Dell OptiPlex 755 specs (tower)
Dell OptiPlex 755 Specifications (Tower)
Dell OptiPlex 755 specs (tower) including CPU speed, communications, wifi, power, sound specs, memory (RAM), chipset, hard drive, weight, dimensions, video graphic specs and cpu. Find specs for all Dell desktops @ Premium Geeks.
The following Dell desktop specs, or specifications, are for informational purposes only. Please don’t blame me if they are wrong, I got these specs from the OEM themselves. If I’m wrong then they were wrong 
| Microprocessor | |
|---|---|
| Microprocessor type | The following are supported:
|
| Internal cache | L1: up to 128 KB;L2: up to 8 MB (depending on your processor) |
| Memory | |
|---|---|
| Type | 667-MHz or 800-MHz DDR2 SDRAM |
| Memory connectors | 4 |
| Memory modules supported | 512-MB, 1-GB, or 2-GB non-ECC |
| Minimum memory | dual-channel: 1 GB single-channel: 512 MBNOTE: 512 MB is the minimum shipping configuration. |
| Maximum memory | 64-bit operating system: 8 GB32-bit operating system: 4 GB |
| BIOS address | F0000h |
| Computer Information | |
|---|---|
| Chipset | Intel Q35 Express Chipset w/ICH9DO |
| Data bus width | 64 bits |
| Address bus width | 32 bits |
| DMA channels | eight |
| Interrupt levels | 24 |
| BIOS chip (NVRAM) | 32 Mb |
| NIC | integrated network interface with ASF 1.03 and 2.0 support as defined by DMTFCapable of 10/100/1000 communication
iAMT 3.0 |
| Video | |
|---|---|
| Type | Intel Graphics Media Accelerator 3100 or DVI add-in card in PCI Express x16 slot or PCI Express x16 graphics card |
| Audio | |
|---|---|
| Type | ADI 1984 High Definition Audio |
| Stereo conversion | 24-bit analog-to-digital; 24-bit digital-to-analog |
| Controllers | |
|---|---|
| Drives | four SATA controllers and one eSATA controller supporting one device each |
| Expansion Bus | |
|---|---|
| Bus type | PCI 2.3 PCI Express 1.0A SATA 1.0A and 2.0 USB 2.0 |
| Bus speed | PCI: 133 MB/s PCI Express x16: 8 GB/s bidirectional speed PCI Express x1: 5 Gbps SATA: 1.5 Gbps and 3.0 Gbps USB: 480 Mbps |
| Cards: | full-height cards supported |
| PCI: | |
| connectors | two |
| connector size | two 164 pin connectors |
| connector data width
(maximum) |
32 bits |
| PCI Express: | |
| connectors | one x1 and one x16 |
| power | 10 W (x1) and 75 W (x16) maximum |
| connector size | 36 pins (x1) and 164 pins (x16) |
| connector data width (maximum) | one PCI Express lane (x1) and 16 PCI Express lanes (x16) |
| Drives | |
|---|---|
| Internally accessible |
|
| Externally accessible | One eSATA drive (optional) |
| Connectors | |
|---|---|
| External connectors: | |
| Serial | 9-pin connector; 16550C-compatible |
| Parallel | 25-pin connector (bidirectional) |
| Video | 15-pin VGA connector |
| Network adapter | RJ45 connector |
| Optional PS/2 with secondary serial port adapter |
two 6-pin mini-DINs |
| USB | two front-panel and six back panel USB 2.0–compliant connectors |
| Audio | two connectors for line-in/ microphone and line-out; two front-panel connectors for headphones and microphone |
| System board connectors: | |
| SATA | four 7-pin connectors |
| eSATA | one 7-pin connector |
| Floppy drive | 34-pin connector |
| Serial | 12-pin connector for optional second PS/2 serial port card |
| Fan | 5-pin connector |
| PCI 2.2 | three 120-pin connectors |
| PCI Express | one 120-pin (x16) connector |
| Front panel | 40-pin connector |
| Power | |
|---|---|
| DC power supply: | NOTE: Power consumption from an AC power source can be zero when the computer is unplugged from that power source. However, the computer draws a minute amount of power from the internal coin cell battery even when the computer is not drawing power from the AC power source. |
| Wattage | 305 W |
| Physical | |
|---|---|
| Height | 41.4 cm (16.3 inches) |
| Width | 18.5 cm (7.3 inches) |
| Depth | 43.9 cm (17.3 inches) |
| Weight | 12.34 kg (27.2 lb) |