6Acer AT350 F1 SpecificationsStandard FeaturesProcessorsIntel® Xeon® Six-Core processorX5675 (12 MB L3 cache, 3.06 GHz, 6.4 GT/s, DDR3-1333 MHz, 95 W)Intel® Xeon® Quad-Core processorE5620 (12 MB L3 cache, 2.40 GHz, 5.86 GT/s, DDR3-1066 MHz, 80 W)L5630 (12 MB L3 cache, 2.13 GHz, 5.86 GT/s, DDR3-1066 MHz, 40 W)E5606 (8 MB L3 cache, 2.13 GHz, 4.8 GT/s, DDR3-1066 MHz, 80 W)ChipsetIntel® 5520Memory3 Type DDR3 1066/1333 MHz Registered memoryDDR3 1066/1333 MHz Unbuffered ECC memoryDIMM sockets 18Capacity Registered DIMM: 2 / 4 / 8 / 16 GB4Unbuffered ECC DIMM: 2 / 4 GBMaximum capacity Registered DIMM: 192 GBUnbuffered DIMM: 48 GBMemory protection ECC, Mirroring, Sparing, Lockstep Mode, x4/x8 SDDCNetwork controller Integrated dual Intel® 82576EB Gigabit Ethernet Controller (two ports)3 Mixed use of registered memory and unbuffered ECC memory not supported.4 16 GB memory modules available by special request only.