| Product Description |
Lenovo ThinkCentre A55 8705 - Core 2 Duo E6400 2.13 GHz |
| Type |
Personal computer |
| Windows Vista Certification |
Windows Vista Capable |
| Form Factor |
Tower |
| Dimensions (WxDxH) |
6.9 in x 17.3 in x 15.8 in |
| Weight |
22 lbs |
| Localization |
English |
| Processor |
1 x Intel Core 2 Duo E6400 / 2.13 GHz ( Dual-Core ) |
| Processor Main Features |
Intel Extended Memory 64 Technology, Intel Execute Disable Bit,
Enhanced Intel SpeedStep Technology, Intel Virtualization Technology |
| Cache Memory |
2 MB L2 cache |
| Cache Per Processor |
2 MB |
| RAM |
1 GB (installed) / 4 GB (max) - DDR II SDRAM - non-ECC - 533 MHz -
PC2-4200 |
| Storage Controller |
Serial ATA ( Serial ATA-300 ) ; IDE ( ATA-100 ) |
| Hard Drive |
1 x 160 GB - standard - Serial ATA-300 |
| Optical Storage |
DVD±RW (±R DL) / DVD-RAM |
| Monitor |
None. |
| Graphics Controller |
Intel GMA 3000 |
| Audio Output |
Sound card |
| Networking |
Network adapter - PCI Express x1 - Ethernet, Fast Ethernet, Gigabit
Ethernet |
| Power |
AC 120/230 V ( 50/60 Hz ) |
| OS Provided |
Microsoft Windows XP Professional |
| Manufacturer Selling Program |
TopSeller |
| Manufacturer Warranty |
1 year warranty ( on-site ) |
| General |
| Type |
Personal computer |
| Windows Vista Certification |
Windows Vista Capable |
| Product Form Factor |
Tower |
| Built-in Devices |
Speaker |
| Width |
6.9 in |
| Depth |
17.3 in |
| Height |
15.8 in |
| Weight |
22 lbs |
| Color |
Business black |
| Localization |
English |
| Processor |
| Type |
Intel Core 2 Duo E6400 / 2.13 GHz |
| Multi-Core Technology |
Dual-Core |
| 64-bit Computing |
Yes |
| Installed Qty |
1 |
| Max Supported Qty |
1 |
| Processor Main Features |
Intel Extended Memory 64 Technology, Intel Execute
Disable Bit, Enhanced Intel SpeedStep Technology, Intel Virtualization
Technology |
| Cache Memory |
| Type |
L2 cache |
| Installed Size |
2 MB |
| Cache Per Processor |
2 MB |
| Mainboard |
| Chipset Type |
Intel 946GZ Express |
| Data Bus Speed |
1000 MHz |
| RAM |
| Installed Size |
1 GB / 4 GB (max) |
| Technology |
DDR II SDRAM - non-ECC |
| Memory Speed |
533 MHz |
| Memory Specification Compliance |
PC2-4200 |
| Form Factor |
DIMM 240-pin |
| Features |
Unbuffered, two DDR channels |
| Configuration Features |
1 x 1 GB |
| Storage Controller |
| Type |
1 x Serial ATA - integrated |
| Controller Interface Type |
Serial ATA-300 |
| Channel Qty |
2 |
| Storage Controller (2nd) |
| Type |
1 x IDE - integrated |
| Controller Interface Type |
ATA-100 |
| Channel Qty |
1 |
| Storage |
| Hard Drive |
1 x 160 GB - standard - Serial ATA-300 - 7200 rpm -
vibration dampening |
| Optical Storage |
| Type |
DVD±RW (±R DL) / DVD-RAM - IDE |
| Read Speed |
48x (CD) / 16x (DVD) |
| Write Speed |
40x (CD) / 16x (DVD±R) / 8x (DVD±R DL) |
| Rewrite Speed |
32x (CD) / 6x (DVD-RW) / 8x (DVD+RW) / 12x (DVD-RAM) |
| Monitor |
| Monitor Type |
None. |
| Graphics Controller |
| Type |
Integrated |
| Graphics Processor / Vendor |
Intel GMA 3000 |
| Video Memory |
Dynamic Video Memory Technology 4.0 |
| Max Allocated RAM Size |
256 MB |
| Audio Output |
| Type |
Sound card - integrated |
| Compliant Standards |
SoundMAX, High Definition Audio |
