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Sun Fire[tm] E20K Server, RoHS:YL Server: Hardware Specifications

Processor
Number Sun Fire E20K: 4 to 36
Sun Fire E25K: 8 to 72
Architecture UltraSPARC IV: 1350MHz, superscalar SPARC V9, ECC protected
UltraSPARC IV+: 1500MHz,1800MHz, superscalar SPARC V9, ECC protected
Cache per processor UltraSPARC IV processor
L1 Cache: 64 KB 4-way data, 32 KB 4-way instruction, 2 KB Write, 2 KB Prefetch
L2 Cache: 16 MB external (exclusive access to 8 MB per pipeline), On-chip controller and address tags
UltraSPARC IV+ processor
L2 Cache: 2 MB on-chip
L3 Cache: 32 MB off-chip
System Interconnect 150 MHz Sun[tm] Fireplane redundant 18X18 data, address, and response crossbar interconnect
System Boards
CPU/Memory Boards Sun Fire E20K: Up to nine Uniboard CPU/Memory Boards, with four processors each, and up to 64 GB per board; maximum 576 GB per domain
Sun Fire E25K: Up to eighteen Uniboard CPU/Memory Boards, with four processors each, and up to 64 GB per board; maximum 1152 GB per domain
I/O Sun Fire E20K: Up to 36 hot-swappable PCI+ I/O slots: 27 slots are 66 MHz, 9 slots are 33 MHz; supports 10/100 Base-T Ethernet, Gigabit Ethernet, UltraSCSI (LVD & HVD), ATM, FC-AL, and HiPPI
Sun Fire E25K: Up to 72 hot-swappable PCI+ I/O slots: 54 slots are 66 MHz; 18 slots are 33MHz; supports 10/100 Base-T Ethernet, Gigabit Ethernet, UltraSCSI (LVD and HVD), ATM, FC-AL, and HiPPI
System Controller (SC) 2 redundant system controllers. Automatic system failover of system controllers, automatic failover of SC clock and management functions, with no service interruption to users.
Main Memory
Sun Fire E20K: 2GB to 576GB memory capacity per system, up to 288 DIMMs total per system
Sun Fire E25K: 4GB to 1152GB memory capacity per system, up to 576 DIMMs total per system

2GB, 4GB, and 8GB memory expansion options (each a group of 4 DIMMs)

Up to eight memory expansion options per CPU/Memory board
Standard Interfaces
Ethernet Ethernet 10/100Base-T (RJ-45) on each System Controller for system management only. At least one network card must be included in each domain
PCI Four slots per hsPCI assembly supporting one 33-MHz and three 33/66-MHz industry standard PCI boards.
Serial 1 TTYA port on each System Controller
Internal Mass Storage
Disks (Internal - System Controller Peripheral Board) 73.4GB - 10000 RPM Disk Drives (system controller boot disks)
External Boot Devices Sun StorEdge[tm] S1 and Sun StorEdge[tm] D240 Media Tray
DVD-ROM (Internal - System Controller Peripheral Board) 16X DVD-ROM Drive
Tape (Internal - System Controller Peripheral Board) 36-72GB DAT72 Tape Drive
Power Supplies
N+1 redundant
6 dual-input AC-to-48 volt DC power supplies
Two power cables go to each supply, so they can connect to separate power grids (12 power cords)
Environment
AC power 200 - 240 VAC, single phase, 47 - 63 Hz; requires 12 - 30 A circuits
Input power Sun Fire E20K: 14,723W
Sun Fire E25K: 26,423W
Heat output (cooling requirement) 50,058 BTU /hr (up to 9 slots occupied)
89,838 BTU/hr (up to 18 slots occupied)
Temperature ¹ Optimal: 21° C to 23° C (70° F to 74° F)
Operating: 10° C to 35° C (50° F to 95° F)
Nonoperating: -20° C to 60° C (-4° F to 140° F)
Humidity Optimal: 45% to 50% relative humidity, noncondensing
Operating: 20% to 80% relative humidity, noncondensing
Nonoperating: up to 93% relative humidity, noncondensing
Altitude Operating: 3000 m (10,000 ft.)
Nonoperating: 12,000 m (40,000 ft.)
1 - derate 2° C for every 1 km up to 3 km
Regulations
Meets or exceeds the following requirements:
Safety UL 60950, 3rd edition USA, CAN/CSA-22.2 No. 60950-00, EN 60950, 3rd edition, TUV Germany, Jeon Korea, CCIB/CCEE China
RFI/EMI Class A: EN55022 (part of CE) Europe (EU), EN61000-3-2/3-3 Europe, FCC USA, ICES-003 Canada, VCCI Japan, CNS-13438 (BSMI-Taiwan), AS/NZ 3548 (C-tick) Australia, Gost-R Russia
Immunity EN55024, EN61000-3-2, EN61000-3-3, EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6, EN61000-4-8, EN61000-4-11
Regulatory Markings CE, FCC, ICES-003, C-tick, VCCI, Gost-R, BSMI, UL/cUL/S Mark, TUV-GS, MIC
RoHS Compliance Level RoHS:YL
Dimensions and Weights
Height 191 cm (74.75 in.)
203.2 cm (80.0 in.) shipping
Width 85 cm (33.25 in.)
121.9 cm (48.0 in.) shipping
Depth 166 cm (65.0 in.)
191.8 cm (75.5 in.) shipping
Weight Sun Fire E20K: 996.1 kg (2191.5 lb.); 1198.4 kg (2636.5 lb.) shipping
Sun Fire E25K: 1142.6 kg (2513.7 lb.); 1344.9 kg (2958.7 lb.) shipping
Power cord 457 cm (15.0 ft.)
Clearance and Service Access
Front 111.8 cm (44.0 in.) service access
Rear 111.8 cm (44.0 in.) service access
Please see the Sun Fire E25K / E20K Systems Site Planning Guide (817-4137)for information about proper cooling clearances and installation.

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