The ThinkCentre® M55p series offers a blend of essential features and technology, including the Microsoft™ Windows™ XP Professional operating system, numerous security features, and data protection tools . Its small and ultra small form factor models offer additional configurations which extend the M55 family with essential business features at an exceptional value.
| Processor | Intel® Core™ 2 Duo Processor E6300 with dual-core, Intel 64 Technology, Virtualization Technology, Execute Disable Bit, EIST, 1066MHz system bus, and 2MB shared L2 cache |
| Chipset | Intel Q965 Express Chipset |
| Memory | 2GB PC2-5300 667MHz DDR2 - Non-parity, dual-channel capable - 4GB MAX, two 240-pin DIMM sockets; |
| HDD | 160GB / SATA300 7200 rpm |
| SATA Controller | Serial ATA / 300 MB/sec SATA300 / integrated in ICH8 Two SATA connectors |
| Optical Drive | 16x DVD-ROM |
| IDE Controller | None |
| FDD | None |
| Graphics | Intel Graphics Media Accelerator 3000 (GMA 3000) - Integrated graphics in Q965 - Uses main memory (up to 256MB) - One 15-pin analog D-sub connector - Supports dual independent display with optional ADD2 adapter |
| Audio | High Definition (HD) Audio - AD1983HD codec - SoundMAX® software |
| Ethernet | Gigabit ethernet on planar Intel 82566DM (PHY layer; MAC in ICH8DO) |
| Modem | None |
| Interface Ports | Front: - 2 x USB 2.0 - 1 x microphone (stereo) - 1 x headphone (stereo) Back - 6 x USB 2.0 - 1 x 9-pin serial - 1 x parallel (25-pin) - 1 x ethernet (RJ-45) - 1 x monitor (DB-15) |
| Drive Bays | External: - 1 x 3.5" Drive Bay - 1 x 5.25" Drive Bay Internal: - 1 x 3.5" Drive Bay |
| Expansion Slots | Slot 1: half-length (175mm), full-height, 32-bit PCI 2.3 (5v) Slot 2: half-length (175mm), full-height, PCI Express x1 (x16 slot; supports opt DVI-I PCIe ADD2 adptr only) |
| Operating System | Microsoft Windows XP Professional (Preloaded, CD Not Included) |
| Power Supply | 225 Watts with variable speed fan |
| Cooling | Three variable speed fans (two in front; power supply fan in back) |
| Dimension | 12.2" W X 14.1" D X 3.3" H (3.4" H with feet) 310mm W X 358mm D X 85mm H (87.5mm H with feet) |
| Weight | 18.7 to 20.0 lb (8.5 to 9.1 kg) |