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Sun Enterprise 420R


CPU and UPA
Architecture UltraSPARC-II
Clock rate 450 MHz
Processor slots 4
Cache on chip 32 KB
External cache 4 MB
UPA speed 112.5 MHz
Memory
Memory type ECC
Number of slots 16
Capacity 1 to 4 GB
DRAM speed 60 ns
Bus width 576 bits
DIMM sizes 64, 256 MB
Storage
Maximum internal Up to two internal hot-swap disks with up to 18.2-GB capacity each
Maximum total internal 36.4 GB
I/O Interfaces
UltraSCSI 40 MB/sec. UltraSCSI (SCSI-3), 2 channels
Serial ports Two RS-232C/RS423 DB25
Parallel port Centronics compatible (DB25)
PCI I/O bus Three long and one short PCI slots (version 2.1): three at 33 MHz; one at 33 or 66 MHz
Networking Ports
TP Ethernet 10/100BASE-T
Power Supply
Up to 2 hot-swap 380 watt power supplies, with separate power cords
Backup and Distribution
CD-ROM SunCDTM 32X
Internal Optional 12 to 24-GB DDS2 4-mm or 14-GB 8-mm, up to two 9.1-, or 18.2-GB disk
External 8.4 to 109.2-GB Sun StorEdgeTM MultiPack system
20 to 40 GB, 8-mm
12 to 24-GB, 4-mm DDS-3
400-GB Sun StorEdge L400 tape library
Sun StorEdge A1000/D1000 array
Sun StorEdge A3500 array
Sun StorEdge A5200 array
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