ASUS Prime GeForce RTX 5080 16GB GDDR7 OC Edition – SFF-Ready 2.5-Slot, 2685 MHz OC Boost, 10,752 CUDA Cores, Vapor Chamber, Dual BIOS

The ASUS Prime RTX 5080 OC is ASUS’s PRIME-RTX5080-O16G: a full GeForce RTX 5080 with 10,752 CUDA cores and 16GB of 30 Gbps GDDR7, packed into a 2.5-slot, 304 mm card that ASUS certifies as SFF-Ready. ASUS rates it at 2685 MHz in OC mode and 2655 MHz in Default mode, and pairs it with three Axial-tech fans, a vapor chamber and a Dual BIOS switch. It is ready stock in the UAE for builders who want RTX 5080 power without the 3.5-slot bulk of most flagship coolers.

Why the ASUS Prime RTX 5080 OC Is the Compact RTX 5080

Most RTX 5080 cards grow to three slots or more, and many pass 340 mm in length. ASUS kept the ASUS Prime RTX 5080 OC at 304 x 126 x 50 mm and a 2.5-slot thickness, the same outer size it uses for the Prime RTX 5070, and lists it as compatible with NVIDIA’s SFF-Ready guideline for small form factor builds. In practice that means mid-tower and compact cases that cannot take a 348 mm, 3.6-slot card such as the TUF Gaming version still have room for a full RTX 5080 chip.

ASUS also designed the ASUS Prime RTX 5080 OC so that its three fans line up with side-panel ventilation in compact chassis, which helps when the case has little space between the card and the glass. If you are building in a Mini-ITX or small micro-ATX case, check the case GPU clearance against 304 mm and confirm it accepts a 2.5-slot card before ordering.

ASUS Prime RTX 5080 OC vs Prime RTX 5070: What the Extra Money Buys

The two Prime cards look almost identical from the outside, so the differences are all in the silicon and memory, as listed on ASUS’s own specification pages:

• CUDA cores: 10,752 on the RTX 5080 against 6,144 on the RTX 5070, about 75% more.
• Memory: 16GB GDDR7 on a 256-bit bus at 30 Gbps against 12GB on a 192-bit bus at 28 Gbps.
• Boost clock (OC mode): 2685 MHz against 2587 MHz.
• Recommended PSU: 850 W against 750 W.
• Adapter in the box: 1-to-3 adapter cable on the RTX 5080, 1-to-2 on the RTX 5070.

Both share the 304 x 126 x 50 mm size, the 2.5-slot thickness and one 16-pin power input. The extra 4GB of VRAM and the wider bus matter most at 1440p with ray tracing and at 4K, and for creators who load large textures, long video timelines or local AI models.

Clock Speeds, Memory and Outputs

For the ASUS Prime RTX 5080 OC, ASUS publishes two boost figures: 2685 MHz in OC mode, set through ASUS GPU Tweak III, and 2655 MHz in Default mode. The 16GB of GDDR7 runs at 30 Gbps on a 256-bit interface, and the card uses the PCI Express 5.0 bus. It still works in a PCIe 4.0 slot, with the link running at that slower standard.

For displays, the card has one native HDMI 2.1b port and three native DisplayPort 2.1b ports, with HDCP 2.3 and up to four screens at once. ASUS lists a maximum digital resolution of 7680 x 4320. Power comes through a single 16-pin connector, and the included 1-to-3 adapter lets a power supply without a native 16-pin cable feed it from three PCIe 8-pin leads.

Cooling: Three Fans, Vapor Chamber and Phase-Change Pad

The cooler on the ASUS Prime RTX 5080 OC is more serious than the Prime name suggests. A vapor chamber pulls heat off the GPU, and a phase-change thermal pad melts slightly when warm to fill the tiny gaps between the chip and the cold plate. ASUS’s MaxContact process enlarges the contact surface of the heat spreader by 5%, which ASUS says lowers temperatures by up to 2°C.

Three Axial-tech fans with longer blades and a barrier ring push air through the fin stack, and they run on dual-ball bearings that ASUS says last up to twice as long as sleeve bearings. With 0dB technology, the fans stop when the GPU is below 50°C and start again above 55°C, so the card stays silent while browsing or working in office apps. A vented backplate lets air pass straight through the end of the card.

