v3.co.uk published a nice review about the X4170 with really positive verdict:
A good choice for companies looking for maximum performance from a 1U package, the high specification of the Sun Fire X4170 makes it more than a match for similar dual-processor servers from market leaders HP and Dell. Build quality is impressive and, with support for the latest quad-core Xeon 5500 processors, it has performance to spare, plus plenty of headroom in terms of memory and internal storage.
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