C27VV - LGA775 Q45 Motherboard For Optiplex 780 Mini Tower

C27VV – LGA775 Q45 Motherboard For Optiplex 780 Mini Tower

System mainboard with Intel Q45 chipset and LGA775 CPU socket, designed specifically for the Optiplex 780 Mini Tower (MT) chassis.

Description

This system board is the dedicated motherboard for the Optiplex 780 Mini Tower. It features the Intel Q45 + ICH10 chipset, LGA775 CPU socket, four DDR3 DIMM slots, PCI Express expansion, onboard gigabit LAN, and full rear I/O including VGA and DisplayPort. It is ideal as a like-for-like replacement for failed boards or for rebuilding/refurbishing Optiplex 780 MT systems.

Technical Specifications

• Part Number: C27VV
• Alternate Board ID: 0C27VV (silk on PCB may show either)
• Form Factor / Chassis: Optiplex 780 Mini Tower (MT)
• Chipset: Intel Q45 Express with ICH10
• CPU Socket: LGA775

• Supported CPU Families:

• Intel Core 2 Duo
• Intel Core 2 Quad
• Intel Pentium Dual-Core
• Intel Celeron (LGA775 desktop variants)

• Memory Support:

• 4 x 240-pin DDR3 DIMM slots
• Up to 8 GB total (2 GB per slot typical OEM spec)
• DDR3 non-ECC, up to 1066 MHz (1333 MHz down-clocked per platform spec)
  
  

• Expansion Slots:

• 1 x PCI Express x16 (graphics)
• 1 x PCI Express x1
• 2 x legacy PCI
  
  

• Storage Interfaces:

• 3 x SATA 3 Gb/s (HDD/SSD/ODD)
• 1 x internal eSATA header (via rear port) depending on configuration
  
  

• Onboard Network:

  • Integrated gigabit Ethernet (RJ-45)
    
    

• Onboard Audio:

  • HD audio codec with line-in/mic and line-out jacks
    
    

• Rear I/O Ports (typical 780 MT configuration):

• 1 x VGA
• 1 x DisplayPort
• 6 x USB 2.0
• 1 x RJ-45 LAN
• 1 x Parallel (25-pin)
• 1 x Serial (9-pin)
• 1 x eSATA
• 3 x Audio jacks (line-out, line-in, mic)
  
  

• Front I/O (via chassis cables):

• 2 x USB 2.0
• Audio jacks (headphone/mic)
• Front-panel power switch/LEDs and HDD activity

Interchangeable / Replacement Part Numbers

(All refer to the same motherboard family for Optiplex 780 MT.)

• C27VV, 0C27VV, RF1GT (system board service kit that includes the C27VV board)

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system's specific configuration. It's essential to verify compatibility with your system or enclosure manufacturer prior to installation.

✔️ Optiplex: Optiplex 780 Mini Tower (MT)

(Not intended for Small Form Factor (SFF), Desktop (DT), or Ultra Small Form Factor (USFF) variants, which use different boards.)

☑️ Key Features

☑️ Purpose-built system board for Optiplex 780 Mini Tower chassis
☑️ Intel Q45 + ICH10 platform with LGA775 CPU support
☑️ Supports popular Core 2 Duo and Core 2 Quad processors
☑️ Four DDR3 slots for up to 8 GB memory
☑️ PCIe x16 slot for discrete graphics upgrades
☑️ Full rear I/O including VGA, DisplayPort, eSATA, USB, LAN, serial, and parallel

⚙️ Fit Notes

• This board is designed specifically for the Optiplex 780 Mini Tower. It will not mechanically match SFF, DT, or USFF cases.
• Reuse the original I/O shield and all front-panel, USB, and audio harnesses from your existing 780 MT chassis for proper fit and front I/O functionality.