Intel OEM: Lenovo MPN: SX425FR

Intel Core ThinkStation E31 Intel® Core™ i5 i5-3450 4 GB DDR3-SDRAM 1 TB HDD Windows 7 Professional Tower Workstation Black

Desktops
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Depth
431 mm
Max case temperature (Tcase)
67.4 °C
Wi-Fi
N
Width
175 mm
Height
425 mm
Weight
12500 g
Line-in
Y
Non-ECC
Y
Bus type
DMI
View 139 specifications
1 / 5
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Overview

The Lenovo ThinkStation E31 Intel® Core™ i5 i5-3450 4 GB DDR3-SDRAM 1 TB HDD Windows 7 Professional Tower Workstation Black features Intel Core i5 processor, 4 cores, up to 3.5 GHz boost and 4 GB of memory. Full verified specifications are listed below.

Compatibility

Socket LGA 1155 (Socket H2) Memory type DDR3 Interface PCIe 3.0 TDP 77 W PSU wattage 280 W
  • Pairs with CPUs using the LGA 1155 (Socket H2) socket.
  • Requires DDR3 memory — not interchangeable with other generations.
  • Draws up to 77 W — size your cooling and PSU headroom accordingly.

Compatibility data is automatically generated. Always verify critical specs before purchase.

Technical Specifications

139
139 Specifications Available Fully verified via Icecat and manufacturer specifications

Physical

6
Depth
431 mm
Width
175 mm
Height
425 mm
Weight
12500 g
Product type
Workstation
Colour
Black

General

108
Max case temperature (Tcase)
67.4 °C
Wi-Fi
No
Line-in
Yes
Non-ECC
Yes
Bus type
DMI
DVI port
No
64-bit support
Yes
Line-out
Yes
Spindle speed
7200 rpm
PCI slots
2
Audio chip
Realtek ALC662
Idle power states
Yes
RAID levels
0,1
Chassis type
Tower
Ethernet LAN
Yes
Intel TSX-NI
No
Memory slots
4x DIMM
Power supply
280
RAID support
Yes
Certifications
GREENGUARD
Drive interface
SATA III
Microphone input
Yes
Storage media
HDD
Security lock slot
Yes
Memory channels
Dual-channel
Bus speed
5 GT/s
Display included
No
Intel ARK ID
65511
Processor series
Intel Core i5-3400 Desktop series
Headphone outputs
1
Cabling technology
10/100/1000Base-T(X)
Intel® Insider™
Yes
Intel® Secure Key
Yes
Optical drive type
DVD±RW
Codename
Ivy Bridge
Execute Disable (NX)
Yes
Chipset
Intel C216
Cable lock slot type
Kensington
Intel FDI Technology
Yes
Intel TSX-NI version
0.00
Generation
Intel Core i5-3xxx
Audio channels
5.1
Serial ports
1
Card reader
Yes
Dedicated graphics
No
Integrated graphics
Yes
Processor package size
37.5 x 37.5
CPU configuration (max)
1
Compliance certificates
RoHS
Conflict-free minerals
Yes
Ethernet LAN data rates
10,100,1000
Optical drives quantity
1
Intel Fast Memory Access
Yes
Intel Flex Memory Access
Yes
Number of HDDs installed
1
Intel Enhanced Halt State
Yes
On-board graphics card ID
0x152
PCI Express slots version
3.0
ECC memory support
No
Long-term availability
No
Graphics & IMC lithography
22
Operating system
Windows 7 Professional
PCI Express configurations
1x8,1x16,2x4,2x8
Power supply input voltage
100 - 240
Instruction sets
AVX,SSE4.1,SSE4.2
VGA ports
1
Eco certifications
EPEAT Gold,ENERGY STAR
Dedicated GPU model
Not available
Memory layout (slots x size)
1 x 4
Integrated GPU model
Intel HD Graphics 2500
Power supply input frequency
50 - 60
Thunderbolt 3 ports quantity
0
On-board graphics card family
Intel HD Graphics
OS architecture
64-bit
Intel® InTru™ 3D Technology
Yes
Intel® Turbo Boost Technology
2.0
Number of processors installed
1
PCI Express x1 (Gen 2.x) slots
1
Thermal solution specification
PCG 2011D
CPU multiplier (bus/core ratio)
31
PCI Express x16 (Gen 2.x) slots
1
Thermal monitoring
Yes
Trusted Execution (TXT)
No
Number of storage drives installed
1
SpeedStep power scaling
Yes
Intel Secure Key Technology version
1.00
Intel® Quick Sync Video Technology
Yes
Memory types supported by processor
DDR3-SDRAM
On-board graphics card base frequency
650
Virtualization (VT-x)
Yes
Intel® Wireless Display (Intel® WiDi)
Yes
Intel VT-x with Extended Page Tables (EPT)
Yes
Intel® Anti-Theft Technology (Intel® AT)
Yes
Memory clock speeds supported by processor
1333,1600
Intel Identity Protection Technology version
1.00
Intel® AES New Instructions (Intel® AES-NI)
Yes
Memory bandwidth supported by processor (max)
25.6
Maximum internal memory supported by processor
32
On-board graphics card dynamic frequency (max)
1100
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
0
Number of displays supported (on-board graphics)
3
Intel® Clear Video HD Technology (Intel® CVT HD)
Yes
Intel® Identity Protection Technology (Intel® IPT)
Yes
Directed I/O virtualization (VT-d)
No
Intel® Hyper Threading Technology (Intel® HT Technology)
No

Processor

14
Stepping
E1
Cache
6 MB
Cores
4
Model
i5-3450
Processor line
Intel Core i5
Socket
LGA 1155 (Socket H2)
Threads
4
Clock speed
3.1 GHz
Cache level
Smart Cache
Process node
22 nm
CPU brand
Intel
Boost clock
3.5 GHz
CPU operating modes
64-bit
TDP
77 W

Storage

2
Capacity
1 TB
Storage
1 TB

Memory

3
Capacity
4 GB
Memory type
DDR3-SDRAM
Max memory
32 GB

Graphics

1
Memory clock
1600 MHz

Ports & Connectivity

5
HDMI ports
0
PS/2 ports
0
DisplayPorts quantity
1
USB 2.0 ports
4
Ethernet ports
1
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Product lifecycle

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