| Input Device |
| Type |
Mouse, keyboard |
| Keyboard |
| Keyboard Name |
Preferred Pro Full-size |
| Interface |
PS/2 |
| Mouse |
| Technology |
Optical |
| Interface |
USB |
| Features |
Scroll |
| Networking |
| Networking |
Network adapter - PCI Express x1 - integrated |
| Ethernet Controller(s) |
Broadcom BCM5786 |
| Data Link Protocol |
Ethernet, Fast Ethernet, Gigabit Ethernet |
| Remote Management Protocol |
DMI 2.0 |
| Features |
Wake on LAN (WoL), ACPI support |
| Compliant Standards |
IEEE 802.3 |
| Expansion / Connectivity |
| Expansion Bays Total (Free) |
2 ( 1 ) x front accessible - 5.25" x 1/2H
1 ( 1 ) x front accessible - 3.5" x 1/3H
1 ( 0 ) x internal - 3.5" x 1/3H |
| Expansion Slots Total (Free) |
1 ( 0 ) x processor - LGA775 Socket Ý 2 ( 1 ) x memory
- DIMM 240-pin Ý 2 ( 2 ) x PCI - half-length, full-height Ý 1 ( 1 ) x
PCI Express x1 - half-length, full-height Ý 1 ( 1 ) x PCI Express x16 -
half-length, full-height |
| Interfaces |
6 x Hi-Speed USB - 4 pin USB Type A ( 2 in front ) Ý 1
x serial - RS-232 - 9 pin D-Sub (DB-9) Ý 1 x parallel - IEEE 1284
(EPP/ECP) - 25 pin D-Sub (DB-25) Ý 1 x keyboard - generic - 6 pin
mini-DIN (PS/2 style) Ý 1 x mouse - generic - 6 pin mini-DIN (PS/2
style) Ý 1 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45 Ý
1 x display / video - VGA - 15 pin HD D-Sub (HD-15) Ý 1 x audio -
line-in - mini-phone stereo 3.5 mm Ý 1 x audio - line-out - mini-phone
stereo 3.5 mm Ý 1 x microphone - input - mini-phone mono 3.5 mm ( 1 in
front ) Ý 1 x headphones - output - mini-phone stereo 3.5 mm ( 1 in
front ) |
| Miscellaneous |
| Features |
Security lock slot (cable lock sold separately),
administrator password, hard drive password, power-on password, boot
without keyboard or mouse, diskette I/O control, parallel port I/O
control, serial port I/O control, USB port control, boot sequence
control |
| Compliant Standards |
CE, UL, TUV GS, C-Tick, ISO 9241-3, VCCI Class B ITE,
GOST, BSMI CNS 13438 Class B, cUL, EPA Energy Star, NOM, SABS, SASO, CB,
FCC Part 15 B, CCC, IRAM, ACPI 2.3, EPEAT Silver |
| Manufacturer Selling Program |
TopSeller |
| Power |
| Device Type |
Power supply |
| Voltage Required |
AC 120/230 V ( 50/60 Hz ) |
| Power Provided |
230 Watt |
| Operating System / Software |
| OS Provided |
Microsoft Windows XP Professional |
| OS Certified |
Microsoft Windows 2000 Professional, IBM PC DOS,
Microsoft Windows XP Home Edition, Microsoft Windows XP Professional |
| Software |
PC Doctor, InterVideo WinDVD, Symantec Client Security,
Sonic RecordNow, InterVideo WinDVD Creator, ThinkVantage Rescue and
Recovery, Sonic Solutions Drive Letter Access (DLA), ThinkVantage Client
Security, Lotus Notes Stand-alone Client license, Lotus SmartSuite
Millennium license, ThinkVantage Productivity Center, ThinkVantage
System Update, Diskeeper Lite, Google Desktop, Google Picasa, Multimedia
Center for Think Offerings |
| Manufacturer Warranty |
| Service & Support |
1 year warranty |
| Service & Support Details |
Limited warranty - parts and labor - 1 year - on-site |
| Environmental Parameters |
| Min Operating Temperature |
50 °F |
| Max Operating Temperature |
95 °F |
| Humidity Range Operating |
10 - 80% |
| Sound Emission |
29 dBA |
