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Dell Optiplex 745 Mini Tower Main System Motherboard (TY565 KW626 RF703 HR330)

CHIPSET: Intel Q965 Express, SUPPORTED PROCESSORS: Intel Pentium 4, Pentium D, Celeron, Core, Socket 775.
SUPPORTED MEMORY: 4 DIMM slots supporting up to 8 GB RAM, VIDEO: Integrated onboard video.
AUDIO: Integrated Audio Sound Controller, ADI 1983 High Definition Audio.
EXPANSION CAPABILITY: 1 PCI-E X16 slot, supports x16, x8, x4, and x1 modes/cards.
Motherboard Part Numbers: TY565, HR330, KW626.

Supports AMD Ryzen & 7th Generation A-series/Athlon Processors.
Dual Channel Non-ECC Unbuffered DDR4, 4 DIMMs.
Ultra-Fast Pie Gen3 x4 M.2 with Pie NV Me & SATA mode support.
High Quality Audio Capacitors and Audio Noise Guard with LED Trace Path Lighting.

Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update.Audio ports (Rear) : Realtek ALC892/ALC897 Codec.
Supports dual channel DDR4 memory up to 128 GB (4400 MHz).
Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2.
Core Boost technology combines optimized power circuit layouts and digital power regulation which allows for precise and steady current delivery to the CPU.
AUDIO BOOST rewards your ears with studio grade sound quality for immersive gaming experiences.

Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update.Audio ports (Rear): 5plus Optical S/PDIF (Realtek ALC1200 / ALC1220P Codec).
Supports dual channel DDR4 memory up to 128 GB (4866 MHz).
On-board dual LAN: 2.5G LAN plus Gigabit LAN.
Mystic Light: RGB LED lighting and extendable pin headers – 16.8 million colors / 29 effects.
Audio Boost rewards your ears with studio grade sound quality for immersive gaming experiences.
Premium Thermal Solution: Aluminum Cover with additional choke thermal pad rated for 7W/mk and PCB with 2 ounce thickened copper.
Lightning Fast Game Experience: PCIe 4.0, Lightning Gen 4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2.

Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update.Audio ports (Rear) : Realtek ALC892/ALC897 Codec.
Supports dual channel DDR4 memory up to 128 GB (4400 MHz).
Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2.
Core Boost technology combines optimized power circuit layouts and digital power regulation which allows for precise and steady current delivery to the CPU.
AUDIO BOOST rewards your ears with studio grade sound quality for immersive gaming experiences.
Premium Thermal Solution: Heatsink thermal pad rated for 7W/mk and PCB with 2oz thickened copper.
Flash BIOS Button lets users flash the BIOS even without a CPU or memory.
Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost.

LGA1151, Supports 6th Generation Intel Core Processors.
Memory: 4x DDR4 DIMM Slots and Dual Channel..
Slots: 1x PCI - Express 3.0 x16 Slots, 1x PCI - Express 3.0 x8, 1x PCI - Express 3.0 x4 and 4x PCI - Express 3.0 x1.
Audio: Realtek ALC1150 7.1 - Channel High Definition Audio CODEC..
Storage Interface: 3 x SATA Express,8 x SATA 3 and 2 x M.2..

Next-generation custom microphone reduces background noise and interference, ensuring fewer missed words and a better caller experience.
Quick Disconnect feature provides walkaway convenience and compatibility with all Plantronics USB and desk phone audio processors and direct connect cables.
Wideband audio that delivers richer, clearer conversations while SoundGuard technology protects user from noise spikes and listening fatigue.

Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update.Audio ports (Rear) : Realtek ALC892/ALC897 Codec.
Supports dual channel DDR4 memory up to 128 GB (4400 MHz).
Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2.
Core Boost technology combines optimized power circuit layouts and digital power regulation which allows for precise and steady current delivery to the CPU.
AUDIO BOOST rewards your ears with studio grade sound quality for immersive gaming experiences.
Premium Thermal Solution: Heatsink thermal pad rated for 7W/mk and PCB with 2oz thickened copper.
Flash BIOS Button lets users flash the BIOS even without a CPU or memory.
Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost.

...comes in two varieties G33M03 and G33M02. They are essentially the same but require two different heatsinks and vary in capacitor placement. Please ensure this is the correct motherboard for your replacement. You may be required to purchase a new heatsink to install correctly..
Chipset: Intel G33 Express / Supported Processors: Many Intel Core 2 Duo / Quad Processors - But not all Known to work: E2180, E4400, E6550, E6600, E2140, E2180, E6320, E6700, E4300, E6420, E4500, E6750, E2220, E8300, E4700, E2200, E8200, E8400, E8500, E4600, E6850, Celeron D420, D430, D440.
Memory: Up to 4GB Dual-Channel DDR2 SDRAM / Video: Integrated Intel Graphics Media Accelerator 3100 / Audio: Integrated 7.1 Channel Audio.
Expansion Capabilities: PCI: 2 Slots PCIe x1: 1 Slot PCIe x16 (Graphics): 1 Slots / Motherboard Compatible Part Numbers: G679R, K216C, CU409, RY007, G33M02.
Peripheral Interfaces: 1 DVI, VGA and 1 S-Video (with add-in PCI-Express video card), IEEE 1394 (optional): 1 - 6-pin serial connector, 10 USB ports (4 Front, 4 back) + 2 internal, 6 back-panel connectors for line-in, line-out, microphone, rear surround, side surround, two front-panel connectors for headphones/microphone, integrated 7.1 channel sound, Integrated 10/100 network interface,.