Lenovo D20 (4155-22G)

Model D20 (4155-22G)Part no. SNF22MD

114 specifications

ProcessorIntel® Xeon® 5000 Sequence
Memory4 GB
Storage147 GB
TypeWorkstation
Weight24.9 kg
ColourBlack

See all specifications

Overview

Processor: Intel® Xeon® 5000 Sequence
Memory: 4 GB
Storage: 147 GB
Type: Workstation
Weight: 24.9 kg
Colour: Black

Brand: Lenovo
Category: PCs/Workstations
Model: D20 (4155-22G)
Part number: SNF22MD
Also known as: Lenovo ThinkStation D20 (4155-22G) Intel® Xeon® 5000 Sequence E5520 4 GB DDR3-SDRAM Tower Workstation Black

Specifications

114 specifications in 17 groups

Processor

Specification	Value
Processor manufacturer	Intel
Processor family	Intel® Xeon® 5000 Sequence
Processor model	E5520
Processor cores	4
Processor threads	8
Processor boost frequency	2.53 GHz
Processor frequency	2.26 GHz
Processor cache	8 MB
Processor cache type	Smart Cache
Bus type	QPI
FSB Parity	No
System bus rate	5.86 GT/s
Processor lithography	45 nm
Processor operating modes	64-bit
Processor series	Intel Xeon 5500 Series
Processor codename	Nehalem EP
Processor system type	DP
Thermal Design Power (TDP)	80 W
Tcase	72 °C
Number of QPI links	2
Number of processors installed	1
Processor socket	Socket B (LGA 1366)
Number of Processing Die Transistors	731 M
Processing Die size	263 mm²
CPU multiplier (bus/core ratio)	17
Stepping	D0
Maximum internal memory supported by processor	144 GB
Memory types supported by processor	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s
ECC supported by processor	Yes

Memory

Specification	Value
Internal memory	4 GB
Maximum internal memory	96 GB
Internal memory type	DDR3-SDRAM
Memory layout (slots x size)	2 x 2 GB
Memory clock speed	1066 MHz
Memory channels	Triple-channel

Storage

Specification	Value
Optical drive type	DVD-RW
Number of HDDs installed	1
HDD capacity	147 GB
HDD interface	Serial Attached SCSI (SAS)
HDD speed	15000 RPM
Card reader integrated	Yes
RAID support	Yes
RAID levels	0, 1, 5, 10

Performance

Specification	Value
Product type	Workstation

Optical drive

Specification	Value
CD read speed	40x

Network

Specification	Value
Networking features	Gigabit Ethernet (10/100/1000)

Ports & interfaces

Specification	Value
USB 2.0 ports quantity	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0
Ethernet LAN (RJ-45) ports	2
Headphone outputs	1
Line-in	Yes
Microphone in	Yes
VGA (D-Sub) ports quantity	0
PS/2 ports quantity	0
Firewire (IEEE 1394) ports	2
eSATA ports quantity	1
Serial ports quantity	1
Parallel ports quantity	0

Expansion slots

Specification	Value
PCI Express x1 slots	2
PCI Express x4 slots	1
PCI Express x16 slots	2

Power

Specification	Value
Power requirements	100-240V, 50/60Hz
Power supply	1060 W

Design

Specification	Value
Chassis type	Tower
Product colour	Black
External drive bays	1x 3.5", 3x 5.25"
Internal drive bays	5x 3.5"

Software

Specification	Value
Compatible operating systems	Windows XP Pro SP1a/SP2a 32/64-bit; Red Hat Enterprise Linux 5.0; Windows Vista 32/64-bit; Windows Vista Enterprise 32/64-bit; Windows Vista Ultimate 32/64-bit.

Display

Specification	Value
Display included	No

Processor special features

Specification	Value
CPU configuration (max)	2
Embedded options available	No
Enhanced Intel SpeedStep Technology	Yes
Execute Disable Bit	Yes
Idle States	Yes
Intel 64	Yes
Intel Clear Video Technology	No
Intel Demand Based Switching	Yes
Intel Dual Display Capable Technology	No
Intel Enhanced Halt State	Yes
Intel FDI Technology	No
Intel Fast Memory Access	No
Intel Flex Memory Access	No
Intel Rapid Storage Technology	No
Intel Trusted Execution Technology	No
Intel VT-x with Extended Page Tables (EPT)	Yes
Intel Virtualization Technology (VT-x)	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes
Intel® AES New Instructions (Intel® AES-NI)	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No
Intel® InTru™ 3D Technology	No
Intel® Insider™	No
Intel® Smart Cache	Yes
Intel® Wireless Display (Intel® WiDi)	No
Physical Address Extension (PAE)	40 bit
Processor ARK ID	40200
Processor code	SLBFD
Processor package size	42.5 x 45 mm
Thermal Monitoring Technologies	No
Intel® Turbo Boost Technology	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes
Intel® Quick Sync Video Technology	No
Intel® My WiFi Technology (Intel® MWT)	No
Intel® Anti-Theft Technology (Intel® AT)	No
Conflict-Free processor	No

Audio

Specification	Value
Audio system	ADI 1988 A

Ergonomics

Specification	Value
Acoustic pressure emissions	24 dB

Weight & dimensions

Specification	Value
Width	210 mm
Depth	602 mm
Height	434 mm
Weight	24.9 kg

Certificates

Specification	Value
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab

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