MSI GeForce RTX 5090 LIGHTNING Z Graphics Card, 32GB GDDR7 512-Bit Memory, 2730 MHz Boost Clock, 28 Gbps Memory Speed, 21760 CUDA Cores, PCI Express Gen 5 | RTX-5090-32G-LIGHTNING-Z
$4,750.69
MSI RTX 5090 Lightning Z is an extreme liquid-cooled GeForce RTX 5090 with 32GB GDDR7 memory, a 512-bit interface, 21,760 CUDA cores and a 2730 MHz boost clock. MSI specifies an 800W OC operating mode and an Extreme mode that can reach 1000W, using two 16-pin power connectors and a large 394 mm radiator assembly.
Before buying, confirm case and radiator clearance, PSU capacity, cabling and the exact MSI model. Use the live price on this page for current MSI RTX 5090 Lightning Z price information and request a written B2B quotation for supplied scope, warranty and delivery terms.
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MSI RTX 5090 Lightning Z price, specifications and buying overview
The MSI RTX 5090 Lightning Z is not a conventional air-cooled RTX 5090. MSI built this model around a dedicated liquid-cooling system, a large 394 mm radiator and an unusually high power envelope for buyers pursuing maximum factory-supported tuning headroom. The official specification lists 21,760 CUDA cores, 32GB of 28 Gbps GDDR7 on a 512-bit bus, a 2730 MHz boost clock and an Extreme Performance setting up to 2775 MHz through MSI Center. Its power design is equally distinctive: MSI specifies 800W in OC mode and up to 1000W in Extreme mode.
Key MSI RTX 5090 Lightning Z specifications
| GPU | GeForce RTX 5090 |
|---|---|
| CUDA cores | 21,760 |
| Memory | 32GB GDDR7 |
| Memory bus / speed | 512-bit / 28 Gbps |
| Boost clock | 2730 MHz |
| Extreme Performance | 2775 MHz via MSI Center |
| Board power | 800W OC mode / up to 1000W Extreme mode |
| Power connectors | 2 × 16-pin |
| Recommended PSU | 1500W+ on MSI’s current global specification |
| Card dimensions | 260 × 151 × 61 mm |
| Radiator dimensions | 394 × 120 × 56 mm |
| Display outputs | 3 × DisplayPort 2.1b + 1 × HDMI 2.1b |
MSI RTX 5090 Lightning Z product overview
For searches such as MSI RTX 5090 Lightning Z price, cost, specifications and “for sale,” buyers should evaluate the complete cooling and power package rather than only the RTX 5090 GPU name. The card itself is relatively short because the thermal system is moved to an external radiator, but the radiator is 394 mm long and therefore dictates case compatibility. This product is aimed at flagship enthusiast, creator and specialist workstation-style builds where the buyer deliberately wants the Lightning Z power/cooling implementation rather than a standard 5090 board.
Core features and capabilities
- Extreme power design: MSI distinguishes 800W OC operation from an Extreme mode that can reach 1000W, giving the Lightning Z an unusually high ceiling for a retail RTX 5090.
- Dedicated liquid cooling: The 394 × 120 × 56 mm radiator is central to the product design and must be planned into the chassis before purchase.
- 32GB GDDR7: The 32GB 512-bit memory subsystem supports high-end gaming, content creation and GPU-accelerated workflows that can use the RTX 5090 memory capacity.
- High factory clocks: MSI specifies 2730 MHz boost and an Extreme Performance profile of 2775 MHz through MSI Center.
- Dual 16-pin power input: Two 16-pin connectors are required; MSI specifically notes that a 1-to-3 dongle is not supported for this model.
- Lightning display panel connection: The USB-C port on the specification sheet is dedicated to the Lightning display panel and should not be treated as a normal USB-C monitor output.
Detailed technical specifications
The following table summarizes manufacturer-aligned data for the exact product configuration covered on this page.
| Manufacturer model | GeForce RTX 5090 32G LIGHTNING Z |
|---|---|
| MSI model identifier | G5090-32LZ |
| GPU | NVIDIA GeForce RTX 5090 |
| CUDA cores | 21,760 |
| PCIe | PCI Express Gen 5 x16 |
| Boost clock | 2730 MHz |
| Extreme Performance | 2775 MHz via MSI Center |
| Memory | 32GB GDDR7 |
| Memory speed | 28 Gbps |
| Memory interface | 512-bit |
| DisplayPort | 3 × DisplayPort 2.1b |
| HDMI | 1 × HDMI 2.1b |
| Dedicated USB-C | 1 × USB-C for Lightning display panel only |
| Maximum displays | 4 |
| Power consumption | 800W OC mode / 1000W Extreme mode |
| Power connectors | 2 × 16-pin; MSI notes 1-to-3 dongle is not supported |
| Recommended PSU | 1500W+ |
| Card dimensions | 260 × 151 × 61 mm |
| Radiator dimensions | 394 × 120 × 56 mm |
| Weight | TBD on MSI’s current specification page |
| DirectX / OpenGL | DirectX 12 Ultimate / OpenGL 4.6 |
Performance and use-case guidance
The MSI RTX 5090 Lightning Z is built for users who intend to exploit a flagship RTX 5090 under a much more aggressive thermal and power design than mainstream cards. It is relevant to high-refresh 4K gaming, GPU rendering, video production, AI-assisted creator tools and compute workflows that benefit from 32GB of VRAM. However, an 800–1000W GPU power mode does not guarantee proportional application performance; returns depend on workload, temperature, voltage/frequency behavior, driver version and the rest of the system. The product should therefore be purchased for its specific cooling, power and enthusiast design rather than based on an unsupported promise of a fixed performance uplift over every other RTX 5090.
