Brand: Dell · SKU: M858N · MPN: M858N · Category: Components
Genuine Dell original Desktop Motherboard (systemboard / mainboard) for the Dell OptiPlex 760 Desktop systems in Mini Tower (MT) Form Factor. Features the Intel Q43 Express Chipset with an LGA 775 Socket. Supports up to 8GB of DDR2 667/800MHz memory across 4 DIMM slots. Integrated graphics are Intel GMA 4500. Expansion includes 1x PCIe x16, 1x PCIe x1, and 2x PCI slots. Rear I/O includes 6x USB 2.0, 1x RJ-45 LAN, 1x VGA, 1x Display Port, 1x Serial, 1x Parallel, and 1x Audio I/O. Also includes 1x eSATA port internally/externally (depending on configuration). Note: I/O plate and heat sink are NOT included in some listings. Part Numbers: M858N, 0M858N, G214D.
| Chipset | Intel Q43 Express / ICH10 |
|---|---|
| Max Memory | 8GB DDR2 667/800 |
| Rear Ports | 6x USB 2.0, 1x RJ-45 LAN, 1x VGA, 1x Display Port, 1x Serial, 1x Parallel, 1x Audio I/O |
| Memory Slots | 4x 240-pin DDR2 DIMM |
| Internal Ports | 1x IDE, 4x SATA, 1x eSATA |
| CPU Socket Type | LGA 775 |
| Expansion Slots | 1x PCI-E x16, 1x PCI-E x1, 2x PCI |
| Integrated Video | Intel GMA 4500 |
| Compatible Dell Systems | OptiPlex 760 (Mini Tower Form Factor) |
| Warranty | 1 Year Limited Warranty (Varies by Seller) |
| Weight | 2.5 lb(s) to 4.2 lbs |
| Dimensions | BTX (for Mini Tower) |
The Dell M858N is a system motherboard designed specifically for the Dell OptiPlex 760 Mini Tower desktop computer. It uses the LGA 775 socket and Intel Q43 chipset, supporting older generation Intel Core 2 Duo CPUs. It is suitable for upgrading or replacing motherboards in compatible Dell Optiplex 760 MT systems, offering basic functionality for office or light use.
Yes, this Dell OptiPlex 760 Mini-Tower System Motherboard (M858N) is 100% genuine Dell hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Dell OptiPlex 760 Mini-Tower System Motherboard includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the M858N.