Dual BIOS, GPU Tweak III and Build Quality

A small switch on the ASUS Prime RTX 5080 OC selects between two BIOS profiles. Performance mode uses the default fan curve; Quiet mode keeps the same power target and lets the fans spin more gently, trading a few degrees for lower noise. GPU Tweak III adds control over core clock, memory clock, voltage and fan curves, with live monitoring. ASUS also lists MuseTree, the GeForce Game Ready Driver and the Studio Driver as downloads from its support site.

On the mechanical side, GPU Guard adds adhesive at all four corners of the GPU, a bracket spreads mounting pressure evenly, the I/O bracket is grade 304 stainless steel, and a protective backplate stiffens the PCB against flex. ASUS builds the board with its Auto-Extreme process, soldering all components in a single pass.

Who This Is Not For

The ASUS Prime RTX 5080 OC is not for systems with a weak power supply: ASUS recommends 850 W, based on a fully overclocked CPU and GPU system, and the card needs a 16-pin input or three free PCIe 8-pin cables for the adapter. Not for cases with under 304 mm of GPU clearance or room only for a dual-slot card. Not for buyers who want RGB lighting or two HDMI ports; the TUF Gaming RTX 5080 has both, while the Prime has one HDMI port and no ARGB listed. It is also not a sensible buy for a 1080p-only monitor at 60 Hz, where a lower-tier card gives the same experience, and it does not support NVLink.

Ordering in the UAE

The ASUS Prime RTX 5080 OC ships from UAE stock and reaches any emirate within 3 business days. Delivery is free on orders from AED 300, so this card always ships free. Pay by cash on delivery, or split the amount with Tabby or Tamara. If the card arrives defective or is not the model you ordered, you can return it within 14 days; please report any damage from shipping within 48 hours of delivery so it can be handled quickly.

Browse more Graphics Cards at Totot, or see the official ASUS page for full product details.

Technical Specifications

• Model: ASUS PRIME GeForce RTX 5080 16GB GDDR7 OC Edition (PRIME-RTX5080-O16G)
• GPU: NVIDIA GeForce RTX 5080, Blackwell architecture
• CUDA cores: 10,752
• Boost clock: 2685 MHz (OC mode), 2655 MHz (Default mode)
• Memory: 16GB GDDR7, 30 Gbps, 256-bit
• Bus: PCI Express 5.0
• Outputs: 1 x HDMI 2.1b, 3 x DisplayPort 2.1b (native)
• Max displays / resolution: 4 displays; 7680 x 4320 digital
• HDCP: 2.3
• Dimensions: 304 x 126 x 50 mm (12 x 5 x 2 in)
• Slot width: 2.5-slot, SFF-Ready
• Power connector: 1 x 16-pin
• Recommended PSU: 850 W (fully overclocked CPU and GPU system)
• Cooling: 3 x Axial-tech fans, vapor chamber, phase-change GPU pad, 0dB (stop below 50°C), vented backplate
• BIOS: Dual BIOS (Performance / Quiet)
• NVLink: Not supported
• In the box: Graphics card, quick setup manual, Velcro hook and loop strap, thank-you card, 1-to-3 adapter cable
• Software (download): ASUS GPU Tweak III, MuseTree, GeForce Game Ready Driver, Studio Driver
• Warranty: 1-year warranty from Totot

FAQ

Is the ASUS Prime RTX 5080 OC SFF-Ready?

Yes. ASUS lists it as SFF-Ready compatible, with a 2.5-slot thickness and 304 mm length.

Which power supply do I need for the ASUS Prime RTX 5080 OC?

850 W is the ASUS recommendation, based on a system with both CPU and GPU fully overclocked. The card uses one 16-pin input, and a 1-to-3 adapter is in the box.

Is the ASUS Prime RTX 5080 OC faster than the Prime RTX 5070?

Yes. It has 10,752 CUDA cores against 6,144, 16GB of 256-bit GDDR7 against 12GB on 192-bit, and a 2685 MHz OC boost against 2587 MHz.

How many monitors can I connect?

4. The card has one HDMI 2.1b and three DisplayPort 2.1b outputs, and ASUS rates it for up to four displays at once.

Do the fans stop at idle?

Yes. ASUS says the fans stop below 50°C and spin up again above 55°C.

Does it have RGB lighting?

No. ASUS does not list ARGB lighting for the Prime RTX 5080; the TUF Gaming model has Aura Sync ARGB.

How long is the ASUS Prime RTX 5080 OC?

304 mm. ASUS lists 304 x 126 x 50 mm, so check your case clearance first.

Does it come with a warranty?

Yes. The card comes with a 1-year warranty from Totot.