Compatibility, software and connectivity
The key compatibility question is whether the system can safely support both the radiator and the electrical load. MSI lists a 394 mm radiator, two 16-pin power connectors and a 1500W+ PSU recommendation on the current global specification. Chassis mounting, radiator thickness, tubing path, motherboard clearance and airflow should be planned before purchase. MSI Center is used for the listed Extreme Performance profile. NVIDIA Game Ready/Studio software compatibility follows the RTX 5090 platform, while exact supported features depend on current drivers and applications.
Applications
- Flagship 4K/high-refresh gaming systems
- GPU rendering and 3D creation
- High-resolution video production and effects
- AI-assisted creative workflows
- Local GPU compute workloads that fit in 32GB VRAM
- Enthusiast overclocking/tuning systems designed for extreme power draw
Comparison with closely related graphics cards
Compared with the Gigabyte RTX 5090 Gaming OC 32G, the MSI RTX 5090 Lightning Z uses an external liquid-cooling radiator and a far higher published power ceiling. Gigabyte specifies a 2550 MHz core clock, 342 mm air-cooled card and 1000W recommended PSU; MSI lists 2730 MHz boost, a 394 mm radiator and 800W/1000W card power modes with 1500W+ PSU guidance. Both use RTX 5090 silicon and 32GB GDDR7, but their integration requirements and intended buyer profiles are substantially different.
What is included
MSI’s public specification identifies the card and integrated liquid-cooling system but does not provide a complete universal retail-box accessory list on the checked specification page. Because power cabling is unusually important on this product, the written quotation should explicitly state all included power leads/adapters, radiator/fan hardware, display-panel components, documentation and any mounting accessories. Do not assume a generic RTX 5090 adapter is appropriate; MSI states that a 1-to-3 dongle is not supported.
Important limitations and buyer considerations
The MSI RTX 5090 Lightning Z has unusually demanding installation requirements. The 394 mm radiator can exclude many cases, dual 16-pin cabling increases power-delivery complexity, and MSI’s 1500W+ PSU recommendation is far above mainstream graphics-card builds. Its USB-C connection is dedicated to the Lightning display panel, not a general video output. MSI currently lists the product weight as TBD, so exact shipping/net weight should be confirmed when required. Buyers should also distinguish 800W OC mode from the 1000W Extreme mode instead of interpreting “1500W” as the card’s power consumption—the 1500W+ figure is the recommended system PSU.
Warranty reference
MSI routes graphics-card warranty and RMA service through its regional support system and warranty-status tools. Warranty duration and service eligibility can depend on country, serial number and sales channel. Confirm the exact written warranty attached to the supplied Lightning Z before payment rather than assuming another MSI region’s policy applies.
Who should buy this graphics card?
Buy the MSI RTX 5090 Lightning Z if you specifically want MSI’s flagship Lightning implementation, have a chassis built around its radiator and can provision the recommended power system. A standard premium RTX 5090 is usually a more practical choice when space, acoustics, PSU size or cost matter more than extreme cooling and tuning headroom.
Authoritative manufacturer resources
Use these manufacturer pages to verify model-specific specifications, support and warranty information before deployment.
MSI RTX 5090 Lightning Z technical quick answers
What is the MSI RTX 5090 Lightning Z power consumption?
MSI lists 800W in OC mode and up to 1000W in Extreme mode.
What PSU does MSI RTX 5090 Lightning Z need?
MSI’s current global specification recommends 1500W+ for the complete system.
How large is the MSI RTX 5090 Lightning Z radiator?
394 × 120 × 56 mm.
How much VRAM does MSI RTX 5090 Lightning Z have?
32GB GDDR7 on a 512-bit interface.
Detailed FAQs
Is MSI RTX 5090 Lightning Z air cooled?
No. It uses a dedicated liquid-cooling system with a large radiator, so case/radiator compatibility is essential.
Does it really use 1500W?
No. MSI lists 800W card power in OC mode and up to 1000W in Extreme mode. The 1500W+ figure is the recommended system PSU rating.
Can I use the USB-C port for a monitor?
MSI identifies the USB-C connection as dedicated to the Lightning display panel. Use the listed DisplayPort 2.1b or HDMI 2.1b outputs for normal display connections.
What should I check before buying MSI RTX 5090 Lightning Z?
Confirm exact model, radiator mounting clearance, two 16-pin power connections, PSU capacity, included power/mounting hardware, warranty and delivery configuration.
How does it compare with a normal RTX 5090?
It uses the same RTX 5090 class GPU/memory platform but adds MSI’s extreme liquid cooling, higher factory clocks and a much higher published power ceiling. The practical benefit depends on workload and system design.
Is the product weight confirmed?
MSI’s current official specification lists weight as TBD. Request exact net or shipping weight if needed.
Relevant internal links
- Browse all Graphic Cards
- Compare Gigabyte RTX 5090 Gaming OC 32G
- Compare ASUS ROG Astral RTX 5090 OC
Buy MSI RTX 5090 Lightning Z / request a B2B quotation
For current MSI RTX 5090 Lightning Z price, quantity purchasing, destination-specific freight or a formal commercial offer, use the live price shown on this page and request a quotation. Include quantity, delivery country, company details and any required configuration or purchasing deadline. The written quotation should confirm exact model, condition, supplied accessories, warranty, price, currency, availability and delivery terms before order approval.
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