Processor
Implementation
Memory
Graphics
Media reader
SATA disk(s)
S ATA DV D ±RW
Disk controller
Chipset
Front ports
Rear ports
IEEE 1394 adptr
Audio
Speaker
Ethernet
Security chip
Keyboard
Mouse
Power supply
Cooling
Rack mount
Intel Xeon
®
Processor W3530 with quad-core,
4.8GT/s (giga-transfers/second) QPI (QuickPath Interconnect),
Intel 64, Hyper-Threading Technology, Virtualization Technology,
Turbo Boost Technology (up to 3.06GHz at max turbo mode),
1066MHz DDR3 memory controller, and 8MB cache or
Intel Xeon Processor E5507 with quad-core,
Intel 64, Virtualization Technology,
800MHz DDR3 memory controller, and 4MB cache
Processor uses FC-LGA8 package, one LGA1366 socket
2GB or 4GB std, 24GB max, UDIMM,
PC3-10600 1333MHz DDR3
***
, ECC,
3-channel capable, six 240-pin DIMM sockets
*** System automatically clocks down for processors with 800MHz
or 1066MHz DDR3 memory controller
Two PCI Express
®
x16 adapters required for quad monitor support,
* Adapters >75W use auxiliary power connector(s) from PSU
Some: NVIDIA
®
Quadro
®
FX 380, PCIe x16 adapter, 256MB,
two dual-link DVI-I, 35W
Some: NVIDIA Quadro FX 580, PCIe x16 adapter, 512MB,
two DisplayPort, one dual-link DVI-I****, 40W
Some: NVIDIA Quadro FX 1800, PCIe x16 adapter, 768MB,
two DisplayPort, one dual-link DVI-I****, 59W
Some: ATI™ FirePro™ V3700, PCIe x16 adapter, 256MB,
two dual-link DVI-I, 35W
**** Only two display connectors are active at a time
20-in-1 media reader, internal USB 2.0
500GB, SATA 3.0Gb/s, 7200 rpm, 3.5"
Super Multi-Burner DL DVD±RW SATA 1.5Gb/s Drive
Serial ATA, SATA 3.0Gb/s, integrated in ICH10R,
three SATA connectors for disks, two SATA connectors for opticals
Intel X58 Express Chipset, Intel I/O Controller Hub 10 RAID
(ICH10R) for RAID 0, 1, 5 support,
Winbond
®
W83627DHG-P Super I/O
Two USB 2.0, microphone (3.5mm), headphone (3.5mm)
Eight USB 2.0, eSATA, serial (9-pin), ethernet (RJ-45),
six analog audio ports (line-in, mic-in, front-out, rear-out, center/sub-out, side-out),
Optical SPDIF digital out, Optical SPDIF digital in
Some: FireWire PCI adapter, 1394a-2000, 400Mbps, two 6-pin ports on rear
High Defi nition (HD) Audio, Analog Devices AD1988A codec
Internal speaker for business audio
One gigabit ethernet on planar, Broadcom
®
BCM5755
Broadcom Trusted Platform Module, TCG 1.2-compliant
Preferred Pro USB Keyboard (USB connector), 104-key, black
Optical Wheel Mouse (USB connector), black
625 watts with 120mm bottom-mounted variable speed fan, universal,
Climate Savers
®
Computing Bronze, 80 PLUS
®
Bronze qualifi ed
3 to 5 fans (power supply, CPU, rear, opt front PCI [>75W graphics], opt front [SAS])
Rack shelf support
S20 4157-D7U 5x6 E5507 2.26 4 1x2GB
1333MHz
1x500GB
2
3.5" No DVD±RW Media 1xV3700 Pending Pro64 Mar 10
S20 4157-D8U 5x6 E5507 2.26 4 2x2GB
1333MHz
1x500GB 3.5"
No DVD±RW Media 1xFX1800 1394 Pending Pro64 Mar 10
S20 4157-D9U 5x6 W3530 2.80 4 1x2GB
1333MHz
1x500GB
3.5" No DVD±RW Media 1xFX380 1394 Pending Pro64 Mar 10
S20 4157-E1U 5x6 W3530 2.80 4 1x2GB
1333MHz
1x500GB 3.5"
No DVD±RW Media 1xFX580 1394 Pending Pro64 Mar 10
ThinkStation
®
S20 (4157) - Windows 7 (March 2010)
GHz Processor Disk(s)
SATA
optical
Graphics
adapter(s)
1394
adptr
Avail
dateName
Slot x
bay
Disk
size
Personal Systems Reference (PSREF)
ENERGY
STAR 5.0
See footnotes for important warranty information
US models announced March 16, 2010
