 |
|
|
|
|
|
|
|
|
|
|
|
|
|
C20x |
|
C20 |
|
E20 |
|
S20 |
|
D20 |
| Preloaded operating systems |
|
Genuine Windows® 7 Professional 64
|
|
Genuine Windows® 7 Professional 64
|
|
Genuine Windows® 7 Professional 64
|
|
Genuine Windows® 7 Professional 64 |
|
Genuine Windows® 7 Professional 64 |
| Lenovo Enhanced Experience |
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
| Processors |
|
Dual Intel® Xeon® |
|
Dual Intel Xeon |
|
Intel Pentium®
Intel Core™ i3
Intel Core™ i5
Intel Xeon |
|
Intel Xeon |
|
Dual Intel Xeon |
| Chipset |
|
Intel 5520 |
|
Intel 5520 |
|
Intel 3450 |
|
Intel X58 |
|
Intel 5520 |
| Supported memory types |
|
1333MHz DDR3 ECC UDIMM
1333MHz DDR3 RDIMM |
|
1333MHz DDR3 ECC UDIMM
1333MHz DDR3 RDIMM |
|
1333MHz DDR3 ECC UDIMM
1333MHz DDR3 Non-ECC UDIMM |
|
1333Mhz DDR3 ECC UDIMM
1066MHz DDR3 ECC UDIMM |
|
1333MHz DDR3 ECC UDIMM
1066MHz DDR3 Non-ECC UDIMM
1333MHz DDR3 RDIMM
1066MHz DDR3 RDIMM |
| DIMM slots available |
|
12 |
|
6 |
|
4 |
|
6 |
|
12 |
| Total memory capacity |
|
96GB |
|
48GB |
|
16GB |
|
12GB |
|
192GB* |
| Other supported operating systems |
|
Genuine Windows® XP Pro 32-bit
Genuine Windows XP x64
Red Hat Enterprise Linux 5 |
|
Genuine Windows® XP Pro 32-bit
Genuine Windows XP x64
Red Hat Enterprise Linux 5 |
|
Genuine Windows® 7 Professional 32-bit
Genuine Windows XP x64
Red Hat Enterprise Linux 5 |
|
Genuine Windows® XP x64
Red Hat Enterprise Linux 5 |
|
Genuine Windows® XP x64
Red Hat Enterprise Linux 5 |
Graphics support
Up to 2 NVIDIA® or 2 ATI cards are supported. Mixing ATI and NVIDIA graphics is not supported. |
|
2x NVIDIA Quadro or 2x
ATI FireMV™ |
|
2x NVIDIA Quadro or 2x
ATI FireMV™ |
|
Professional Intel Integrated Graphics on Intel Pentium, Core i3 and Core i5 CPUs
1x NVIDIA Quadro |
|
2x NVIDIA Quadro or 2x ATI FirePro™ |
|
2x NVIDIA Quadro or 2x ATI FirePro |
| GPU computing support |
|
NVIDIA Tesla™ C1060 |
|
NVIDIA Tesla C1060 |
|
CUDA for NVIDIA graphics cards |
|
NVIDIA Tesla C1060 |
|
NVIDIA Tesla C1060 |
| Hard drive support |
|
7,200 rpm SATA
10,000 rpm SATA
15,000 rpm SAS
Solid-state drive MLC type |
|
7,200 rpm SATA
10,000 rpm SATA
Solid-state drive MLC type |
|
7,200 rpm SATA
10,000 rpm SATA
Solid-state drive MLC type |
|
7,200 rpm SATA
10,000 rpm SATA
15,000 rpm SAS with SAS adapter
Solid-state drive MLC type |
|
7,200 rpm SATA
10,000 rpm SATA
15,000 rpm SAS
Solid-state drive MLC type |
| RAID support |
|
0, 1, 5 (SATA & SAS) |
|
0, 1, 5 (SATA only) |
|
0,1 |
|
0, 1, 5 (SATA & SAS) |
|
0, 1, 5, 10 (SATA & SAS) |
| Network support |
|
Dual Gigabit Ethernet |
|
Gigabit Ethernet |
|
Gigabit Ethernet |
|
Gigabit Ethernet |
|
Dual Gigabit Ethernet |
| Power supply |
|
800W 80 PLUS® Gold |
|
800W 80 PLUS Gold |
|
280W 80 PLUS Bronze |
|
625W 80 PLUS Bronze |
|
1,060W 80 PLUS Bronze |
| IEEE 1394 support |
|
Yes |
|
Optional |
|
Optional via card |
|
Optional via card |
|
Yes |
| Audio output |
|
HD 7.1 |
|
HD 7.1 |
|
Front and rear stereo |
|
HD 7.1 |
|
HD 7.1 |
| On-board eSATA support |
|
Yes |
|
Yes |
|
Optional |
|
Yes |
|
Yes |
USB ports
|
10 |
|
10 |
|
8 |
|
10 |
|
10 |
|
Acoustics
Idle operating noise level w/SATA |
|
|
|
|
|
27db |
|
27db |
|
24db |
Environmental certifications
ENERGY STAR® and EPEAT apply to select models only |
|
ENERGY STAR
EPEAT Gold
GREENGUARD
80 PLUS Gold |
|
ENERGY STAR
EPEAT Gold
GREENGUARD
80 PLUS Gold |
|
ENERGY STAR
EPEAT Gold
GREENGUARD
80 PLUS Bronze
REACH |
|
ENERGY STAR
EPEAT Gold
GREENGUARD
RoHS |
|
ENERGY STAR
EPEAT Gold
GREENGUARD
RoHS
80 PLUS Bronze |
Recycled plastic content
System only |
|
50%+ post-consumer |
|
50%+ post-consumer |
|
65% post-consumer |
|
26% post-consumer
24% post-industrial |
|
27% post-consumer
23% post-industrial |
 |
| *Pending availability of 16GB DIMMs |
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