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®
ThinkStation
D20 (4155) - TopSeller
Type-
Slot x
Name
model
bay
Processor(s)
D20 4155-B6U 6x9 1xE5507
D20 4155-B7U 6x9 1xE5620
☞
D20 4155-E1U 6x9 1xE5620
• Faster, more effi cient architecture with the latest Intel® workstation technology
• Environmentally friendly, cool, and quiet with rock solid engineering
• These small and medium business (SMB) models are part of the US TopSeller ™ Program
• These models have a 3-year limited warranty
• These systems are Microsoft
Processor
Up to two processors, one processor standard,
Intel Xeon
Intel 64, Virtualization Technology,
800MHz DDR3 memory controller, and 4MB cache or
Intel Xeon Processor E5620 with quad-core,
5.86GT/s (giga-transfers/second) QPI (QuickPath Interconnect),
Intel 64, Hyper-Threading Technology, Virtualization Technology,
Turbo Boost Technology (up to 2.66GHz at max turbo mode),
1066MHz DDR3 memory controller, and 12MB cache
Implementation
Two LGA1366 sockets
Memory
UDIMM Model (s): 2GB or 4GB std, 48GB max,
RDIMM Model (s): 4GB std,
192GB max (pending 16GB RDIMM availability);
PC3-10600 1333MHz DDR3**, ECC,
6-channel capable (3-channel per processor),
twelve 240-pin DIMM sockets***
** System automatically clocks down for processors with 800MHz
or 1066MHz DDR3 memory controller
*** Over six DIMMs requires dual processors
Graphics
Two PCI Express
* Adapters >75W use auxiliary power connector(s) from PSU
Some: NVIDIA
Some: NVIDIA Quadro FX 1800, PCIe x16 adapter, 768MB,
**** Only two display connectors are active at a time
Diskette drive
None (use USB port)
Media reader
20-in-1 media reader
SATA disk(s)
500GB, SATA 3.0Gb/s, 7200 rpm, 3.5"
SAS disk(s)
None
SATA DVD±RW
Super Multi-Burner DL DVD±RW, SATA 1.5Gb/s
Disk Controller
3 SATA connectors for opticals, SATA 3.0Gb/s, integrated in ICH10;
5 SATA/SAS
RAID
Chipset
Intel 5520 Chipset,
Intel ICH10, Winbond
Front ports
Two USB 2.0, microphone (3.5mm), headphone (3.5mm),
FireWire 400 (IEEE 1394a)
Rear ports
Eight USB 2.0, eSATA, serial (9-pin), two ethernet (RJ-45),
FireWire 400 (IEEE 1394a),
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
IEEE 1394 adptr
Some: FireWire PCI adapter, 1394a-2000, 400Mbps, two 6-pin ports on rear
Audio
High Defi nition (HD) Audio, Analog Devices AD1988A codec
Speaker
Internal speaker for business audio
Ethernet
Dual gigabit ethernet on planar, Broadcom
Security chip
Broadcom Trusted Platform Module, TCG 1.2-compliant
Keyboard
Preferred Pro USB Keyboard (USB connector), 104-key, black
Mouse
Optical Wheel Mouse (USB connector), black
Power supply
1060 watts with 120mm bottom-mounted variable speed fan, universal,
Climate Savers
Cooling
Five fans (power supply, fi rst processor, second processor, rear, front disk)
Rack mount
Rack shelf support or optional sliding rack mount rail kit support
Preloaded operating system
®
- Genuine Windows
Professional 64
Preloaded applications
listed)
• Rescue and Recovery™
• ThinkVantage System Update
• Norton Internet Security™
(30 days of virus defi nitions)
• Microsoft Offi ce 2010 preloaded;
