| 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. |
