ThinkStation Workstation Product Comparison

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Product Comparison Chart	C20x	C20	E20
Product Image
Processors	Intel; Xeon	Intel Xeon	Intel Pentium Intel Core™ i3 Intel Core™ i5 Intel Xeon
Preloaded operating systems	Genuine Windows 7 Professional 64 Lenovo Enhanced Experience	Genuine Windows 7 Professional 64 Lenovo Enhanced Experience	Genuine Windows 7 Professional 64 Lenovo Enhanced Experience
Chipset	Intel 5520	Intel 5520	Intel 3450
Supported memory types	1333MHz DDR3 ECC UDIMM 1333MHz DDR3 RDIM	1333MHz DDR3 ECC UDIMM 1333MHz DDR3 RDIM	1333MHz DDR3 ECC UDIMM 1333MHz DDR3 Non-ECC UDIMM
DIMM slots available	12	6	4
Total memory capacity	96GB	48GB	16GB
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
Graphics support	2x NVIDIA Quad	2x NVIDIA Quad	Professional Intel Integrated Graphics on Intel Pentium, Core i3 and Core i5 CPUs 1x NVIDIA Quadro
GPU computing support	NVIDIA Tesla™ C1060	NVIDIA Tesla™ C1060	CUDA for NVIDIA graphics cards
Hard drive support	7,200 rpm SATA 10,000 rpm SATA 15,000 rpm SASSolid-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
RAID support	0, 1, 5 (SATA only)	0, 1, 5 (SATA only)	0,1
Network support	Dual Gigabit Ethernet	Gigabit Ethernet	Gigabit Ethernet
Power supply	800W 80 PLUS Gold	800W 80 PLUS Gold	280W 80 PLUS Bronze
IEEE 1394 support	Yes	No	Optional via card
Audio output	HD 7.1	HD 7.1	Front and rear stereo
On-board eSATA support	Yes	Yes	Optional
USB ports	10	10	8
Acoustics Idle operating noise level w/SATA			27db
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
Recycled plastic content System only	50%+ post-consumer	50%+ post-consumer	65% post-consumer

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Product Comparison Chart	S20	D20
Product Image
Processors	Intel Xeon	Dual Intel Xeon
Preloaded operating systems	Genuine Windows 7 Professional 64	Genuine Windows 7 Professional 64
Chipset	Intel X58	Intel 5520
Supported memory types	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	6	12
Total memory capacity	12GB	192GB*
Other supported operating systems	Genuine Windows XP x64 Red Hat Enterprise Linux 5	Genuine Windows XP x64 Red Hat Enterprise Linux 5
Graphics support	2x NVIDIA Quadro	2x NVIDIA Quadro
GPU computing support	NVIDIA Tesla C1060	NVIDIA Tesla C1060
Hard drive support	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, 10 (SATA & SAS)
Network support	Gigabit Ethernet	Dual Gigabit Ethernet
Power supply	625W 80 PLUS Bronze	1,060W 80 PLUS Bronze
IEEE 1394 support	Optional via card	Yes
Audio output	HD 7.1	HD 7.1
On-board eSATA support	Yes	Yes
USB ports	10	10
Acoustics Idle operating noise level w/SATA	27db	24db
Environmental certifications ENERGY STAR and EPEAT apply to select models only	ENERGY STAR EPEAT Gold GREENGUARD RoHS	ENERGY STAR EPEAT Gold GREENGUARD RoHS 80 PLUS Bronze
Recycled plastic content System only	26% post-consumer 24% post-industrial	27% post-consumer 23% post-industrial

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ThinkStation Workstation Product Comparison

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