purchase product key to activate
See footnotes for important warranty information
☞
US model announced September 21, 2010; previous models on March 16, 2010
Memory
Memory
type
GHz
Cores
DIMMs
2.26 4
2x1GB UDIMM 1x500GB
2.40 4
2x2GB UDIMM 1x500GB SATA 3.5"
2.40 4
2x2GB RDIMM 1x500GB SATA 3.5"
®
®
Processor E5507 with quad-core,
®
x16 adapters required for quad monitor support,
®
®
Quadro
FX 580, PCIe x16 adapter, 512MB,
two DisplayPort, one dual-link DVI-I****, 40W
two DisplayPort, one dual-link DVI-I****, 59W
4
connectors for disks, SATA 3.0Gb/s, SAS 3.0Gb/s,
8
0, 1, 5, 10, integrated in Marvell
®
W83627DHG-P Super I/O
®
Computing Bronze, 80 PLUS
20
Accessories
7
500GB SATA 3.0Gb/s Disk (7200 rpm)
1TB SATA 3.0Gb/s Disk (7200 rpm)
Blu-ray™ Burner SATA 1.5Gb/s
5
(only some
ThinkVision
Other accessories at lenovo.com/accessories
Disk
Pre-confi g
Disk(s)
size
2
SATA 3.5"
1
Offi ce 2010 Product Key Ready (O10PKR)
®
88SE6480
®
BCM5755 and BCM5754
®
Bronze qualifi ed
®
L2440p Wide 24" Monitor
Personal Systems Reference (PSREF)
Diskette
Graphics
SATA
or Media
adapter(s)
RAID
optical
reader
No
DVD±RW Media 1xFX580
No
DVD±RW Media 1xFX1800
No
DVD±RW Media
Tower
•
Raven black color; metal case
•
8.3"W x 23.7"D x 19.1"H (with handle)
•
210mm W x 602mm D x 485mm H
•
60 lb (27.1kg) max confi guration
•
55-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 or optional rail kit
Bay ➀ 5.25", 1.6" high, external, std optical
Bay ➁ 5.25", 1.6" high, external, open
Bay ➂ 5.25", 1.6" high, external, open
Bay ➃ 3.5", 1" high,
external, std media reader
Bay ➄ 3.5", 1" high,
internal, std disk
Bay ➅ 3.5", 1" high,
internal, opt disk
Bay ➆ 3.5", 1" high,
internal, opt disk
Bay ➇ 3.5", 1" high,
internal, opt disk
Bay ➈ 3.5", 1" high,
internal, opt disk
Slot 1: half-length, full-height, PCIe x1
Slot 2: full-length, full-height, PCIe 2.0 x16 (75W* max)
Slot 3: full-length, full-height, 32-bit PCI 2.3
Slot 4: full-length, full-height, PCIe 2.0 x16 (75W* max)
Slot 5: full-length, full-height, PCIe x4 (x16 mechanical)
Slot 6: half-length, full-height, 32-bit PCI 2.3
•
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
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)
Supports ThinkVantage
GREENGUARD
RoHS-compliant
Pending: ENERGY STAR
LIMITED WARRANTY
➫ 3-year parts and labor
➫ Customer Replaceable Unit (CRU)
parts only (with limited onsite service
for selected parts
Mon - Fri coverage excluding holidays,
43R1990
next business day response time)
45J7918
➫ ThinkPlus
45K1675
http://lenovo.com/thinkplus/warranty
4420HB2
Onsite service upgrade options
•
(in eligible locations)
Post warranty maintenance
•
services
➫ 24 hour x 7 day
during the warranty period
via 800-426-7378
1394
Win7
Avail
preload
adptr
date
1394
Pro64 Mar 10
1394
Pro64 Mar 10
Pro64 Sep 10
optical
optical
optical
media
disk
disk
disk
disk
disk
SECURITY
®
®
Microsaver
cable;
®
technologies
®
certifi ed
®
5.0-compliant
1
3
, 8 am - 5 pm,
™
services available; see
7
14
toll-free support
1
© Lenovo
(SEV4-5) October 2010
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