The Sun X4100-M1--2X2.2GHZ is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Sun Part Number: X4100-M1--2X2.2GHZ Details: Sun X4100-M1--2X2.2GHZ X4100 M1 2X2.2Ghz /4Gb/2X73Gb/Dvd 276X4100M1#10-Bap-1Co/3C