Flagship-tier GPUs have gotten physically massive in recent years, and PNY’s GeForce RTX 5080 Slim OC pushes directly against that trend. It’s the only add-in board partner card in the RTX 50-series lineup to stick to a genuine 2-slot, dual-fan design, matching Nvidia’s own Founders Edition footprint while packing a factory overclock on top.
Full Specifications
| Spec | Details |
|---|---|
| Architecture | Blackwell |
| CUDA cores | 10,752 |
| RT cores | 84 |
| Tensor cores | 336 |
| TMUs / ROPs | 336 / 112 |
| Memory | 16GB GDDR7, 256-bit bus, 30 Gbps, 960 GB/s bandwidth |
| Boost clock | 2,730 MHz (factory overclocked, up from 2,617 MHz reference) |
| Dimensions | 300 x 155mm, 40mm width, 2-slot |
| Weight | 1,100g |
| Price | $1,000-$2,000 |
The Only Partner Card at This Size
This is the headline distinction reviewers kept coming back to: among every add-in board partner offering an RTX 50-series card, PNY is the only one shipping a genuine dual-slot, dual-fan RTX 5080. The only other card matching that footprint is Nvidia’s own Founders Edition, making this a genuinely rare option in the current market.
A Bigger Overclock Than the Case Size Suggests
Despite the compact 2-slot footprint, PNY didn’t compromise on clock speed to fit the smaller cooler:
- 2,730 MHz boost clock, a 113 MHz increase over Nvidia’s 2,617 MHz reference specification
- That’s among the higher boost clocks in the entire RTX 5080 lineup, not just among compact cards
- Reviewers specifically noted this achieves that overclock without the performance trade-offs typically expected from a smaller cooler
RTX 4090-Like Performance at 1.6 Inches Thick
Independent reviews described this card as delivering performance comparable to the previous-generation RTX 4090 flagship, while measuring just 40mm, about 1.6 inches, in thickness. That combination of flagship-adjacent performance and genuinely compact physical dimensions is what earned this card standout coverage across multiple outlets.
Why Case Compatibility Matters Here
Most RTX 5080 partner cards run 3 to 4 slots wide, ruling out a large number of small form factor and mid-tower case configurations with limited GPU clearance. This card’s 2-slot design changes that math entirely:
- Fits cases that couldn’t accommodate the bulkier triple-fan RTX 5080 alternatives
- Works well in SFF builds without sacrificing meaningful performance
- Simplifies cable management and airflow planning in tighter chassis designs
960 GB/s Bandwidth Matches the Full RTX 5080 Spec
Despite its compact size, this card carries the complete RTX 5080 memory configuration, 16GB of GDDR7 on a 256-bit bus at 30 Gbps, delivering the full 960 GB/s bandwidth this GPU tier is capable of. Nothing was trimmed on the memory side to achieve the smaller physical footprint.
Pros and Cons
What stands out
- The only add-in board partner RTX 5080 at a genuine 2-slot, dual-fan footprint
- Strong 2,730 MHz factory overclock despite the compact size
- Full 16GB GDDR7 memory configuration with no bandwidth compromise
What gives pause
- At $1,000-$2,000, it carries a premium over some larger, differently-cooled RTX 5080 alternatives
- Compact cooling means less thermal headroom margin than the largest triple-fan designs, even if performance holds up well
- Limited to whatever stock availability PNY maintains, given how uniquely positioned this card is
FAQ
1. Is the PNY RTX 5080 Slim OC really the only dual-slot partner card?
Yes, according to independent reviews, it’s the only add-in board partner offering a genuine dual-slot, dual-fan RTX 5080, with only Nvidia’s own Founders Edition matching that footprint.
2. Does the compact size hurt performance?
Reviewers found no meaningful performance trade-off, with this card achieving one of the higher factory overclocks in the RTX 5080 lineup despite its size.
3. Will this card fit in a small form factor case?
Yes, its 2-slot, 40mm-thick design makes it one of the more SFF-friendly RTX 5080 options available.
4. How does its memory bandwidth compare to larger RTX 5080 cards?
It carries the full 960 GB/s bandwidth spec for this tier, with no compromise on memory configuration despite the compact size.
The PNY GeForce RTX 5080 Slim OC solves a real problem in the current GPU market: flagship-adjacent performance without a physically massive card. For buyers who need that combination specifically, it’s a genuinely unique option with few direct alternatives.
This review is based on manufacturer-published specifications and independent test data as of publish date.
