Single-core CPU (Ultra 4)
Intel® Atom Dual-core CPU (Ultra 4 Plus)
1GB DDR2 SODIMM
Four (4) Serial ATA II channels
Hot swappable and lockable trays
Two (2) 10/100/1000 Ethernet ports
LCD Display
Three (3) USB 2.0 ports
Embedded 128 MB Flash Memory for OS
Kensington Lock security hole
Software controlled 92 mm chassis cooling fan
Dimension (H x W x D): 134 x 205 x 223 mm (5.28 x 8.07 x 8.78 in)
Weight: 4.70 kg (10.35 lb), without hard disks
According to the performance specs (http://www.readynas.com/?page_id=3962#Performance), the big advantage is in write speeds (10-30 MB/s, depending on protocol and/or jumbo frames), although you'll see a slight increase in read speeds as well (2-3 MB/s).
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