© Lenovo
(SEV4-1) May 2010
Win7
preload
Memory
DIMMs
LIMITED WARRANTY
1
➫ 3-year parts and labor
➫ Customer Replaceable Unit (CRU)
parts only (with limited onsite service
for selected parts
3
, 8 am - 5 pm,
Mon - Fri coverage excluding holidays,
next business day response time)
➫ ThinkPlus
™ services available; see
http://lenovo.com/thinkplus/warranty
• Onsite service upgrade options
(in eligible locations)
7
• Post warranty maintenance
services
➫ 24 hour x 7 day
14
toll-free support
during the warranty period
1
via 800-426-7378
Type-
model
Memory
speed
GREENGUARD
®
certifi ed
RoHS-compliant
Pending: ENERGY STAR
®
5.0-compliant
Supports ThinkVantage
®
technologies
• Raven black color; metal case
• 6.9"W x 19.0"D x 18.8"H (with handle)
• 175mm W x 483mm D x 478mm H
• 38.5 lb (17.5kg) max confi guration
• 31-liter
• Removable handle on top front
• Toolless side cover removal
• Toolless disk and optical drive removal
• Toolless adapter retention
• Illuminated front icons
• Rack shelf support
Slot 1: full-length, full-height, PCIe 2.0 x16
(75W* max)
Slot 2: full-length, full-height, PCIe 2.0 x4**
Slot 3: full-length, full-height, PCIe 2.0 x16
(75W* max)
Slot 4: full-length, full-height, PCIe x1
Slot 5: half-length, full-height, 32-bit PCI 2.3
** x16 mechanical
Tower
Bay ① 5.25", 1.6" high, external, std optical
Bay ② 5.25", 1.6" high, external, open
Bay ③ 3.5", 1" high, external, std media reader
Bay ④ 3.5", 1" high, internal, std disk
Bay ⑤ 3.5", 1" high, internal, opt disk
Bay ⑥ 3.5", 1" high, internal, opt disk
SECURITY
• Security chip (see information on left)
• Side cover lock (ships with two identical
keys)
• Padlock loop (in rear for opt padlock;
padlock prohibits side cover removal)
• Security slot (in rear for optional
Kensington
®
Microsaver
®
cable;
prohibits side cover removal)
• Power-on password
• Administrator password
• Boot sequence control
• Boot without keyboard, mouse, diskette
• Serial port I/O control
• USB port disablement (front or all)
Diskette
or Media
reader
Preloaded operating system
20
- Genuine Windows
®
7
Professional 64
Preloaded applications
5
(only some
listed)
• Rescue and Recovery™
• ThinkVantage System Update
• Norton Internet Security™
(30 days of virus defi nitions)
• Adobe
®
Reader
®
• Microsoft Offi ce 2010 preloaded;
purchase product key to activate
• Roxio
®
Creator
®
Business Edition
(DVD±RW)
• Corel
®
WinDVD
®
( DVD±RW)
Cores
Accessories
2GB PC3-10600 DDR3 ECC UDIMM 43R2033
4GB PC3-10600 DDR3 ECC UDIMM 57Y4138
500GB SATA 3.0Gb/s Disk (7200 rpm) 43R1990
1TB SATA 3.0Gb/s Disk (7200 rpm) 45J7918
Blu-ray™ Burner SATA 1.5Gb/s 45K1675
ThinkVision
®
L2440p Wide 24" Monitor 4420HB2
NVIDIA Quadro NVS 290 43R1765
ATI FirePro 1GB V7750 51J0511
Other accessories at lenovo.com/accessories
• Faster, more effi cient architecture with the latest Intel® workstation technology
• High performance workstation with premium graphics for specialized professionals
• Environmentally friendly, cool, and quiet with rock solid engineering
• Innovative thermal design with optimized fan placement, for a cooler, quieter, more reliable PC
• These models have a 3-year limited warranty
1
• These systems are Microsoft
®
Offi ce 2010 Product Key Ready (O10PKR)
media
optical
optical
disk
disk
disk
Pre-confi g
RAID
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